Increased Wheat Protein Content via Introgression of an HMW Glutenin Selectively Reshapes the Grain Proteome.

ABSTRACT: Introgression of a high-molecular-weight glutenin subunit (HMW-GS) allele, 1Ay21∗, into commercial wheat cultivars increased overall grain protein content and bread-making quality, but the role of proteins beyond this HMW-GS itself was unknown. In addition to increased abundance of 1Ay HMW-GS, 115 differentially accumulated proteins (DAPs) were discovered between three cultivars and corresponding introgressed near-isogenic lines. Functional category analysis showed that the DAPs were predominantly other storage proteins and proteins involved in protein synthesis, protein folding, protein degradation, stress response, and grain development. Nearly half the genes encoding the DAPs showed strong coexpression patterns during grain development. Promoters of these genes are enriched in elements

SUBMITTER: Cao H 

PROVIDER: S-EPMC8214148 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature