microbial transformation of halogenated organic compounds.

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Prior to the s, knowledge of biological transformations of highly halogenated aliphatic compounds was limited, except in mammalian organisms where enzymatic transformations occurred to rid the body of ingested harmful chemicals.

Limited abiotic transformation of such compounds had also been observed, wit Environmental Science: Processes & Impacts: Recent Review Articles Halogenated. The more highly halogenated contaminants (e.g., tetrachloroethylene) are phytoreduced, whereas phytooxidation dominates the transformation of trichloroethylene and less chlorinated organic contaminants.

Microbial mats applied in bioreactors and treatment wetlands can take advantage of both reductive and oxidative reactions in easily engineered Cited by: 6. Microbial reactions of nonsteroidal compounds have been described and tabulated in a recent book on the subject.

(1) The use of microorganisms as chemical reagents has been discussed in two books (2,3) and one book chapter; (4) and as tools in the modification of drugs (4) or as models of mammalian metabolism in other by: 4.

Microbial degradation of halogenated organic compounds in anoxic estuarine and marine sediments is widely observed (Table 1) and generally proceeds first via reductive l studies have shown that microbial transformation of halogenated organic compounds.

book electron acceptors, in particular sulfate, impede the enrichment of dehalogenating populations, or that interspecific competition for electron donors inhibits anaerobic. Transformation of Halogenated Aliphatic Compounds Article (PDF Available) in Environmental Science and Technology 21(8) August with Reads How we measure 'reads'.

Purchase Biotransformations: Microbial Degradation of Health-Risk Compounds, Volume 32 - 1st Edition. Print Book & E-Book.

ISBNWackett LP () Bacterial co-metabolism of halogenated organic compounds. In: Young LY, Cerniglia C (Eds) Microbial Transformation and Degradation of Toxic Organic Chemicals (pp –). Wiley-Liss, New York Google Scholar. Halogenated organic compounds can be subject to transformation by microorganisms under both anoxic and oxic conditions.

Higher halogenated substances, such as tetrachlorethene (PCE) or hexachlorobenzene (HCB), are usually transformed under anoxic conditions via reductive dehalogenation, but persist under oxic conditions.

Berry DF, Francis AJ, Bollag JM.

Details microbial transformation of halogenated organic compounds. EPUB

Microbial metabolism of homocyclic and heterocyclic aromatic compounds under anaerobic conditions. Microbiol Rev. Mar; 51 (1)– [PMC free article] Bouwer EJ, McCarty PL. Transformations of 1- and 2-carbon halogenated aliphatic organic compounds under methanogenic conditions.

Appl Environ Microbiol. Bouwer EJ, McCarty PL. Transformations of 1- and 2-carbon halogenated aliphatic organic compounds under methanogenic conditions. Appl Environ Microbiol. Apr; 45 (4)– [PMC free article] Boyd SA, Shelton DR.

Anaerobic biodegradation of chlorophenols in fresh and acclimated sludge. Appl Environ Microbiol. Feb; 47 (2)– Anthony C, Zatman LJ.

The microbial oxidation of methanol. The alcohol dehydrogenase of Pseudomonas sp. M Biochem J. Sep; 96 (3)– [PMC free article] Bouwer EJ, McCarty PL. Transformations of 1- and 2-carbon halogenated aliphatic organic compounds under methanogenic conditions. Appl Environ Microbiol. Apr; 45 (4)– Preliminary dehalogenation of highly halogenated compounds by the reduced metal to generate less halogenated byproducts those are susceptible for microbial degradation.

Therefore, the integration of zerovalent metals with biodegradation promotes the dehalogenation efficiency of each type of remediation methods. Prior to the s, knowledge of biological transformations of highly halogenated aliphatic compounds was limited, except in mammalian organisms where enzymatic transformations occurred to rid the body of ingested harmful chemicals.

Purified versatile peroxidase (VP) from the white rot fungus Bjerkandera adusta UAMH was used to study the transformation of several pesticides, including some as highly halogenated as the wood preservative pentachlorophenol (PCP).

Description microbial transformation of halogenated organic compounds. EPUB

From the 13 pesticides assayed, dichlorophen, bromoxynil and PCP were transformed by VP in the presence and in the absence of manganese(II). Microbial biodegradation is the use of bioremediation and biotransformation methods to harness the naturally occurring ability of microbial xenobiotic metabolism to degrade, transform or accumulate environmental pollutants, including hydrocarbons (e.g.

oil), polychlorinated biphenyls (PCBs), polyaromatic hydrocarbons (PAHs), heterocyclic compounds (such as pyridine or quinoline.

Bouwer EJ, McCarty PL. Transformations of 1- and 2-carbon halogenated aliphatic organic compounds under methanogenic conditions. Appl Environ Microbiol.

