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1. Emerging strategies for engineering microbial communities

Author:
Tsoi, Ryan; Dai, Zhuojun; You, Lingchong
Source:
Biotechnology advances 2019
ISSN:
0734-9750
Subject:
bioremediation,   etc   ; biosynthesis; engineering; microbial communities; microorganisms;     Show all 5 Subjects
Abstract:
... From biosynthesis to bioremediation, microbes have been engineered to address a variety of biotechnological applications. A promising direction in these endeavors is harnessing the power of designer microbial consortia that consist of multiple populations with well-defined interactions. Consortia can accomplish tasks that are difficult or potentially impossible to achieve using monocultures. Despi ...
DOI:
10.1016/j.biotechadv.2019.03.011

2. Magnetosomes: biogenic iron nanoparticles produced by environmental bacteria

Author:
Dieudonné, Anissa; Pignol, David; Prévéral, Sandra
Source:
Applied microbiology and biotechnology 2019 v.103 no.9 pp. 3637-3649
ISSN:
0175-7598
Subject:
bioremediation,   etc   ; biomineralization; iron; magnetism; magnetotactic bacteria; nanoparticles; neoplasms; prokaryotic cells;     Show all 8 Subjects
Abstract:
... The scientific community’s interest in magnetotactic bacteria has increased substantially in recent decades. These prokaryotes have the particularity of synthesizing nanomagnets, called magnetosomes. The majority of research is based on several scientific questions. Where do magnetotactic bacteria live, what are their characteristics, and why are they magnetic? What are the molecular phenomena of ...
DOI:
10.1007/s00253-019-09728-9

3. Chromate tolerance and removal of bacterial strains isolated from uncontaminated and chromium-polluted environments

Author:
Tamindžija, Dragana; Chromikova, Zuzana; Spaić, Andrea; Barak, Imrich; Bernier-Latmani, Rizlan; Radnović, Dragan
Source:
World journal of microbiology & biotechnology 2019 v.35 no.4 pp. 56
ISSN:
0959-3993
Subject:
bioremediation,   etc   ; Bacillus cereus; Gram-positive bacteria; chromium; toxicity;     Show all 5 Subjects
Abstract:
... Investigation of bacterial chromate tolerance has mostly focused on strains originating from polluted sites. In the present study, we isolated 33 chromate tolerant strains from diverse environments harbouring varying concentrations of chromium (Cr). All of these strains were able to grow on minimal media with at least 2 mM hexavalent chromium (Cr(VI)) and their classification revealed that they be ...
DOI:
10.1007/s11274-019-2638-5

4. The effects of electric, magnetic and electromagnetic fields on microorganisms in the perspective of bioremediation

Author:
Beretta, Gabriele; Mastorgio, Andrea Filippo; Pedrali, Lisa; Saponaro, Sabrina; Sezenna, Elena
Source:
Re/views in environmental science and bio/technology 2019 v.18 no.1 pp. 29-75
ISSN:
1569-1705
Subject:
bioremediation,   etc   ; bioactive properties; biotechnology; electromagnetic field; magnetism; microorganisms;     Show all 6 Subjects
Abstract:
... Some studies show how exposure to fields can enhance or reduce cell activity, with possible applicative consequences in the field of biotechnology, including biological techniques for depollution. In order to identify full-scale conditions that are suitable and potentially applicable for use in electromagnetic fields to stimulate and accelerate bioremediation processes, this paper offers an examin ...
DOI:
10.1007/s11157-018-09491-9

5. Spatial, Temporal, and Phylogenetic Scales of Microbial Ecology

Author:
Ladau, Joshua; Eloe-Fadrosh, Emiley A.
Source:
Trends in microbiology 2019
ISSN:
0966-842X
Subject:
bioremediation,   etc   ; biogeochemical cycles; microbial communities; microbiology; nestedness; phylogeny;     Show all 6 Subjects
Abstract:
... Microbial communities play a major role in disease, biogeochemical cycling, agriculture, and bioremediation. However, identifying the ecological processes that govern microbial community assembly and disentangling the relative impacts of those processes has proven challenging. Here, we propose that this discord is due to microbial systems being studied at different spatial, temporal, and phylogene ...
DOI:
10.1016/j.tim.2019.03.003

