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You searched for: Publication year rev 7981-2019 Remove constraint Publication year rev: 7981-2019 Subject Cyanobacteria Remove constraint Subject: Cyanobacteria Subject term Cyanobacteria Remove constraint Subject term: Cyanobacteria Text availability Citation in PubAg Remove constraint Text availability: Citation in PubAg
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1. A Bayesian risk assessment framework for microcystin violations of drinking water and recreational standards in the Bay of Quinte, Lake Ontario, Canada

Author:
Noreen E. Kelly; Aisha Javed; Yuko Shimoda; Arthur Zastepa; Susan Watson; Shan Mugalingam; George B. Arhonditsis
Source:
Water research 2019 v.162 pp. 288-301
ISSN:
0043-1354
Subject:
Bayesian theory; Cyanobacteria; aesthetics; algal blooms; ammonium; chlorophyll; compliance; drinking water; environmental factors; eutrophication; freshwater ecosystems; guidelines; hepatotoxicity; human health; microcystins; odors; regression analysis; retrospective studies; risk assessment process; space and time; statistical models; taste; total phosphorus; uncertainty; water quality criteria; water temperature; wildlife; wind speed; Canada; Lake Ontario
Abstract:
... Freshwater ecosystems can experience harmful algal blooms, which negatively impact recreational uses, aesthetics, taste, and odor in drinking water. Cyanobacterial toxins can have dire repercussions on aquatic wildlife and human health, and the most ubiquitous worldwide are the hepatotoxic compounds known as microcystins. The factors that influence the occurrence and magnitude of cyanobacteria blo ...
DOI:
10.1016/j.watres.2019.06.005

2. A Fast Detection Strategy for Cyanobacterial blooms and associated cyanotoxins (FDSCC) reveals the occurrence of lyngbyatoxin A in campania (South Italy)

Author:
Germana Esposito; Roberta Teta; Raffaele Marrone; Carlo De Sterlich; Marco Casazza; Aniello Anastasio; Massimiliano Lega; Valeria Costantino
Source:
Chemosphere 2019 v.225 pp. 342-351
ISSN:
0045-6535
Subject:
Bivalvia; Cyanobacteria; bioinformatics; cyanobacterial toxins; lipophilicity; Italy
Abstract:
... Fast Detection Strategy for Cyanobacterial blooms and associated Cyanotoxins (FDSCC) is a multidisciplinary strategy that allows early detection, in 24 man-hours, of cyanobacteria and related cyanotoxins in water and bivalve samples. This approach combines the advantages of remote/proximal sensing with those of analytical/bioinformatics analyses, namely, LC-HRMS-based molecular networking. The det ...
DOI:
10.1016/j.chemosphere.2019.02.201

3. A comparative study of the hopanoid hydrocarbons in sediments of two lakes (Fuxian and Changdang) with contrasting environments

Author:
Yongdong Zhang; Yaling Su; Zhengwen Liu; Jinlei Yu; Miao Jin
Source:
Limnologica 2019 v.76 pp. 1-10
ISSN:
0075-9511
Subject:
Cyanobacteria; anthropogenic activities; bacteria; economic development; eutrophication; fishing boats; hopanoids; lakes; nutrient content; petroleum; provenance; sediments; China
Abstract:
... Biologically configured ββ-hopanes, geologically configured αβ-hopanes and the biogenic hopenes were determined in dated sediment cores from Lake Fuxian in SW China and Lake Changdang in Eastern China in order to investigate anthropogenic influences on the abundance, composition and provenance of hopanoid hydrocarbons in lake sediments. Based on the results, hopenes were prevalent, with maximum va ...
DOI:
10.1016/j.limno.2019.03.002

4. A convolutional neural network regression for quantifying cyanobacteria using hyperspectral imagery

Author:
JongCheol Pyo; Hongtao Duan; Sangsoo Baek; Moon Sung Kim; Taegyun Jeon; Yong Sung Kwon; Hyuk Lee; Kyung Hwa Cho
Source:
Remote sensing of environment 2019 pp. 111350
ISSN:
0034-4257
Subject:
Cyanobacteria; algae; algorithms; chlorophyll; freshwater; hyperspectral imagery; inland waters; models; optical properties; phycocyanin; phytoplankton; pigments; remote sensing
Abstract:
... Remote sensing is useful for detecting and quantifying cyanobacteria blooms for managing water systems. In particular, airborne hyperspectral remote sensing has an advantage in precise cyanobacteria detection with high spatial and spectral resolution. Many bio-optical algorithms have been developed and utilized to estimate algal concentration. However, achieving the optimal conventional optical mo ...
Handle:
10113/6552451
DOI:
10.1016/j.rse.2019.111350

5. A novel electro-coagulation-Fenton for energy efficient cyanobacteria and cyanotoxins removal without chemical addition

Author:
Jingkun An; Nan Li; Shu Wang; Chengmei Liao; Lean Zhou; Tian Li; Xin Wang; Yujie Feng
Source:
Journal of hazardous materials 2019 v.365 pp. 650-658
ISSN:
0304-3894
Subject:
Cyanobacteria; algae; coagulants; drinking water; electrocoagulation; electrodes; energy efficiency; hydrogen peroxide; ions; iron; microcystins; pH; persistent organic pollutants; total organic carbon; total suspended solids
Abstract:
... Harmful cyanobacterial bloom is a serious threat to global aquatic ecology and drinking water safety. Electro-Fenton (EF) has emerged as an efficient process for cyanobacteria and cyanotoxins removal, but high consumption of energy and chemicals remain a major bottleneck. This study presents a novel convertible three-electrodes Electro-Coagulation-Fenton process for cyanobacteria and cyanotoxins r ...
DOI:
10.1016/j.jhazmat.2018.11.058

6. A perspective on biotechnological applications of thermophilic microalgae and cyanobacteria

Author:
Alok Patel; Leonidas Matsakas; Ulrika Rova; Paul Christakopoulos
Source:
Bioresource technology 2019 v.278 pp. 424-434
ISSN:
0960-8524
Subject:
Cyanobacteria; biomass; ecosystems; functional foods; microalgae; photosynthesis; sustainable technology; temperature; thermophilic microorganisms; thermostable enzymes; value-added products
Abstract:
... The importance of expanding our knowledge on microorganisms derived from extreme environments stems from the development of novel and sustainable technologies for our health, food, and environment. Microalgae and cyanobacteria represent a group of diverse microorganisms that inhabit a wide range of environments, are capable of oxygenic photosynthesis, and form a thick microbial mat even at extreme ...
DOI:
10.1016/j.biortech.2019.01.063

7. A phytoplankton risk matrix: combining health, treatment, and aesthetic considerations in drinking water supplies

Author:
Adam K. Rose; James E. Kinder; Larelle Fabbro; Susan Kinnear
Source:
Environment systems & decisions 2019 v.39 no.2 pp. 163-182
ISSN:
2194-5403
Subject:
Cyanobacteria; World Health Organization; aesthetics; climate; drinking water; freshwater; geology; infrastructure; models; odors; phytoplankton; risk; risk profile; supply chain; taste; water supply; watersheds; Queensland
Abstract:
... Worldwide, the risk profile of drinking water supplies is uniquely shaped by differing geology, climate, and human-based developmental practices. The World Health Organisation’s Water Safety Plans (WSPs) are designed to improve the quality of water supplies, particularly regional supplies. One advantage of WSPs is that they are water supply-specific, thus reflecting local conditions; however, WSPs ...
DOI:
10.1007/s10669-018-9711-8

8. A review of the biological and chemical effects of hypolimnetic oxygenation

Author:
Ellen P. Preece; Barry C. Moore; Megan M. Skinner; Andrew Child; Stephen Dent
Source:
Lake and reservoir management 2019 v.35 no.3 pp. 229-246
ISSN:
2151-5530
Subject:
Cyanobacteria; case studies; cold-water fish; habitats; hypoxia; iron; lakes; manganese; mercury; pollution load; surface water; water quality; water reservoirs; zooplankton
Abstract:
... Preece EP, Moore BC, Skinner MM, Child A, Dent S. A review of the biological and chemical effects of hypolimnetic oxygenation. Lake Reserv Manage. 35:229–246. The technology of hypolimnetic oxygenation (HO) as a management tool continues to mature; at least 30 HO systems have been deployed worldwide in lakes and reservoirs to combat water quality issues that can flow from hypolimnetic hypoxia/anox ...
DOI:
10.1080/10402381.2019.1580325

9. A semi-closed loop microalgal biomass production-platform for ethanol from renewable sources of nitrogen and phosphorous

Author:
Lara Sanchez Rizza; Camila D. Coronel; Maria E. Sanz Smachetti; Mauro Do Nascimento; Leonardo Curatti
Source:
Journal of cleaner production 2019 v.219 pp. 217-224
ISSN:
0959-6526
Subject:
Cyanobacteria; biofuels; biomass; biorefining; bone meal; carbohydrates; closed loop systems; corn; environmental factors; ethanol; feedstocks; fermentation; fertilizers; microalgae; nitrogen; nitrogen fixation; nutrients; phosphates; phosphorus; sulfuric acid; vinasse; wastewater; water reuse; yeasts
Abstract:
... Production of microalgal biomass for feed and fuels demands unsustainable large amounts of fertilizers. The most broadly considered alternative sources of nutrients/fertilizer for microalgae are wastewater and internal recycling in closed-loop production platforms. However, these strategies largely disable co-production of feed and fuel in biomass biorefineries for an increased economic and enviro ...
DOI:
10.1016/j.jclepro.2019.01.311

10. A shallow lake in an agricultural landscape – water quality, nutrient loads, future management

Author:
Renata Dondajewska; Ryszard Gołdyn; Beata Messyasz; Katarzyna Kowalczewska-Madura; Sławek Cerbin
Source:
Limnological review 2019 v.19 no.1 pp. 25-35
ISSN:
2300-7575
Subject:
Cyanobacteria; Rotifera; agricultural land; basins; chlorophyll; denitrification; ecosystems; energy; environmental factors; eutrophication; lakes; macrophytes; nitrogen; nutrients; phosphorus; phytoplankton; pollution control; pollution load; qualitative analysis; rivers; sediments; summer; vegetation; wastewater treatment; water quality; watersheds; wetlands; zooplankton; Poland
Abstract:
... Qualitative analyses of nitrogen and phosphorus loads reaching the lake ecosystem provide a basis for pollution control, which is of paramount importance in shallow lakes due to the rapid turn-over of matter and energy. The studies of both external and internal loading were conducted in Lake Łeknenskie, a very shallow, through-flow lake situated in Western Poland. Strong eutrophication is manifest ...
DOI:
10.2478/limre-2019-0003

11. A sixty-year tryst with photosynthesis and related processes: an informal personal perspective

Author:
Govindjee
Source:
Photosynthesis research 2019 v.139 no.1-3 pp. 15-43
ISSN:
0166-8595
Subject:
Cyanobacteria; absorption; algae; bicarbonates; chlorophyll; fluorescence; food production; genetic engineering; photochemistry; photosynthesis; population growth; temperature; thermoluminescence; Illinois
Abstract:
... After briefly describing my early collaborative work at the University of Allahabad, that had laid the foundation of my research life, I present here some of our research on photosynthesis at the University of Illinois at Urbana-Champaign, randomly selected from light absorption to NADP⁺ reduction in plants, algae, and cyanobacteria. These include the fact that (i) both the light reactions I and I ...
DOI:
10.1007/s11120-018-0590-0

12. A transcriptomic regulatory network among miRNAs, piRNAs, circRNAs, lncRNAs and mRNAs regulates microcystin-leucine arginine (MC-LR)-induced male reproductive toxicity

Author:
Xiannan Meng; Haoran Peng; Yuanzhen Ding; Ling Zhang; Jingping Yang; Xiaodong Han
Source:
Science of the total environment 2019 v.667 pp. 563-577
ISSN:
0048-9697
Subject:
Cyanobacteria; apoptosis; arginine; chemical bonding; circular RNA; cytotoxicity; gene expression regulation; gene ontology; genes; high-throughput nucleotide sequencing; males; messenger RNA; mice; microRNA; non-coding RNA; protein synthesis; reproductive toxicology; sperm quality; testes; tissues; transcriptomics
Abstract:
... Microcystin-leucine arginine (MC-LR) which is produced by cyanobacteria is a potent toxin for the reproductive system. Our previous work has demonstrated that both acute and chronic reproductive toxicity engendered by MC-LR can result in the decline of sperm quality and damage of testicular structures in male mice. The present study was designed to investigate the impact of chronic low-dose exposu ...
DOI:
10.1016/j.scitotenv.2019.02.393

