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Ecotoxicol Environ Saf. 2006 Oct;65(2):151-8. Epub 2006 Jun 5.

Ecotoxicological assessment of PAHs and their dead-end metabolites after degradation by Mycobacterium sp. strain SNP11.

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1
Laboratoire Ecotoxicité, Santé Environnementale, CNRS UMR 7146, Université Paul Verlaine Metz, rue du Général Delestraint, F-57070 Metz, France.

Abstract

Mycobacterium sp. SNP11 has a high PAH biodegradation potential. In this paper, the toxicity of pyrene, fluoranthene, phenanthrene, and their dead-end metabolites, accumulated in the media after biodegradation by Mycobacterium sp. SNP11, were evaluated by a screening battery of acute, chronic, and genotoxic tests. According to the bioassays, performed on bacteria (Vibrio fischeri, Salmonella typhimurium strains TA1535/pSK1002, TA97a, TA98, TA100), algae (Pseudokirchneriella subcapitata), and crustaceans (Daphnia magna, Ceriodaphnia dubia), total disappearance or a very significant reduction of the (geno)toxic potential was observed after PAH degradation by Mycobacterium sp. SNP11.

PMID:
16753216
DOI:
10.1016/j.ecoenv.2006.03.005
[Indexed for MEDLINE]
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