A microsatellite study in the Łęgucki Młyn/Popielno hybrid zone reveals no genetic differentiation between two chromosome races of the common shrew (Sorex araneus)

• DOI: 10.1007/s13364-011-0029-x
• Publication Date: 2011-02-21T22:23:29Z
• Authors: Magdalena Moska; Heliodor Wierzbicki; Anna Macierzyńska; Tomasz Strzała; Robert Maślak; Marcin Warchałowski
• Keywords: Sorex; Hybrid zone; Araneus; Fixation index; Genetic distance

This study investigated a chromosome hybrid zone between two chromosomal races of the common shrew (Sorex araneus). Gene flow and genetic structure zone, located in northeast Poland, were studied using seven polymorphic autosomal microsatellite loci (L9, L14, L33, L45, L67, L68, L97) Y-linked locus (L8Y). Seventy-five animals (46 Łęgucki Młyn race 29 Popielno race) from nine different localities examined data analyzed hierarchical AMOVA F-statistic. The (divided into geographical populations) characterized by observed heterozygosity (H O), expected heterozygosities within S), T) populations, inbreeding coefficient (F IS), fixation index ST), average allelic richness (A). We found that structuring weak non-significant. finding unconstrained gene indicates high level migration Młyn/Popielno suggesting evolutionarily important does not occur interracial zones where which are genetically distinct come contact.