International Journal of Ecology and Environmental Sciences

International Journal of Ecology and Environmental Sciences


International Journal of Ecology and Environmental Sciences
International Journal of Ecology and Environmental Sciences
2020, Vol. 2, Issue 4
Assessment of molecular divergence in sesame (Sesamum indicum l.) genotypes using microsatellite (SSR) markers

S Sasipriya, M Balram, K Parimala, KB Eswari

An investigation was carried out to detect the molecular diversity among 45 genotypes of sesame using 50 microsatellite markers. A considerable amount of genetic diversity was observed among the sesame genotypes under consideration. Out of 50 SSR markers screened, 30 markers (60.0 %) displayed clear and repeatable polymorphic bands for the analysis of 45 sesame genotypes. The polymorphism information content (PIC) value of SSR loci ranged from 0.5209 to 0.9128 with mean of 0.3940. NTsys analysis clustered the 45 genotypes into six main clusters forming the cluster VI as the largest one comprising of 32 genotypes. The genotype, N18- 8316 was clustered separately, which indicates its genetic isolation from other genotypes. Cluster I (IC-41945, IS-469-1-84-A) and cluster IV (FRP-8351-B, DS-37) were with two genotypes each indicating the relative closeness of those genotypes within the cluster. Further, cluster V was with five genotypes and cluster II was having three genotypes respectively. The study indicates that the molecular analysis of sesame using SSRs could aid in future population genetic structure studies and breeding programs of sesame.
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How to cite this article:
S Sasipriya, M Balram, K Parimala, KB Eswari. Assessment of molecular divergence in sesame (Sesamum indicum l.) genotypes using microsatellite (SSR) markers. International Journal of Ecology and Environmental Sciences. 2020; 2(4): 182-187.