13. Advances in the technologies for studying consortia of bacteria and cyanobacteria/microalgae in wastewaters

Author:
Isiri Adhiwarie Perera; Sudharsanam Abinandan; Suresh R. Subashchandrabose; Kadiyala Venkateswarlu; Ravi Naidu; Mallavarapu Megharaj
Source:
Critical reviews in biotechnology 2019 v.39 no.5 pp. 709-731
ISSN:
1549-7801
Subject:
Cyanobacteria; bacteria; biological treatment; flow cytometry; genetic engineering; genomics; metabolomics; microalgae; microscopy; proteomics; transcriptomics; wastewater; wastewater treatment
Abstract:
... The excessive generation and discharge of wastewaters have been serious concerns worldwide in the recent past. From an environmental friendly perspective, bacteria, cyanobacteria and microalgae, and the consortia have been largely considered for biological treatment of wastewaters. For efficient use of bacteria‒cyanobacteria/microalgae consortia in wastewater treatment, detailed knowledge on their ...
DOI:
10.1080/07388551.2019.1597828

14. Algae Diversity and Ecology during a Summer Assessment of Water Quality in the Abraham Lincoln Birthplace National Historical Park, USA

Author:
Sophia Barinova; Thomas Smith
Source:
Diversity 2019 v.11 no.11 pp. -
ISSN:
1424-2818
Subject:
Charophyta; Cyanobacteria; Navicula; Nitzschia; algae; benthic organisms; biodiversity; chemical analysis; chlorides; environmental assessment; flora; habitat conservation; sulfides; summer; temperature; water quality; Kentucky
Abstract:
... There were 88 species of algae and cyanobacteria observed from seven sites in the Abraham Lincoln Birthplace National Historical Park (Hodgenville, Kentucky, USA). This was the first algal investigation study in the park. There were 21 samples collected, during the summer, on 16 July 2008. Algal flora, dominated by diatoms was represented by 54 species identified (61.4% of the total), 20 species o ...
DOI:
10.3390/d11110206

15. Algae and cyanobacteria in phytotelmata: diversity, ecological aspects, and conservation

Author:
Geraldo José Peixoto Ramos; Carlos Wallace do Nascimento Moura
Source:
Biodiversity and conservation 2019 v.28 no.7 pp. 1667-1697
ISSN:
0960-3115
Subject:
Cyanobacteria; algae; geographical distribution; habitats; microorganisms; phytotelmata
Abstract:
... Studies on algae and cyanobacteria in phytotelmata have been known since the beginning of the last century, however only since the last 20 years have become more frequent, although in a smaller number than desirable considering the importance of this habitat type. Here, we provide a global overview based on all studies where algae and cyanobacteria have been reported in phytotelmata. In general, w ...
DOI:
10.1007/s10531-019-01771-2

16. Algae community response to climate change and nutrient loading recorded by sedimentary phytoplankton pigments in the Changtan Reservoir, China

Author:
Shouliang Huo; Hanxiao Zhang; Chunzi Ma; Beidou Xi; Jingtian Zhang; Zhuoshi He; Xiaochuang Li; Fengchang Wu
Source:
Journal of hydrology 2019 v.571 pp. 311-321
ISSN:
0022-1694
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; air temperature; algae; biomass; global warming; hydrology; models; phosphorus; phytoplankton; pigments; pollution load; water quality; China
Abstract:
... Climate change is likely to stimulate variations in phytoplankton composition and production in gradually eutrophicating water, with negative consequences for the water quality of many reservoirs. This study analyzed the effects of climate warming and increased nutrient loading on algae communities recorded by sedimentary pigments in the Changtan Reservoir of southeastern China from 1985 to 2015. ...
DOI:
10.1016/j.jhydrol.2019.02.005

17. Algal treatment of wastewater generated during oil and gas production using hydraulic fracturing technology

Author:
Giovanni Antonio Lutzu; Nurhan Turgut Dunford
Source:
Environmental technology 2019 v.40 no.8 pp. 1027-1034
ISSN:
1479-487X
Subject:
Chlorophyta; Cyanobacteria; biobased products; biomass; boron; carbon; chemical composition; environmental impact; environmental technology; hydraulic fracturing; microalgae; natural gas; nitrates; oils; wastewater; wastewater treatment
Abstract:
... Hydraulic fracturing technology is widely used for recovering natural gas and oil from tight oil and gas reserves. Large volumes of wastewater, flowback water, are produced during the fracturing process. This study examines algal treatment of flowback water. Thirteen microalgae strains consisting of cyanobacteria and green algae were examined. Wastewater quality before and after algae treatment, a ...
DOI:
10.1080/09593330.2017.1415983

18. Alpha-hemolysin nanopore allows discrimination of the microcystins variants

Author:
Janilson J. S. Júnior; Thereza A. Soares; Laércio Pol-Fachin; Dijanah C. Machado; Victor H. Rusu; Juliana P. Aguiar; Cláudio G. Rodrigues
Source:
RSC advances 2019 v.9 no.26 pp. 14683-14691
ISSN:
2046-2069
Subject:
Cyanobacteria; aqueous solutions; computer simulation; electrostatic interactions; hemolysins; hepatotoxicity; humans; microcystins; molecular dynamics; nanopores; poisoning; surface water
Abstract:
... Microcystins (MCs) are a class of cyclic heptapeptides with more than 100 variants produced by cyanobacteria present in surface waters. MCs are potent hepatotoxic agents responsible for fatal poisoning in animals and humans. Several techniques are employed in the detection of MCs, however, there is a shortage of methods capable of discriminating variants of MCs. In this work we demonstrate that th ...
DOI:
10.1039/c8ra10384d

19. Amendments fail to hasten biocrust recovery or soil stability at a disturbed dryland sandy site

Author:
David G. Chandler; Natalie Day; Matthew D. Madsen; Jayne Belnap
Source:
Restoration ecology 2019 v.27 no.2 pp. 289-297
ISSN:
1061-2971
Subject:
Bryophyta; Chlorophyta; Cyanobacteria; aggregate stability; arid lands; biological soil crusts; biomass; ecological function; fungi; gels; gypsum; hydraulic conductivity; inoculum; lichens; nutrients; oils; polyacrylamide; sodium chloride; soil aggregates; soil amendments; soil strength
Abstract:
... In most drylands, biological soil crusts (biocrusts), an assemblage of lichens, bryophytes, fungi, green algae, and cyanobacteria, are critical to healthy ecosystem function. However, they are extremely sensitive to disturbance and attempts to facilitate their recovery have had variable success. In this study, we applied soil amendments designed to improve soil surface stability and accelerate bio ...
DOI:
10.1111/rec.12870

20. Amino Acid Composition of Green Microalgae and Diatoms, Cyanobacteria, and Zooplankton (Review)

Author:
A. A. Kolmakova; V. I. Kolmakov
Source:
Inland water biology 2019 v.12 no.4 pp. 452-461
ISSN:
1995-0829
Subject:
Bacillariophyceae; Cyanobacteria; amino acid composition; amino acids; aquatic ecosystems; herbivores; microalgae; zooplankton
Abstract:
... We have reviewed foreign and domestic literature devoted to the study of the amino acid (AA) composition of aquatic organisms representing major groups of producers (green microalgae and diatoms, and cyanobacteria) and primary consumers (zooplankton). Based on published data, we estimate the composition of essential and nonessential AAs of microalgae, cyanobacteria, and zooplankton and determine t ...
DOI:
10.1134/S1995082919040060

21. An Enhanced System with Macrophytes and Polyurethane Sponge as an Eco-Technology for Restoring Eutrophic Water: A Pilot Test

Author:
Yijie Wang; Xinan Yin; Yanpeng Cai; Zhifeng Yang
Source:
Water 2019 v.11 no.9 pp. -
ISSN:
2073-4441
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; ammonium nitrogen; biofilm; biological treatment; chemical oxygen demand; dominant species; ecological restoration; equipment; eutrophication; lakes; macrophytes; nitrogen; nutrients; phosphorus; phytoplankton; polyurethanes; ponds; remediation; total nitrogen; total phosphorus; trophic relationships; water quality
Abstract:
... Water eutrophication is one of the most serious environmental problems in urban lakes and ponds due to the excessive nutrients. To deal with this problem, the development of methods for supporting ecological rehabilitation has been undertaken. Meanwhile, the trophic interactions during rehabilitation also have been analyzed. In this study, a new technique was employed to solve the water eutrophica ...
DOI:
10.3390/w11091828

22. An approach to analyzing environmental drivers of phytoplankton community patterns in coastal waters in the northern Bay of Bengal, Bangladesh

Author:
Mamun Abdullah Al; Aysha Akhtar; Md. Leion Hassan; Muhammed Forruq Rahman; Alan Warren
Source:
Regional studies in marine science 2019 v.29 pp. 100642
ISSN:
2352-4855
Subject:
Bacillariophyta; Chlorophyta; Ciliophora; Cyanobacteria; Haptophyta; Miozoa; Ochrophyta; biological assessment; coastal water; dominant species; environmental factors; food chain; marine ecosystems; marine science; monsoon season; multivariate analysis; nitrate nitrogen; nutrients; phytoplankton; salinity; seasonal variation; species richness; surveys; water temperature; winter; Bangladesh; Bay of Bengal
Abstract:
... As primary producers, phytoplankton are key components of aquatic food chains. To investigate the environmental drivers of phytoplankton community patterns, a one-year (2014–15) baseline survey was conducted in coastal waters of the northern Bay of Bengal, Bangladesh. A total of 42 phytoplankton species were identified including 13 common and 13 dominant species belonging to eight divisions as Och ...
DOI:
10.1016/j.rsma.2019.100642

23. An attempt to measure longitudinal connectivity based on the community structure of phytoplankton

Author:
Jun Hu; Shiyun Chi; Juxiang Hu
Source:
Environmental monitoring and assessment 2019 v.191 no.6 pp. 382
ISSN:
0167-6369
Subject:
Bacillariophyceae; Cyanobacteria; biomass; community structure; gates; phytoplankton; principal component analysis; quantitative analysis; rivers; summer
Abstract:
... At present, there are few studies on the quantitative analysis of connectivity from the perspective of biocenology. This study aimed to develop a new quantitative assessment method for river connectivity based on the analysis of the effect of river connectivity on the phytoplankton community in the Shaying River, which has multiple gates. The results showed that from the view of the phytoplankton ...
DOI:
10.1007/s10661-019-7511-3

24. An efficient method for DNA extraction from cyanobacteria isolated from hypersaline and marine environments

Author:
Bhavna Bhardwaj; Akhil Agrawal; Lalita Ledwani; S. Thangminlal Vaiphei; Shikha Jain
Source:
Journal of phycology 2019 v.55 no.3 pp. 733-737
ISSN:
0022-3646
Subject:
Cyanobacteria; DNA; environmental impact; exopolysaccharides; hypersalinity; marine environment; nutrient requirements; polymerase chain reaction; secondary metabolites; sequence analysis
Abstract:
... Cyanobacteria are ancient organisms surviving on the earth due to their simple nutritional requirements and ability to produce distinct secondary metabolites that can combat detrimental environmental impacts. In order to understand these abilities of cyanobacteria at the molecular level, it is necessary to extract high‐quality genomic DNA. However, the presence of secondary metabolites and exopoly ...
DOI:
10.1111/jpy.12847

25. An uncultured marine cyanophage encodes an active phycobilisome proteolysis adaptor protein NblA

Author:
Omer Nadel; Andrey Rozenberg; José Flores‐Uribe; Shirley Larom; Rakefet Schwarz; Oded Béjà
Source:
Environmental microbiology reports 2019 v.11 no.6 pp. 848-854
ISSN:
1758-2229
Subject:
Cyanobacteria; chloroplasts; cyanophages; freshwater; metagenomics; nitrogen; phenotype; photosynthesis; phycobilisome; proteinases; proteolysis; sulfur; water solubility
Abstract:
... Phycobilisomes (PBS) are large water‐soluble membrane‐associated complexes in cyanobacteria and some chloroplasts that serve as light‐harvesting antennae for the photosynthetic apparatus. When deplete of nitrogen or sulphur, cyanobacteria readily degrade their phycobilisomes allowing the cell to replenish these vanishing nutrients. The key regulator in the degradation process is NblA, a small prot ...
DOI:
10.1111/1758-2229.12798

26. Antibiotic resistance and microbiota in the gut of Chinese four major freshwater carp from retail markets

Author:
Li Yuan; Li Wang; Zheng-Hao Li; Ming-Qi Zhang; Wei Shao; Guo-Ping Sheng
Source:
Environmental pollution 2019 v.255 pp. 113327
ISSN:
0269-7491
Subject:
Acidobacteria; Bacteroidetes; Carassius; Chloroflexi; Ctenopharyngodon idella; Cyanobacteria; Firmicutes; Hypophthalmichthys molitrix; Hypophthalmichthys nobilis; Proteobacteria; antibiotic resistance; antibiotic resistance genes; carp; digestive system; food chain; food retailing; hosts; human health; humans; integrases; mercury; microorganisms; retail marketing; ribosomal RNA; risk; silver
Abstract:
... Fish-associated antibiotic resistance genes (ARGs) have attracted increasing attention due to their potential risks to human beings via the food chain. However, data are scarce regarding the antibiotic resistance in fish themselves. Herein, the antibiotic resistance genes (ARGs) were assessed in the gut of four major Chinese freshwater carp (i.e., silver carp, grass carp, bighead carp, and crucian ...
DOI:
10.1016/j.envpol.2019.113327

