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Characterization of ten new microsatellite loci from the endangered endemic rodent, Reithrodontomys spectabilis

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Abstract

Reithrodontomys spectabilis is an endemic rodent inhabiting Cozumel island in the Mexican Caribbean. This species is categorized as Threatened by Mexican law and as Critically Endangered by the IUCN. We report 10 polymorphic microsatellite loci, which were tested in 30 individuals trapped on the island. Results show a number of alleles ranging from 3 to 14, an observed heterozygosity of 0.200–0.967 and expected heterozygosities from 0.396 to 0.899. Two loci showed deviation from Hardy–Weinberg equilibrium. None of the loci showed linkage disequilibrium. These new microsatellite loci for R. spectabilis are vital to investigate different aspects of genetic diversity and help conservation of this endemic, threatened species.

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Acknowledgments

We thank the following people for help during field-work: R. Vega, C. González-Baca, E. Fuentes-Montemayor, A.D. Cuarón and other members of the Cozumel Project. E. Vázquez-Domínguez acknowledges financial support from the Instituto de Ecología, UNAM, from Programa de Apoyo a Proyectos de Investigación e Innovación Tecnológica (grants IX238004 and IN219707) and from Consejo Nacional de Ciencia y Tecnología (CONACyT grant 101861). S. Espindola acknowledges the scholarship and financial support provided by CONACyT (No. 245447). Scientific collector permit to E.V.D.: Semarnat-FAUT-0168.

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Correspondence to Ella Vázquez-Domínguez.

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Vázquez-Domínguez, E., Espindola, S. Characterization of ten new microsatellite loci from the endangered endemic rodent, Reithrodontomys spectabilis . Conservation Genet Resour 5, 251–253 (2013). https://doi.org/10.1007/s12686-012-9780-9

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