Dehalococcoides Ethenogenes Strain 195

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"Dehalococcoides Ethenogenes" Strain 195

Author : Xavier Maymó-Gatell
Publisher :
ISBN 13 :
Total Pages : 510 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis "Dehalococcoides Ethenogenes" Strain 195 by : Xavier Maymó-Gatell

Download or read book "Dehalococcoides Ethenogenes" Strain 195 written by Xavier Maymó-Gatell and published by . This book was released on 1997 with total page 510 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tetrachioroethene (PCE) is a human carcinogen, and together with trichloroethane (TCE), is widely used. Due to improper handling, they are among the most frequently found groundwater pollutants. A purified, PCE-dechlorinating enrichment culture was developed. This non-methanogenic, non-acetogenic culture could grow with H2 as the electron donor, indicating that H2/PCE serves as an electron donor/acceptor for energy conservation and growth. A novel anaerobic bacterium which dechlorinates PCE to the non-toxic product ethene (ETH), "Dehalococcoides ethenogenes' strain 195, was isolated from this enrichment. This is the first pure culture capable of complete PCE dechlorination. 'D. ethenogenes' strain 195 is an irregular coccus with an optimal growth temperature of 35 deg C and pH of 6.8-7.5. Phylogenetic analysis indicates that it is a eubacterium which shows no affiliation to known groups. Electron donors tested other than H2 were not utilized nor were electron donors other than TCE, cis-dichloroethene (cis-DCE), 1,1-DCE, and dichloroethane, which could be freely interchanged and were dechlorinated to ETH. This organism could not grow on vinyl chloride or trans-DCE when provided as sole electron acceptors, but both were dechlorinated cometabolically by cells previously grown on PCE. The reduction of VC to ETH was the rate-limiting reaction to the complete dechlorination of PCE. PCE, TCE, cis-DCE, and 1,1-DCE inhibited ETH formation from VC when present, but, at low concentrations, their dechlorination coexisted with ETH production. Cultures grown on cis-DCE as sole electron acceptor could not dechlorinate PCE unless PCE and cis-DCE were added together.

Dehalorespiration by Dehalococcoides Ethenogenes Strain 195 and Relatives

Author : Ivonne Nijenhuis
Publisher :
ISBN 13 :
Total Pages : 282 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Dehalorespiration by Dehalococcoides Ethenogenes Strain 195 and Relatives by : Ivonne Nijenhuis

Download or read book Dehalorespiration by Dehalococcoides Ethenogenes Strain 195 and Relatives written by Ivonne Nijenhuis and published by . This book was released on 2002 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Sustainable Syntrophic Growth of Dehalococcoides Ethenogenes Strain 195 with Desulfovibrio Vulgaris Hildenborough and Methanobacterium Congolense

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Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Sustainable Syntrophic Growth of Dehalococcoides Ethenogenes Strain 195 with Desulfovibrio Vulgaris Hildenborough and Methanobacterium Congolense by :

Download or read book Sustainable Syntrophic Growth of Dehalococcoides Ethenogenes Strain 195 with Desulfovibrio Vulgaris Hildenborough and Methanobacterium Congolense written by and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Dehalococcoides ethenogenes strain 195 (DE195) was grown in a sustainable syntrophic association with Desulfovibrio vulgaris Hildenborough (DVH) as a co-culture, as well as with DVH and the hydrogenotrophic methanogen Methanobacterium congolense (MC) as a tri-culture using lactate as the sole energy and carbon source. In the co- and tri-cultures, maximum dechlorination rates of DE195 were enhanced by approximately three times (11.0±0.01 lmol per day for the co-culture and 10.1±0.3 lmol per day for the tri-culture) compared with DE195 grown alone (3.8±0.1 lmol per day). Cell yield of DE195 was enhanced in the co-culture (9.0±0.5 x 107 cells per lmol Cl− released, compared with 6.8±0.9x 107 cells per lmol Cl− released for the pure culture), whereas no further enhancement was observed in the tri-culture (7.3±1.8x 107 cells per lmol Cl− released). The transcriptome of DE195 grown in the co-culture was analyzed using a whole-genome microarray targeting DE195, which detected 102 significantly up- or down-regulated genes compared with DE195 grown in isolation, whereas no significant transcriptomic difference was observed between co- and tri-cultures. Proteomic analysis showed that 120 proteins were differentially expressed in the co-culture compared with DE195 grown in isolation. Physiological, transcriptomic and proteomic results indicate that the robust growth of DE195 in co- and tri-cultures is because of the advantages associated with the capabilities of DVH to ferment lactate to provide H2 and acetate for growth, along with potential benefits from proton translocation, cobalamin-salvaging and amino acid biosynthesis, whereas MC in the tri-culture provided no significant additional benefits beyond those of DVH.

