First-generation linkage map for the European tree frog (Hyla arborea) with utility in congeneric species.
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2014
- doi: 10.1186/1756-0500-7-850
- issn: 1756-0500
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European green tree frog Hyla arborea Green tree frog, European Common hyla European tree frogCiter ce document
C. Dufresnes et al., « First-generation linkage map for the European tree frog (Hyla arborea) with utility in congeneric species. », Serveur académique Lausannois, ID : 10.1186/1756-0500-7-850
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BACKGROUND: Western Palearctic tree frogs (Hyla arborea group) represent a strong potential for evolutionary and conservation genetic research, so far underexploited due to limited molecular resources. New microsatellite markers have recently been developed for Hyla arborea, with high cross-species utility across the entire circum-Mediterranean radiation. Here we conduct sibship analyses to map available markers for use in future population genetic applications. FINDINGS: We characterized eight linkage groups, including one sex-linked, all showing drastically reduced recombination in males compared to females, as previously documented in this species. Mapping of the new 15 markers to the ~200 My diverged Xenopus tropicalis genome suggests a generally conserved synteny with only one confirmed major chromosome rearrangement. CONCLUSIONS: The new microsatellites are representative of several chromosomes of H. arborea that are likely to be conserved across closely-related species. Our linkage map provides an important resource for genetic research in European Hylids, notably for studies of speciation, genome evolution and conservation.