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The Mechanism Of Trichloroethylene Oxidation By Toluene Dioxygenase Implications For Bioremediation
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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 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 Bioremediation Field Experience by : Paul E. Flathman
Download or read book Bioremediation Field Experience written by Paul E. Flathman and published by CRC Press. This book was released on 1993-12-21 with total page 564 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bioremediation focuses on the application of practical, state-of-the-art technology used for full-scale site remediation over a wide range of environmental settings. The book includes an up-to-date overview of the environmental regulations critical to the success of biological treatment in the field as well as the market opportunities presented for implementing bioremediation based on those regulations. Crucial factors to consider prior to selecting bioremediation for site remediation are also discussed.
Book Synopsis Biodegradation of Chlorinated Ethenes at a Karst Site in Middle Tennessee by : Thomas Duane Byl
Download or read book Biodegradation of Chlorinated Ethenes at a Karst Site in Middle Tennessee written by Thomas Duane Byl and published by . This book was released on 2000 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Consequences of Microbial Interactions with Hydrocarbons, Oils, and Lipids: Biodegradation and Bioremediation by : Robert J. Steffan
Download or read book Consequences of Microbial Interactions with Hydrocarbons, Oils, and Lipids: Biodegradation and Bioremediation written by Robert J. Steffan and published by Springer. This book was released on 2019-08-22 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book international experts discuss the state-of-the-art in the biological degradation of hydrocarbons to meet remedial or disposal goals. The work focuses on practical applications, often on globally important scales including the remediation of some of the world’s largest crude oil spills. Other related chapters discuss important implications of microbial transformation of hydrocarbons, including treatment of high fat processing wastes, impacts of microbial biodegradation activity on industrial processes, and the implications of microbial oil degradation in relation to modern oil extraction processes like hydraulic fracturing of shales and extraction of oil sands.
Book Synopsis Petroleum Microbiology by : Trevor Jones
Download or read book Petroleum Microbiology written by Trevor Jones and published by Editions OPHRYS. This book was released on with total page 902 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrocarbons and their derivatives (oxygenated and chlorinated, in particular), both natural and xenobiotic, represent a very large class of compounds whose conversions and degradation by microorganisms cover an extremely rich field, whose concepts are detailed in this book. The fascinating evolution of these concepts over the last twenty years has revealed the extent of the processes implemented in the environment and has multiplied their industrial applications. The resulting achievements and the current developments are described in this book.The English edition of this reference manual is an entirely revised and updated version of the French edition. It is intended for professionals, microbiologists and chemists, as well as scientists, engineers, teachers and post-doctoral researchers, who are interested by the conversions of hydrocarbons and by microbial ecology.The French edition of this book was awarded a special mention for engineering education text book by the Roberval Prize committee in 2007.
Book Synopsis Water-resources Investigations Report by :
Download or read book Water-resources Investigations Report written by and published by . This book was released on 2000 with total page 208 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 2001 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Methods of Rating Unsaturated Zone and Watershed Characteristics of Public Water Supplies in North Carolina by :
Download or read book Methods of Rating Unsaturated Zone and Watershed Characteristics of Public Water Supplies in North Carolina written by and published by . This book was released on 2000 with total page 662 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1992 with total page 1400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bioremediation and Natural Attenuation by : Pedro J. Alvarez
Download or read book Bioremediation and Natural Attenuation written by Pedro J. Alvarez and published by John Wiley & Sons. This book was released on 2005-12-16 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: A groundbreaking text and professional resource on natural attenuation technology Natural attenuation is rapidly becoming a widely used approach to manage groundwater and soil contamination by hazardous substances in petroleum-product releases and leachate from hazardous waste sites and landfills. This book provides, under one cover, the current methodologies needed by groundwater scientists and engineers in their efforts to evaluate subsurface contamination problems, to estimate risk to human health and ecosystems through mathematical models, and to design and formulate appropriate remediation strategies. Incorporating the authors' extensive backgrounds as educators, researchers, and consultants in environmental biotechnology and hydrogeology, the text emphasizes new concepts and recent advances in the science, including: Quantification of the role of microbes in natural attenuation Biodegradation and chemical transformation principles Immobilization and phase change Biotransformation mechanisms Groundwater flow and contaminant transport Analytical models for contaminant transport and reaction processes Numerical modeling of contaminant transport, transformation, and degradation Detailed descriptions of fundamental processes, characterization approaches, and analytical and numerical methods tied to relevant real-world applications make Bioremediation and Natural Attenuation: Process Fundamentals and Mathematical Models both a timely course text in hydrogeology and environmental engineering and a valuable reference for anyone in the groundwater or risk assessment professions.
