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Degradation Of Trichloroethylene By Pseudomonas Putida F1 Grown On Toluene And Its Degradation Product Benzyl Alcohol
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Book Synopsis Degradation of Trichloroethylene by Pseudomonas Putida F1 Grown on Toluene and Its Degradation Product Benzyl Alcohol by : Michael T. Begonia
Download or read book Degradation of Trichloroethylene by Pseudomonas Putida F1 Grown on Toluene and Its Degradation Product Benzyl Alcohol written by Michael T. Begonia and published by . This book was released on 2003 with total page 106 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Biotechnical Approach to Studies on the Biodegradation of Chlorobenzenes and Trichloroethylene by :
Download or read book A Biotechnical Approach to Studies on the Biodegradation of Chlorobenzenes and Trichloroethylene written by and published by . This book was released on 1992 with total page 9 pages. Available in PDF, EPUB and Kindle. Book excerpt: The absolute stereochemistry of the chiral dihydrodiols formed from ortho- and meta-dichlorobenzene were determined. Both diols were found to be enantiomerically pure with 1S,2S absolute configuration. Toluene-grown cells of Pseudomonas putida F1 and Pseudomonas sp. JS150 were found to oxidize 2- and 3- nitrotoluene to benzyl alcohols. These results represent the first demonstration of the oxidation of a methyl substituent by toluene dioxygenase. Both organisms oxidized 4-nitrotoluene to 2-methyl-5-nitrophenol and 3-methyl-6-nitrocatechol. The significance of these unexpected results was evaluated.
Book Synopsis Effect of Acclimation on Biodegradation of Trichloroethylene and Toluene by Soil Microbial Populations by : Der-Yi Mu
Download or read book Effect of Acclimation on Biodegradation of Trichloroethylene and Toluene by Soil Microbial Populations written by Der-Yi Mu and published by . This book was released on 1993 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Trichloroethylene Oxidation and Product Formation by Bacterial Enzymes by : Lisa Marie Newman
Download or read book Trichloroethylene Oxidation and Product Formation by Bacterial Enzymes written by Lisa Marie Newman and published by . This book was released on 1995 with total page 358 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Cometabolic Degradation of Trichloroethylene Using Pseudomonas Putida TVA8 by : Catherine Lui Cheng
Download or read book Cometabolic Degradation of Trichloroethylene Using Pseudomonas Putida TVA8 written by Catherine Lui Cheng and published by . This book was released on 1998 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Factors Affecting the Biological Degradation of Toluene by Pseudomonas Putida by : Michael Richard Brockman
Download or read book Factors Affecting the Biological Degradation of Toluene by Pseudomonas Putida written by Michael Richard Brockman and published by . This book was released on 1991 with total page 144 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook on Biodegradation and Biological Treatment of Hazardous Organic Compounds by : M.H. van Agteren
Download or read book Handbook on Biodegradation and Biological Treatment of Hazardous Organic Compounds written by M.H. van Agteren and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 463 pages. Available in PDF, EPUB and Kindle. Book excerpt: The introduction of synthetic organic chemicals into the environment during the last few decades has given rise to major concern about the ecotoxicological effects and ultimate fate of these compounds. The pollutants that are considered to be most hazardous because of their intrinsic toxicity, high exposure level, or recalcitrant behavior in the environment have been placed on blacklists and other policy priority lists. The fate of synthetic compounds that enter the environment is mainly determined by their rate of biodegradation, which therefore also has a major effect on the degree of bioaccumulation and the risk of ecotoxicological effects. The degree and rate of biodegradation is also of critical importance for the feasibility of biological techniques to clean up contaminated sites and waste streams. The biodegradation of xenobiotics has thus been the subject of numerous studies, which resulted in thousands of publications in scientific journals, books, and conference proceedings. These studies led to a deeper understanding of the diversity of biodegradation processes. As a result, it has become possible to enhance the rate of degradation of recalcitrant pollutants during biological treatment and to design completely new treatment processes. At present, much work is being done to expand the range of pollutants to which biodegradation can be applied, and to make treatment techniques less expensive and better applicable for waste streams which are difficult to handle.
Book Synopsis The Mechanism of Trichloroethylene Oxidation by Toluene Dioxygenase: Implications for Bioremediation by :
Download or read book The Mechanism of Trichloroethylene Oxidation by Toluene Dioxygenase: Implications for Bioremediation written by and published by . This book was released on 1991 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt: The oxidation of trichloroethylene (TCE) by toluene dioxygenase in vivo and in vitro has been investigated. In a previous study, the initial rate of TCE oxidation by Pseudomonas putida Fl declined rapidly. This was shown in vivo, in the present study, to be due to toluene dioxygenase-dependent activation of TCE to produce reactive intermediates. Carbon-14 label from metabolism of radioactive TCE was incorporated into proteins, small molecules, DNA, RNA, and lipid. Alkylation of proteins, including toluene dioxygenase, caused metabolic poisoning and the loss of TCE-degrading ability. P'. putida was able to recover from TCE-mediated cytotoxicity. Toluene dioxygenase enzyme components were purified from recombinant E. coli strains by the use of conventional chromatographic methods. The major products of TCE oxidation by purified toluene dioxygenase have been identified as formic acid and glyoxylic acid. An additional minor product was shown to result from the alkylation of reduced pyridine dinucleotide (NADPH) by a reactive TCE intermediate generated by the toluene dioxygenase catalyzed reaction. Experiments with 14C-TCE showed that enzyme inactivation was due to non-specific alkylation of the proteins by diffusible reactive intermediates. A recombinant E. coli expressing cloned toluene dioxygenase genes oxidized TCE. The rate of TCE oxidation by the E. coli strain was slower than that of P. putida Fl but the rates were sustained for a longer time. The use of recombinant strains or gratuitously induced P. putida Fl could have important implications for bioremediation. Furthermore, a greater understanding of the mechanism of toluene dioxygenase inactivation will be crucial for developing optimum systems for TCE-biotreatment.
