Affiliation:
1. Crops Research Division, Agricultural Research Service, U.S. Department of Agriculture, Beltsville, Maryland
Abstract
Microbial degradation of isopropyl-
N
-3-chlorophenylcarbamate (CIPC) and 2-chloroethyl-
N
-3-chlorophenylcarbamate (CEPC) was observed in a soil perfusion system. Degradation in perfused soils, and by pure cultures of effective bacterial isolates, was demonstrated by the production of 3-chloroaniline and the subsequent liberation of free chloride ion. Identified isolates effective in degrading and utilizing CIPC as a sole source of carbon included
Pseudomonas striata
Chester, a
Flavobacterium
sp., an
Agrobacterium
sp., and an
Achromobacter
sp. Identified isolates, effective in degrading and utilizing CEPC as a sole source of carbon, included an
Achromobacter
sp. and an
Arthrobacter
sp. CIPC-effective isolates degraded CEPC more slowly than CIPC, whereas CEPC-effective isolates degraded CIPC more rapidly than CEPC. Both CIPC- and CEPC-effective isolates degraded isopropyl
N
-phenylcarbamate (IPC) more rapidly than either CIPC or CEPC.
Publisher
American Society for Microbiology
Subject
General Pharmacology, Toxicology and Pharmaceutics,General Immunology and Microbiology,General Biochemistry, Genetics and Molecular Biology,General Medicine
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