Abstract
Premise of the study:Although several microsatellite markers of Smilax aspera (Smilacaceae) have been reported in a previous study, due to universality issues in cross-population amplification, we have newly developed microsatellite markers for S. aspera based on transcriptome data to further investigate gene flow and genetic structure of its circum-Mediterranean, East African, and South Asian populations.Methods and Results:A total of 4854 simple sequence repeat (SSR) primer pairs were designed from 99,193 contigs acquired from public transcriptome data of S. bona-nox. Forty-six microsatellite loci were selected for further genotyping in 12 S. aspera populations. The number of alleles varied from three to 28, and 93.5% of the developed microsatellite markers could be cross-amplified in least one of three congeneric Smilax species.Conclusions:The SSR markers developed in this study will facilitate further studies on genetic diversity and phylogeographic patterns of S. aspera in intercontinental geographical scales.
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