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KMID : 0381120200420121419
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Genes and Genomics
2020 Volume.42 No. 12 p.1419 ~ p.1430
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Assessment of genetic diversity and population structure among a collection of Korean Perilla germplasms based on SSR markers
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Oh Jun-Seok
Sa Kyu-Jin
Hyun Do-Yoon
Cho Gyu-Taek
Lee Ju-Kyong
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Abstract
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Background: Information on the genetic variation of genetic resource collections is very important for both the conservation and utilization of crop germplasms in genebanks. Var. frutescens of Perilla crop is extensively cultivated in South Korea as both an oil crop and a vegetable crop.
Objectives: We used SSR markers to evaluate the genetic diversity, genetic relationships, and population structure of 155 accessions of var. frutescens that have been selected as genetic resources for the development of leaf vegetable cultivars and preserved in the RDA-Genebank collection from South Korea.
Methods: A total of 155 accessions of var. frutescens of Perilla crop collected in South Korea were obtained from the RDA-Genebank of the Republic of Korea. We selected 20 SSR markers representing the polymorphism of and adequately amplifying all the Perilla accessions.
Results: The average GD and PIC values were 0.642 and 0.592, respectively, with ranges of 0.244?0.935 and 0.232??0.931. The genetic variability in the southern region of South Korea was higher than that in the central region. The clustering patterns were not clearly distinguished between the accessions of var. frutescens from the central and southern regions of South Korea.
Conclusion: These results regarding the genetic diversity and population structure of the 155 accessions of var. frutescens of South Korea provide useful information for understanding the genetic variability of this crop and selecting and managing core germplasm sets in the RDA-Genebank of the Republic of Korea.
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KEYWORD
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Perilla crop, Geographical variation, Gene diversity, SSR marker, Population structure
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