Article
Female characteristics in the Drosophila melanogaster-sigma virus system in natural populations from Languedoc (southern France).
Archives of virology - 1 Jan 1994
Fleuriet A
Abstract excerpt
The Drosophila melanogaster-sigma virus system has been extensively analysed for some years in Languedoc. The sigma virus, endemically present in natural populations of the fly, is not contagious but vertically transmitted. The frequency of infected flies dramatically increased from 1983 to 1988 in Languedoc and the increase was clearly correlated with some viral characteristics. From 1988 onwards, this frequency...
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