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You searched for: Journal name Journal of applied phycology Remove constraint Journal name: Journal of applied phycology Publication year rev 7981-2019 Remove constraint Publication year rev: 7981-2019 Source 2019 v.31 no.1 Remove constraint Source: 2019 v.31 no.1
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1. Acclimation responses of immobilized N2-fixing heterocystous cyanobacteria to long-term H2 photoproduction conditions: carbon allocation, oxidative stress and carotenoid production

Author:
Gayathri Murukesan; Fiona Lynch; Yagut Allahverdiyeva; Sergey Kosourov
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 131-143
ISSN:
0921-8971
Subject:
Anabaena; Calothrix; D1 protein; acclimation; air; alpha-tocopherol; antioxidant activity; argon (noble gases); carbon; carbon dioxide; carotenoids; gas production (biological); glycogen; glycosylation; headspace analysis; hydrogen; hydrogen production; mutants; nitrogen fixation; oxidative stress; protein content
Abstract:
... This study investigates the acclimation of N₂-fixing heterocystous cyanobacteria to long-term H₂ photoproduction. Wild-type Calothrix sp. 336/3, Anabaena sp. PCC 7120, and the uptake hydrogenase-deficient mutant (ΔhupL) of Anabaena sp. PCC 7120 were entrapped within Ca²⁺-alginate films and subjected to an argon (Ar) atmosphere containing 6% CO₂. Every third day, the atmosphere was changed to Ar +  ...
DOI:
10.1007/s10811-018-1535-x

2. Agar yield from R-phycoerythrin extraction by-product of the red alga Gracilaria verrucosa

Author:
Fethi Mensi
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 741-751
ISSN:
0921-8971
Subject:
Gracilaria verrucosa; agar; byproducts; coproducts; enzymatic hydrolysis; experimental design; response surface methodology; temperature
Abstract:
... R-phycoerythrin (RPE) extracted from the red alga Gracilaria verrucosa by enzymatic hydrolysis generates a large amount of coproduct containing agar. We developed a process for the sequential extraction of RPE and agar. A Box–Behnken design with three factors–three levels and response surface methodology were applied to study the influence of different extraction parameters (incubation temperature ...
DOI:
10.1007/s10811-018-1533-z

3. Antioxidant properties and lipid composition of selected microalgae

Author:
Arjun H. Banskota; Sandra Sperker; Roumiana Stefanova; Patrick J. McGinn; Stephen J. B. O’Leary
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 309-318
ISSN:
0921-8971
Subject:
2,2-diphenyl-1-picrylhydrazyl; Ettlia oleoabundans; Nannochloropsis; Phaeodactylum tricornutum; Porphyridium; Scenedesmus obliquus; Tetraselmis chuii; beta-carotene; biomass; dose response; fatty acid composition; freeze drying; hydrophilicity; lipid content; lipophilicity; lutein; methanol; microalgae; oxygen radical absorbance capacity; polyunsaturated fatty acids; regression analysis; zeaxanthin
Abstract:
... Marine and freshwater microalgae were evaluated for their antioxidant properties and lipid composition. Both lipophilic (L) and hydrophilic (H) oxygen radical absorbance capacity (ORAC) values were measured. Among the tested microalgae, the marine microalga Nannochloropsis granulata showed the highest total ORAC value at 6948 μmol TE (100 g)⁻¹, followed by the freshwater species Neochloris oleoabu ...
DOI:
10.1007/s10811-018-1523-1

4. Antioxidative responses of Nostoc ellipsosporum and Nostoc piscinale to salt stress

Author:
Maryam Rezayian; Vahid Niknam; Mohammad Ali Faramarzi
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 157-169
ISSN:
0921-8971
Subject:
Nostoc ellipsosporum; biomass; catalase; catechol oxidase; developmental stages; energy transfer; hydrogen peroxide; malondialdehyde; peroxidase; phycocyanin; phycoerythrin; polyphenols; proline; salinity; salt stress; selection pressure; sodium chloride; superoxide dismutase
Abstract:
... The responses of the cyanobacteria Nostoc ellipsosporum and Nostoc piscinale to salt stress during various growth stages were studied. Nostoc ellipsosporum was more NaCl tolerant and attained more biomass under salinity than N. piscinale. Accumulation of proline was detected in N. ellipsosporum under salinity stress. Malondialdehyde content decreased in both species on day 9 (mid log phase) under ...
DOI:
10.1007/s10811-018-1506-2