27. Application of passive sampling for sensitive time-integrative monitoring of cyanobacterial toxins microcystins in drinking water treatment plants

Author:
Libor Jaša; Jan Sadílek; Jiří Kohoutek; Lucie Straková; Blahoslav Maršálek; Pavel Babica
Source:
Water research 2019 v.153 pp. 108-120
ISSN:
0043-1354
Subject:
Cyanobacteria; World Health Organization; coagulation; drinking water treatment; filtration; guidelines; liquid chromatography; microcystins; monitoring; risk; samplers; spatial variation; tandem mass spectrometry; temporal variation; time-weighted average; vegetation; Czech Republic
Abstract:
... Calibrated adsorption-based passive samplers were used for time-integrative monitoring of microcystins (MCs) in three full-scale drinking water treatment plants (DWTPs) in the Czech Republic during two vegetation seasons (Jun–Nov), in parallel with traditional discrete sampling. MCs were detected in epilimnetic water samples at concentrations up to 14 μg/L, but their levels in raw water in DWTPs w ...
DOI:
10.1016/j.watres.2018.12.059

28. Approach deliberation for source identification of sedimentary organic matters via comparing freshwater lakes with multi-ecotypes

Author:
Xiaoguang Xu; Wei Li; Hui Deng; Megumu Fujibayashi; Munehiro Nomura; Osamu Nishimura; Guoxiang Wang
Source:
Science of the total environment 2019 v.649 pp. 327-334
ISSN:
0048-9697
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; Miozoa; Nelumbo; Nymphoides; Phragmites; Trapa; bacteria; biomarkers; ecotypes; eutrophication; fatty acid composition; fatty acids; freshwater ecosystems; freshwater lakes; microalgae; organic matter; plants (botany); sediments; stable isotopes; statistical models; China; Japan
Abstract:
... Despite of the importance of understanding the sediment quality for lacustrine management, the source evaluation of sedimentary organic matter (SOM) in freshwater lakes is still insufficient. In this study, two shallow eutrophic lakes of Lake Taihu, China and Lake Izunuma, Japan were systematically investigated. Results of fatty acid profiles demonstrated that a wide range of organic matters, vary ...
DOI:
10.1016/j.scitotenv.2018.08.236

29. Aquatic biomarkers record Pleistocene environmental changes at Paleolake Olduvai, Tanzania

Author:
Devon E. Colcord; Andrea M. Shilling; Katherine H. Freeman; Jackson K. Njau; Ian G. Stanistreet; Harald Stollhofen; Kathy D. Schick; Nicholas Toth; Simon C. Brassell
Source:
Palaeogeography, palaeoclimatology, palaeoecology 2019 v.524 pp. 250-261
ISSN:
0031-0182
Subject:
Cyanobacteria; Pleistocene epoch; algae; aquatic communities; aquatic ecosystems; aquatic environment; basalt; biomarkers; climate; grasslands; hydrogen; lakes; macrophytes; organic carbon; tuff; wet-dry cycles; woodlands; Tanzania
Abstract:
... Several hypotheses invoke climatic variability as a driving force for hominin evolution. Thus, high-resolution records of climate and environmental variability from anthropologically significant locations can help test these hypotheses. Sedimentary sequences recovered by the Olduvai Gorge Coring Project (OGCP) help evaluate climatic and environmental changes at Olduvai Gorge, Tanzania through the ...
DOI:
10.1016/j.palaeo.2019.04.001

30. Archean Iron-Based Metabolism Analysis and the Photoferrotrophy-Driven Hypothesis of Microbial Magnetotaxis Origin

Author:
Oliver Strbak; Dusan Dobrota
Source:
Geomicrobiology journal 2019 v.36 no.3 pp. 278-290
ISSN:
1521-0529
Subject:
Archean eon; Cyanobacteria; ambient pressure; anaerobiosis; biomineralization; coevolution; genes; iron; magnetite; magnetotaxis; nanoparticles; oases; oxygen; photosynthesis; toxicity
Abstract:
... Despite its biological and geological significance, the origin of microbial magnetosome biomineralization, as well as the evolution of magnetotaxis, is still not well understood. Recently, the origin of magnetotaxis has been proposed to already exist in the Archean Eon. However, the Archean environment was fully anoxic. Therefore, what was the reason for the evolution of magnetotaxis in the anoxic ...
DOI:
10.1080/01490451.2018.1554013

31. Assessing aquatic ecosystem health through the analysis of plankton biodiversity

Author:
N. F. Shao; S. T. Yang; Y. Sun; Y. Gai; C. S. Zhao; F. Wang; X. Yin; B. Dong
Source:
Marine & freshwater research 2019 v.70 no.5 pp. 647-655
ISSN:
1323-1650
Subject:
Bacillariophyceae; Chlorophyta; Cladocera; Cyanobacteria; Protozoa; Rotifera; anthropogenic activities; autumn; biodiversity; cities; developing countries; ecological restoration; environmental health; food webs; freshwater; freshwater ecosystems; health effects assessments; health status; models; monitoring; phytoplankton; rivers; spring; summer; zooplankton; China
Abstract:
... Healthy plankton communities are the foundation of many freshwater food webs. Their biodiversity is often used to directly reflect the health of the rivers. Globally, river ecosystem restoration is a critical issue and many freshwater ecosystems, especially in cities, are degraded because of intensive human activities. This is true for Jinan, China’s first pilot city for the Water Ecological Civil ...
DOI:
10.1071/MF18342

32. Assessing the effect of abiotic variables and zooplankton on picocyanobacterial dominance in two tropical mesotrophic reservoirs by means of evolutionary computation

Author:
M.I.A. Rocha; F. Recknagel; R.T. Minoti; V.L.M. Huszar; B. Kozlowsky-Suzuki; H. Cao; F.L.R.M. Starling; C.W.C. Branco
Source:
Water research 2019 v.149 pp. 120-129
ISSN:
0043-1354
Subject:
Cladocera; Copepoda; Cyanobacteria; Rotifera; biotic factors; climate change; dry season; electrical conductivity; environmental factors; models; nauplii; pH; water supply; water temperature; winter; zooplankton; Brazil
Abstract:
... Evolutionary computation has been applied to predict the occurrence of massive cyanobacteria proliferations; in the present study, this tool was further used to explore the factors responsible for maintaining picocyanobacterial dominance. Aiming to increase the understanding of factors that promote dominance of picocyanobacteria in tropical reservoirs, we chose two reservoirs used for water suppli ...
DOI:
10.1016/j.watres.2018.10.067

33. Assessing the relevance of top-down and bottom-up effects as phytoplankton structure drivers in a subtropical hypereutrophic shallow lake

Author:
Diego Frau; Yamila Battauz; Patricio Francisco Alvarenga; Pablo Augusto Scarabotti; Gisela Mayora; Rodrigo Sinistro
Source:
Aquatic ecology 2019 v.53 no.2 pp. 265-280
ISSN:
1386-2588
Subject:
Bacillariophyceae; Cyanobacteria; Rotifera; autumn; eggs; environmental factors; eutrophication; fish; fish communities; hatching; lakes; nutrient availability; nutrients; phytoplankton; predation; prediction; summer; temperature; winter; zooplankton
Abstract:
... Although several studies explain the trophic cascade in water systems, we lack knowledge about top-down–bottom-up effects on phytoplankton from eutrophic lakes. In this study, we tested the importance of trophic cascades on phytoplankton structure, predicting that environmental variations are the main drivers. We performed a monthly sampling during a year to measure environmental variables, phytop ...
DOI:
10.1007/s10452-019-09687-3

34. Assessing uncertainty of hydrological and ecological parameters originating from the application of an ensemble of ten global-regional climate model projections in a coastal ecosystem of the lagoon of Venice, Italy

Author:
M. Pesce; A. Critto; S. Torresan; E. Giubilato; L. Pizzol; A. Marcomini
Source:
Ecological engineering 2019 v.133 pp. 121-136
ISSN:
0925-8574
Subject:
Bacillariophyceae; Cyanobacteria; General Circulation Models; chlorophyll; climate change; climatic factors; coastal ecosystems; coastal water; coasts; ecological models; hydrologic models; inorganic phosphorus; nitrogen; pollution load; summer; uncertainty; watersheds; winter; Italy
Abstract:
... With increasing evidences of climate change affecting coastal waters, there is a strong need to understand future climate conditions and assess the potential responses of delicate coastal ecosystems. Results of climate change studies based on only one GCM-RCM combination should be interpreted with caution as results are highly dependent on the assumptions of the selected combination. In this study ...
DOI:
10.1016/j.ecoleng.2019.04.011

35. Assessment of microcystin contamination of Amaranthus hybridus, Brassica oleracea, and Lactuca sativa sold in markets: a case study of Zaria, Nigeria

Author:
Mathias Ahii Chia; Zinariya Zippora Auta; Akolo Elijah Esson; Abraham G. Yisa; David S. Abolude
Source:
Environmental monitoring and assessment 2019 v.191 no.9 pp. 569
ISSN:
0167-6369
Subject:
Amaranthus hybridus; Brassica oleracea; Cyanobacteria; Lactuca sativa; adults; cabbage; case studies; children; developing countries; direct contact; dry season; food contamination; human health; humans; issues and policy; markets; microcystins; monitoring; neoplasms; purchasing; risk; secondary metabolites; toxicity; water pollution; Nigeria
Abstract:
... Microcystins (MCs) are toxic secondary metabolites produced by several cyanobacteria genera that have been implicated in human cancer cases and deaths. Human exposure routes include direct contact with contaminated water and the consumption of contaminated food. The present study investigated the presence of MCs in three commonly consumed vegetables at the point of sale in market places as a means ...
DOI:
10.1007/s10661-019-7725-4

36. Assessment of the cytotoxic impact of cyanotoxin beta-N-methylamino-L-alanine on a fish immune cell line

Author:
Anna Sieroslawska; Anna Rymuszka
Source:
Aquatic toxicology 2019 v.212 pp. 214-221
ISSN:
0166-445X
Subject:
Cyanobacteria; adenosine triphosphate; amino acids; carp; cell lines; cell membranes; cyanobacterial toxins; cytotoxicity; enzyme activity; interleukin-1beta; lysosomes; mitochondria; monocytes; neurotoxicity; neurotoxins; phagocytosis
Abstract:
... Beta-N-methylamino-L-alanine (BMAA) is a non-proteinogenic amino acid produced by several cyanobacteria species. It is considered to be a potent neurotoxin. Although its neurotoxic effects are well studied, other negative effects of BMAA have not yet been completely elucidated. In the present study, we studied the cytotoxic effects of a wide range of concentrations of BMAA (0.25–2.0 mM) on a stabl ...
DOI:
10.1016/j.aquatox.2019.05.012

37. Automated Subdaily Sampling of Cyanobacterial Toxins on a Buoy Reveals New Temporal Patterns in Toxin Dynamics

Author:
Todd R. Miller; Sarah L. Bartlett; Chelsea A. Weirich; John Hernandez
Source:
Environmental science & technology 2019 v.53 no.10 pp. 5661-5670
ISSN:
1520-5851
Subject:
Cyanobacteria; automation; carbon nitrogen ratio; drinking water; lakes; microcystins; monitoring; periodicity; principal component analysis; public health; tandem mass spectrometry; temporal variation; time series analysis; variance; water quality; wavelet; wind direction; wind speed
Abstract:
... Temporal variability of toxins produced by cyanobacteria in lakes is relatively unknown at time scales relevant to public health (i.e., hourly). In this study, a water quality monitoring buoy was outfitted with an automated water sampler taking preserved samples every 6 h for 68.75 days over a drinking water intake. A total of 251 samples were analyzed by tandem mass spectrometry for 21 cyanotoxin ...
DOI:
10.1021/acs.est.9b00257

38. Bacterial Communities in Areas of Oil and Methane Seeps in Pelagic of Lake Baikal

Author:
Aleksandra S. Zakharenko; Yuriy P. Galachyants; Igor V. Morozov; Olga V. Shubenkova; Alexey A. Morozov; Vyacheslav G. Ivanov; Nikolay V. Pimenov; Andrey Y. Krasnopeev; Tamara I. Zemskaya
Source:
Microbial ecology 2019 v.78 no.2 pp. 269-285
ISSN:
0095-3628
Subject:
Cyanobacteria; DNA; Methylobacterium; RNA libraries; bacteria; bacterial communities; gamma-Proteobacteria; genes; methane; methanotrophs; nucleotide sequences; oils; oxidation; ribosomal RNA; sequence analysis; taxonomy; Lake Baikal
Abstract:
... We have assessed the diversity of bacteria near oil-methane (area I) and methane (area II) seeps in the pelagic zone of Lake Baikal using massive parallel sequencing of 16S rRNA, pmoA, and mxaF gene fragments amplified from total DNA. At depths from the surface to 100 m, sequences belonging to Cyanobacteria dominated. In the communities to a depth of 200 m of the studied areas, Proteobacteria domi ...
DOI:
10.1007/s00248-018-1299-5

