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Isolation and characterization of microsatellite markers in Dendrobium officinale,an endangered herb endemic to China
Authors:S. GU  X. Y. DING  Y. WANG  Q. ZHOU  G. DING  X. X. LI  L. QIAN
Abstract:As an invaluable herb, Dendrobium officinale has been in severe danger since 1950 because of human exploitation and habitat deterioration. In order to investigate the genetic diversity and structure of this species, we isolated and characterized 12 microsatellite loci derived from two microsatellite‐enriched libraries. Twenty‐two individuals from Leye population were analysed. These loci were polymorphic and displayed three to 12 alleles per locus. The observed and expected heterozygosities ranged from 0.150 to 0.624 and from 0.162 to 0.605, respectively. These are the first microsatellite loci characterized from D. officinale that will contribute to research on the conservation, genetic diversity, population structure and individual authentication.
Keywords:Dendrobium officinale  microsatellite  population  simple sequence repeat (SSR)
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