6. Growth medium and nitrogen stress sparked biochemical and carotenogenic alterations in Scenedesmus sp. CCNM 1028

Author:
Ram, Shristi; Paliwal, Chetan; Mishra, Sandhya
Source:
Bioresource technology reports 2019 v.7 pp. 100194
ISSN:
2589-014X
Subject:
bioremediation,   etc   ; Scenedesmus; bioenergy; carbohydrate content; carbohydrates; culture media; freshwater; lutein; microalgae; nitrogen; starvation;     Show all 11 Subjects
Abstract:
... Microalgae are a spring of valuable compounds finding its wide applicability as cosmo-nutraceuticals, a renewable substitute for bioenergy and bioremediation. The present study utilizes Scenedesmus sp. CCNM 1028, freshwater microalgae, to understand the influence of various microalgal growth media, like BG-11, Chu's 10, Bold's basal medium (BBM) and Zarrouk's media (ZM), on the growth and lutein p ...
DOI:
10.1016/j.biteb.2019.100194

7. Formation mechanism of organo-chromium (III) complexes from bioreduction of chromium (VI) by Aeromonas hydrophila

Author:
Huang, Xue-Na; Min, Di; Liu, Dong-Feng; Cheng, Lei; Qian, Chen; Li, Wen-Wei; Yu, Han-Qing
Source:
Environment international 2019 v.129 pp. 86-94
ISSN:
0160-4120
Subject:
bioremediation,   etc   ; Aeromonas hydrophila; aquatic environment; chromium; cost effectiveness; heavy metals; humic acids; salts;     Show all 8 Subjects
Abstract:
... Chromium is a common heavy metal widely present in aquatic environments. Cost-effective remediation of chromium-contaminated environment can be realized by microbial reduction of Cr(VI) to Cr(III). The genus Aeromonas species is one of such Cr(VI) reducers, whose reduction mechanism remains unrevealed and the main factors governing the Cr(VI) reduction pathways are unknown yet. In this work, the p ...
DOI:
10.1016/j.envint.2019.05.016

8. Identification of the anchoring protein SpoIIIJ for construction of the microbial cell surface display system in Bacillus spp.

Author:
Ding, Zundan; Guan, Feifei; Yu, Xiaoxia; Li, Qingbin; Wang, Qian; Tian, Jian; Wu, Ningfeng
Source:
International journal of biological macromolecules 2019 v.133 pp. 614-623
ISSN:
0141-8130
Subject:
bioremediation,   etc   ; Bacillus subtilis; Gram-positive bacteria; aryldialkylphosphatase; binding proteins; bioinformatics; green fluorescent protein; membrane proteins; pollution;     Show all 9 Subjects
Abstract:
... Microbial cell surface display technology is a powerful tool for displaying proteins on the surfaces of cells. However, few anchoring proteins can be employed for the display of target proteins on the cell surface of the environmentally benign Gram-positive bacterium Bacillus subtilis. In this study, bioinformatics tools were used to screen all of the encoded proteins of B. subtilis for potential ...
DOI:
10.1016/j.ijbiomac.2019.04.033

9. Characterization of mercury-reducing potential bacteria isolated from Keputih non-active sanitary landfill leachate, Surabaya, Indonesia under different saline conditions