39. Bacterial community and eutrophic index analysis of the East Lake

Author:
Bin Ji; Jiechao Liang; Yingqun Ma; Lin Zhu; Yu Liu
Source:
Environmental pollution 2019 v.252 pp. 682-688
ISSN:
0269-7491
Subject:
Acidobacteria; Actinobacteria; Bacteroidetes; Chloroflexi; Cyanobacteria; Firmicutes; Nitrospirae; Planctomycetes; Proteobacteria; Verrucomicrobia; bacterial communities; eutrophication; freshwater ecosystems; lakes; sediments; surface water; water quality; China
Abstract:
... This study investigated bacterial diversities in surface water and sediment of the East Lake located in Wuhan, China. Bacterial community of lake water was mainly composed of Proteobacteria (31.1%), Actinobacteria (25.0%), Bacteroidetes (18.6%), Cyanobacteria (18.9%), Planctomycetes (2.4%) and Verrucomicrobia (1.4%), while more abundant and richer bacterial community was found in the sediments, e. ...
DOI:
10.1016/j.envpol.2019.05.138

40. Bacterial community changes with granule size in cryoconite and their susceptibility to exogenous nutrients on NW Greenland glaciers

Author:
Jun Uetake; Naoko Nagatsuka; Yukihiko Onuma; Nozomu Takeuchi; Hideaki Motoyama; Teruo Aoki
Source:
FEMS microbiology ecology 2019 v.95 no.7 pp. -
ISSN:
1574-6941
Subject:
Cyanobacteria; bacterial communities; color; developmental stages; environmental factors; glaciers; granules; multivariate analysis; nitrates; nutrients; species diversity; Arctic region; Greenland
Abstract:
... Cryoconite granules are dark-colored biological aggregates on glaciers. Bacterial community varies with granule size, however, community change in space and their susceptibility to environmental factors has not been described yet. Therefore, we focused on bacterial community from four different granule sizes (30–249 μm, 250–750 μm, 750–1599 μm, more than 1600 μm diameter) in 10 glaciers in northwe ...
DOI:
10.1093/femsec/fiz075

41. Bacterial signatures of productivity decay in Penaeus monodon ponds infected with PirA toxin

Author:
Sandra Infante-Villamil; Roger Huerlimann; Kelly Condon; Gregory E. Maes; Dean R. Jerry
Source:
Aquaculture 2019 pp. 734202
ISSN:
0044-8486
Subject:
Cyanobacteria; Desulfobacteraceae; Fusibacter; Penaeus monodon; Vibrio; adults; anaerobes; animals; aquaculture; bacteria; bacterial communities; gastrointestinal system; hepatopancreas; high-throughput nucleotide sequencing; microbiome; monitoring; ponds; sediments; sulfur; summer
Abstract:
... The clear relationship between the microbiome and the general well-being of metazoans have motivated the characterization of bacterial communities in cultured species for future microbiome monitoring and modulation to improve productivity. To study the bacterial diversity associated with farmed adult P. monodon at harvest, guts, gastric mills (GM), pond water and sediments were investigated using ...
DOI:
10.1016/j.aquaculture.2019.734202

42. Balancing protection and efficiency in the regulation of photosynthetic electron transport across plant evolution

Author:
Alessandro Alboresi; Mattia Storti; Tomas Morosinotto
Source:
new phytologist 2019 v.221 no.1 pp. 105-109
ISSN:
0028-646X
Subject:
Angiospermae; Chlorophyta; Cyanobacteria; autotrophs; electrons; eukaryotic cells; evolution; light intensity; mosses and liverworts; oxygen; photosynthetic electron transport; photosystem I; proteins
Abstract:
... Contents Summary 105 I. Introduction 105 II. Diversity of molecular mechanisms for regulation of photosynthetic electron transport 106 III. Role of FLVs in the regulation of photosynthesis in eukaryotes 107 IV. Why were FLVs lost in angiosperms? 108 V. Conclusions 108 Acknowledgements 109 References 109 SUMMARY: Photosynthetic electron transport requires continuous modulation to maintain the balan ...
DOI:
10.1111/nph.15372

43. Baseline information on prokaryotic and microeukaryotic plankton communities inside and outside of Indonesian marine lakes

Author:
D.F.R. Cleary; N.C.M. Gomes
Source:
Journal of sea research 2019 v.148-149 pp. 23-32
ISSN:
1385-1101
Subject:
Bacteroidetes; Cyanobacteria; Euryarchaeota; Proteobacteria; aquatic environment; bacteria; environmental factors; habitats; lakes; microbial communities; pH; plankton; salinity; seawater; temperature; Indonesia
Abstract:
... Marine lakes represent a unique and globally rare aquatic environment characterised by lower salinities and pH and higher temperatures than the surrounding open water environment. Here we provide baseline data on planktonic communities of Archaea, Bacteria and microeukaryotes inside and outside (open water habitat) of three marine lakes (Kakaban, Haji Buang and Tanah Bamban) in the Berau region of ...
DOI:
10.1016/j.seares.2019.04.001

44. Binding of ferredoxin NADP+ oxidoreductase (FNR) to plant photosystem I

Author:
Pini Marco; Tamar Elman; Iftach Yacoby
Source:
Biochimica et biophysica acta 2019 v.1860 no.9 pp. 689-698
ISSN:
0005-2728
Subject:
Cyanobacteria; binding sites; calorimetry; heat; light harvesting complex; models; photosystem I; solvents; stoichiometry; sucrose; temperature; titration
Abstract:
... The binding of FNR to PSI has been postulated long ago, however, a clear evidence is still missing. In this work, using isothermal titration calorimetry (ITC), we found that FNR binds to photosystem I with its light harvesting complex I (PSI-LHCI) from C. reinhardtii with a 1:1 stoichiometry, a Kd of ~0.8 μM and ∆H of −20.7 kcal/mol. Titrations at different temperatures were used to determine the ...
DOI:
10.1016/j.bbabio.2019.07.007

45. Bio-solar cell factories for photosynthetic isoprenoids production

Author:
Sung Cheon Ko; Hyun Jeong Lee; Sun Young Choi; Jong-il Choi; Han Min Woo
Source:
Planta 2019 v.249 no.1 pp. 181-193
ISSN:
0032-0935
Subject:
Cyanobacteria; Escherichia coli; biofuels; carbon; carbon dioxide; cosmetics; isoprenoids; metabolic engineering; photosynthesis; photosynthetic bacteria; value added
Abstract:
... MAIN CONCLUSION: Photosynthetic production of isoprenoids in cyanobacteria is considered in terms of metabolic engineering and biological importance. Metabolic engineering of photosynthetic bacteria (cyanobacteria) has been performed to construct bio-solar cell factories that convert carbon dioxide to various value-added chemicals. Isoprenoids, which are found in nature and range from essential ce ...
DOI:
10.1007/s00425-018-2969-8

46. Bioaccumulation and detoxication of microcystin-LR in three submerged macrophytes: The important role of glutathione biosynthesis

Author:
Qing Cao; Xiang Wan; Xiubo Shu; Liqiang Xie
Source:
Chemosphere 2019 v.225 pp. 935-942
ISSN:
0045-6535
Subject:
Ceratophyllum demersum; Cyanobacteria; Myriophyllum spicatum; Vallisneria; bioaccumulation; biosynthesis; biotransformation; eutrophication; glutathione; glutathione transferase; glutathione-disulfide reductase; macrophytes; malondialdehyde; microcystin-LR; surface water; toxicity
Abstract:
... Aquatic plants naturally come into direct contact with microcystins in eutrophic water bodies suffering from cyanobacteria blooms. In the present study, the bioaccumulation and detoxification of microcystin-LR (MC-LR) in three submerged macrophytes, Ceratophyllum demersum L., Vallisneria natans (Lour.) Hara and Myriophyllum spicatum L., were investigated. Our results showed that the average daily ...
DOI:
10.1016/j.chemosphere.2019.03.055

47. Biochemical reactions and mechanisms involved in the biodeterioration of stone world cultural heritage under the tropical climate conditions

Author:
Guoxia Zhang; Chunjie Gong; Jiguang Gu; Yoko Katayama; Takeshi Someya; Ji-Dong Gu
Source:
International biodeterioration & biodegradation 2019 v.143 pp. 104723
ISSN:
0964-8305
Subject:
Archaea; Cyanobacteria; biochemical mechanisms; biochemical pathways; biodegradation; climatic factors; cultural heritage; fungi; high-throughput nucleotide sequencing; inorganic acids; lichens; microbial communities; monuments; nitrifying bacteria; organic acids and salts; oxidation; sandstone; solutes; sulfur; tropics; weathering; Cambodia
Abstract:
... The World Cultural Heritage stone monuments/temples suffer from severe deterioration from weathering caused by a combination of physical, chemical and biological forces. Current knowledge on biodeterioration of these stone monuments has been improving because of the suite of research techniques available. Previous investigations were mainly carried out with culture-dependent methods to isolate and ...
DOI:
10.1016/j.ibiod.2019.104723

48. Biocrusts reduce surface soil infiltrability and impede soil water infiltration under tension and ponding conditions in dryland ecosystem

Author:
Bo Xiao; Fuhai Sun; Kelin Hu; Giora J. Kidron
Source:
Journal of hydrology 2019 v.568 pp. 792-802
ISSN:
0022-1694
Subject:
Cyanobacteria; aggregate stability; arid lands; ecosystems; infiltration (hydrology); infiltration rate; infiltrometers; mosses and liverworts; organic matter; particle size distribution; porosity; sand; semiarid zones; soil water; China
Abstract:
... Biocrust effects on soil water infiltration and hydropedological processes have attracted increasing attention in dryland ecosystems, but are nevertheless subjected to great controversy. According to some scholars, infiltration was assumed to decrease due to repellency and to increase with the organic matter content due to its role in increasing aggregate stability and porosity. These assumptions ...
DOI:
10.1016/j.jhydrol.2018.11.051

49. Biodegradation kinetics of microcystins-LR crude extract by Lysinibacillus boronitolerans strain CQ5

Author:
Rongyan Shen; Zehui Chen; Xiaona Dong; Hongchi Shen; Peng Su; Linqiang Mao; Wenyi Zhang
Source:
Annals of microbiology 2019 v.69 no.12 pp. 1259-1266
ISSN:
1590-4261
Subject:
Cyanobacteria; Lysinibacillus; biodegradation; carbon; cell growth; cost effectiveness; engineering; equations; growth curves; growth models; kinetics; logit analysis; mathematical models; microcystin-LR; nitrogen; nucleotide sequences; pH; phylogeny; ribosomal DNA; sequence analysis
Abstract:
... PURPOSE: As the most common variant of microcystins (MCs), microcystin-LR (MCLR) is a kind of toxins produced by some species of harmful cyanobacteria and more and more attention has been paid to it. Biodegradation has been extensively investigated and recognized to be a cost-efficient and environmentally benign method for MC clean-up. In order to further research the growth characteristics of str ...
DOI:
10.1007/s13213-019-01510-6

50. Bioethanol production from microalgae polysaccharides

Author:
Gergely Ernő Lakatos; Karolína Ranglová; João Câmara Manoel; Tomáš Grivalský; Jiří Kopecký; Jiří Masojídek
Source:
Folia microbiologica 2019 v.64 no.5 pp. 627-644
ISSN:
0015-5632
Subject:
Chlorophyta; Cyanobacteria; biodiesel; bioethanol; biogas; biomass; carbohydrate content; carbon dioxide; energy; ethanol production; feedstocks; fermentation; fuel production; glycogen; lipids; markets; microalgae; production technology; starch
Abstract:
... The worldwide growing demand for energy permanently increases the pressure on industrial and scientific community to introduce new alternative biofuels on the global energy market. Besides the leading role of biodiesel and biogas, bioethanol receives more and more attention as first- and second-generation biofuel in the sustainable energy industry. Lately, microalgae (green algae and cyanobacteria ...
DOI:
10.1007/s12223-019-00732-0

51. Biofilm consumption shapes the intestinal microbiota of shrimp (Penaeus vannamei)

Author:
Estefanía Garibay‐Valdez; Luis R. Martínez‐Córdova; Francisco Vargas‐Albores; Teresa Gollas‐Galván; Asunción Lago‐Leston; Kadiya Calderón; Marcel Martínez‐Porchas
Source:
Aquaculture nutrition 2019 v.25 no.2 pp. 427-435
ISSN:
1353-5773
Subject:
Actinobacteria; Bacteroidetes; Cyanobacteria; Firmicutes; Fusobacteria; Litopenaeus vannamei; Vibrio; bacteria; biofilm; carbohydrates; complementary foods; diet; energy metabolism; intestinal microorganisms; intestines; principal component analysis; shrimp; vitamins
Abstract:
... The effect using biofilm as complementary feed for shrimp (Penaeus vannamei) on the taxonomic and functional profile of its intestinal microbiota was evaluated. Shrimp were cultured for 30 days in two similar low‐water exchange systems, one using commercial feed and the other a combination of commercial feed with biofilm as complementary feed source. Six bacteria phyla were detected in the intesti ...
DOI:
10.1111/anu.12868

