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Biochem Genet. 1975 Dec;13(11-12):789-803.

Esterase polymorphism and sensitivity to Dursban organophosphorus insecticide in Culex pipiens pipiens populations.

Abstract

Esterase polymorphism and Dursban (O,O-dimethyl-2-pyridylphosphorothioate) sensitivity have been investigated in 12 natural populations and three laboratory strains of Culex pipiens pipiens. This mosquito has two esterase loci, Est-1 and Est-2, which were shown to code esterases of the B group (aliesterases) but not cholinesterases. No correlation between Est-1 polymorphism and Dursban sensitivity was found, but the increase of the Est-2(0.64) allele in the populations less sensitive to Dursban was highly significant (r = -0.9850 for 6 df).

PMID:
54163
[Indexed for MEDLINE]
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