Evidence map›Paper›PMID 32281056›Full record

ArticleMolecular biology reports2020

Novel intron length polymorphic (ILP) markers from starch biosynthesis genes reveal genetic relationships in Indian wheat varieties and related species.

Himanshu Sharma, Abhishek Bhandawat, Mohammed Saba Rahim, Pankaj Kumar, Mohini Pal Choudhoury, Joy Roy

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Article in Molecular biology reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.

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6 authors.

Himanshu SharmaAgri-Biotechnology Division, National Agri-Food Biotechnology Institute, Mohali, Punjab, India.
Abhishek BhandawatAgri-Biotechnology Division, National Agri-Food Biotechnology Institute, Mohali, Punjab, India.
Mohammed Saba RahimAgri-Biotechnology Division, National Agri-Food Biotechnology Institute, Mohali, Punjab, India.
Pankaj KumarAgri-Biotechnology Division, National Agri-Food Biotechnology Institute, Mohali, Punjab, India.
Mohini Pal ChoudhouryAgri-Biotechnology Division, National Agri-Food Biotechnology Institute, Mohali, Punjab, India.
Joy RoyAgri-Biotechnology Division, National Agri-Food Biotechnology Institute, Mohali, Punjab, India. joykroy@nabi.res.in.

Funding

Science and Engineering Research Board PDF/2016/000667
6 · The paper itself

Abstract

Introns experience lesser selection pressure, thus are liable for higher polymorphism. Intron Length Polymorphic (ILP) markers designed from exon-flanking introns exploits this polymorphic potential and have been proved to be a robust co-dominant marker in eukaryotes. Wheat is among the most consumed cereal crop by majority of the word population. It is a rich source of calories in the form of stored starch. In the current study, starch biosynthesis genes were mined for development of ILP markers and their subsequent utilization for genetic characterization of popular Indian wheat varieties and transferability to wild relatives. Sixty-one markers generated 122 alleles and showed 77-88.5% transferability (mean PIC: 0.36) to the related species. A subset of markers showed clear genetic distinctions (Avg. genetic dissimilarity = 0.42) among Indian wheat varieties, signifying the importance of novel ILPs. 'Kenphad25' showed maximum genetic dissimilarity with 'K 8962' (0.82), while maximum genetic similarity was observed between 'Safed Lerma' and 'RAJ 4037' (0.1). This is the first report of ILP markers in wheat and will be a useful genomic resource for future germplasm conservation and molecular breeding studies.

Indexed as

AllelesGene FrequencyGenetic VariationGenome, PlantIndiaIntronsMicrosatellite RepeatsPhylogenyPolymorphism, GeneticStarchTriticumStarchGenetic variationILPPICStarchWheat

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