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Towards unravelling Wolbachia global exchange: a contribution from the Bicyclus and Mylothris butterflies in the Afrotropics
A. Duplouy, R. Pranter, H. Warren-Gash, R. Tropek, N. Wahlberg
Language English Country Great Britain
Document type Journal Article, Research Support, Non-U.S. Gov't
Grant support
790531
H2020 Marie Skłodowska-Curie Actions
1328944
Academy of Finland
UNCE204069
Charles University
PRIMUS/17/SCI/8
Charles University
Waitt Grant W163-11
National Geographic Society
2015-04441
Swedish Research Council
NLK
BioMedCentral
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Directory of Open Access Journals
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Free Medical Journals
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PubMed Central
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ProQuest Central
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Open Access Digital Library
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Open Access Digital Library
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Medline Complete (EBSCOhost)
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- MeSH
- Biodiversity MeSH
- Phylogeny MeSH
- Genome, Bacterial MeSH
- Lepidoptera genetics physiology MeSH
- Gene Transfer, Horizontal * MeSH
- Symbiosis * MeSH
- Wolbachia genetics physiology MeSH
- Geography MeSH
- Animals MeSH
- Check Tag
- Animals MeSH
- Publication type
- Journal Article MeSH
- Research Support, Non-U.S. Gov't MeSH
- Geographicals
- Africa MeSH
BACKGROUND: Phylogenetically closely related strains of maternally inherited endosymbiotic bacteria are often found in phylogenetically divergent, and geographically distant insect host species. The interspecies transfer of the symbiont Wolbachia has been thought to have occurred repeatedly, facilitating its observed global pandemic. Few ecological interactions have been proposed as potential routes for the horizontal transfer of Wolbachia within natural insect communities. These routes are however likely to act only at the local scale, but how they may support the global distribution of some Wolbachia strains remains unclear. RESULTS: Here, we characterize the Wolbachia diversity in butterflies from the tropical forest regions of central Africa to discuss transfer at both local and global scales. We show that numerous species from both the Mylothris (family Pieridae) and Bicyclus (family Nymphalidae) butterfly genera are infected with similar Wolbachia strains, despite only minor interclade contacts across the life cycles of the species within their partially overlapping ecological niches. The phylogenetic distance and differences in resource use between these genera rule out the role of ancestry, hybridization, and shared host-plants in the interspecies transfer of the symbiont. Furthermore, we could not identify any shared ecological factors to explain the presence of the strains in other arthropod species from other habitats, or even ecoregions. CONCLUSION: Only the systematic surveys of the Wolbachia strains from entire species communities may offer the material currently lacking for understanding how Wolbachia may transfer between highly different and unrelated hosts, as well as across environmental scales.
Department of Biology Lund University Lund Sweden
Department of Ecology Faculty of Science Charles University Prague Czech Republic
Organismal and Evolutionary Biology Research Programme The University of Helsinki Helsinki Finland
Overstrand Mansions Prince of Wales Drive London SW11 4EU UK
References provided by Crossref.org
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