Identification and characterization of QTL for grain protein content derived from the D genome of allohexaploid wheat.

ABSTRACT:

Introduction

Identifying and utilizing major quantitative trait loci (QTLs) related to wheat grain protein content (GPC) is critical for the wheat quality improvement. However, the identification of genes regulating GPC remains relatively limited.

Methods

In this study, a genetic population containing 198 recombinant inbred lines (RILs), derived from a cross between common allohexaploid wheat cultivar TAA10 and synthetic allohexaploid wheat cultivar XX329 was used to identify QTLs associated with GPC.

Results

Three major QTLs for GPC were detected on chromosomes 2D, 4D, and 7D (Qgpc.cau-2D, Qgpc.cau-4D, and Qgpc.cau-7D) respectively. Among them, QGpc.cau-2D located between markers Xbarc124 and 2S178, exhibited the largest addi

SUBMITTER: Luo X 

PROVIDER: S-EPMC12702865 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature