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Development of microsatellite markers in Byrsonima crassifolia (Malpighiaceae)
Genevieve K Croft1, Barbara A Schaal
1Biology Department, Washington University, 1 Brookings Drive, Campus Box 1137, St. Louis, Missouri 63130 USA. croft@wustl.edu
Premise Of The Study:
We developed and characterized microsatellite markers for Byrsonima crassifolia (Malpighiaceae), a widely distributed neotropical fruit tree.
Methods And Results:
Eight polymorphic and two monomorphic microsatellite loci were identified and screened in 60 samples from four geographically disparate populations (Bolivia, Brazil, Mexico, and Panama). Each locus exhibited between two and 11 alleles. Expected heterozygosity ranged from 0 to 0.839. All loci amplify in the congeners B. variabilis and B. basiloba, four amplify in B. bucidaefolia, and seven amplify in B. variabilis, although levels of polymorphism have not been assessed.
Conclusions:
These loci will provide novel tools for comparing genetic diversity present in cultivated and noncultivated populations of B. crassifolia throughout its range, and may prove valuable in related species.
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