Microbial Ecology

, Volume 3, Issue 1, pp 65–73 | Cite as

Aerobic versus anaerobic metabolism of halogenated anilines by aParacoccus sp.

  • Jean -Marc Bollag
  • Stefan Russel


AParacoccus sp. which transforms aniline and different halogen-substituted derivatives under aerobic and anaerobic conditions was isolated from the soil. In experiments with14C-ring-labeled 4-chloroaniline, approximately 60% of the radioactive material disappeared from the growth medium after incubation under anaerobiosis within 48 hr, but under aerobic conditions no decrease of radioactivity in the growth medium was observed, although 4-chloroaniline was completely metabolized. Acetylation appears to constitute, especially under aerobic conditions, a major transformation mechanism by the bacterium, since almost 50% of the acetylated compound could be detected and identified if aniline, 2-, 3-, and 4-chloroaniline served as substrate. The formation of different metabolites under aerobic and anaerobic conditions clearly indicates the existence of two separate pathways in the metabolism of aniline compounds depending on the oxygen status of the environment.


Oxygen Growth Medium Aniline Nature Conservation Anaerobic Condition 
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Copyright information

© Springer-Verlag New York Inc. 1976

Authors and Affiliations

  • Jean -Marc Bollag
    • 1
  • Stefan Russel
    • 1
  1. 1.Laboratory of Soil Microbiology Department of AgronomyThe Pennsylvania State UniversityUSA

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