Biological degradation and bioremediation of toxic chemicals
The concept of bioremediation is not new - the farmer and the forester practice it in a limited way by rotating crops and replanting trees. Because unassisted natural processes cannot break down the many toxic wastes we inflict on our world, more sophisticated bioremediation techniques are imperative. This book covers the increasing use of microorganisms and microbial metabolic processes to break down such environmental poisons and clean soil and water. An ever broadening variety of bacteria, other microbes, and fungi are being discovered already living in extreme environments such as high-temperature undersea volcanic vents, highly acidic, alkaline, or salty habitats, or anaerobic situations. Fortunately, many posses metabolic pathways that can remove or destroy toxic compounds such as herbicides, insecticides, and heavy metals.
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Biological Degradation and Bioremediation of Toxic Chemicals
No preview available - 1995
acid activity aerobic Alcaligenes anaerobic Appl Aroclor aromatic compounds bacteria Bacteriol bacterium benzene benzo[a]pyrene benzoate Biochem biodegradation Biol biological bioremediation Biotechnol carbon catabolic catechol cells Cerniglia Chem chemical chlorinated chlorobenzoates chlorophenols chrysosporium cleavage cloned coal concentration congeners contaminated Cr6+ cultures dechlorination degradation pathway dehalogenation dihydrodiol dioxygenase encoding enrichment Environ environmental enzymatic enzyme EPTC estuarine Figure fungi genes genetic Gibson growth halogenated hydrolase incubation intermediates isolated lignin lignin peroxidase marine mechanism meta meta-cleavage metabolism metabolites methanogenic methanotrophs microbial degradation Microbiol microorganisms mineralization molecular monooxygenase morpholine mutants naphthalene operon organic ortho oxidation oxygen oxygenase PAH degradation parathion pentachlorophenol pesticides Phanerochaete chrysosporium phenanthrene phenol plasmid pollutants polychlorinated biphenyls polycyclic aromatic hydrocarbons protein Pseudomonas putida Pseudomonas sp pyrene pyrite reactions reactor reductive dechlorination Rhodococcus ring sediments sequence sludge soil soluble specific strain studies substrate sulfate sulfonated sulfur tion TOL plasmid toxic transformation utilize