Reduction of aromatic nitro compounds in anaerobic ecosystems

P. Gurevich*, A. Oren, S. Sarig, Y. Henis

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

15 Scopus citations


The moderately halophilic anaerobic eubacteria Haloanaerobium praevalens and Sporohalobacter marismortui are able to reduce p-nitrophenol and a variety of other nitrosubstituted aromatic compounds at a high rate to the corresponding amines. p-Nitrophenol was not incorporated by the cells or degraded to acid-volatile compounds. Other compounds transformed included nitrobenzene, o-nitrophenol, m-nitrophenol, nitroanilines, 2,4-dinitrophenol, and 2,4-dinitroaniline. Also sheep rumen fluid was found to transform p-nitrophenol and a number of other nitroaromatic compounds at a high rate. At least 50% of the p-nitrophenol transformed was recovered as p-aminophenol. The findings suggest that anaerobic transformation of nitroaromatic compounds may be widespread in the bacterial world.

Original languageAmerican English
Pages (from-to)89-96
Number of pages8
JournalWater Science and Technology
Issue number7-8
StatePublished - 1993
EventProceedings of the 5th International Conference on Environmental Quality and Ecosystem Stability - Jerusalem, Isr
Duration: 1 Jun 19921 Jun 1992


  • Anaerobic
  • Haloanaerobiaceae
  • Halophilic
  • Nitroaromatic compounds
  • Nitrophenol
  • Rumen


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