Development and characterization of 17 microsatellite markers for Sonchus oleraceus
2020
Kim, Seon‐Hee | Kim, Hye‐Been | Cho, Min‐Seong | Kim, Chang‐Seok | Kim, Seung‐Chul
PREMISE: The common sowthistle, Sonchus oleraceus (Asteraceae), is a globally invasive weedy species. In order to investigate its genetic diversity, population genetic structure, and evolutionary history, we developed and characterized nuclear simple sequence repeat markers (SSRs or microsatellites). METHODS AND RESULTS: Seventeen microsatellite primer pairs were developed based on the Illumina sequence data. Ten developed SSR loci were polymorphic in four populations sampled from broad geographical regions. The number of alleles per locus ranged from one to 11, and the levels of observed and expected heterozygosity ranged from 0.000 to 1.000 and from 0.000 to 0.801, respectively. Up to 82% of the newly developed primer pairs were successfully amplified in the congeneric taxa S. asper, S. asper subsp. glaucescens, S. canariensis, and S. palmensis. CONCLUSIONS: The SSR markers developed in this study will be useful for future population genetic studies on S. oleraceus and other congeneric species.
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