Enzymes and metabolites in picric acid (2,4,6-trinitrophenol) and 2,4-dinitrophenol biodegradation

Klaus W. Hofmann
The bacterial strains Rhodococcus (opacus) erythropolis HL PM-1 and Nocardioides simplex FJ2-1A can use picric acid (TNP) and 2,4-dinitrophenol (DNP) as sole nitrogen source. Enzymes were identified which are isofunctional in both strains, using the same degradation mechanism. During the initial steps hydride ions were transferred to the aromatic ring of the electron deficient p-system, forming first the hydride s-complex of TNP, H--TNP, and subsequently the dihydride s-complex, 2H--TNP. The reactions were catalyzed by hydride...
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