Abstract
Biphenyl-utilizing soil bacteria are ubiquitously distributed in the natural environment. They cometabolize a variety of polychlorinated biphenyl (PCB) congeners to chlorobenzoic acids through a 2,3-dioxygenase pathway, or alternatively through a 3,4-dioxygenase system. Thebph genes coding for the metabolism of biphenyl have been cloned from several pseudomonads. The biochemistry and molecular genetics of PCB degradation are reviewed and discussed from the viewpoint of an evolutionary relationship.
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Abbreviations
- BP:
-
biphenyl
- bph :
-
BP/PCB-degradative gene
- 23DHBP:
-
2,3-dihydroxybiphenyl
- HPDA:
-
2-hydroxy-6-oxo-6-phenylhexa 2,4-dienoic acid
- KF707:
-
P. pseudoalcaligenes strain KF707
- LB400:
-
Pseudomonas sp. strain LB400
- PCB:
-
polychlorinated biphenyls
- Q1:
-
P. paucimobilis strain Q1tod; toluene catabolic gene
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Furukawa, K. Molecular genetics and evolutionary relationship of PCB-degrading bacteria. Biodegradation 5, 289–300 (1994). https://doi.org/10.1007/BF00696466
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DOI: https://doi.org/10.1007/BF00696466