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  • Please use this identifier to cite or link to this item: https://repositorio.uti.edu.ec//handle/123456789/3140
    Title: Isolation and characterization of 12 microsatellite loci in Epipedobates anthonyi (Amphibia: Anura: Dendrobatidae) for population genetic analysis
    Authors: Páez-Vacas, Mónica
    Oleas, Nora
    Issue Date: 2019
    Publisher: Molecular Biology Reports2019
    Abstract: Tropical anurans are among the most diverse and vulnerable organisms on Earth, yet the evolutionary mechanisms behind their diversity remain relatively unexplored. Epipedobates anthonyi is a poison frog that inhabits southern Ecuador and northern Peru along a broad elevational range (0–1800 m). Throughout its range, this species exhibits variation in phenotypic traits, such as color, advertisement calls, and alkaloid composition. The aim of this study is to isolate and characterize microsatellite loci to investigate patterns of genetic variation within the species. Using a next-generation sequencing approach to screen an enriched genomic library, we report twelve polymorphic microsatellite loci. The number of alleles per locus ranged from 7 to 15 per population. For the two populations tested, mean observed heterozygosity was 0.69 and 0.79, and mean expected heterozigosity was 0.84 and 0.85 respectively. Only locus EAN002 showed significant departure of HWE in both populations. None of the loci showed consistent null alleles in both populations. Also, no evidence of linkage disequilibrium was found across loci. In this paper, we report for the first time 12 microsatellite loci for E. anthonyi. These markers will be used to further elucidate evolutionary mechanisms underlying genetic and phenotypic variation across the species’ range.
    URI: https://www.semanticscholar.org/paper/Isolation-and-characterization-of-12-microsatellite-P%C3%A1ez-Vacas-Oleas/9e6eb09b05995951ba9b695d113e5a5d99d6cab5
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