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Development of polymorphic microsatellite markers for the livebearing fish Poecilia parae

Authors


Alexander Nater, Fax: +41 44 635 68 04; E-mail: a.nater@aim.uzh.ch

Abstract

We developed 16 novel polymorphic tetranucleotide microsatellite markers for Poecilia parae, a livebearing fish used in evolutionary studies because of its Y-linked colour and size polymorphism. A set of 199 clones was sequenced out of an enriched genomic library, and we achieved an enrichment efficiency of nearly 80%. Primers were designed for 16 pure repeats, and 59 P. parae were screened for polymorphism. Cross-amplification was tested on Poecilia picta and Poecilia reticulata, the guppy. The new microsatellite markers showed an exceptionally high allelic diversity and low stutter formation, proving their suitability for a broad range of applications in these species.

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