5. Approaches for the sustainable production of fucoxanthin, a xanthophyll with potential health benefits

Author:
Amirreza Zarekarizi; Linn Hoffmann; David Burritt
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 281-299
ISSN:
0921-8971
Subject:
antioxidant activity; bioactive compounds; biochemical pathways; cell culture; genetic engineering; humans; light harvesting complex; lutein; microalgae; photosynthesis
Abstract:
... Fucoxanthin is a xanthophyll and one of the main marine carotenoids. It is present in macro- and micro-algae as a component of photosynthetic light-harvesting complexes. Fucoxanthin has been shown to be bioactive in a variety of model systems, having antioxidant, anti-cancer, anti-diabetic, anti-obesity, anti-aging, anti-angiogenic, and anti-metastatic effects in animals. Fucoxanthin has been prov ...
DOI:
10.1007/s10811-018-1558-3

6. Biodegradation of phenol by Isochrysis galbana screened from eight species of marine microalgae: growth kinetic models, enzyme analysis and biodegradation pathway

Author:
Yuejie Wang; Fanping Meng; Hao Li; Shilin Zhao; Qunqun Liu; Yufei Lin; Guoshan Wang; Jiangyue Wu
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 445-455
ISSN:
0921-8971
Subject:
Isochrysis galbana; biodegradation; catechol; growth models; intracellular enzymes; kinetics; metabolism; microalgae; phenol
Abstract:
... Isochrysis galbana MACC/H59 was screened from eight strains of marine microalgae to investigate its capability for phenol biodegradation. Batch incubation experiments were performed for 25 to 200 mg L⁻¹ initial phenol concentrations. Five growth inhibitory kinetic models were used to fit the experimental data. The specific activities of phenol hydroxylase and catechol dioxygenase in I. galbana are ...
DOI:
10.1007/s10811-018-1517-z

7. Comparative detection of Karenia mikimotoi by exponential rolling circle amplification (E-RCA) and double-ligation E-RCA

Author:
Chunyun Zhang; Rui Sun; Yuanyuan Wang; Guofu Chen; Changlu Guo; Jin Zhou
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 505-518
ISSN:
0921-8971
Subject:
Karenia mikimotoi; color; dyes; monitoring; poisonous algae; polymerase chain reaction; ribosomal DNA; temperature; toxicity
Abstract:
... Karenia mikimotoi is a globally distributed, toxic, bloom-forming dinoflagellate. The development of rapid, precise and sensitive detection methods is essential for the field monitoring of this harmful alga. In this study, exponential rolling circle amplification (E-RCA) and double-ligation E-RCA (dlE-RCA) were established for the detection of K. mikimotoi. The partial large subunit rDNA (D1–D2) o ...
DOI:
10.1007/s10811-018-1584-1

8. Comparison of growth characteristics and nitrogen removal capacity of five species of green algae

Author:
Junping Lv; Xuechun Wang; Jia Feng; Qi Liu; Fangru Nan; Xiaoyan Jiao; Shulian Xie
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 409-421
ISSN:
0921-8971
Subject:
Chlorella vulgaris; Chlorococcum; Parachlorella kessleri; Scenedesmus obliquus; Scenedesmus quadricauda; ammonium; biomass; microalgae; nitrates; nitrogen; pH; pollution control; wastewater
Abstract:
... Five common used green algae species, Chlorella vulgaris, Chlorococcum sp. GD, Parachlorella kessleri TY, Scenedesmus obliquus, and Scenedesmus quadricauda, were evaluated for their growth and nitrogen removal properties when being cultivated in synthetic wastewater with ammonium and nitrate as nitrogen sources. The five microalgae could adapt wastewater with different kinds of nitrogen sources, b ...
DOI:
10.1007/s10811-018-1542-y

9. Contrasting effects of two storage temperatures on the microbial, physicochemical, and sensory properties of two fresh red seaweeds, Palmaria palmata and Gracilaria tikvahiae

Author:
Dhriti Nayyar; Denise I. Skonberg
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 731-739
ISSN:
0921-8971
Subject:
Gracilaria tikvahiae; Palmaria palmata; cold storage; color; drip loss; macroalgae; marketing; minimally processed foods; raw vegetables; sensory evaluation; sensory properties; storage temperature; texture
Abstract:
... The effects of two storage temperatures, 2 and 7 °C, were investigated on the quality changes of fresh red seaweeds, Palmaria palmata and Gracilaria tikvahiae. Microbial, sensory, and physiochemical properties of the seaweeds were evaluated during 2 weeks of refrigerated storage. The results indicated that the causes and rates of quality loss were species specific, with P. palmata deteriorating fa ...
DOI:
10.1007/s10811-018-1545-8
CHORUS:
10.1007/s10811-018-1545-8

10. 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

11. Correlation of carbonic anhydrase and Rubisco in the growth and photosynthesis in the diatom Phaeodactylum tricornutum

