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J Invertebr Pathol ; 70(2): 143-9, 1997 Sep.
Article in English | MEDLINE | ID: mdl-9281403

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.


Subject(s)
Drosophila/virology , Insect Viruses/isolation & purification , Reoviridae/isolation & purification , Animals , Drosophila/ultrastructure , Female , Insect Viruses/ultrastructure , Male , Ovary/virology , Reoviridae/ultrastructure , Temperature , Testis/virology
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