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Genetic diversity and population structure of wild soybean (Glycine soja Sieb. and Zucc.) accessions in Korea

Published online by Cambridge University Press:  16 July 2014

Kil Hyun Kim
Affiliation:
National Institute of Crop Science, Rural Development Administration, Suwon, Republic of Korea
Seukki Lee
Affiliation:
Technology Cooperation Bureau, Rural Development Administration, Suwon, Republic of Korea
Min-Jung Seo
Affiliation:
National Institute of Crop Science, Rural Development Administration, Suwon, Republic of Korea
Gi-An Lee
Affiliation:
National Academy of Agricultural Science, Rural Development Administration, Suwon, Republic of Korea
Kyung-Ho Ma
Affiliation:
National Academy of Agricultural Science, Rural Development Administration, Suwon, Republic of Korea
Soon-Chun Jeong
Affiliation:
Bio-Evaluation Center, Korea Research Institute of Bioscience and Biotechnology, Chungbuk, Republic of Korea
Suk-Ha Lee
Affiliation:
Plant Genomics and Breeding Institute, Seoul National University, Seoul, Republic of Korea Department of Plant Science and Research Institute for Agriculture and Life Sciences, Seoul National University, Seoul, Republic of Korea
Eui Ho Park
Affiliation:
School of Biotechnology, Yeungnam University, Gyeongbuk, Republic of Korea
Young-Up Kwon
Affiliation:
National Institute of Crop Science, Rural Development Administration, Suwon, Republic of Korea
Jung-Kyung Moon*
Affiliation:
National Institute of Crop Science, Rural Development Administration, Suwon, Republic of Korea
*
* Corresponding author. E-mail: moonjk2@korea.kr

Abstract

Genetic variation in wild soybean (Glycine soja Sieb. and Zucc.) is a valuable resource for crop improvement efforts. Soybean is believed to have originated from China, Korea, and Japan, but little is known about the diversity or evolution of Korean wild soybean. Therefore, in this study, we evaluated the genetic diversity and population structure of 733 G. soja accessions collected in Korea using 21 simple sequence repeat (SSR) markers. The SSR loci produced 539 alleles (25.7 per locus) with a mean genetic diversity of 0.882 in these accessions. Rare alleles, those with a frequency of less than 5%, represented 75% of the total number. This collection was divided into two populations based on the principal coordinate analysis. Accessions from population 1 were distributed throughout the country, whereas most of the accessions from population 2 were distributed on the western side of the Taebaek and Sobaek mountains. The Korean G. soja collection evaluated in this study should provide useful background information for allele mining approach and breeding programmes to introgress alleles into the cultivated soybean (G. max (L). Merr.) from wild soybean.

Type
Research Article
Copyright
Copyright © NIAB 2014 

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Supplementary material: File

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Table S2

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Table S3

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