Journal
MOLECULAR ECOLOGY RESOURCES
Volume 14, Issue 1, Pages 69-78Publisher
WILEY
DOI: 10.1111/1755-0998.12146
Keywords
Carthamus tinctorius L; Genetic diversity; Safflower; Simple sequence repeat; SSR enrichment
Funding
- Rural Development Administration (RDA) from the National Academy of Agricultural Science, RDA, Republic of Korea [PJ008625]
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A genetic evaluation of safflower germplasm collections derived from different geographical regions and countries will provide useful information for sustainable conservation and the utilization of genetic diversity. However, the molecular marker information is limited for evaluation of genetic diversity of safflower germplasm. In this study, we acquired 509 putative genomic SSR markers for sufficient genome coverage using next-generation sequencing methods and characterized thirty polymorphic SSRs in safflower collection composed of 100 diverse accessions. The average allele number and expected heterozygosity were 2.8 and 0.386, respectively. Analysis of population structure and phylogeny based on thirty SSR profiles revealed genetic admixture between geographical regions contrary to genetic clustering. However, the accessions from Korea were genetically conserved in distinctive groups in contrast to other safflower gene pool. In conclusion, these new genomic SSRs will facilitate valuable studies to clarify genetic relationships as well as conduct population structure analyses, genetic map construction and association analysis for safflower.
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