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Title: Characterization of thirty two microsatellite loci for three Atlanto-Mediterranean echinoderm species
Author: García Cisneros, Álex
Valero Jiménez, Claudio
Palacín Cabañas, Cruz
Pérez Portela, Rocío
Keywords: Equinoderms
Mediterrània (Mar)
Mediterranean Sea
Issue Date: Mar-2013
Publisher: Springer Science + Business Media
Abstract: Thirty two microsatellites were optimized from 454 pyrosequencing libraries for three Atlanto-Mediterranean echinoderms: Coscinasterias tenuispina, Echinaster sepositus and Arbacia lixula. We observed different frequency of microsatellite types (di-, tri-, tetra- and pentanucleotide) throughout the genome of the species, but no significant differences were observed in allele richness among different microsatellite repeats. No loci showed linkage disequilibrium. Heterozygosity deficit and departure from Hardy Weinberg equilibrium were observed for some loci, in two species, probably due to high levels of inbreeding. Heterozygosity excess observed in C. tenuispina could be explained by selection against homozygotes and/or outcrossing.
Note: Versió postprint del document publicat a:
It is part of: Conservation Genetics Resources, 2013, vol. 5, num. 3, p. 749-753
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ISSN: 1877-7252
Appears in Collections:Articles publicats en revistes (Biologia Evolutiva, Ecologia i Ciències Ambientals)

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