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Title

Utility of pairwise mtDNA genetic distances for predicting cross-species microsatellite amplification and polymorphism success in fishes

AuthorsCarreras-Carbonell, Josep ; Macpherson, Enrique ; Pascual, Marta
KeywordsCross-species amplification
Genetic divergence
Microsatellites
Polymorphism
12S rRNA
16S rRNA
Fishes
Issue Date2008
PublisherSpringer
CitationConservation Genetics 9(1) : 181-190 (2008)
AbstractIn many studies involving microsatellites crossspecies amplification, primers designed for one (source) species are used to amplify homologous loci in related (target) species. However, it is not clear how closely related the species must be to attain significant success. Genetic divergence is a clear and easy way to assess similarity between species and provides an accurate measure of their evolutionary distance. Eight Mediterranean target species of the family Serranidae were analysed using twelve primers developed for Serranus cabrilla. Additionally, two mitochondrial genes (12S rRNA and 16S rRNA) were chosen on the basis of their extensive use in phylogenetic and evolutionary analyses to compute genetic divergence between the species. Significant negative correlations were found between genetic divergence and both cross-species amplification and maintained polymorphism of microsatellite markers, which could be generalized by gathering information from different fish studies. The success of obtaining amplifiable and polymorphic microsatellite loci can be a priori approximated knowing the mtDNA genetic divergence between a given source and target species using our inferred regression equations.
Description10 páginas, 1 figura, 2 tablas.
Publisher version (URL)http://dx.doi.org/10.1007/s10592-007-9322-2
URIhttp://hdl.handle.net/10261/58521
DOI10.1007/s10592-007-9322-2
ISSN1566-0621
E-ISSN1572-9737
Appears in Collections:(CEAB) Artículos
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