Infection of the Gonads of the SimES Strain of Drosophila simulans by the Hereditary Reovirus DSV

Author: Ferber M.L.   Rios A.F.   Kuhl G.   Comendador M.A.   Louis C.  

Publisher: Academic Press

ISSN: 0022-2011

Source: Journal of Invertebrate Pathology, Vol.70, Iss.2, 1997-09, pp. : 143-149

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Abstract

The S character of Drosophila simulans SimES-st strain undergoes a non-mendelian transmission. It has been postulated that a virus, Drosophila S virus (DSV), could be the causative agent. Electron microscopy analysis of gonads of flies showing a strong S phenotype revealed the presence of virus in or near the germ cells. The S character transmission rate is greater in females than that in males. Similarly, the level of infection by DSV is higher in ovaries than that in testes. Flies treated at a nonpermissive temperature do not present the S phenotype and appear to be cured from the virus. This information, taken together with previous work, makes the hypothesis that DSV is the causative agent of the S phenotype more than likely.

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