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Genetic diversity of Japonica rice varieties based on SSR markers.

Wei Liu, Zichao Li, Yan‐Li Shi, MA Hong-wen, Jian Wang, Hongliang Zhang

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Abstract

Thirty-seven SSR(simple sequence repeats)were used to study genetic diversity among 72 Japonica rice varieties.The average number of alleles per locus was 5.1 with a range from 2 to 11.UPGMA cluster analysis showed that all cultivars could be classified into 7 groups,which generally agreed with ecotypes.And this indicated SSR markers play an important role in ecotype classification and study of genetic diversity.Consequently,SSR markers could be used as a useful tool for measuring genetic diversity,assigning rice to geographical distribution,and analysing its ecotype.

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What this paper is about

Thirty-seven SSR(simple sequence repeats)were used to study genetic diversity among 72 Japonica rice varieties.The average number of alleles per locus was 5.1 with a range from 2 to 11.UPGMA cluster analysis showed that all cultivars could be classified into 7 groups,which generally agreed with ecotypes.And this indicated SSR markers play an important role in ecotype classification and study of genetic diversity.Consequently,SSR markers could be used as a useful tool for measuring genetic diversity,assigning rice to geographical distribution,and analysing its ecotype.

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Available abstract

Thirty-seven SSR(simple sequence repeats)were used to study genetic diversity among 72 Japonica rice varieties.The average number of alleles per locus was 5.1 with a range from 2 to 11.UPGMA cluster analysis showed that all cultivars could be classified into 7 groups,which generally agreed with ecotypes.And this indicated SSR markers play an important role in ecotype classification and study of genetic diversity.Consequently,SSR markers could be used as a useful tool for measuring genetic diversity,assigning rice to geographical distribution,and analysing its ecotype.

Key concepts: Ecotype, UPGMA, Genetic diversity, Microsatellite, Biology, Japonica, Allele, Locus (genetics)

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