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Histopathologie de l'action de la δ-endotoxine deBacillus thuringiensis var.Israelensis sur les larves d'Aedes aegypti (Dip.:Culicidae)

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Résumé

L'ingestion de la δ-endotoxine deBacillus thuringiensis Berliner sérotype H 14 par les larves d'Aedes aegypti L. est suivie par l'apparition d'importantes lésions au niveau de l'intestin moyen. Les dégâts ont une amplitude et une vitesse plus ou moins grandes suivant les types cellulaires du mesenteron, mais se traduisent toujours par une hypertrophie cellulaire suivie d'une lyse de l'épithélium.

Summary

Ingestion of theBacillus thuringiensis Berliner sérotype H-14 δ-endotoxin byAedes aegypti L. larvae is followed by important lesions at the midgut level. The severity and speed of injury are dependent upon the cellular types of the mesenteron, but are always expressed by a cellular hypertrophy followed by an epithelial lysis.

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Authors and Affiliations

  1. Unité de Lutte Biologique II, Institut Pasteur, 25, rue du Dr-Roux, Paris, France

    J. F. Charles & Huguette de Barjac

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  1. J. F. Charles
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  2. Huguette de Barjac
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Cette étude a bénéficié d'une aide financière du Programme Spécial PNUD — Banque Mondiale —OMS de Recherche et de Formation concernant les maladies tropicales.

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Charles, J.F., de Barjac, H. Histopathologie de l'action de la δ-endotoxine deBacillus thuringiensis var.Israelensis sur les larves d'Aedes aegypti (Dip.:Culicidae). Entomophaga 26, 203–212 (1981). https://doi.org/10.1007/BF02375033

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