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Original Research Article

Genetic Diversity and Population Structure of Korean Soybean Collection Using 75 Microsatellite Markers
Gi-An Lee1
,
Yu-Mi Choi1
,
Jung-Yoon Yi1
,
Jong-Wook Chung1
,
Myung-Chul Lee1
,
Kyung-Ho Ma1
,
Sok-young Lee1
,
Jin-Woong Cho2*
,
Jung-Ro Lee1*
1National Agrobiodiversity Center, National Academy of Agricultural Science, RDA, Jeonju-si, Jeollabuk-do, Korea
2College of Agricultural and Life Science, Chungnam National University, Daejeon 305-764, Korea
*Corresponding Author
31 December 2014. pp. 492-497
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Abstract

Soybean (Glycine max L.) is crucial legume crop as source of high quality vegetable protein and oil, and Korea is regarded as a part of center of soybean origin. To expand the information of conserved genetic diversity, we analyzed the genetic variability of soybean collection mainly introduced Korean accessions using 75 microsatellite markers. A total of 1,503 alleles with an average value of 20.0 alleles were detected among 644 accessions. Korean collection revealed average allele number of 13.4 while Chinese, Japanese and Southeast Asian accessions showed 9.0, 5.4 and 6.5 mean alleles, respectively. Especially, Korean accessions showed more number of private allele per locus as 3.4 contrary to other geographical groups. The mean expected heterozygosity and polymorphic information content was 0.654 and 0.616, respectively, and expected heterozygosity values were not significantly distinguished according to the geographical groups. The phylogenetic dendrogram and deduced population structure based on DNA profiles of 75 SSR loci showed Korean accessions formed distinct gene pool against Chinese accessions, and could be divided into five subpopulations. Korean soybean accessions have specific genetic diversity and might be serve the valuable alleles for bio-industry as a part of the center of soybean origin.

Keywords
microsatellites
genetic diversity
soybean
Glycine max L
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Information
  • Publisher :The Korean Society of Crop Science
  • Publisher(Ko) :한국작물학회
  • Journal Title :The Korean Journal of Crop Science
  • Journal Title(Ko) :한국작물학회지
  • Volume : 59
  • No :4
  • Pages :492-497
  • Received Date : 2014-09-22
  • Accepted Date : 2014-10-22
  • DOI :https://doi.org/10.7740/kjcs.2014.59.4.492
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