52. Biofilm formation behaviour of marine filamentous cyanobacterial strains in controlled hydrodynamic conditions

Author:
Maria J. Romeu; Patrícia Alves; João Morais; João M. Miranda; Ed.D. de Jong; Jelmer Sjollema; Vítor Ramos; Vitor Vasconcelos; Filipe J. M. Mergulhão
Source:
Environmental microbiology 2019 v.21 no.11 pp. 4411-4424
ISSN:
1462-2912
Subject:
Cyanobacteria; biofilm; biofouling; cell adhesion; economic impact; ecosystems; glass; hydrodynamics; tomography
Abstract:
... Marine biofouling has severe economic impacts and cyanobacteria play a significant role as early surface colonizers. Despite this fact, cyanobacterial biofilm formation studies in controlled hydrodynamic conditions are scarce. In this work, computational fluid dynamics was used to determine the shear rate field on coupons that were placed inside the wells of agitated 12‐well microtiter plates. Bio ...
DOI:
10.1111/1462-2920.14807

53. Biogeochemical specificity of adjacent natural carbonated spring waters from Swiss Alps promptly revealed by SERS and Raman technology

Author:
Simona Cinta Pinzaru; Mircea Ardeleanu; Ioana Brezestean; Fran Nekvapil; Monica M. Venter
Source:
Analytical methods 2019 v.11 no.6 pp. 800-812
ISSN:
1759-9679
Subject:
Cyanobacteria; Raman spectroscopy; ambient temperature; anions; beta-carotene; carbonates; evaporation; nanosilver; salt content; spectral analysis; springs (water); sulfates; Alps region; Switzerland
Abstract:
... The inorganic salt content and microbiological properties of the mineral waters from the old and famous springs of Tarasp in the lower Engadin Valley of the Swiss Alps have been simultaneously assessed using silver nanoparticles and the surface enhanced Raman scattering (SERS) technique in conjunction with normal Raman scattering. The raw mineral waters collected from four distinct, adjacent natur ...
DOI:
10.1039/c8ay02580k

54. Biogeographical Patterns of Endolithic Infestation in an Invasive and an Indigenous Intertidal Marine Ecosystem Engineer

Author:
Aldwin Ndhlovu; Christopher D. McQuaid; Katy Nicastro; Nathalie Marquet; Marcos Gektidis; Cristián J. Monaco; Gerardo Zardi
Source:
Diversity 2019 v.11 no.5 pp. -
ISSN:
1424-2818
Subject:
Cyanobacteria; Mytilus galloprovincialis; Perna perna; biogeography; coasts; ecosystem engineers; engineering; environmental factors; geographical distribution; habitats; hosts; littoral zone; marine ecosystems; mortality; mussels; parasites; parasitism; phenotype; species diversity; subtropics; surveys; temperate zones
Abstract:
... By altering the phenotypic properties of their hosts, endolithic parasites can modulate the engineering processes of marine ecosystem engineers. Here, we assessed the biogeographical patterns of species assemblages, prevalence and impact of endolithic parasitism in two mussel species that act as important ecosystem engineers in the southern African intertidal habitat, Perna perna and Mytilus gallo ...
DOI:
10.3390/d11050075

55. Biogeography and Diversity of Freshwater Bacteria on a River Catchment Scale

Author:
Jie Liu; Teng Tu; Guanghai Gao; Mark Bartlam; Yingying Wang
Source:
Microbial ecology 2019 v.78 no.2 pp. 324-335
ISSN:
0095-3628
Subject:
Bacteroidetes; Cyanobacteria; Proteobacteria; bacteria; bacterial communities; biodiversity; biogeography; community structure; denaturing gradient gel electrophoresis; dissolved oxygen; flow cytometry; freshwater; geographical distribution; latitude; longitude; models; pH; plate count; rivers; sequence analysis; temperature; variance; watersheds
Abstract:
... To illustrate how freshwater bacterial community changes with geographic gradient, we investigated the spatial changes of bacterial abundance and community structures from over 200 samples on a catchment scale in the Songhua River using heterotrophic plate counts, flow cytometry, denaturing gradient gel electrophoresis, and pyrosequencing analysis. The results showed that the mainstream had higher ...
DOI:
10.1007/s00248-019-01323-9

56. Bioindication of the Influence of Oil Production on Sphagnum Bogs in the Khanty-Mansiysk Autonomous Okrug–Yugra, Russia

Author:
Olga Skorobogatova; Elvira Yumagulova; Tatiana Storchak; Sophia Barinova
Source:
Diversity 2019 v.11 no.11 pp. -
ISSN:
1424-2818
Subject:
Bacillariophyceae; Charophyta; Cyanobacteria; Euglenozoa; Sphagnum; algae; bogs; decision making; ecosystems; monitoring; oil fields; oils; pH; pollution; salinity; species richness; Russia
Abstract:
... Algal diversity in the bogs of the Ershov oil field of the Khanty-Mansiysk Autonomous Okrug–Yugra (KMAO-Yugra) with the gradient of oil pollution between 255 and 16,893 mg kg−1 has been studied with the help of bioindication methods and ecological mapping. Altogether 91 species, varieties, and forms of algae and cyanobacteria from seven divisions have been revealed for the first time f ...
DOI:
10.3390/d11110207

57. Biological hydrogen production: molecular and electrolytic perspectives

Author:
Ganesh Mahidhara; Hannah Burrow; Ch. Sasikala; Ch. V. Ramana
Source:
World journal of microbiology & biotechnology 2019 v.35 no.8 pp. 116
ISSN:
0959-3993
Subject:
Cyanobacteria; Rhodospirillaceae; air pollution; bioprocessing; electrolysis; electrons; energy; enzymes; fermentation; fossil fuels; genetic engineering; hydrogen; hydrogen production; microbial fuel cells; microorganisms; oxygen; photolysis; photosynthesis; protons; solar energy
Abstract:
... Exploration of renewable energy sources is an imperative task in order to replace fossil fuels and to diminish atmospheric pollution. Hydrogen is considered one of the most promising fuels for the future and implores further investigation to find eco-friendly ways toward viable production. Expansive processes like electrolysis and fossil fuels are currently being used to produce hydrogen. Biologic ...
DOI:
10.1007/s11274-019-2692-z

58. Biological manipulation of eutrophication in West Yangchen Lake

Author:
Chunfang Cai; Jie He; Wen Chen; Junbiao Zhang; Qianqian Wang; Xuehong Song; Yuantu Ye; Yongling Wang; Ping Wu; Xiamin Cao
Source:
Aquaculture and fisheries 2019 v.4 no.5 pp. 190-197
ISSN:
2096-1758
Subject:
Cyanobacteria; Hypophthalmichthys molitrix; Hypophthalmichthys nobilis; algae; aquaculture; biomass; carp; chlorophyll; eutrophication; lakes; temperature; total nitrogen; total phosphorus; water quality
Abstract:
... This paper aims to share findings on nonclassical biomanipulation from a field study on eutrophic West Yangcheng (WY) Lake. In the forty years before 2009, cyanobacteria frequently bloomed in WY Lake, an event which has not occurred since 2009. The stocking density of filter-feeding carp was estimated to be more than 50 g/m3 in July after 2009, approximately double the amount observed before 2009, ...
DOI:
10.1016/j.aaf.2019.03.001

59. Biological sources of sedimentary organic matter in Neoproterozoic–Lower Cambrian shales in the Sichuan Basin (SW China): Evidence from biomarkers and microfossils

Author:
Ning Wang; Meijun Li; Haitao Hong; Daofu Song; Xingwang Tian; Peng Liu; Ronghui Fang; Guo Chen; Maolin Wang
Source:
Palaeogeography, palaeoclimatology, palaeoecology 2019 v.516 pp. 342-353
ISSN:
0031-0182
Subject:
Bacillariophyceae; Cambrian period; Cyanobacteria; Ediacaran period; Miozoa; Pelagophyceae; Rhizobiales; algae; ancestry; basins; biomarkers; carbon; methane; methanotrophs; microfossils; organic matter; shale; stable isotopes; China
Abstract:
... Study of the occurrence and formation of sedimentary organic matter in the Sichuan Basin, southern China, provides valuable insights into the biological sources and compositions of Neoproterozoic to Lower Cambrian shales. Rock samples from two sets of shales in the Sichuan Basin and adjacent areas, including the Ediacaran Doushantuo shale and the Lower Cambrian Qiongzhusi shale in the Gaoshiti-Mox ...
DOI:
10.1016/j.palaeo.2018.12.012

60. Biomagnification characteristics and health risk assessment of the neurotoxin BMAA in freshwater aquaculture products of Taihu Lake Basin, China

Author:
Xiang Wu; Hao Wu; Xiaoxiao Gu; Rongfei Zhang; Jinyun Ye; Qiang Sheng
Source:
Chemosphere 2019 v.229 pp. 332-340
ISSN:
0045-6535
Subject:
Anodonta; Corbicula fluminea; Ctenopharyngodon idella; Cyanobacteria; Eriocheir sinensis; Macrobrachium nipponense; Mylopharyngodon piceus; adults; bioaccumulation; children; computer software; ecosystems; environmental models; food quality; freshwater; freshwater aquaculture; health effects assessments; high performance liquid chromatography; isotopes; lakes; neurotoxicity; neurotoxins; nitrogen; pollutants; reproduction; risk; tandem mass spectrometry; trophic levels; watersheds; China
Abstract:
... In freshwater aquaculture ecosystems with high-frequency occurrences of cyanobacteria blooms, a chronic neurotoxic cyanobacteria toxin, β-N-methylamino-l-alanine (BMAA), is a new pollutant that affects the normal growth, development, and reproduction of aquaculture organisms. BMAA poses a great threat to the food quality and food safety of aquatic products. In this paper, high-performance liquid c ...
DOI:
10.1016/j.chemosphere.2019.04.210

61. Bioremediation of eutrophic water and control of cyanobacterial bloom by attached periphyton

Author:
S.-R. Ko; A. Srivastava; N. Lee; L. Jin; H.-M. Oh; C.-Y. Ahn
Source:
International journal of environmental science and technology 2019 v.16 no.8 pp. 4173-4180
ISSN:
1735-1472
Subject:
Cyanobacteria; biomass production; bioremediation; eutrophication; microalgae; microcystins; nutrients; periphyton; temperature; Korean Peninsula
Abstract:
... Diverse methods have been applied to control cyanobacterial bloom, but no universal method has been developed. Periphytons (attached microalgae) compete with cyanobacteria for nutrients and thus were cultivated and regularly harvested for nutrient reduction and bloom control. Four mesocosms, with different amounts of supporting materials, were constructed in Daechung Reservoir, Korea. Cyanobacteri ...
DOI:
10.1007/s13762-019-02320-8

62. Blood-brain barrier disruption and inflammation reaction in mice after chronic exposure to Microcystin-LR

Author:
Jing Wang; Changliang Zhang; Jinling Zhu; Jie Ding; Yabing Chen; Xiaodong Han
Source:
Science of the total environment 2019 v.689 pp. 662-678
ISSN:
0048-9697
Subject:
Cyanobacteria; astrocytes; blood-brain barrier; brain; chronic exposure; drinking water; eutrophication; hepatotoxicity; human health; inflammation; mice; microcystin-LR; neurotoxicity; neutrophil collagenase; risk; transcription factor NF-kappa B
Abstract:
... Microcystin-leucine-arginine (MC-LR), which produced by toxic cyanobacteria and widely present in eutrophic waters, has been shown to have potent acute hepatotoxicity. MC-LR has been revealed to inflict damage to brain, while the neurotoxicity of chronic exposure to MC-LR and mechanisms underlying it are still confusing. Here, the mice were exposed to MC-LR dissolved in drinking water at dose of 1 ...
DOI:
10.1016/j.scitotenv.2019.06.387

63. Boosting the monitoring of phytoplankton in optically complex coastal waters by combining pigment-based chemotaxonomy and in situ radiometry

Author:
Marju Tamm; Martin Ligi; Kristel Panksep; Karolin Teeveer; Rene Freiberg; Peeter Laas; Birgot Paavel; Tiit Kutser; Anu Reinart; Ilmar Tõnno; Tiina Nõges
Source:
Ecological indicators 2019 v.97 pp. 329-340
ISSN:
1470-160X
Subject:
Cyanobacteria; Miozoa; algorithms; biomass; chemotaxonomy; chlorophyll; coastal water; community structure; environmental indicators; high performance liquid chromatography; microscopy; monitoring; phytoplankton; radiometry; reflectance; reflectance spectroscopy; remote sensing; toxicity; water quality; Baltic Sea
Abstract:
... Research about the occurrence and extent of the cyanobacterial blooms in the Baltic Sea is critical due to their increased magnitude and frequency. Monitoring of the blooms is complicated due to their spatially and temporally heterogeneous nature. For adequate assessment of the water quality, phytoplankton dynamics needs to be tracked in large areas with high monitoring frequency. The main objecti ...
DOI:
10.1016/j.ecolind.2018.10.024

