Semi-Dwarfing Reduced Height Genes Hardly Influenced Gluten Protein Composition While Extreme Dwarfing Genes Decreased Glutenins in Wheat.

ABSTRACT: The introduction of reduced height (Rht) genes into wheat during the Green Revolution led to lower plant height, but their effect on protein composition was unknown. Therefore, the protein composition of near isogenic lines (NILs) of four Triticum aestivum genotypes with five different Rht allele/allele combinations was compared to the tall wild-type (rht) by modified Osborne fractionation. The semi-dwarfing (Rht1, Rht2) and the dwarf Rht gene combination (Rht1 + 2) only had a small effect on protein composition. The extreme dwarfing genes (Rht3 and Rht2 + 3) decreased glutenin content leading to higher gliadin-to-glutenin ratios compared to the tall wild-type (rht). A strong environmental influence on the protein

SUBMITTER: Geisslitz S 

PROVIDER: S-EPMC12308216 | biostudies-literature | 2025 Aug

REPOSITORIES: biostudies-literature