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In silico identification and physical mapping of gene(s) responsible for β-glucan in Bread Wheat (Triticum aestivum. L)
(CCSHAU, Hisar, 2020-07) Dhamija, Aryan; Upendra Kumar
Dietary fibers from plant cell wall are an essential component of healthy foods. Higher intake of dietary fiber reduces the risk of diet related chronic disease like type 2 diabetes, obesity and also improves gastrointestinal health. In human diets, cereal fiber is the largest contributor to total dietary fiber consumption. The soluble dietary fiber (1-3) (1-4) mixed linked β-D-glucan from cereal grains is a valuable component of a healthy diet. In the present investigation, the gene responsible for β-glucan in hexploid wheat was identified using both in silico and molecular methods.The in silico analysis confirmed that CslF6 gene in wheat was located on the chromosome 7A. Sequence similarity search was conducted between HvCslF6 and wheat survey sequences displayed a similarity of 96% with chromosome 7A. The structure of this gene had 3 exons and codes for a protein of 945 amino acids. Homology modeling of putative CslF6 protein was described as Probable cellulose synthase A catalytic subunit 8.Different cytogenetic stocks of Chinese spring revealed that CslF6 gene was located on centromeric region of 7AL (FL=0.29). Identified CslF6 in wheat can be utilized to make β-glucan efficient wheat and can be used in biofortification program.