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Biochemistry of Microbial Degradation of Hexachlorocyclohexane and Prospects for Bioremediation
It is important to develop a better understanding of the biochemistries of the LinA and LinB variants and to use that knowledge to build better variants, because field trials of some bioremediation strategies based on the Lin pathway have yielded promising results but would not yet achieve economic levels of remediation.
Characterization of the phenylurea hydrolases A and B: founding members of a novel amidohydrolase subgroup.
Mycobacterium brisbanense strain JK1, a bacterium capable of degrading the herbicide diuron, was isolated from herbicide-exposed soil and a gene/enzyme system with diuron hydrolase activity was isolated and named PUH B (puhB/PuhB), although they contain a hitherto unreported Asn-X-His metal-binding motif and appear to form a novel sub-group within this superfamily.
Bacterial Chemotaxis toward Environmental Pollutants: Role in Bioremediation
Recent discoveries in bacterial chemotaxis toward pollutants are described and how they may be explored and exploited for bioremediation applications are described.
The enzymatic basis for pesticide bioremediation
This review describes examples of enzymes possessing the major activities employed in the bioremediation of pesticide residues, and some of the strategies by which they are employed.
Structure and function of an insect α-carboxylesterase (αEsterase7) associated with insecticide resistance
Insect carboxylesterases from the αEsterase gene cluster, such as αE7 (also known as E3) from the Australian sheep blowfly Lucilia cuprina (LcαE7), play an important physiological role in lipid
Chemotaxis of Burkholderia sp. Strain SJ98 towards chloronitroaromatic compounds that it can metabolise
Its chemotactic responses towards six chloro-nitroaromatic compounds are related to its previously demonstrated chemotaxis towards NACs that it can metabolise, but it is independently inducible from its chemOTaxis towards succinate or aspartate.
Physiology, Biochemistry, and Applications of F420- and Fo-Dependent Redox Reactions
5-Deazaflavin cofactors enhance the metabolic flexibility of microorganisms by catalyzing a wide range of challenging enzymatic redox reactions, and the physiological roles of F420 in microorganisms and the biochemistry of the various oxidoreductases that mediate these roles are discussed.