Wolbachia transfer from Rhagoletis cerasi to Drosophila simulans: Investigating the outcomes of host-symbiont coevolution

Riegler, M, Charlat, S, Stauffer, C and Mercot, H (2004) Wolbachia transfer from Rhagoletis cerasi to Drosophila simulans: Investigating the outcomes of host-symbiont coevolution. Applied And Environmental Microbiology, 70 1: 273-279. doi:10.1128/AEM.70.1.273-279.2004

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Author Riegler, M
Charlat, S
Stauffer, C
Mercot, H
Title Wolbachia transfer from Rhagoletis cerasi to Drosophila simulans: Investigating the outcomes of host-symbiont coevolution
Journal name Applied And Environmental Microbiology   Check publisher's open access policy
ISSN 0099-2240
Publication date 2004-01-01
Sub-type Article (original research)
DOI 10.1128/AEM.70.1.273-279.2004
Open Access Status File (Publisher version)
Volume 70
Issue 1
Start page 273
End page 279
Total pages 7
Editor J. Walls
N. Ornston
Place of publication Washington DC, USA
Publisher Amer Society Microbiology
Collection year 2004
Language eng
Subject C1
270799 Ecology and Evolution not elsewhere classified
780105 Biological sciences
Abstract Wolbachia is an endosymbiont of diverse arthropod lineages that can induce various alterations of host reproduction for its own benefice. Cytoplasmic incompatibility (CI) is the most common phenomenon, which results in embryonic lethality when males that bear Wolbachia are mated with females that do not. In the cherry fruit fly, Rhagoletis cerasi, Wolbachia seems to be responsible for previously reported patterns of incompatibility between populations. Here we report on the artificial transfer of two Wolbachia variants (wCer1 and wCer2) from R. cerasi into Drosophila simulans, which was performed with two major goals in mind: first, to isolate wCer1 from wCer2 in order to individually test their respective abilities to induce Cl in the new host; and, second, to test the theoretical prediction that recent Wolbachia-host associations should be characterized by high levels of CI, fitness costs to the new host, and inefficient transmission from mothers to offspring. wCer1 was unable to develop in the new host, resulting in its rapid loss after successful injection, while wCer2 was established in the new host. Transmission rates of wCer2 were low, and the infection showed negative fitness effects, consistent with our prediction, but CI levels were unexpectedly lower in the new host. Based on these parameter estimates, neither wCer1 nor wCer2 could be naturally maintained in D. simulans. The experiment thus suggests that natural Wolbachia transfer between species might be restricted by many factors, should the ecological barriers be bypassed.
Keyword Biotechnology & Applied Microbiology
Microbiology
Cherry Fruit-fly
Induced Cytoplasmic Incompatibility
Arthropod Reproduction
Infection Frequencies
Diptera-tephritidae
Horizontal Transfer
Populations
Expression
Evolution
Parthenogenesis
Q-Index Code C1

 
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Created: Wed, 15 Aug 2007, 14:27:58 EST