Korean Journal of Breeding Science (한국육종학회지)

The Korean Society of Breeding Science (한국육종학회)
권호 표지

Assessment of Genetic Diversity of Korean Landrace Rice Accessions (Oryza sativa L.) by Microsatellite Analysis

Lee, Sok-Young;;Lee, Ju-Kyong;Chung, Jong-Wook;Park, Yong-Jin;Kang, Hee-Kyoung;Lee, Jung-Ro;Kwag, Jae-Gyun;Kim, Nam-Soo;Kim, Tae-San
;마경호

  • Published : 20060000
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Abstract

Genetic diversity of Korean landrace rice accessions was assessed with microsatellite markers. The 214 alleles weregedfrom 3 for SSS locus to 37 for RM206 locus with an average number of 12.6 alleles per locus. Gene diversity values according tothe 17 microsatellite primer loci varied from 0.045 to 0.934 with an average of 0.676. Among the 14 microsatellite primers, RM48,RM206, RM214, RM232 and RM249 showed comparatively high number of aleles. On the UPGMA cluster analysis based on theGS coefficient matrix, the 175 Korean landrace rice accessions were divided into five major groups and the genetic similarity coef-to0.664 depending on the 17 microsatellite loci. While the Group IV showed the highest average value in gene diversity, hencegroup II showed the lowest average value of gene diversity among the five groups. The assesment of genetic diversity of Koreannative rice accessions by the present microsatellite analysis will be helpful for efficient conservation strategy of rice germplasm.This preliminary work may also provide a protocol for a larger-scale evaluation of molecular diversity of germplasm of Koreanlandrace rice accessions.Clustering, Genetic diversity, Korean rice landrace, microsatellite markers

Keywords

References

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