Reductive Dechlorination of Chlorinated Benzenes by Dehalococcoides Ethenogenes Strain 195 and a Vinyl Chloride Degrading Culture

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Author : Susan Wilson
Publisher :
ISBN 13 :
Total Pages : 76 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Reductive Dechlorination of Chlorinated Benzenes by Dehalococcoides Ethenogenes Strain 195 and a Vinyl Chloride Degrading Culture by : Susan Wilson

Download or read book Reductive Dechlorination of Chlorinated Benzenes by Dehalococcoides Ethenogenes Strain 195 and a Vinyl Chloride Degrading Culture written by Susan Wilson and published by . This book was released on 2002 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Molecular and Stable Isotope Analysis of Dehalococcoides Bacteria in Chlorinated Ethene Degrading Communities

Author : Patrick Kwan Hon Lee
Publisher :
ISBN 13 :
Total Pages : 458 pages
Book Rating : 4.:/5 (35 download)

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Book Synopsis Molecular and Stable Isotope Analysis of Dehalococcoides Bacteria in Chlorinated Ethene Degrading Communities by : Patrick Kwan Hon Lee

Download or read book Molecular and Stable Isotope Analysis of Dehalococcoides Bacteria in Chlorinated Ethene Degrading Communities written by Patrick Kwan Hon Lee and published by . This book was released on 2007 with total page 458 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Characterization of a Dehalococcoides-containing Tetrachloroethene Dechlorinating Enrichment Culture

Author : Brendan Joseph Lazar
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.E/5 ( download)

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Book Synopsis Characterization of a Dehalococcoides-containing Tetrachloroethene Dechlorinating Enrichment Culture by : Brendan Joseph Lazar

Download or read book Characterization of a Dehalococcoides-containing Tetrachloroethene Dechlorinating Enrichment Culture written by Brendan Joseph Lazar and published by . This book was released on 2006 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Organohalide-Respiring Bacteria

Author : Lorenz Adrian
Publisher : Springer
ISBN 13 : 3662498758
Total Pages : 620 pages
Book Rating : 4.6/5 (624 download)

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Book Synopsis Organohalide-Respiring Bacteria by : Lorenz Adrian

Download or read book Organohalide-Respiring Bacteria written by Lorenz Adrian and published by Springer. This book was released on 2016-08-03 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book summarizes the current state of knowledge concerning bacteria that use halogenated organic compounds as respiratory electron acceptors. The discovery of organohalide-respiring bacteria has expanded the range of electron acceptors used for energy conservation, and serves as a prime example of how scientific discoveries are enabling innovative engineering solutions that have transformed remediation practice. Individual chapters provide in-depth background information on the discovery, isolation, phylogeny, biochemistry, genomic features, and ecology of individual organohalide-respiring genera, including Dehalococcoides, Dehalogenimonas, Dehalobacter, Desulfitobacterium and Sulfurospirillum, as well as organohalide-respiring members of the Deltaproteobacteria. The book introduces readers to the fascinating biology of organohalide-respiring bacteria, offering a valuable resource for students, engineers and practitioners alike.

Genomic Adaptation for Organohalide Respiration of Vinyl Chloride and Other Priority Pollutants by the Anaerobic Bacterium Dehalococcoides

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Author : Paul Joseph McMurdie (II.)
Publisher : Stanford University
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Genomic Adaptation for Organohalide Respiration of Vinyl Chloride and Other Priority Pollutants by the Anaerobic Bacterium Dehalococcoides by : Paul Joseph McMurdie (II.)

