Literature DB >> 31402819

Genetic diversity and population structure of Indian soybean (Glycine max (L.) Merr.) as revealed by microsatellite markers.

Sharad Tiwari1,2, Niraj Tripathi1, Koji Tsuji3,4, Keerti Tantwai1.   

Abstract

The genetic structure and diversity of 148 soybean genotypes were analyzed using 26 simple sequence repeat (SSR) markers. SSR analysis showed distinctive polymorphism among the 148 lines. A total of 71 alleles were detected with an average of 2.8 alleles per SSR locus. Polymorphism information content varied from 0.118 to 0.699 with an average of 0.369. These soybean genotypes were divided into 3 subgroups based on STRUCTURE analysis. Further comparison showed that the arithmetic average (UPGMA) and STRUCTURE subgroups in fact were highly coherent, as genotypes in their subsequent classified group exhibited consistency with their origins or pedigree. This analysis provided a deep insight into the genetic structure of soybeans in India and will help us to improve the breeding strategies.

Entities:  

Keywords:  Genetic diversity; Microsatellites; Polymorphism; Population structure; Soybean

Year:  2019        PMID： 31402819      PMCID： PMC6656831          DOI： 10.1007/s12298-019-00682-4

Source DB:  PubMed          Journal:  Physiol Mol Biol Plants        ISSN： 0974-0430


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Authors:  M A Saghai-Maroof; K M Soliman; R A Jorgensen; R W Allard
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