Author:
Xiaopeng Zeng; Peng Jin; Jianrong Xia; Yuxian Liu
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 123-129
ISSN:
0921-8971
Subject:
Phaeodactylum tricornutum; acetazolamide; carbon; carbon dioxide fixation; carbonate dehydratase; coevolution; oxygen production; photosynthesis; phytoplankton; ribulose-bisphosphate carboxylase; synergism
Abstract:
... Carbonic anhydrase (CA) and ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) are critical enzymes involved in the CO₂-concentrating mechanism (CCM) and carbon fixation in phytoplankton. These enzymes play key roles in photosynthetic carbon acquisition and fixation in diatoms. However, the potential synergistic interactions of the said enzymes remain little understood. In the present study ...
DOI:
10.1007/s10811-018-1537-8

12. Culture of Chondracanthus teedei and Gracilariopsis longissima in a traditional salina from southern Spain

Author:
Ricardo Bermejo; Manuel Macías; Claudia L. Cara; Josefina Sánchez-García; Ignacio Hernández
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 561-573
ISSN:
0921-8971
Subject:
Chondracanthus; Gracilariopsis; evaporation; fish culture; hydrodynamics; macroalgae; nutrients; polypropylenes; ponds; ropes; salinity; seedlings; spring; temperature; thallus; winter; Spain
Abstract:
... The cultivation of two red macroalgal species, Chondracanthus teedei (Martens ex Roth) and Gracilariopsis longissima (S.G. Gmelin) Steentoft M, L.M. Irvine & W.F. Farnham, was assessed in a traditional salina, a system of earthen ponds used for marine salt extraction taking advantages of solar evaporation and tidal cycle. Vegetative thalli of both species were cultivated in rafts holding polypropy ...
DOI:
10.1007/s10811-018-1516-0

13. Detection of glycidic receptors in microalgae using glycodendrons as probes: a new tool for studies on cell surface interactions

Author:
Cíntia de Almeida Gonçalves; Rute Cunha Figueiredo; Alessandra Giani; Daniel Collado; Ezequiel Pérez-Inestrosa; Javier Rojo; Cleber Cunha Figueredo
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 211-221
ISSN:
0921-8971
Subject:
adhesion; animals; bacteria; biological properties and phenomena; cell membranes; extracellular matrix; fucose; fungi; lectins; mannose; microalgae; receptors; surface interactions
Abstract:
... Cell recognition, adhesion, and internalization are involved in infectious, reproductive, and inflammatory processes and are generally mediated by interactions between molecules located in the cell membrane and the extracellular matrix. These processes can decrease proliferation rates and they are well known for bacteria, fungi, and animals, but there is a lack of knowledge regarding autotrophic c ...
DOI:
10.1007/s10811-018-1555-6

14. Effectiveness of Parachlorella kessleri cell disruption evaluated with the use of laser light scattering methods

Author:
Agata Piasecka; Jolanta Cieśla; Magdalena Koczańska; Izabela Krzemińska
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 97-107
ISSN:
0921-8971
Subject:
Parachlorella kessleri; absorbance; biotechnology; electrophoresis; hydrodynamics; light scattering; metabolites; microalgae; monitoring; sonication; ultrasonic treatment
Abstract:
... The main objective of this study is to demonstrate the possibilities of using laser light scattering methods, dynamic light scattering and laser Doppler electrophoresis, as suitable methods in investigations of algal production biosystems and biotechnology. This paper highlights the innovative use of the dynamic light scattering (DLS) methods for monitoring the destruction of Parachlorella kessler ...
DOI:
10.1007/s10811-018-1583-2

15. Effects of CO2 supply on growth and photosynthetic ability of young sporophytes of the economic seaweed Sargassum fusiforme (Sargassaceae, Phaeophyta)

Author:
Heng Jiang; Dinghui Zou; Wenyong Lou; Jingyu Gong
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 615-624
ISSN:
0921-8971
Subject:
Sargassum fusiforme; carbon dioxide; climate change; commercial farms; macroalgae; pH; photons; photosynthetic electron transport; photosystem II; seawater; sporophytes; temperature
Abstract:
... Young sporophytes of Sargassum fusiforme were cultured at decreased CO₂ (20 μatm), ambient CO₂ (400 μatm), and high CO₂ (1000 μatm), and then the quantum efficiency of open photosystem II (Fᵥ′/Fₘ′), initial slope of the rapid light curves (α), and relative maximum photosynthetic electron transport rate (rETRₘ) of the algae under different temperatures and light levels were measured. The study aime ...
DOI:
10.1007/s10811-018-1569-0

16. Enlightening the dark side of Arthrospira maxima cultivation: evaluation of carbon supply modes and performance at optimal growth conditions