Download or read book Genomic Adaptation for Organohalide Respiration of Vinyl Chloride and Other Priority Pollutants by the Anaerobic Bacterium Dehalococcoides written by Paul Joseph McMurdie (II.) and published by Stanford University. This book was released on 2011 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vinyl chloride (VC) is a widespread groundwater pollutant and Group 1 carcinogen. Microbial respiration of VC is both critical for complete remediation of chloroethenes in situ, and a unique physiology only observed by certain strains of Dehalococcoides. Two different genes independently encoding VC respiration in Dehalococcoides, vcrA and bvcA, were identified previously, each a member of the diverse family of reductive dehalogenase homologous genes, or rdhA. In this thesis I report that vcrA and bvcA are among a subset of putative 'foreign' rdhA with a low GC3 codon usage that favors the nucleotide T, even though tRNAs recognizing T-ending codons are categorically absent in Dehalococcoides genomes. Comparative genomics of the first two complete genome sequences of microorganisms able to respire VC, Dehalococcoides strains VS and BAV1, reveals that vcrA and bvcA are both located within recently integrated, but different, genomic islands (GIs). These islands have different predicted integration sites and different relative positions in the genome, suggesting that bvcA and vcrA were acquired independently and through different mechanisms. In particular, the vcrA-containing GI appears to have integrated at the single-copy tmRNA encoding gene, ssrA, along with many other homologous elements that site-specifically integrate/excise at ssrA -- some of which contain other rdhA. A detailed analysis of these 'ssrA-GIs' in Dehalococcoides identifies the precise position of insertion as well as a conserved module of syntenic integration-associated genes that includes the likely ssrA-specific integrase. Further analysis of (meta)genomic data, as well as targeted sequencing from 4 additional VC-respiring cultures, provided a total of 8 syntenic vcr-GIs from independently derived cultures. Evolutionary estimates for the age of divergence of these 8 vcrA sequences is not confidently distinguishable from the first industrial synthesis of chlorinated ethenes approximately 100 years ago. By contrast, the estimated age of divergence of Dehalococcoides strains far precedes industrial civilization. Overall, ssrA-GIs appear to be a major contributor to the second of two high plasticity regions, genetically dynamic regions that interrupt an otherwise stable, syntenic, and streamlined Dehalococcoides genome -- among the smallest of any free living microorganism. The apparent compartmentalization of Dehalococcoides genome dynamics within specialized regions may enhance opportunistic adaptation to (new) organohalide respiratory niches while protecting a core genome that is highly adapted to life in the anoxic subsurface, exemplified here by the recent site-specific acquisition of VC reductase genes.

Advances in Microbial Physiology

Author :
Publisher : Academic Press
ISBN 13 : 0128177136
Total Pages : 528 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Advances in Microbial Physiology by :

Download or read book Advances in Microbial Physiology written by and published by Academic Press. This book was released on 2019-05-22 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Microbial Physiology, Volume 74, the latest release in this ongoing series, continues the long tradition of topical, important, cutting-edge reviews in microbiology. The book contains updates in the field, with comprehensive chapters covering The electrifying physiology of Geobacter bacteria 30 years on, Adaptive morphogenesis in bacteria, Bacterial energetics and respiratory metabolism, Bacteria respiration during infection, Regulation of Organohalide Respiration, Bioenergetics of Campylobacter jejuni, Formate Hydrogenlyases, Bioenergetical Aspects of the Bacterial and Archaeal Hydrogen Metabolism, and more. Contains contributions from leading authorities in microbial physiology Informs and updates on all the latest developments in the field of microbial physiology

Novel Insights into Algal Biology and Biotechnology

Author : Yuval Kaye
Publisher : Frontiers Media SA
ISBN 13 : 2889458679
Total Pages : 190 pages
Book Rating : 4.8/5 (894 download)

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Book Synopsis Novel Insights into Algal Biology and Biotechnology by : Yuval Kaye

Download or read book Novel Insights into Algal Biology and Biotechnology written by Yuval Kaye and published by Frontiers Media SA. This book was released on 2019-05-23 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Bioaugmentation for Groundwater Remediation

Author : Hans F. Stroo
Publisher : Springer Science & Business Media
ISBN 13 : 1461441145
Total Pages : 421 pages
Book Rating : 4.4/5 (614 download)

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Book Synopsis Bioaugmentation for Groundwater Remediation by : Hans F. Stroo

Download or read book Bioaugmentation for Groundwater Remediation written by Hans F. Stroo and published by Springer Science & Business Media. This book was released on 2012-10-04 with total page 421 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume provides a review of the past 10 to 15 years of intensive research, development and demonstrations that have been on the forefront of developing bioaugmentation into a viable remedial technology. This volume provides both a primer on the basic microbial processes involved in bioaugmentation, as well as a thorough summary of the methodology for implementing the technology. This reference volume will serve as a valuable resource for environmental remediation professionals who seek to understand, evaluate, and implement bioaugmentation.

Biodegradation of Hazardous and Special Products

Author : Rolando Chamy
Publisher : BoD – Books on Demand
ISBN 13 : 9535111558
Total Pages : 189 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Biodegradation of Hazardous and Special Products by : Rolando Chamy

Download or read book Biodegradation of Hazardous and Special Products written by Rolando Chamy and published by BoD – Books on Demand. This book was released on 2013-06-14 with total page 189 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book contains a collection of different research activities that include the biodegradation compounds with contaminant characteristics and special products of different interests as an added value product or that allows following up various biological processes. The chapters consider the degradation of contaminant compounds generated by industrial activities, i.e., oil industry by-product compounds and halogen compounds or compound generated by natural phenomena such as tsunamis, which require interventions to recover damaged soils. In addition, the book contains chapters that involve special product degradation processes such as chlorophyll, which corresponds to a biological process indicator as photosynthesis.