Author:
Imron, Muhammad Fauzul; Kurniawan, Setyo Budi; Soegianto, Agoes
Source:
Journal of environmental management 2019 v.241 pp. 113-122
ISSN:
0301-4797
Subject:
bioremediation,   etc   ; Pseudomonas aeruginosa; adsorbents; bacteria; landfill leachates; landfills; mercury; minimum inhibitory concentration; Indonesia;     Show all 9 Subjects
Abstract:
... The objectives of this research were to identify the capability of bacteria isolated from a non-active sanitary landfill to remove mercury under different saline conditions and to understand the removal kinetics. The mercury concentrations used in the minimum inhibitory concentration (MIC) test were 0, 5, 10, 15 and 20 mg/L. The capability of one selected bacterium from the MIC test to remove merc ...
DOI:
10.1016/j.jenvman.2019.04.017

10. Effect of various chemical oxidation reagents on soil indigenous microbial diversity in remediation of soil contaminated by PAHs

Author:
Liao, Xiaoyong; Wu, Zeying; Li, You; Cao, Hongying; Su, Chunming
Source:
Chemosphere 2019 v.226 pp. 483-491
ISSN:
0045-6535
Subject:
bioremediation,   etc   ; Pseudomonas; coal; microorganisms; oxidants; oxidation; polluted soils; polycyclic aromatic hydrocarbons; potassium permanganate; total organic carbon;     Show all 10 Subjects
Abstract:
... Chemical oxidation is a promising pretreatment step coupled with bioremediation for removal of polycyclic aromatic hydrocarbons (PAHs). The effectiveness of Fenton, modified Fenton, potassium permanganate and activated persulfate oxidation treatments on the real contaminated soils collected from a coal gas plant (263.6 ± 73.3 mg kg−1 of the Σ16 PAHs) and a coking plant (385.2 ± 39.6 mg kg−1 of the ...
DOI:
10.1016/j.chemosphere.2019.03.126

11. Exploring the glyphosate-degrading characteristics of a newly isolated, highly adapted indigenous bacterial strain, Providencia rettgeri GDB 1

Author:
Xu, Bin; Sun, Qing-Jiang; Lan, John Chi-Wei; Chen, Wen-Ming; Hsueh, Chung-Chuan; Chen, Bor-Yann
Source:
Journal of bioscience and bioengineering 2019 v.128 no.1 pp. 80-87
ISSN:
1389-1723
Subject:
bioremediation,   etc   ; Providencia rettgeri; bacteria; biodegradation; glyphosate; high performance liquid chromatography; sarcosines; selection pressure;     Show all 8 Subjects
Abstract:
... This study explored the characteristics of a newly isolated glyphosate (GLYP)-degrading bacterium Providencia rettgeri GDB 1, for GLYP bioremediation. Due to the serial selection pressure of high GLYP concentrations for enriched isolation, this highly tolerant GLYP biodegrader shows very promising capabilities for GLYP removal (approximately 71.4% degradation efficiency) compared to previously rep ...
DOI:
10.1016/j.jbiosc.2019.01.012

12. Revelation of microalgae's lipid production and resistance mechanism to ultra-high Cd stress by integrated transcriptome and physiochemical analyses

Author:
Lu, JingJing; Ma, YanLing; Xing, GuanLan; Li, WenLi; Kong, XiangXue; Li, JinYu; Wang, LinJing; Yuan, HongLi; Yang, JinShui
Source:
Environmental pollution 2019 v.250 pp. 186-195
ISSN:
0269-7491
Subject:
bioremediation,   etc   ; Auxenochlorella protothecoides; alkanes; antioxidants; biofuels; cadmium; calcium; habitats; ions; lipids; microalgae; peroxidase; superoxide dismutase; transcriptome;     Show all 14 Subjects
Abstract:
... The ultra-high Cd polluted environment is a special habitat in nature. Analysis of the biological adaptation and resistance mechanism of Auxenochlorella protothecoides UTEX234 to ultra-high Cd stress would offer some inspiring understanding on Cd detoxification mechanism and help discovering highly active bioremediation agents. In this study, integrated analyses of the transcriptome, multi-physiol ...
DOI:
10.1016/j.envpol.2019.04.018

13. Real-time analysis of atrazine biodegradation and sessile bacterial growth: A quartz crystal microbalance with dissipation monitoring study

