Allelic Variation of Glutenin, Granule-Bound Starch Synthase l and Puroindoline in Korean Wheat Cultivar

• Published in: Korean journal of crop science Vol. 54; no. 2; pp. 181 - 191
• Main Authors: Park, Chul-Soo, Pena, Roberto J, Baik, Byung-Kee, Kang, Chon-Sik, Heo, Hwa-Young, Cheong, Young-Keun, Woo, Sun-Hee
• Format: Journal Article
• Language: Korean
• Published: 2009
• Subjects: low-molecular-weight glutenin subunits (LMW-GS); high-molecular-weight glutenin subunits (BMW-GS); wheat; granule-bound starch synthase I (GBSSI); puroindoline
• ISSN: 0252-9777; 2287-8432

To investigate the genetic variation of high-and low-molecular-weight glutenin subunits (BMW-GS and LMW-GS), granule-bound starch synthase I (GBSSI) and puroindoline in 24 Korean wheat cultivars. At the BMW-GS compositions, three Glu-A1 alleles, five Glu-B1 alleles and three Glu-D1 alleles were identified. The high frequency of alleles at each locus was Glu-A1c allele (15 cultivars), Glu-B1b allele (16 cultivars) and Glu-D1f allele (16 cultivars). Four alleles were identified at the Glu-A3 and Glu-B3 loci and three at Glu-D3 locus and Glu-A3d, Glu-B3d and Glu-D3a were mainly found at each Glu-3 locus. Glu-A3d, Glu-B3d, Glu-D3b or c (4 cultivars, respectively) and Glu-A3d, Glu-B3d, Glu-D3a and Glu-A3c, Glu-B3d or h, Glu-D3a (3 cultivar, respectively) were predominantly found in Korean wheats. At the GBSS compositions, 2 waxy wheat cultivars, Shinmichal and Shinmichal1, showed null alleles on the Wx loci and other cultivars were wild type in GBSS compositions. At the puroindoline gene compositions, Korean wheat cultivars carried 3 genotypes, which 10 cultivars (41.7%) were Pina-D1a and Pinb-D1a, 11 cultivars (45.8%) had Pina-D1a and Pinb-D1b and 3 cultivars (12.5%) carried Pina-D1b and Pinb-D1a. These genetic variations could present the information to improve flour and end-use quality in Korean wheat breeding programs.