Environmental Chemicals Desk Reference

Author : John H. Montgomery
Publisher : CRC Press
ISBN 13 : 1351687700
Total Pages : 2616 pages
Book Rating : 4.3/5 (516 download)

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Book Synopsis Environmental Chemicals Desk Reference by : John H. Montgomery

Download or read book Environmental Chemicals Desk Reference written by John H. Montgomery and published by CRC Press. This book was released on 2017-09-01 with total page 2616 pages. Available in PDF, EPUB and Kindle. Book excerpt: Environmental Chemicals Desk Reference is a concise version of the widely read Agrochemicals Desk Reference and Groundwater Chemicals Desk Reference. This up-to-date volume was inspired by the need for a combination of the material in both references, together with the large number of research publications and the continued interest in the fate, transport, and remediation of hazardous substances. Much new data has been added to this unique edition, including global legislation (REACH) and sustainability, thereby reflecting the wealth of literature in the field. Featured are environmental and physical/chemical data on more than 200 compounds, including pesticides, herbicides, and fungicides.

Organohalide Respiration: New Findings in Metabolic Mechanisms and Bioremediation Applications

Author : Shanquan Wang
Publisher : Frontiers Media SA
ISBN 13 : 2889458482
Total Pages : 190 pages
Book Rating : 4.8/5 (894 download)

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Book Synopsis Organohalide Respiration: New Findings in Metabolic Mechanisms and Bioremediation Applications by : Shanquan Wang

Download or read book Organohalide Respiration: New Findings in Metabolic Mechanisms and Bioremediation Applications written by Shanquan Wang and published by Frontiers Media SA. This book was released on 2019-05-21 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Microbial reductive dehalogenation mediated by organohalide-respiring bacteria plays a critical role in the natural halogen cycle, representing a promising solution for removal of organohalide pollutants. This Research Topic presents many of the more recent advances that have been made in this area. Authors from leading research groups contributed to this eBook, and provided mechanistic insights into organohalide respiration, as well as their bioremediation implications, at molecular, cellular, community and system levels.

Bioaugmentation, Biostimulation and Biocontrol

Author : Ajay Singh
Publisher : Springer Science & Business Media
ISBN 13 : 3642197698
Total Pages : 369 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Bioaugmentation, Biostimulation and Biocontrol by : Ajay Singh

Download or read book Bioaugmentation, Biostimulation and Biocontrol written by Ajay Singh and published by Springer Science & Business Media. This book was released on 2011-06-17 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bioaugmentation, biostimulation and biocontrol approaches using microbial inoculants, biofertilizers, biochemicals and organic amendments improve soil biology, fertility and crop productivity by providing plant growth-promoting nutrients and suppressing soil-borne diseases and plant-parasitic nematodes. Our knowledge of microbial diversity and its function in soils has been increased tremendously due to the availability of a wealth of data gained through recent advances in the development of molecular methods and metagenomics for the evaluation of microbial diversity and functions in the rhizosphere environment of soil. Chapters dealing with the application of biofertilizers and organic amendments are contributed by experts – authorities in the area of soil science including microbiology and molecular biology – from academic institutions and the industry.

Functional Gene and Whole-genome Expression Analysis of Dehalococcoides Bacteria

Author : David Russell Johnson
Publisher :
ISBN 13 :
Total Pages : 454 pages
Book Rating : 4.:/5 (35 download)

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Book Synopsis Functional Gene and Whole-genome Expression Analysis of Dehalococcoides Bacteria by : David Russell Johnson

Download or read book Functional Gene and Whole-genome Expression Analysis of Dehalococcoides Bacteria written by David Russell Johnson and published by . This book was released on 2007 with total page 454 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Assessment and Remediation of Contaminated Sediments

Author : Danny Reible
Publisher : Springer Science & Business Media
ISBN 13 : 1402049595
Total Pages : 268 pages
Book Rating : 4.4/5 (2 download)

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Book Synopsis Assessment and Remediation of Contaminated Sediments by : Danny Reible

Download or read book Assessment and Remediation of Contaminated Sediments written by Danny Reible and published by Springer Science & Business Media. This book was released on 2007-01-21 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this text, drawn from presentations and discussion at a May 2005 NATO Advanced Research Workshop, current approaches to the assessment and remediation of contaminated sediments are discussed with emphasis on in-situ management. The text addresses physical, chemical and biological approaches for the assessment and remediation of sediments. The development of regulatory and strategic approaches is discussed with emphasis on the potential for biological remediation in the management of contaminated sediments.