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. 1997;42(6):574-6.
doi: 10.1007/BF02815468.

Possible involvement of plasmids in degradation of malathion and chlorpyriphos by Micrococcus sp

A Guha  1 , B Kumari, T C Bora, M K Roy
Affiliations

Possible involvement of plasmids in degradation of malathion and chlorpyriphos by Micrococcus sp

A Guha et al. Folia Microbiol (Praha). 1997.

Abstract

Two plasmid-harboring strains of Micrococcus sp. (M-36 and AG-43) degrade malathion and chlorpyriphos. Derivatives of the strains (SDS-36 and AO-43) treated with acridine orange and sodium dodecyl sulfate could not utilize malathion and chlorpyriphos for growth as the sole carbon source. Agarose gel electrophoresis of cell extracts of M-36 and AG-43 revealed the presence of a plasmid which was absent in SDS-36 and AO-43--suggesting probable involvement of plasmids in the degradation of malathion and chlorpyriphos by M-36 and AG-43. Nalidixic acid resistance in M-36 was also lost upon elimination of plasmids.

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