64. Both lake regime and fish introduction shape autotrophic planktonic communities of lakes from the Patagonian Plateau (Argentina)

Author:
Juan Francisco Saad; Sol Porcel; Julio Lancelotti; Inés O’Farrell; Irina Izaguirre
Source:
Hydrobiologia 2019 v.831 no.1 pp. 133-145
ISSN:
0018-8158
Subject:
Cyanobacteria; ecosystems; habitats; hosts; lakes; physicochemical properties; phytoplankton; spring; summer; surface water; trout; uncertainty; Argentina
Abstract:
... Strobel Plateau hosts more than 1,500 shallow lakes displaying different water regimes, which constitute the habitat for many species. Although the region is naturally fishless, many of the lakes were stocked with trout, bearing uncertainty about the possible effects on the ecosystem. The main objective of this study was to analyze the characteristics of planktonic autotrophic communities of lakes ...
DOI:
10.1007/s10750-018-3660-6

65. Browning reduces the availability—but not the transfer—of essential fatty acids in temperate lakes

Author:
Oscar E. Senar; Irena F. Creed; Ursula Strandberg; Michael T. Arts
Source:
Freshwater biology 2019 v.64 no.12 pp. 2107-2119
ISSN:
0046-5070
Subject:
Ciliophora; Cladocera; Copepoda; Cyanobacteria; biomass; community structure; dissolved organic carbon; docosahexaenoic acid; eicosapentaenoic acid; essential fatty acids; food webs; lakes; nutrient requirements; nutrients; phytoplankton; primary productivity; seston; total phosphorus; zooplankton; Ontario
Abstract:
... Atmospheric changes are leading to the browning of northern lakes (i.e. increases in catchment‐derived dissolved organic matter [DOM]), consequently altering phytoplankton biomass and community composition. We hypothesised that lake browning and the concurrent increase in nutrients drive a shift towards greater cyanobacteria biomass. We further hypothesised that, as a consequence of this shift in ...
DOI:
10.1111/fwb.13399

66. Capture and Release of Phosphorus by Periphyton in Closed Water Systems Influenced by Illumination and Temperature

Author:
Yanhui Zhao; Xiaofei Chen; Xiong Xiong; Chenxi Wu
Source:
Water 2019 v.11 no.5 pp. -
ISSN:
2073-4441
Subject:
Cyanobacteria; aquatic ecosystems; environmental factors; fractionation; lighting; nutrients; periphyton; phosphorus; photons; sediments; temperature
Abstract:
... Periphyton is known to play an important role in the self-purification of aquatic ecosystems. However, little attention has been paid to the understanding of P distribution and its partitioning influenced by the physical parameters when periphyton is separated from the sediment. In this work, the effect of periphyton on the capture and release of phosphorus in closed water systems was studied and ...
DOI:
10.3390/w11051021

67. Carbon Sequestration in Biogenic Magnesite and Other Magnesium Carbonate Minerals

Author:
Jenine McCutcheon; Ian M. Power; Jeremiah Shuster; Anna L. Harrison; Gregory M. Dipple; Gordon Southam
Source:
Environmental science & technology 2019 v.53 no.6 pp. 3225-3237
ISSN:
1520-5851
Subject:
Cyanobacteria; bioreactors; carbon dioxide; carbon markets; carbon sequestration; carbonation; coatings; greenhouse gas emissions; leaching; longevity; magnesite; magnesium carbonate; mine tailings; mining; polymers; temperature; wastewater; wetlands
Abstract:
... The stability and longevity of carbonate minerals make them an ideal sink for surplus atmospheric carbon dioxide. Biogenic magnesium carbonate mineral precipitation from the magnesium-rich tailings generated by many mining operations could offset net mining greenhouse gas emissions, while simultaneously giving value to mine waste products. In this investigation, cyanobacteria in a wetland bioreact ...
DOI:
10.1021/acs.est.8b07055

68. Care and propagation of captive pupfish from the genus Cyprinodon: insight into conservation

Author:
George C. Burg; Jaimie Johnson; Savannah Spataro; Amelia O’Keefe; Natasha Urbina; Georgina Puentedura; Matt Heuton; Sean Harris; Stanley D. Hillyard; Frank van Breukelen
Source:
Environmental biology of fishes 2019 v.102 no.8 pp. 1015-1024
ISSN:
0378-1909
Subject:
Chlorophyta; Cyanobacteria; Cyprinodon diabolis; Cyprinodon nevadensis; algae; aquarium plants; breeding; cannibalism; climate change; eggs; fish; habitats; larvae; reproductive performance; survival rate; temperature
Abstract:
... We have maintained pupfish derived from a refuge population of the critically endangered Devils Hole pupfish (Cyprinodon diabolis) and the closely related and endangered Ash Meadows pupfish (C. nevadensis mionectes) in our laboratory for 9 years at the ecologically relevant temperatures of 28 and 33 °C. We asked if insights gained by our captive husbandry could inform on what pressures may be impa ...
DOI:
10.1007/s10641-019-00887-2

69. Castles built on sand or predictive limnology in action? Part A: Evaluation of an integrated modelling framework to guide adaptive management implementation in Lake Erie

Author:
George B. Arhonditsis; Alex Neumann; Yuko Shimoda; Dong-Kyun Kim; Feifei Dong; Gabriela Onandia; Cindy Yang; Aisha Javed; Meghan Brady; Ariola Visha; Felicity Ni; Vincent Cheng
Source:
Ecological informatics 2019 v.53 pp. 100968
ISSN:
1574-9541
Subject:
Cyanobacteria; Soil and Water Assessment Tool model; adaptive management; basins; business enterprises; case studies; chlorophyll; diagenesis; dissolved oxygen; ecological models; ecosystems; fractionation; limnology; model validation; nutrient content; organic matter; philosophy; phosphorus; pollution load; prediction; rivers; sand; temperature; total phosphorus; water pollution; water quality; watersheds; zooplankton; Lake Erie
Abstract:
... We present a technical analysis of all the recent modelling work that has been conducted to support the adaptive management process in Lake Erie; the most biologically productive system of the Great Lakes. With a wealth of models developed, Lake Erie represents a unique case study where an impressive variety of data-driven and process-based models have been developed to elucidate the major watersh ...
DOI:
10.1016/j.ecoinf.2019.05.014

70. Cellular localization of tolyporphins, unusual tetrapyrroles, in a microbial photosynthetic community determined using hyperspectral confocal fluorescence microscopy

Author:
Meghan Barnhart-Dailey; Yunlong Zhang; Ran Zhang; Stephen M. Anthony; Jesse S. Aaron; Eric S. Miller; Jonathan S. Lindsey; Jerilyn A. Timlin
Source:
Photosynthesis research 2019 v.141 no.3 pp. 259-271
ISSN:
0166-8595
Subject:
Cyanobacteria; bacteria; chlorophyll; fluorescence microscopy; lighting; nitrates; photosynthesis; phycobilin; phycocyanin; spectral analysis
Abstract:
... The cyanobacterial culture HT-58-2, composed of a filamentous cyanobacterium and accompanying community bacteria, produces chlorophyll a as well as the tetrapyrrole macrocycles known as tolyporphins. Almost all known tolyporphins (A–M except K) contain a dioxobacteriochlorin chromophore and exhibit an absorption spectrum somewhat similar to that of chlorophyll a. Here, hyperspectral confocal fluor ...
DOI:
10.1007/s11120-019-00625-w

71. Challenges and opportunity of recent genome editing and multi-omics in cyanobacteria and microalgae for biorefinery

Author:
Way-Rong Lin; Shih-I Tan; Chuan-Chieh Hsiang; Po-Kuei Sung; I-Son Ng
Source:
Bioresource technology 2019 pp. -
ISSN:
0960-8524
Subject:
Cyanobacteria; DNA; aquaculture feeds; bioenergy; biorefining; carbon dioxide; carbon sequestration; carotenoids; energy; fatty acids; feedstocks; gene editing; health foods; microalgae; multiomics; photosynthesis; plants (botany); proteins; synthetic biology; value added; value-added products; vitamins
Abstract:
... Microalgae and cyanobacteria are easy to culture, with higher growth rates and photosynthetic efficiencies compared to terrestrial plants, and thus generating higher productivity. The concept of microalgal biorefinery is to assimilate carbon dioxide and convert it to chemical energy/value-added products, such as vitamins, carotenoids, fatty acids, proteins and nucleic acids, to be applied in bioen ...
DOI:
10.1016/j.biortech.2019.121932

72. Changes in soil physico-chemical properties following vegetation restoration mediate bacterial community composition and diversity in Changting, China

Author:
Xiaolong Hou; Hang Han; Mulualem Tigabu; Liping Cai; Fanrui Meng; Aiqin Liu; Xiangqing Ma
Source:
Ecological engineering 2019 v.138 pp. 171-179
ISSN:
0925-8574
Subject:
Acidobacteria; Actinobacteria; Bacteroidetes; Chloroflexi; Cyanobacteria; Firmicutes; Proteobacteria; Verrucomicrobia; bacterial communities; community structure; coniferous forests; deciduous forests; ecological restoration; forest soils; grasses; land degradation; landscapes; phosphorus; ribosomal DNA; sequence analysis; soil bacteria; soil degradation; soil density; soil organic carbon; soil pH; soil sampling; soil water content; vegetation cover; China
Abstract:
... Changes in microbial communities and drivers of their composition in different restoration approaches are largely unexplored. The aim of this study was to evaluate the effects of different ecosystem restoration approaches on bacterial community diversity and whether changes in soil physico-chemical properties are driving bacterial community dynamics. Soil samples were collected from restored lands ...
DOI:
10.1016/j.ecoleng.2019.07.031

73. Characteristics of Cyanobacterial Biomass Gasification in Sub- and Supercritical Water

Author:
Huiwen Zhang; Xiaoman Zhang; Lei Ding; Jiangya Ma; Yanli Kong
Source:
Energy & fuels 2019 v.33 no.4 pp. 3239-3247
ISSN:
1520-5029
Subject:
Cyanobacteria; ammonium nitrogen; apatite; biomass; calcium; carbon; catalysts; energy; feedstocks; fuels; gasification; hydrogen; hydrogen production; liquid fertilizers; liquids; microalgae; microcystins; nitrogen; organic wastes; phosphorus; proteins; safety assessment; synergism; temperature
Abstract:
... Hydrogen gas has been successfully produced from cultivated microalgae biomass by supercritical water gasification (SCWG). This paper describes SCWG of natural cyanobacterial biomass for hydrogen production at low temperatures (<500 °C). Natural decomposition of cyanobacteria biomass was first studied to achieve prospective H₂ production. Transformation of carbon, nitrogen, and phosphorus and the ...
DOI:
10.1021/acs.energyfuels.8b04299

74. Characteristics of intestinal microbiota in the Pacific white shrimp Litopenaeus vannamei differing growth performances in the marine cultured environment

Author:
Lanfen Fan; Qing X. Li
Source:
Aquaculture 2019 v.505 pp. 450-461
ISSN:
0044-8486
Subject:
Actinobacteria; Bacteroidetes; Chloroflexi; Cyanobacteria; Firmicutes; Litopenaeus vannamei; Ruegeria; Verrucomicrobia; bacterial communities; digestion; farms; genes; growth performance; immunity; intestinal microorganisms; intestines; ribosomal RNA; risk; sediments; shrimp
Abstract:
... The Pacific white shrimp Litopenaeus vannamei is the most widely cultivated shrimp in the world, particularly in Asia. The growth performance is a vital factor in shrimp farming. In the present study, comparisons were made among the bacterial communities in shrimp intestines and the related marine farm sediments that supported different growth performances, based on Miseq sequencing data of the V3 ...
DOI:
10.1016/j.aquaculture.2019.02.075

75. Characterization of microbial mats and halophilic virus-like particles in a eutrophic hypersaline lagoon (Vermelha Lagoon, RJ, Brazil)

Author:
S. Pennafirme; D.C. Pereira; L.G.M. Pedrosa; A.S. Machado; G.O.A. Silva; C.N. Keim; I. Lima; R.T. Lopes; I.C.N.P. Paixão; M.A.C. Crapez
Source:
Regional studies in marine science 2019 v.31 pp. 100769
ISSN:
2352-4855
Subject:
Caudovirales; Cyanobacteria; bacteria; bacterial biomass; biopolymers; dolomite; energy-dispersive X-ray analysis; environmental factors; eutrophication; hypersalinity; marine science; micro-computed tomography; nutrients; scanning electron microscopy; sediments; virus-like particles; Brazil
Abstract:
... Vermelha Lagoon is a coastal hypersaline lagoon located in Rio de Janeiro state, Brazil, and it harbors both stromatolites and living microbial mats. Due to its remarkable geological, biological and paleontological attributes, determinations of the trophic state of this lagoon may highlight the importance of the environmental conditions that drive microbial mat processes over evolutionary and geol ...
DOI:
10.1016/j.rsma.2019.100769