Apr; 45 (4)– [PMC free article] Esaac EG, Matsumura F. Metabolism of insecticides by reductive systems. Pharmacol Ther. ; 9 (1):1– EVANS WC. 1. Introduction. Halogenated organic compounds (HOCs) have been recently identified in shale gas wastewaters using both targeted and non-targeted analytical approaches (Hoelzer et al., ; Luek et al., ; Maguire-Boyle and Barron, ).Furthermore, HOCs are of particular interest because they are not known additives used in the hydraulic fracturing process and although a handful.

Halogenated organic compounds are diverse and widespread in nature. For a long time it was assumed that these compounds are only produced and released by anthropogenic sources halogens like perchloroethene and trichloroethene are prominent groundwater pollutants due to their industrial use as dry cleaning and degreasing agents and their widespread accidental and.

Kinetics of Halogenated Organic Compound Degradation by Iron Metal. Environmental Science & Technology30 (8), DOI: /es Pei-Chun Chiu and, Martin Reinhard. Transformation of Carbon Tetrachloride by Reduced Vitamin B12 in Aqueous Cysteine Solution.

Designed for use as a textbook and resource for professional scientists working in the areas of industrial microbiology, environmental microbiology, and biodegradation, this important new volume details both the fundamental concepts of the microbial transformation of organic compounds as well as its application for biotechnology and biodegradation.

Halogen substituents can increase the hydrophobicity of organic compounds, increasing their tendency to bioaccumulate in food chains as well as to sorb to soil. Finally, halogen substituents can contribute to harmful biological effects of organic compounds, increasing their toxicity, mutagenicity and other detrimental capacities.

Horvath RS () Microbial co-metabolism and the degradation of organic compounds in nature. Bacteriol Rev 36(2)– PubMed PubMedCentral Google Scholar Itoh K, Fujita M, Kumano K, Suyama K, Yamamoto H () Phenolic acids affect transformations of chlorophenols by a Coriolus versicolor laccase.

Organic and inorganic chlorine compounds are formed by a broad range of natural geochemical, photochemical and biological processes.

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In addition, chlorine compounds are produced in large quantities for industrial, agricultural and pharmaceutical purposes, which has led to widespread environmental pollution. Abiotic transformations and microbial metabolism of inorganic and organic.

*Microbial Degradation of Halogenated Aromatic Compounds by Reineke. * Microbial Degradation of Polychlorinated Biphenyls by Safe. *Microbial Degradation of Phthalates by Ribbons, Keyser, Eaton, etal. *Degradation of Lignin by Kirk. *Biodegradation and the Significance of Microbial Communities by Slater and cturer: Marcell Dekker, Inc.

A large number of enzymes from bacteria, fungi, and plants have been reported to be involved in the biodegradation of toxic organic pollutants. Bioremediation is a cost effective and nature friendly biotechnology that is powered by microbial enzymes.

The research activity in this area would contribute towards developing advanced bioprocess technology to reduce the toxicity of the pollutants. The focus is on microbial processes, since these play a major role both in the production and degradation, i.

e., cycling of halogenated organic compounds inthe environment. This book is organized into five parts. Part I, Introduction, provides a global perspective on the issues of organohalides and their fate in the environment.

ISBN: OCLC Number: Description: xxiii, pages: illustrations, map ; 29 cm: Contents: General concepts in biodegradation and biocatalysis --A history of concepts in biodegradation and microbial catalysis --Identifying novel microbial catalysis by enrichment culture and screening --Microbial diversity: catabolism of organic compounds is broadly distributed.

Abstract. Halogenated C 1 and C 2 aliphatic compounds (HACs) including chlorofluorocarbons (CFCs) are among the most important trace gases affecting stratospheric ozone levels and are contributors to the greenhouse effect. HACs are among the most frequently found chemicals emanating from hazardous waste sites into the atmosphere.

Although once believed to be resistant to transformation by. ISBN: OCLC Number: Description: XXIII, str.: ilustr. ; 29 cm. Contents: General concepts in biodegradation and biocatalysis --A history of concepts in biodegradation and microbial catalysis --Identifying novel microbial catalysis by enrichment culture and screening --Microbial diversity: catabolism of organic compounds is broadly distributed --Organic.

Microbiological methods for the cleanup of soil and ground water contaminated with halogenated organic compounds. FEMS Microbiology Letters63 (4). : Biocatalysis and Biodegradation Microbial Transformation of Organic Compounds () by Lawrence Philip Wackett,C.

Douglas Hershberger and a great selection of similar New, Used and Collectible Books available now at great prices.Biocatalysis and Biodegradation Microbial Transformation of Organic Compounds 1st Edition by C.

Douglas Hershberger Lawrence Philip Wackett (Author) ISBN   Biorestoration of aquifers contaminated with organic compounds. Critical Reviews in Environmental Control18 (1), DOI: / Chad T.

Jafvert, N. Lee Wolfe. Degradation of selected halogenated ethanes in anoxic sediment-water systems.