Evaluation of Genetic Variation in High Molecular Weight Glutenin Subunits of Seed Storage Protein Using Landraces of Common Wheat from Pakistan

Abstract

SDS-PAGE was used to determine the variation in high molecular weight glutenin subunits (HMW-GS) alleles present in 170 landraces of common wheat from Sindh, Balochistan and NWFP in Pakistan. Three alleles for Glu-A1, six alleles for Glu-B1 and four alleles for Glu-D1 were detected. These included three new alleles, namely Glu-B1e, Glu-B1h and Glu-D1n, which had not previously been found in landraces of Pakistani wheat. Furthermore, Glu-D1m and Glu-D1n, which are considered to be endemic alleles in Pakistan and Afghanistan, were both detected from Balochistan. Twenty genotypes were identified based on combinations of alleles at the three Glu-1 loci. The present study showed that Pakistani landraces of common wheat have maintained a broad diversity of HMW-GS alleles, and that they may serve as genetic resources to improve wheat varieties adapted to Pakistani climatic and edaphic conditions.

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Correspondence to K. Niwa.

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Niwa, K., Suzuki, H., Tominaga, T. et al. Evaluation of Genetic Variation in High Molecular Weight Glutenin Subunits of Seed Storage Protein Using Landraces of Common Wheat from Pakistan. CEREAL RESEARCH COMMUNICATIONS 36, 327–332 (2008). https://doi.org/10.1556/CRC.36.2008.2.12

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Keywords

  • common wheat
  • glutenin
  • HMW-GS
  • Pakistan