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KMID : 0381120220440121471
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Genes and Genomics
2022 Volume.44 No. 12 p.1471 ~ p.1476
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Development of markers using microsatellite loci of two rove beetle species, Paederus fuscipes Curtis and Aleochara (Aleochara) curtula Goeze (Coleoptera: Staphylinidae), followed by analyses of genetic diversity and population structure
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Choi Yeon-Jae
Yi Jee-Soo
Lee Chan-Jun
Kim Ji-Wook
Jeon Mi-Jeong
Park Jong-Seok
Cho Sung-Jin
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Abstract
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Background: The family Staphylinidae is the most speciose beetle group in the world. The outbreaks of two staphylinid species, Paederus fuscipes and Aleochara (Aleochara) curtula, were recently reported in South Korea. None of research about molecular markers and genetic diversity have been conducted in these two species.
Objective: To develop microsatellite markers and analyze the genetic diversity and population structures of two rove beetle species.
Methods: NGS was used to sequence whole genomes of two species, Paederus fuscipes and Aleochara (Aleochara) curtula. Microsatellite loci were selected with flanking primer sequences. Specimens of P. fuscipes and A. curtula were collected from three localities, respectively. Genetic diversity and population structure were analyzed using the newly developed microsatellite markers.
Results: The number of alleles ranged 5.727-6.636 (average 6.242) and 2.182-5.364 (average 4.091), expected heterozygosity ranged 0.560-0.582 (average 0.570) and 0.368-0.564 (average 0.498), observed heterozygosity ranged 0.458-0.497 (average 0.472) and 0.418-0.644 (average 0.537) in P. fuscipes and A. curtula, respectively. Population structure indicates that individuals of A. curtula are clustered to groups where they were collected, but those of P. fuscipes are not.
Conclusion: Population structures of P. fuscipes were shallow. In A. curtula, however, it was apparent that the genetic compositions of the populations are different significantly depending on collection localities.
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KEYWORD
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Aleochara (Aleochara) curtula, Genetic diversity, Korea, Microsatellite, Paederus fuscipes, Population structure.
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