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Appl Environ Microbiol. 1993 October; 59(10): 3505-3508
Degradation and induction specificity in actinomycetes that degrade p-nitrophenol.
L F Hanne,
L L Kirk,
S M Appel,
A D Narayan and
K K Bains
Department of Biology, California State University, Chico 95929-0515.
ABSTRACT
We have isolated two soil bacteria (identified as Arthrobacter aurescens TW17 and Nocardia sp. strain TW2) capable of degrading p-nitrophenol (PNP) and numerous other phenolic compounds. A. aurescens TW17 contains a large plasmid which correlated with the PNP degradation phenotype. Degradation of PNP by A. aurescens TW17 was induced by preexposure to PNP, 4-nitrocatechol, 3-methyl-4-nitrophenol, or m-nitrophenol, whereas PNP degradation by Nocardia sp. strain TW2 was induced by PNP, 4-nitrocatechol, phenol, p-cresol, or m-nitrophenol. A. aurescens TW17 initially degraded PNP to hydroquinone and nitrite. Nocardia sp. strain TW2 initially converted PNP to hydroquinone or 4-nitrocatechol, depending upon the inducing compound.
Appl Environ Microbiol. 1993 October; 59(10): 3505-3508
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