Author:
LeviRam, Inbar; Gross, Amit; McCarthy, David; Herzberg, Moshe
Source:
Chemosphere 2019 v.225 pp. 871-879
ISSN:
0045-6535
Subject:
bioremediation,   etc   ; adsorption; atrazine; bacteria; bacterial growth; biodegradation; liquids; monitoring; pollutants; quartz crystal microbalance; viscoelasticity; water pollution;     Show all 12 Subjects
Abstract:
... Biodegradation is a fundamental process for removal of the environmentally prevalent herbicide, atrazine, from contaminated waters. Biodegradation is more efficient when bacteria are attached on surface of an adsorbing carrier that supports the microbial population. However, for various reasons, biodegradation is almost always monitored in the liquid phase. In this study, we employ a novel Quartz ...
DOI:
10.1016/j.chemosphere.2019.03.054

14. Targeted delivery of hydrogen for the bioremediation of aquifers contaminated by dissolved chlorinated compounds

Author:
Maire, Julien; Davarzani, Hossein; Colombano, Stéfan; Fatin-Rouge, Nicolas
Source:
Environmental pollution 2019 v.249 pp. 443-452
ISSN:
0269-7491
Subject:
bioremediation,   etc   ; aquifers; foams; glass; groundwater; groundwater contamination; groundwater flow; hydrogen; models; permeability; surfactants;     Show all 11 Subjects
Abstract:
... Dihydrogen (H2) gas injection is a promising option to enhance the reductive biodehalogenation of contaminants in groundwater. However, it is challenging to ensure its targeted delivery at the right places in plumes, and for the long times required for bioremediation. In this paper, the ability of surfactant foam to retain H2 in the saturated zone and to enhance its release in the dissolved form w ...
DOI:
10.1016/j.envpol.2019.03.033

15. Diversity of fungi from mangrove sediments of Goa, India, obtained by metagenomic analysis using Illumina sequencing

Author:
Haldar, Shyamalina; Nazareth, Sarita W.
Source:
3 Biotech 2019 v.9 no.5 pp. 164
ISSN:
2190-572X
Subject:
bioremediation,   etc   ; Agaricomycetes; Dothideomycetes; Eurotiomycetes; Saccharomycetes; Sordariomycetes; estuaries; fungi; mangrove sediments; metagenomics; species richness; India;     Show all 12 Subjects
Abstract:
... The fungal composition, abundance and diversity of the mangrove sediments from the Mandovi and Zuari estuaries, Goa, using paired-end Illumina sequencing, hitherto unexplored by a metagenomic approach, indicated that though the types of fungal phyla were similar between the two sediments, the abundance of the species was significantly different between them (p value < 0.005). Basidiomycota and Asc ...
DOI:
10.1007/s13205-019-1698-4

16. Electroactive biochar outperforms highly conductive carbon materials for biodegrading pollutants by enhancing microbial extracellular electron transfer

Author:
Prado, Amanda; Berenguer, Raúl; Esteve-Núñez, Abraham
Source:
Carbon 2019 v.146 pp. 597-609
ISSN:
0008-6223
Subject:
bioremediation,   etc   ; biochar; biodegradation; electrical conductivity; electrochemistry; electron transfer; electrons; graphene; oxygen; pollutants; wastewater; wastewater treatment;     Show all 12 Subjects
Abstract:
... The development and full-scale application of microbial electrochemical technologies (METs) for wastewater treatment demand massive amounts of electroconductive carbon materials to promote extracellular electron transfer (EET) and biodegradation. While the potential capability of these materials and their properties to design efficient systems is still in their infancy, the state-of-the-art METs a ...
DOI:
10.1016/j.carbon.2019.02.038

