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Effect of GSH depletion mediated by l-BSO on the insecticidal activity of DDT and fenitrothion in Triatoma infestans (Hemiptera).

Author information

1
Centro de Investigaciones de Plagas e Insecticidas, CIPEIN- (CITEFA-CONICET), Buenos Aires, Argentina.

Abstract

l-BSO injected at a sublethal dose in nymph V of Triatoma infestans produces a transient GSH depletion in the abdomen. A depletion of the total content of GSH was observed in nymph II fed with a sublethal concentration of l-BSO. Either ingestion or injection pretreatments of T. infestans nymph V with sublethal concentrations of l-BSO produced a slight synergism on the toxicity of fenitrothion. Feeding administration of a sublethal concentration of l-BSO to nymphs II of T. infestans resulted in a weak potentiation of the acute toxicity of DDT.

PMID:
8061956
DOI:
10.1016/1367-8280(94)90086-8
[Indexed for MEDLINE]

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