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首页> 外文期刊>Applications in plant sciences. >Development of Microsatellite Markers for Cypripedium tibeticum (Orchidaceae) and their Applicability to Two Related Species
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Development of Microsatellite Markers for Cypripedium tibeticum (Orchidaceae) and their Applicability to Two Related Species

机译:ib兰(Cypedpedium tibeticum)(兰科)微卫星标记的开发及其在两个相关物种中的适用性

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Premise of the study: To investigate genetic diversity and structure, microsatellite markers were developed and characterized for Cypripedium tibeticum , an endangered orchid species, and their utility tested in two relatives: C. flavum and C. bardolphianum . Methods and Results: Candidate microsatellite loci were isolated based on next-generation sequencing. We identified 20 polymorphic loci with di- or trinucleotide repeats in three populations of C. tibeticum . Genotyping results showed the total number of alleles per locus varied from two to 21, and the observed and expected heterozygosity ranged from 0.261 to 0.967 and 0.441 to 0.960, respectively. Cross-species amplification showed most of the markers were applicable to C. flavum and C. bardolphianum . Conclusions: The 20 polymorphic microsatellite markers developed in this study are useful tools for studying the conservation genetics and phylogeography of C. tibeticum and its related species.
机译:研究的前提:为研究遗传多样性和结构,开发了微卫星标记并鉴定了濒危兰花物种species兰(Cypripedium tibeticum),并在两个亲缘种(C. flavum和C. bardolphianum)中测试了它们的效用。方法和结果:基于下一代测序技术分离了候选微卫星基因座。我们在C.tibeticum的三个种群中鉴定出了具有二或三核苷酸重复序列的20个多态位点。基因分型结果表明,每个基因座的等位基因总数从2到21不等,观察到的和预期的杂合度分别为0.261至0.967和0.441至0.960。跨物种扩增显示大多数标记物适用于黄曲霉和棒状假丝酵母。结论:本研究开发的20个多态性微卫星标记是研究胫骨梭菌及其相关物种的保守遗传和系统地理学的有用工具。

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