Evol Ecol Res 8: 1291-1299 (2006)     Full PDF if your library subscribes.

Mushrooms as potential sources of Wolbachia-curing antibiotics

John Jaenike,* Susan Elizondo and Nicholas Delahanty

Department of Biology, University of Rochester, Rochester, NY 14627, USA

Author to whom all correspondence should be addressed.
e-mail: joja@mail.rochester.edu


Background: Drosophila innubila is infected with maternally transmitted male-killing Wolbachia. The mushrooms on which mycophagous Drosophila feed are chemically diverse. It is possible that some species contain antibiotics that could cure flies of their Wolbachia infections. Such curing would result in an immediate doubling of offspring production, would affect the prevalence of infection in natural populations, and would influence where Drosophila prefer to oviposit.

Methods: Drosophila innubila were reared on ∼100 diverse species of mushrooms and their subsequent offspring sex ratios monitored for evidence of antibiotic curing of Wolbachia infection.

Results: None of the mushrooms tested provided compelling evidence of antibiotic activity against Wolbachia.

Keywords: antimicrobial, Drosophila innubila, endosymbionts, male killing.

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