EAS Publisher | Assessment of Molecular Diversity in Groundnut through Simple Sequence Repeats (SSR) Markers

Assessment of Molecular Diversity in Groundnut through Simple Sequence Repeats (SSR) Markers - A Review

DOI : https://doi.org/10.36349/easjals.2018.v01i03.004

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Abstract: Groundnut (Arachis hypogaea L.), an important oilseed crop is a rich source of oil and protein. Molecular marker technologies are the effective tools and they are used for the assessment of genetic variability because they are not influenced by the environment. Among the molecular markers, Simple Sequence Repeat (SSR) has proved to be the most powerful tool for variety identification in groundnut and has much potential in genetic and breeding studies. Through morphological variability was reported to be very high in groundnut, but the polymorphism revealed at DNA level using different SSR primers was found to be low initially. With the use of more number of primer combinations, substantial polymorphism was detected among different cultivars of cultivated groundnut species. SSR or Microsatellite-based markers therefore represent a useful tool for dissecting genetic variations in cultivated crops, especially groundnut. The SSR markers could discern variations and differentiate between the closely related groundnuts genotypes, makes this technology a powerful tool for genomic characterisation of groundnut.

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