76. Characterization of phosphorus forms in a Eutrophic Lake, China

Author:
Fazhi Xie; Lu Li; Kang Song; Guolian Li; Fengchang Wu; John P. Giesy
Source:
Science of the total environment 2019 v.659 pp. 1437-1447
ISSN:
0048-9697
Subject:
Cyanobacteria; biodegradation; eutrophication; inorganic phosphorus; lakes; metals; nuclear magnetic resonance spectroscopy; organic phosphorus; orthophosphates; sediments; spectral analysis; stable isotopes; China
Abstract:
... In this study, molecular compositions of cyanobacteria, suspended matter, and surface sediments in the Dianchi Lake, a highly eutrophic lake, were investigated by solution and solid-state 31P nuclear magnetic resonance (NMR) spectroscopy. A solution-state 31P NMR spectral analysis of NaOH-EDTA-extracted samples revealed the presence of orthophosphate (ortho-P, 48.5%–91.2% of the total extracted ph ...
DOI:
10.1016/j.scitotenv.2018.12.466

77. Chesapeake Bay’s “forgotten” Anacostia River: eutrophication and nutrient reduction measures

Author:
Caroline M. Solomon; Melanie Jackson; Patricia M. Glibert
Source:
Environmental monitoring and assessment 2019 v.191 no.5 pp. 265
ISSN:
0167-6369
Subject:
Bacillariophyceae; Cyanobacteria; ammonium; chlorophyll; eutrophication; hypoxia; nitrates; nutrients; phytoplankton; rivers; sewage treatment; spring; summer; temperature; water quality; zeaxanthin; Chesapeake Bay; District of Columbia
Abstract:
... The Anacostia River, a Chesapeake Bay tributary running through Washington, D.C., is small but highly polluted with nutrients and contaminants. There is currently a multi-billion dollar tunnel project underway, being built in several phases, aimed at diverting effluent to sewage treatment, especially during high flow periods, and improving water quality of the Anacostia and the river into which it ...
DOI:
10.1007/s10661-019-7437-9

78. Chlorophyll nitrogen isotope values track shifts between cyanobacteria and eukaryotic algae in a natural phytoplankton community in Lake Erie

Author:
Jenan J. Kharbush; Derek J. Smith; McKenzie Powers; Henry A. Vanderploeg; David Fanslow; Rebecca S. Robinson; Gregory J. Dick; Ann Pearson
Source:
Organic geochemistry 2019 v.128 pp. 71-77
ISSN:
0146-6380
Subject:
Cyanobacteria; algae; autotrophs; biomass; chlorophyll; nitrogen; nutrient utilization; phytoplankton; primary productivity; stable isotopes; time series analysis; Lake Erie; United States
Abstract:
... Chlorophylls are produced by all photosynthetic organisms and are ideal targets for compound-specific isotopic studies of phytoplankton. In laboratory cultures, the difference between the nitrogen (N) isotope ratio (δ15N value) of chlorophyll and the δ15N value of biomass, known as εpor, varies taxonomically, yielding potential applications for studying productivity in modern and ancient environme ...
DOI:
10.1016/j.orggeochem.2018.12.006

79. Climatic Sensitivity of Dryland Soil CO2 Fluxes Differs Dramatically with Biological Soil Crust Successional State

Author:
Colin L. Tucker; Scott Ferrenberg; Sasha C. Reed
Source:
Ecosystems 2019 v.22 no.1 pp. 15-32
ISSN:
1432-9840
Subject:
Bryophyta; Cyanobacteria; ambient temperature; arid lands; biological soil crusts; carbon; carbon dioxide; carbon dioxide production; climate; drying; ecosystems; field experimentation; lichens; models; photosynthesis; plateaus; soil temperature; uncertainty; Utah
Abstract:
... Arid and semiarid ecosystems make up approximately 41% of Earth’s terrestrial surface and are suggested to regulate the trend and interannual variability of the global terrestrial carbon (C) sink. Biological soil crusts (biocrusts) are common dryland soil surface communities of bryophytes, lichens, and/or cyanobacteria that bind the soil surface together and that may play an important role in regu ...
DOI:
10.1007/s10021-018-0250-4

80. Combined effects of elevated carbon dioxide and temperature on phytoplankton-zooplankton link: A multi-influence of climate change on freshwater planktonic communities

Author:
Wei Li; Xiaoguang Xu; Jingmei Yao; Nobuyuki Tanaka; Osamu Nishimura; Hua Ma
Source:
Science of the total environment 2019 v.658 pp. 1175-1185
ISSN:
0048-9697
Subject:
Bacillariophyceae; Chlorophyta; Cyanobacteria; Daphnia magna; algae; algae culture; biomass; carbon; carbon dioxide; carbon dioxide enrichment; climate change; fatty acid composition; freshwater; freshwater ecosystems; phosphorus; phytoplankton; polyunsaturated fatty acids; temperature; zooplankton
Abstract:
... It is essential to understand the combined effects of elevated CO₂ and temperature on phytoplankton-zooplankton link when attempting to predict climate change responses of freshwater ecosystems. Phytoplankton species differ in stoichiometric and fatty acids composition, and this may result in phytoplankton-mediated effect on zooplankton at elevated CO₂ and temperature. Beyond the isolated analysis ...
DOI:
10.1016/j.scitotenv.2018.12.180

81. Combining solar irradiation with chlorination enhances the photochemical decomposition of microcystin-LR

Author:
Xinran Zhang; Jun He; Yu Lei; Zhimin Qiu; Shuangshuang Cheng; Xin Yang
Source:
Water research 2019 v.159 pp. 324-332
ISSN:
0043-1354
Subject:
Cyanobacteria; algal blooms; byproducts; chlorination; chlorine; dechlorination; disinfection; drinking water; energy efficiency; human health; hydroxyl radicals; irradiation; microcystin-LR; ozone; pH; photolysis; rural areas; solar radiation; toxicity
Abstract:
... Microcystin-LR (MC-LR) generated by cyanobacteria is a potent toxin threatening human health. In this study the kinetics and mechanisms of MC-LR elimination from drinking water under solar irradiation with free chlorine (the solar/chlorine process) was evaluated. The rate of MC-LR degradation was dramatically enhanced in the solar/chlorine process (1.1 × 10−2 s−1) compared with chlorination alone ...
DOI:
10.1016/j.watres.2019.05.030

82. Community Structures of Bacteria, Archaea, and Eukaryotic Microbes in the Freshwater Glacier Lake Yukidori-Ike in Langhovde, East Antarctica

Author:
Aoi Chaya; Norio Kurosawa; Akinori Kawamata; Makiko Kosugi; Satoshi Imura
Source:
Diversity 2019 v.11 no.7 pp. -
ISSN:
1424-2818
Subject:
Archaea; Bacillariophyta; Bacteroidetes; Chlorophyta; Ciliophora; Cyanobacteria; DNA; Firmicutes; bacteria; beta-Proteobacteria; biodiversity; clones; community structure; freshwater; glaciers; methanogens; microbial communities; ribosomal RNA; salinity; salt lakes; temperate zones; temperature; Antarctic region; Antarctica
Abstract:
... Since most studies about community structures of microorganisms in Antarctic terrestrial lakes using molecular biological tools are mainly focused on bacteria, limited information is available about archaeal and eukaryotic microbial diversity. In this study, the biodiversity of microorganisms belonging to all three domains in a typical Antarctic freshwater glacier lake (Yukidori-Ike) was revealed ...
DOI:
10.3390/d11070105

83. Community characteristics and ecological roles of bacterial biofilms associated with various algal settlements on coastal reefs

Author:
Jialin Li; Ting Wang; Shuxian Yu; Jie Bai; Song Qin
Source:
Journal of environmental management 2019 v.250 pp. 109459
ISSN:
0301-4797
Subject:
Actinobacteria; Cyanobacteria; Rhodophyta; algae; algae culture; artificial reefs; bacteria; bacterial communities; biofilm; coastal ecosystems; coasts; ecological function; gamma-Proteobacteria; high-throughput nucleotide sequencing; metabolism; reefs; species diversity; sulfur; symbiosis; trace elements
Abstract:
... Bacterial biofilms, which are a group of bacteria attaching to and ultimately forming communities on reefs, perform essential ecological functions in coastal ecosystems. Particularly, they may attract or repulse the settling down of opportunistic algae. However, this phenomenon and the interaction mechanism are not fully understood. This study investigated reefs from the Changdao coastal zone to d ...
DOI:
10.1016/j.jenvman.2019.109459

84. Community-level changes in periphytic biofilm caused by copper contamination

Author:
Mariana L. Sousa; Fungyi Chow; Marcelo L. M. Pompêo
Source:
Journal of applied phycology 2019 v.31 no.4 pp. 2401-2410
ISSN:
0921-8971
Subject:
Bacillariophyceae; Cyanobacteria; algicides; aquatic ecosystems; bioaccumulation; biofilm; chlorophyll; community structure; copper; food chain; mucilages; periphyton; photosynthesis; pollutants; primary productivity; sediments; temperature; toxicity
Abstract:
... Periphyton has been recognized as an important element in aquatic food chains due to its role in primary production. More recently, it has been used as bioindicator of contamination in reservoirs since biofilm analysis can support in understanding the impacts of bottom-up contaminants to the reservoirs. Copper (Cu) is one of these pollutants which has been used as an algicide; it accumulates in th ...
DOI:
10.1007/s10811-019-1734-0

85. Comparative analysis of strategies to prepare electron sinks in aquatic photoautotrophs

Author:
Ginga Shimakawa; Akio Murakami; Kyosuke Niwa; Yusuke Matsuda; Ayumi Wada; Chikahiro Miyake
Source:
Photosynthesis research 2019 v.139 no.1-3 pp. 401-411
ISSN:
0166-8595
Subject:
Angiospermae; Chlorophyta; Cryptista; Cyanobacteria; Haptophyta; Rhodophyta; algae; autotrophs; chlorophyll; electrons; embryophytes; genes; lighting; oxidation; oxygen; photorespiration; photosystem I; proteins; reactive oxygen species; risk
Abstract:
... While subject to illumination, photosystem I (PSI) has the potential to produce reactive oxygen species (ROS) that can cause photo-oxidative damage in oxygenic photoautotrophs. The reaction center chlorophyll in PSI (P700) is kept oxidized in excess light conditions to limit over-excitation of PSI and alleviate the production of ROS. Oxidation of P700 requires a sufficient electron sink for PSI, w ...
DOI:
10.1007/s11120-018-0522-z

86. Comparative network analysis revealing the mechanisms of antibiotic resistance genes removal by leachate recirculation under different hydraulic loadings

Author:
Yinglong Su; Jiaxin Wang; Huipeng Xia; Bing Xie
Source:
Science of the total environment 2019 v.649 pp. 318-326
ISSN:
0048-9697
Subject:
Acidobacteria; Cyanobacteria; Tenericutes; antibiotic resistance; antibiotic resistance genes; antibiotics; bacteria; bacterial communities; biological treatment; community structure; landfill leachates; solid wastes; topology
Abstract:
... The wide dissemination of antibiotic resistance is a pervasive global health threat, and landfill leachate has been an important hotspot of antibiotic resistance genes (ARGs). This study aimed to investigate the removal performance and mechanism of ARGs from leachate under different hydraulic loadings. ARGs removal efficiencies were dependent on hydraulic loadings and ARGs types other than operati ...
DOI:
10.1016/j.scitotenv.2018.08.361

87. Comparative studies of phytoplankton compositions as a response of water quality at North El-Manzala Lake, Egypt

Author:
M. A. Deyab; S. E. Abu Ahmed; F. M. E. Ward
Source:
International journal of environmental science and technology 2019 v.16 no.12 pp. 8557-8572
ISSN:
1735-1472
Subject:
Bacillariophyta; Cyanobacteria; alkalinity; ammonia; biomass; comparative study; fish; lakes; nitrates; pH; phytoplankton; plant density; silica; summer; surface water; water quality; water temperature; winter; Egypt
Abstract:
... El-Manzala Lake represents one of the most economical and valuable fish sources lakes in Egypt. This study aims to study the impact of physical and chemical properties of water on phytoplankton communities in North El-Manzala Lake. The number and biomass of phytoplankton, as well as physicochemical characteristics of surface water at the seven sites (Al-Baghdadi, Shatta, El-Deiba, Abo El-Ross, El ...
DOI:
10.1007/s13762-019-02409-0

88. Comparison of satellite reflectance algorithms for estimating turbidity and cyanobacterial concentrations in productive freshwaters using hyperspectral aircraft imagery and dense coincident surface observations

