NDLI: Catabolism of 3-Nitrophenol by Ralstonia eutropha JMP 134.

Content Provider	Semantic Scholar
Author	Schenzle, A. Lenke, Hiltrud Fischer, Peter Williams, Peter A. Knackmuss, H.
Copyright Year	1997
Abstract	Ralstonia eutropha JMP 134 utilizes 3-nitrophenol as the sole source of nitrogen, carbon, and energy. The entire catabolic pathway of 3-nitrophenol is chromosomally encoded. An initial NADPH-dependent reduction of 3-nitrophenol was found in cell extracts of strain JMP 134. By use of a partially purified 3-nitrophenol nitroreductase from 3-nitrophenol-grown cells, 3-hydroxylaminophenol was identified as the initial reduction product. Resting cells of R. eutropha JMP 134 metabolized 3-nitrophenol to N-acetylaminohydroquinone under anaerobic conditions. With cell extracts, 3-hydroxylaminophenol was converted into aminohydroquinone. This enzyme-mediated transformation corresponds to the acid-catalyzed Bamberger rearrangement. Enzymatic conversion of the analogous hydroxylaminobenzene yields a mixture of 2- and 4-aminophenol.
File Format	PDF HTM / HTML
DOI	10.1128/aem.63.4.1421-1427.1997
PubMed reference number	16535572
Journal	Medline
Volume Number	63
Issue Number	4
Alternate Webpage(s)	http://aem.asm.org/content/63/4/1421.full.pdf
Alternate Webpage(s)	https://doi.org/10.1128/aem.63.4.1421-1427.1997
Journal	Applied and environmental microbiology
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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