High temperature of development and selection of Bacillus thuringiensis-supernatant-resistant females in a Drosophila melanogaster Oregon R strain.

Abstract excerpt

The supernatant of Bacillus thuringiensis cultures contains a thermostable toxin: the beta exotoxin or thuringiensin, which in vivo acts as a preferential inhibitor of ribosomal RNA synthesis. Added to Drosophila melanogaster culture medium, it induces, during the flies' development, a lethal effect that is, in our Oregon R strain, greater for females than for males. The authors have previously shown that a...

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