Book Synopsis Bacterial Degradation of Toluene, Chlorobenzene, and Trichloroethylene by : Astrid E. Mars
Download or read book Bacterial Degradation of Toluene, Chlorobenzene, and Trichloroethylene written by Astrid E. Mars and published by . This book was released on 1998 with total page 111 pages. Available in PDF, EPUB and Kindle. Book excerpt: Zsfassung in niederländ. Sprache.
Book Synopsis Pathway Engineering of the Toluene Degradation Pathway of Pseudomonas Putida Mt-2 by : Lisa O'Sullivan
Download or read book Pathway Engineering of the Toluene Degradation Pathway of Pseudomonas Putida Mt-2 written by Lisa O'Sullivan and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Metabolic Engineering of the Toluene Degradation Pathway of Pseudomonas Putida Mt-2 by : Lisa O'Sullivan
Download or read book Metabolic Engineering of the Toluene Degradation Pathway of Pseudomonas Putida Mt-2 written by Lisa O'Sullivan and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Applied and Environmental Microbiology by :
Download or read book Applied and Environmental Microbiology written by and published by . This book was released on 1998 with total page 856 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Toxicological Profile for Toluene by :
Download or read book Toxicological Profile for Toluene written by and published by . This book was released on 2000 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Taxonomy, Genomics and Ecophysiology of Hydrocarbon-Degrading Microbes by : Terry J. McGenity
Download or read book Taxonomy, Genomics and Ecophysiology of Hydrocarbon-Degrading Microbes written by Terry J. McGenity and published by Springer. This book was released on 2019-11-26 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides comprehensive, authoritative descriptions of the microbes involved in cleaning up oil spills and degrading climate-altering hydrocarbons such as methane, and has detailed discussions about the taxonomy, ecology, genomics, physiology and global significance of these hydrocarbon-degrading microbes.
Book Synopsis Bioavailability of Contaminants in Soils and Sediments by : National Research Council
Download or read book Bioavailability of Contaminants in Soils and Sediments written by National Research Council and published by National Academies Press. This book was released on 2003-05-03 with total page 433 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bioavailability refers to the extent to which humans and ecological receptors are exposed to contaminants in soil or sediment. The concept of bioavailability has recently piqued the interest of the hazardous waste industry as an important consideration in deciding how much waste to clean up. The rationale is that if contaminants in soil and sediment are not bioavailable, then more contaminant mass can be left in place without creating additional risk. A new NRC report notes that the potential for the consideration of bioavailability to influence decision-making is greatest where certain chemical, environmental, and regulatory factors align. The current use of bioavailability in risk assessment and hazardous waste cleanup regulations is demystified, and acceptable tools and models for bioavailability assessment are discussed and ranked according to seven criteria. Finally, the intimate link between bioavailability and bioremediation is explored. The report concludes with suggestions for moving bioavailability forward in the regulatory arena for both soil and sediment cleanup.
Book Synopsis Biodegradation of Nitroaromatic Compounds by : Jim C. Spain
Download or read book Biodegradation of Nitroaromatic Compounds written by Jim C. Spain and published by Springer Science & Business Media. This book was released on 2013-11-21 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: During the past five years increased awareness of environmental contamination by nitroaromatic compounds has led to a dramatic increase in research on their biodegradation. The resulting discoveries have markedly extended our understanding of degradation mecha nisms and pathways in bacteria and fungi. Futhermore, this new basic knowledge promises the development of field applications of biodegradation systems for nitroaromatic com pounds. In May of 1994, an International Symposium on the Biodegradation of Nitro aromatic Compounds was held in Las Vegas, Nevada. This symposium brought together the scientists at the frontiers of research into the biodegradation of nitro aromatic compounds. The invited speakers were asked to review their area of expertise and write a critical, comprehensive synthesis of their work and related work by others. This book is the result of their efforts. The emphasis of the reviews is on basic research in biodegradation and biotransfor mation. Therefore, the reactions of nitroaromatic compounds in plants, animals, bacteria, fungi, soil, and even nonbiological systems are considered. The goal of the work is to provide the reader with an appreciation of the tremendous range of possibilities for metabolism of aromatic nitro compounds and the experimental approaches used to understand them. This volume should be of interest to biochemists, microbiologists, engineers, toxicologists, and anyone interested in the behavior of synthetic chemicals in the environment or in living systems. Furthermore, a variety of commercial applications can be envisioned for some of the reactions described here.
Book Synopsis Biodegradation of Nitroaromatic Compounds and Explosives by : Jim C. Spain
Download or read book Biodegradation of Nitroaromatic Compounds and Explosives written by Jim C. Spain and published by CRC Press. This book was released on 2000-06-14 with total page 451 pages. Available in PDF, EPUB and Kindle. Book excerpt: Filled with practical applications and research, Biodegradation of Nitroaromatic Compounds and Explosives presents an international perspective on environmental contamination from explosives. It covers biodegradation strategies for DNT and a wide variety of other nitroaromatic compounds of environmental significance and makes the information access
