Vertical transmission of the Piry rhabdovirus by sigma virus-infected Drosophila melanogaster females.
Piry rhabdovirus is not transmitted from Drosophila melanogaster females to their progeny. However, in mixed infections with sigma, another rhabdovirus, bearing the g+ genetic marker, Piry may occasionally be transmitted to offspring. Thus, an endemic Drosophila virus can act as a helper virus enabling vertical transmission of a virus pathogenic to vertebrates.
Ohanessian
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Laboratoire de Génétique des Virus, CNRS, Gif sur Yvette, France.
D000818:Animals; D004331:Drosophila melanogaster / Q000382:microbiology*; D005260:Female; D007303:Insect Vectors / Q000382:microbiology*; D007304:Insect Viruses / Q000502:physiology*; D012209:Rhabdoviridae / Q000502:physiology*; D014777:Virus Diseases / Q000635:transmission*