Book Synopsis Bioremediation of hazardous wastes : research, development, and field evaluations by :
Download or read book Bioremediation of hazardous wastes : research, development, and field evaluations written by and published by DIANE Publishing. This book was released on 1993 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bioremediation of Hazardous Wastes by :
Download or read book Bioremediation of Hazardous Wastes written by and published by . This book was released on 1995 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1992-07 with total page 1320 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis In Situ Bioreclamation by : Robert E. Hinchee
Download or read book In Situ Bioreclamation written by Robert E. Hinchee and published by Elsevier. This book was released on 2013-10-22 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: In Situ Bioreclamation: Applications and Investigations for Hydrocarbon and Contaminated Site Remediation is a collection of selected papers submitted by participants to the international symposium ""In Situ and On-Site Bioreclamation"", held in San Diego, California in March 1991. The book consists of articles, which represent a substantial technical contribution, and technical notes, and brief technology descriptions or reports of preliminary or less substantial studies that proposes and exposes various solutions for the biological treatment of contaminated soil, water, and gas. This volume is one of two that represent the most complete and up-to-date set of papers at the time. The book covers the most comprehensive collection of treatises that presents practices in the reversal of damages to the environment. Solutions vary from proven commercially available technologies for some applications, such as reactor treatment of petroleum hydrocarbons in aqueous steams, to fundamental research in others, such as genetic engineering to develop strains of biodegradable xenobiotics. Environmentalists, scientists, students of natural sciences, civil engineers, and those concerned with the preservation and restoration of nature will find this book invaluable.
Book Synopsis In-Situ Bioremediation of Ground Water and Geological Material by : Robert D. Norris
Download or read book In-Situ Bioremediation of Ground Water and Geological Material written by Robert D. Norris and published by DIANE Publishing. This book was released on 1995-08 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a detailed background of the technologies available for the bioremediation of contaminated soil & ground water. Prepared for scientists, consultants, regulatory personnel, & others who are associated in some way with the restoration of soil & ground water at hazardous waste sites. Also provides insights to emerging technologies which are at the research level of formation, ranging from theoretical concepts, through bench scale inquiries, to limited field-scale investigations. 95 tables & figures.
Book Synopsis In Situ Bioremediation by : National Research Council
Download or read book In Situ Bioremediation written by National Research Council and published by National Academies Press. This book was released on 1993-02-01 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: In situ bioremediationâ€"the use of microorganisms for on-site removal of contaminantsâ€"is potentially cheaper, faster, and safer than conventional cleanup methods. But in situ bioremediation is also clouded in uncertainty, controversy, and mistrust. This volume from the National Research Council provides direction for decisionmakers and offers detailed and readable explanations of: the processes involved in in situ bioremediation, circumstances in which it is best used, and methods of measurement, field testing, and modeling to evaluate the results of bioremediation projects. Bioremediation experts representing academic research, field practice, regulation, and industry provide accessible information and case examples; they explore how in situ bioremediation works, how it has developed since its first commercial use in 1972, and what research and education efforts are recommended for the future. The volume includes a series of perspective papers. The book will be immediately useful to policymakers, regulators, bioremediation practitioners and purchasers, environmental groups, concerned citizens, faculty, and students.