Summary
Flies infected or uninfected by the hereditary Rhabdovirus sigma have been collected in natural French populations ofDrosophila melanogaster. They have been compared for various physiological traits: male and female fertility, female longevity, sexual selection and egg viability. The only significant difference was the lower viability of eggs laid by infected females. For all the other traits, infected and uninfected flies were quite comparable. The viral types found in flies of wild origin, thus appear to be almost harmless for their carriers. This result can be connected with previous findings which gave evidence for the relative infrequency of infectious particles in stabilized flies of wild origin.
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Fleuriet, A. Comparison of various physiological traits in flies (Drosophila melanogaster) of wild origin, infected or uninfected by the hereditary Rhabdovirus sigma. Archives of Virology 69, 261–272 (1981). https://doi.org/10.1007/BF01317341
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DOI: https://doi.org/10.1007/BF01317341