Isolation and characterization of the first microsatellite markers for the endangered swan mussel <Emphasis Type="Italic">Anodonta cygnea</Emphasis> L. (Bivalvia: Unionoidea) |
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Authors: | Juergen Geist Jutta Geismar Ralph Kuehn |
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Institution: | 1.Unit of Functional Aquatic Ecology and Fish Biology, Department of Animal Science,Technische Universit?t München,Freising,Germany;2.Unit of Molecular Zoology, Department of Animal Science,Technische Universit?t München,Freising,Germany |
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Abstract: | Freshwater molluscs are globally critically threatened, yet little is known about their genetic diversity. We describe the
isolation and characterization of the first microsatellite markers for the European swan mussel, Anodonta cygnea. Nine loci were polymorphic in a panel of 110 individuals from seven German and Estonian populations. Number of alleles ranged
from 2 to 14 and heterozygosity levels ranged from 0.021 to 0.498 for H
o and from 0.069 to 0.634 for H
e. Deficiency of heterozygous genotypes was observed in six loci. The length of the microsatellite repeat motives was positively
correlated with the allele numbers in the respective loci. |
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Keywords: | |
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