The single nucleotide polymorphism (SNP) and amplification refractory mutation system (ARMS) have been applied to authenticate Limonium species and their corresponding herb samples. One species specific primer was designed and the amplification product is 200 bp (Limonium sinense) by using this primer. No band was observed with other Limonium species. The phylogenetic relationship of Limonium species were studied using ribosomal DNA ITS and the adulterants (L. bicolor, L. aureum and L. wrightii) were clustered with L. sinense in NJ tree. Inter simple sequence repeat (ISSR) was used to assess genetic diversity and population structure of L. sinense and a high level of genetic diversity was detected (H E = 0.2573, PPB = 85.71%) with POPGENE. Based on AMOVA analysis, there was moderate variation between pairs of populations with ΦST from 0.1744 to 0.5131 and on average 28.81% of the genetic variation occurred among populations. Five main clusters were shown in UPGMA dendrogram using TFPGA. The results showed that SNP and ARMS could be used to authenticate not only Limonium species but related herbs on rDNA internal transcribed spacer region. Possible strategies should be implemented for conservation of this endemic herb.
Russian Journal of Genetics – Springer Journals
Published: May 14, 2013
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