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Catabolism of 1,3-dinitrobenzene byRhodococcussp. QT-1

โœ Scribed by Olaf Dickel; Hans-Joachim Knackmuss

Publisher
Springer
Year
1991
Tongue
English
Weight
354 KB
Volume
157
Category
Article
ISSN
0302-8933

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โœฆ Synopsis

The 1,3-dinitrobenzene-degrading Rhodococcus strain QT-1 was isolated under nitrogen limiting conditions from contaminated soil samples. Experimental data indicate tha 1,3-dinitrobenzene is metabolized via 4-nitrocatechol. Both compounds were oxidized by resting cells and nitro groups were completely eliminated as nitrite. Strain QT-1 utilizes both 1,3-dinitrobenzene and 4-nitrocatechol as source of nitrogen in the absence as well as in the presence of high amounts of ammonia. Growth on 4-nitrocatechol does not induce the enzyme(s) for the initial oxidation of 1,3-dinitrobenzene.

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