Author:
Richard Beck; Min Xu; Shengan Zhan; Richard Johansen; Hongxing Liu; Susanna Tong; Bo Yang; Song Shu; Qiusheng Wu; Shujie Wang; Kevin Berling; Andrew Murray; Erich Emery; Molly Reif; Joseph Harwood; Jade Young; Christopher Nietch; Dana Macke; Mark Martin; Garrett Stillings; Richard Stumpf; Haibin Su; Zhaoxia Ye; Yan Huang
Source:
Journal of Great Lakes research 2019 v.45 no.3 pp. 413-433
ISSN:
0380-1330
Subject:
Cyanobacteria; Landsat; aircraft; algae; algal blooms; algorithms; chlorophyll; covariance; freshwater; lakes; moderate resolution imaging spectroradiometer; monitoring; phycocyanin; reflectance; remote sensing; total suspended solids; turbidity; Ohio
Abstract:
... We analyzed 37 satellite reflectance algorithms and 321 variants for five satellites for estimating turbidity in a freshwater inland lake in Ohio using coincident real hyperspectral aircraft imagery converted to relative reflectance and dense coincident surface observations. This study is part of an effort to develop simple proxies for turbidity and algal blooms and to evaluate their performance a ...
DOI:
10.1016/j.jglr.2018.09.001

89. Composition and settling properties of suspended particulate matter in estuaries of the Chesapeake Bay and Baltic Sea regions

Author:
Paul A. Bukaveckas; Marija Katarzyte; Anne Schlegel; Renalda Spuriene; Todd Egerton; Diana Vaiciute
Source:
Journal of soils and sediments 2019 v.19 no.5 pp. 2580-2593
ISSN:
1439-0108
Subject:
Bacillariophyceae; Cyanobacteria; chlorophyll; community structure; estuaries; hydrology; organic matter; particulates; phytoplankton; rivers; summer; surface area; watersheds; Baltic Sea; Chesapeake Bay; Lithuania; United States
Abstract:
... PURPOSE: Our goal was to understand how differences in source material (allochthonous vs. autochthonous) and phytoplankton communities (diatoms vs. cyanobacteria) influence composition and settling properties of suspended particulate matter. MATERIALS AND METHODS: We characterized the composition and settling properties of suspended particulate matter in two systems—one which has a high hydrologic ...
DOI:
10.1007/s11368-018-02224-z

90. Composition of biological soil crusts from sand dunes of the Baltic Sea coast in the context of an integrative approach to the taxonomy of microalgae and cyanobacteria

Author:
Tatiana Mikhailyuk; Karin Glaser; Petro Tsarenko; Eduard Demchenko; Ulf Karsten
Source:
European journal of phycology 2019 v.54 no.3 pp. 263-290
ISSN:
1469-4433
Subject:
Chlamydomonas; Chloris; Cyanobacteria; Tetradesmus; biogeography; biological soil crusts; coasts; community structure; dominant species; dunes; genetic markers; microalgae; microorganisms; new combination; new species; phylogeny; ribosomal RNA; species diversity; taxonomic revisions; type collections; Baltic Sea; Germany
Abstract:
... Most of the data on biodiversity, ecology and biogeography of microalgae and cyanobacteria are based on classical morphological approaches. However, morphological identification of these microorganisms is often possible only to higher taxonomic ranks such as genus, because of low morphological diversity and high variability along with the presence of cryptic taxa. This study compared the species c ...
DOI:
10.1080/09670262.2018.1557257

91. Consumer adaptation mediates top–down regulation across a productivity gradient

Author:
Michael F. Chislock; Orlando Sarnelle; Lauren M. Jernigan; Vernon R. Anderson; Ash Abebe; Alan E. Wilson
Source:
Oecologia 2019 v.190 no.1 pp. 195-205
ISSN:
0029-8549
Subject:
Cyanobacteria; Daphnia; algal blooms; aquatic ecosystems; biomass; eutrophication; genotype; humans; plankton; pollution load; ponds; prediction; toxicity
Abstract:
... Humans have artificially enhanced the productivity of terrestrial and aquatic ecosystems on a global scale by increasing nutrient loading. While the consequences of eutrophication are well known (e.g., harmful algal blooms and toxic cyanobacteria), most studies tend to examine short-term responses relative to the time scales of heritable adaptive change. Thus, the potential role of adaptation by o ...
DOI:
10.1007/s00442-019-04401-4

92. Content of Photosynthetic Pigments in the Upper Volga Reservoirs (2005–2016)

Author:
N. M. Mineeva
Source:
Inland water biology 2019 v.12 no.2 pp. 161-169
ISSN:
1995-0829
Subject:
Cyanobacteria; North Atlantic Oscillation; chlorophyll; eutrophication; photosynthesis; phytoplankton; pigments; summer; water temperature
Abstract:
... Data on the composition, content, and interannual dynamics of photosynthetic pigments in water of the Upper Volga reservoirs in the summers of 2005 and 2012–2016, continuing the series of long-term observations, are given. With an average content of chlorophyll (Chl a) from 13.1 ± 1.4 to 52.5 ± 2.7 μg/L in the Ivankovo Reservoir and from 7.6 ± 1.6 to 27.5 ± 2.5 μg/L in the Uglich Reservoir, an inc ...
DOI:
10.1134/S199508291902010X

93. Continuous controlled long-term operation and modeling of a closed loop connecting an air-lift photobioreactor and an animal compartment for the development of a life support system

Author:
Laura Alemany; Enrique Peiro; Carolina Arnau; David Garcia; Laurent Poughon; Jean-François Cornet; Claude-Gilles Dussap; Olivier Gerbi; Brigitte Lamaze; Christophe Lasseur; Francesc Godia
Source:
Biochemical engineering journal 2019 pp. -
ISSN:
1369-703X
Subject:
Cyanobacteria; ecosystems; gases; hydrodynamics; light intensity; mass transfer; model validation; models; oxygen; photobioreactors; rats
Abstract:
... The MELiSSA (MicroEcological Life Support System Alternative) project is developing a closed regenerative life support system for long-term space missions by considering the integration of six biological compartments tested in a dedicated pilot plant. The technological effort of building such a closed and sustainable ecological system can also have relevant applications for intensive circular reso ...
DOI:
10.1016/j.bej.2019.107323

94. Continuous nanosecond pulsed electric field treatments foster the upstream performance of Chlorella vulgaris-based biorefinery concepts

Author:
Iris Haberkorn; Leandro Buchmann; Michèle Hiestand; Alexander Mathys
Source:
Bioresource technology 2019 v.293 pp. 122029
ISSN:
0960-8524
Subject:
Chlorella vulgaris; Cyanobacteria; biomass production; biorefining; carbon; cell proliferation; developmental stages; industry; microalgae; prokaryotic cells; protein content; pulsed electric fields; raw materials; supply chain
Abstract:
... Nanosecond pulsed electric field treatment (nsPEF) is an innovative, technology-driven, and resource-efficient approach to foster the upstream performance of microalgae-based biorefinery concepts to transform microalgae into economic more viable raw materials for the biobased industry. A processing window applying three treatments of 100 ns, 5 Hz, and 10 kV cm⁻¹ to industrially relevant phototroph ...
DOI:
10.1016/j.biortech.2019.122029

95. Contrasting responses of intertidal microphytobenthos and phytoplankton biomass and taxonomic composition to the nutrient loads in the Jiulong River Estuary

Author:
Yuyuan Xie; Lei Wang; Xin Liu; Xin Li; Yuanyong Wang; Bangqin Huang
Source:
Phycological research 2019 v.67 no.2 pp. 152-163
ISSN:
1322-0829
Subject:
Bacillariophyceae; Cyanobacteria; biodiversity; biomass; carbon; carbon cycle; chlorophyll; computer software; ecological function; ecosystems; environmental factors; estuaries; eutrophication; high performance liquid chromatography; littoral zone; nutrients; phosphates; phytoplankton; pollution load; rivers; salinity; seasonal variation; summer; surveys; taxonomy; temperature; trophic relationships; winter
Abstract:
... Microphytobenthos (MPB) and phytoplankton are important primary producers in the estuarial ecosystem, and their functions are critical to the ecosystem's biodiversity and environmental safety. The aim of this study was to compare the response of MPB and phytoplankton to the nutrient loads in a eutrophic estuary, which has seldom been studied. We used high‐performance liquid chromatography (HPLC) a ...
DOI:
10.1111/pre.12363

96. Coral microbiome database: Integration of sequences reveals high diversity and relatedness of coral‐associated microbes

Author:
Megan J. Huggett; Amy Apprill
Source:
Environmental microbiology reports 2019 v.11 no.3 pp. 372-385
ISSN:
1758-2229
Subject:
Archaea; Cyanobacteria; Ruegeria; Vibrio; bacteria; corals; databases; ecology; genes; hosts; metadata; microbiome; monophyly; ribosomal RNA
Abstract:
... Coral‐associated microorganisms are thought to play a fundamental role in the health and ecology of corals, but understanding of specific coral–microbial interactions are lacking. In order to create a framework to examine coral–microbial specificity, we integrated and phylogenetically compared 21,100 SSU rRNA gene Sanger‐produced sequences from bacteria and archaea associated with corals from prev ...
DOI:
10.1111/1758-2229.12686

97. Correction to: Effect of light and temperature on new cyanobacteria producers for geosmin and 2-methylisoborneol

Author:
Haider A. Alghanmi; Fo’ad M. Alkam; Mysoon M. AL-Taee
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 795
ISSN:
0921-8971
Subject:
2-methylisoborneol; Cyanobacteria; geosmin; temperature
Abstract:
... The original version of this article unfortunately requires correction with respect to the affiliations of some of the authors. ...
DOI:
10.1007/s10811-018-1638-4

98. Crude extract of cyanobacterium Radiocystis fernandoi strain R28 induces anemia and oxidative stress in fish erythrocytes

Author:
Marise Margareth Sakuragui; Marcelo Gustavo Paulino; Naiara Elisabete da Silva e Souza; Driele Tavares; Ana Paula Terezan; Emanuele Pesenti; Alessandra Giani; João Batista Fernandes; Marta Margarete Cestari; Marisa Narciso Fernandes
Source:
Toxicon 2019 v.169 pp. 18-24
ISSN:
0041-0101
Subject:
Cyanobacteria; DNA damage; Hoplias malabaricus; acute exposure; anemia; antioxidant activity; enzyme activity; erythrocytes; genotoxicity; glutathione; glutathione peroxidase; glutathione transferase; hemolysis; lipid peroxidation; microcystins; oxidative stress; subchronic exposure; superoxide dismutase; tropical fish; Brazil
Abstract:
... The cyanobacterium Radiocystis fernandoi has been frequently identified in cyanobacterial blooms in Brazil. Recently, R. fernandoi strain R28, which produces microcystin (MC)-RR and MC-YR, was isolated from the Furnas reservoir, Minas Gerais, Brazil. The present study evaluated the hematological variables and erythrocyte antioxidant responses, lipid peroxidation (LPO), and genotoxicity in a neotro ...
DOI:
10.1016/j.toxicon.2019.08.002

99. Cumulative impact of long-term intensive mariculture on total and active bacterial communities in the core sediments of the Ailian Bay, North China

Author:
Yantao Liang; Yongyu Zhang; Chao Zhou; Hongmei Li; Xuming Kang; Long Wang; Jinming Song; Nianzhi Jiao
Source:
Science of the total environment 2019 v.691 pp. 1212-1224
ISSN:
0048-9697
Subject:
Acidobacteria; Clostridia; Cyanobacteria; DNA; Spirochaetes; bacterial communities; beta-Proteobacteria; biogeochemistry; coastal sediments; delta-Proteobacteria; ecosystems; environmental factors; gamma-Proteobacteria; genes; macroalgae; mariculture; mutualism; nutrients; ribosomal RNA; scallops; total organic carbon; China
Abstract:
... The exponential growth of off-shore mariculture worldwide over the last 20 years has had significant impact on coastal sediment biogeochemistry. However, there are no long-term records of the cumulative impacts of mariculture on the benthic bacterial community. Here, total (DNA) and active (RNA) bacterial community compositions were characterized using MiSeq sequencing of 16S rRNA gene in four cor ...
DOI:
10.1016/j.scitotenv.2019.07.200

100. Cu⁺ Contributes to the Orange Carotenoid Protein-Related Phycobilisome Fluorescence Quenching and Photoprotection in Cyanobacteria

Author:
Wenjing Lou; Benjamin M. Wolf; Robert E. Blankenship; Haijun Liu
Source:
Biochemistry 2019 v.58 no.28 pp. 3109-3115
ISSN:
1520-4995
Subject:
Cyanobacteria; absorption; anaerobic conditions; ascorbic acid; autotrophs; blue light; carotenoids; copper; energy; fluorescence; heat; lighting; photosynthesis; phycobilisome; radiation resistance; reducing agents
Abstract:
... Photosynthesis starts with absorption of light energy by using light-harvesting antenna complexes (LHCs). Overexcitation of LHCs and subsequent photosystems, however, is damaging and can be lethal. The orange carotenoid protein (OCP) protects most cyanobacteria from photodamage by dissipating excessive excitation energy harvested by phycobilisomes (PBS, LHCs) as heat. OCP has two states: the orang ...
DOI:
10.1021/acs.biochem.9b00409