Data from: Infectious adaptation: potential host range of a defensive endosymbiont in Drosophila

Tamara S. Haselkorn, Sarah N. Cockburn, Phineas T. Hamilton, Steve. J Perlman & John Jaenike
Maternally transmitted symbionts persist over macroevolutionary time scales by undergoing occasional lateral transfer to new host species. To invade a new species, a symbiont must survive and reproduce in the new host, undergo maternal transmission, and confer a selective benefit sufficient to overcome losses due to imperfect maternal transmission. Drosophila neotestacea is naturally infected with a strain of Spiroplasma that restores fertility to nematode-parasitized females, which are otherwise sterilized by parasitism. We experimentally transferred Spiroplasma...
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