Development and validation of microsatellite markers for the tiny dragonfly, <Emphasis Type="Italic">Nannophya pygmaea</Emphasis> (Odonata: Libellulidae), which is endangered in South Korea |
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Authors: | Min Jee Kim Ah Rha Wang Sung Soo Kim Junghwa An Iksoo Kim |
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Institution: | 1.Department of Applied Biology, College of Agriculture and Life Sciences,Chonnam National University,Gwangju,Republic of Korea;2.Research Institute for East Asian Environment and Biology,Seoul,Republic of Korea;3.Animal Resources Division,National Institute of Biological Resources,Incheon,Republic of Korea |
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Abstract: | The tiny dragonfly, Nannophya pygmaea (Odonata: Libellulidae), is listed as a second-degree endangered wild animal in South Korea. The application of molecular markers to assess genetic diversity and population relationships can provide information necessary to establish an effective conservation strategy. In this study, we developed 12 microsatellite markers specific to N. pygmaea using the NextSeq 500 platform. Forty individuals of N. pygmaea collected from three currently known localities in South Korea were genotyped to validate these markers and to preliminarily assess population genetic characteristics. The observed number of alleles, observed heterozygosity, and expected heterozygosity at a locus ranged from 2 to 9, 0.421–1.0, and 0.508–0.766 in a population with the largest sample size (20 individuals), respectively, thereby validating the suitability of the markers for population analysis. Five of 12 loci showed significant deviation from the Hardy–Weinberg equilibrium in the population. Our preliminary data indicate an absence of inbreeding in all populations and an absence of obvious genetic difference. The microsatellite markers developed in this study will be useful for studying the population genetics of N. pygmaea collected from other regions worldwide, including additional sites in South Korea. |
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