Action de la ?-endotoxine de Bacillus thuringiensis var. israelensis sur cultures de cellules de Aedes aegypti L
Autor(es): CHARLES, JF
Resumo: The effects ofÿBacillus thuringiensisÿvar.ÿisraelensisÿ?-endotoxin were investigated on a cell culture ofAedes aegyptiÿwith the electron microscope. The ultrastructural changes following intoxication were: disintegration of endoplasmic reticula by the formation of spherical structures; condensation and then swelling of mitochondria with disappearance of internal cristae; frequent dilatation of the perinuclear space; cellular lysis. The action of a metabolic inhibitor, 2,6-dibromophenol (2,6-DBP), was tested for comparison: beyond condensation of mitochondria, no changes in other cell structures were observed. These data seem to indicate that the mode of action of ?-endotoxin is quite different from that of 2,6 DBP
Palavras-Chave: Bacillus thuringiensis var; Israelensis, ?-Endotoxin, Aedes aegypti; Cell culture
Imprenta: Annales de Microbiologie, v. 134, n. 3, p. 365-381, 1983
Identificador do objeto digital: 10.1016/0769-2609(83)90012-1
Descritores: Aedes aegypti - Cell
Data de publicação: 1983
