Competing Selfish Genetic Elements in the Butterfly Hypolimnas bolina

Charlat, Sylvain, Engelstädter, Jan, Dyson, Emily A., Hornett, Emily A., Duplouy, Anne, Tortosa, Pablo, Davies, Neil, Roderick, George K., Wedell, Nina and Hurst, Gregory D. D. (2006) Competing Selfish Genetic Elements in the Butterfly Hypolimnas bolina. Current Biology, 16 24: 2453-2458. doi:10.1016/j.cub.2006.10.062


Author Charlat, Sylvain
Engelstädter, Jan
Dyson, Emily A.
Hornett, Emily A.
Duplouy, Anne
Tortosa, Pablo
Davies, Neil
Roderick, George K.
Wedell, Nina
Hurst, Gregory D. D.
Title Competing Selfish Genetic Elements in the Butterfly Hypolimnas bolina
Formatted title
Competing Selfish Genetic Elements in the Butterfly Hypolimnas bolina
Journal name Current Biology   Check publisher's open access policy
ISSN 0960-9822
Publication date 2006-12
Year available 2006
Sub-type Article (original research)
DOI 10.1016/j.cub.2006.10.062
Open Access Status
Volume 16
Issue 24
Start page 2453
End page 2458
Total pages 6
Place of publication United States
Publisher Cell Press
Collection year 2007
Language eng
Subject C1
270799 Ecology and Evolution not elsewhere classified
270307 Microbial Ecology
780105 Biological sciences
Abstract Maternally inherited selfish genetic elements are common in animals [1]. Whereas host genetics and ecology are recognized as factors that may limit the incidence of these parasites [2] and [3], theory suggests one further factor—interference with other selfish elements—that could affect their prevalence [4] and [5]. In this paper, we show that spatial heterogeneity in the occurrence of the male-killing Wolbachia wBol1 in the tropical butterfly Hypolimnas bolina [6] is caused by a second infection that can exclude the male-killer. We first provide evidence of a second Wolbachia strain, wBol2, present in most populations that do not carry the male-killer but rare or absent when the male-killer is present. Crossing data indicate that wBol2 in males induces cytoplasmic incompatibility to both uninfected and wBol1-infected females. The wBol2 infection can therefore not only spread through uninfected populations but also resist invasion by wBol1. Thus, we provide empirical support for the hypothesis that the incidence of particular selfish genetic elements can limit the presence of competing types.
Keyword EVO_ECOL
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: Excellence in Research Australia (ERA) - Collection
School of Biological Sciences Publications
 
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Created: Thu, 08 May 2008, 10:19:22 EST by Sian Rodgie on behalf of School of Biological Sciences