Development of 10 microsatellite markers from Pantala flavescens and their applicability in studying genetics diversity

Molecular Biology Reports
Lingzhen CaoKongming Wu

Abstract

Pantala flavescens (Fabricius 1798) is one of the most common species among migration dragonflies. It is often encountered in large swarms during migration or directed dispersal flights. For a better understanding of its gene flow, genetic structure and migration patterns throughout the world, 10 polymorphic microsatellite markers were isolated in this study. We respectively collected 32 P. flavescens from three places (Hunan, Liaoning and Heilongjiang) and 20 P. flavescens from Beijing. Partial genomic libraries containing microsatellite sequences were constructed with magnetic-bead enrichment method. By screening, sequence analysis, PCR amplification and so on, ten 10 polymorphic microsatellite markers were isolated. In order to assess their applicability, genetic diversity of these novel markers was tested in 96 individuals from three populations in China (Hunan, Liaoning and Heilongjiang). These markers were highly polymorphic, with 3-12 alleles per markers. The observed (Ho) and expected (He) heterozygosities ranged 0.321-0.667 and from 0.531 to 0.948 respectively. The genetic difference between Hunan and Liaoning is 0.429, while the genetic difference between Liaoning and Heilongjiang is 0.0508. These microsatellite marke...Continue Reading

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