17. Genomic data mining of an Antarctic deep-sea actinobacterium, Janibacter limosus P3-3-X1

Author:
Su, Shiyuan; Liao, Li; Yu, Yong; Zhang, Jin; Chen, Bo
Source:
Marine genomics 2019
ISSN:
1874-7787
Subject:
bioremediation,   etc   ; Janibacter limosus; biosynthesis; carbon; enzymes; genomics; multigene family; phenol; sequence analysis; xenobiotics; Antarctic region;     Show all 11 Subjects
Abstract:
... Janibacter limosus P3-3-X1, a psychrotolerant deep-sea actinobacterium isolated from the Southern Ocean, was completely sequenced and analyzed for its biotechnological potential in bioremediation and natural product biosynthesis. The circular genome contained 3.5 Mb with a high GC content of 70.44 mol%. Genomic data mining revealed a gene cluster for degrading phenol and its derivatives, including ...
DOI:
10.1016/j.margen.2019.04.009

18. Reconstruction and in silico analysis of new Marinobacter adhaerens t76_800 with potential for long-chain hydrocarbon bioremediation associated with marine environmental lipases

Author:
Lopes, Erica Mendes; Fernandes, Camila Cesário; de Macedo Lemos, Eliana G.; Kishi, Luciano Takeshi
Source:
Marine genomics 2019
ISSN:
1874-7787
Subject:
bioremediation,   etc   ; Marinobacter; RNA; aromatic compounds; carboxylic ester hydrolases; defense mechanisms; genes; hydrocarbons; oceans; plasmids;     Show all 10 Subjects
Abstract:
... Marinobacter is a Gammaproteobacterium and member of the family Alteromonadaceae. Some Marinobacter species degrade hydrocarbons and aromatic compounds, raising the possibility of applications in marine bioremediation. Using draft metagenome-assembled genomes from environmental DNA, it was possible to obtain the genome of Marinobacter adhaerens t76_800, from samples obtained during the Tara Oceans ...
DOI:
10.1016/j.margen.2019.04.010

19. Six New Families of Aerobic Arsenate Reducing Bacteria: Leclercia, Raoultella, Kosakonia, Lelliottia, Yokenella, and Kluyvera

Author:
Tian, Haixia; Wang, Jiao; Li, Jiayu; Wang, Yujie; Mallavarapu, Megharaj; He, Wenxiang
Source:
Geomicrobiology journal 2019 v.36 no.4 pp. 339-347
ISSN:
1521-0529
Subject:
bioremediation,   etc   ; Kluyvera; Leclercia; Raoultella; Yokenella; arsenates; arsenic; bacteria; genotype; mining; operon; phylogeny; ribosomal RNA;     Show all 13 Subjects
Abstract:
... Elevated levels of arsenate can occur in the environment due to processes such as mining activities, and microbes must utilize various detoxification mechanisms to adapt to the associated pressure. The aim of this study was to identify as many aerobic arsenate-reducing bacteria (aARB) as possible in order to investigate their phylogenetic diversity and molecular mechanisms of arsenic resistance. W ...
DOI:
10.1080/01490451.2018.1554726

20. Natural and assisted dissipation of polycyclic aromatic hydrocarbons in a long-term co-contaminated soil with creosote and potentially toxic elements

Author:
Madrid, F.; Rubio-Bellido, M.; Villaverde, J.; Peña, A.; Morillo, E.
Source:
The Science of the total environment 2019 v.660 pp. 705-714
ISSN:
0048-9697
Subject:
bioremediation,   etc   ; Vibrio fischeri; acute toxicity; bacteria; bioavailability; creosote; phenanthrenes; polluted soils; rhamnolipids; toxic substances; toxicity testing;     Show all 11 Subjects
Abstract:
... An enhanced bioremediation strategy was applied to an industrial soil co-contaminated with Polycyclic Aromatic Hydrocarbons (PAHs) and Potentially Toxic Elements (PTEs). Hydroxypropyl-β-cyclodextrin (HPBCD) and a natural mixture of two rhamnolipids (RL) were added to increase PAHs bioavailability, and combined with a microbial consortium (MC) to biodegrade soil PAHs. Bioavailability of only six PA ...
DOI:
10.1016/j.scitotenv.2018.12.376