Author:
Raquel Rezende dos Santos; Ricardo Moreira Chaloub; José Luiz de Medeiros; Ofélia de Queiroz Fernandes Araújo
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 9-19
ISSN:
0921-8971
Subject:
Spirulina maxima; biochemical compounds; biomass production; carbon dioxide; carbon dioxide fixation; cell growth; chemical oxygen demand; culture media; dissolved inorganic carbon; electrical conductivity; inorganic carbon; organic carbon; photoperiod; phytoplankton; response surface methodology; sodium bicarbonate; sugarcane; synergism; vinasse
Abstract:
... Night biomass loss due to respiratory activity can significantly impact the phytoplankton biomass productivity and the yield of specific biomolecules. A decrease in biomass loss can be achieved by cyclic two-stage cultivation (CTSC) employing an organic carbon source during the dark phase of the photoperiod. Thus, sugarcane vinasse was used as carbon supply in CTSC to influence the Arthrospira max ...
DOI:
10.1007/s10811-018-1578-z

17. Environmental and nutrient conditions influence fucoxanthin productivity of the marine diatom Phaeodactylum tricornutum grown on palm oil mill effluent

Author:
Muhamad Maulana Azimatun Nur; W. Muizelaar; P. Boelen; A. G. J. Buma
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 111-122
ISSN:
0921-8971
Subject:
Phaeodactylum tricornutum; algae; bioactive compounds; carotenoids; experimental design; feedstocks; harvesting; high-value products; light intensity; nutrient content; nutrients; oil mill effluents; phosphorus; photons; response surface methodology; salinity; temperature; urea; wastewater
Abstract:
... Palm oil mill effluent (POME) is a type of wastewater posing large problems when discharged in the environment. Yet, due to its high nutrient content, POME may offer opportunities for algal growth and subsequent harvesting of high-value products. The marine diatom Phaeodactylum tricornutum is a potential feedstock diatom for bioactive compounds such as the carotenoid fucoxanthin, which has been sh ...
DOI:
10.1007/s10811-018-1563-6

18. Evaluation of biomethane potential of waste algal biomass collected from eutrophied lake: effect of source of inocula, co-substrate, and VS loading

Author:
Pushpendar Kumar; Sanjeev Kumar Prajapati; Anushree Malik; Virendra Kumar Vijay
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 533-545
ISSN:
0921-8971
Subject:
activated sludge; algae; anaerobic digestion; biogas; biomass; carbon nitrogen ratio; cattle manure; eutrophication; feces; gas production (biological); inoculum; lakes; lipids; methane; methane production; sewage sludge; water pollution; India
Abstract:
... Present study used sequential optimization of inoculum, co-substrate, and volatile solid (VS) loading rate to enhance biomethanation of waste algal biomass (HL) collected from eutrophied Hauz Khas lake, India. The mixed algal biomass was rich in lipids (45% TS) with a C/N ratio of 10.08 and 88% VS. Higher methane yield (279 mL g⁻¹ VSfₑd) was observed using inoculum from algae-cattle dung based bio ...
DOI:
10.1007/s10811-018-1585-0

19. Evaluation of kelp harvest strategies: recovery of Lessonia berteroana (Phaeophyceae, Laminariales) in Pan de Azucar, Atacama, Chile

Author:
Renato Westermeier; Pedro Murúa; David J. Patiño; Gabriela Manoli; Dieter G. Müller
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 575-585
ISSN:
0921-8971
Subject:
Lessonia; adults; autumn; concrete; harvesting; macroalgae; national parks; spring; summer; thallus; winter; Chile
Abstract:
... The brown alga, Lessonia berteroana, is the most exploited seaweed in South America, with majority of landings in northern Chile. We conducted population studies in a L. berteroana bed at the Pan de Azucar National Park in order to evaluate recovery potential under different harvest schemes. In an intact sub-population, L. berteroana size tendency varies with season, between median values of 150 c ...
DOI:
10.1007/s10811-018-1500-8

20. Examination of carbohydrate and lipid metabolic changes during Haematococcus pluvialis non-motile cell germination using transcriptome analysis

Author:
Qianqian Li; Litao Zhang; Jianguo Liu
Source:
Journal of applied phycology 2019 v.31 no.1 pp. 145-156
ISSN:
0921-8971
Subject:
Haematococcus pluvialis; RNA; acetyl coenzyme A; alpha-amylase; carbon; cytokinesis; fatty acids; fructose-bisphosphate aldolase; gene expression regulation; genes; germination; glycolysis; isozymes; lipid metabolism; mitosis; pentose phosphate cycle; pyruvate kinase; starch; transcriptomics; tricarboxylic acid cycle; zoospores
Abstract:
... During the complex Haematococcus pluvialis life cycle, germination from non-motile cells to motile cells is the key stage for cell recovery from resting spores. Three phases can be recognized: first, repeated mitotic events; next, cytokinesis to form the zoospore; and finally, a fast release of motile cells. After HiSeq 2000 sequencing of RNA collected at four time points during non-motile cell ge ...
DOI:
10.1007/s10811-018-1524-0