ORIGINAL RESEARCH article
Front. Plant Sci.
Sec. Plant Abiotic Stress
Volume 16 - 2025 | doi: 10.3389/fpls.2025.1594385
This article is part of the Research TopicAdvanced Breeding for Abiotic Stress Tolerance in Crops, Volume IIView all 19 articles
Evaluation of TaMFT-3A and TaMKK3-4A Alleles on Wheat Pre-Harvest Sprouting
Provisionally accepted
Bowen Zhang1
Baisong Yang2Xiaoneng Wan2Xin Ma2Kaidi Lv2Han Wang2Shuying Yang2Huihui Zhang2Shunv Hao2
Jian Ma1*
Guozhong Sun2*- 1College of Agriculture, Jilin Agricultural University, Changchun, Jilin Province, China
- 2Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, China
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Pre-harvest sprouting (PHS) is a significant challenge affecting global production of wheat (Triticum aestivum L.). Resistance to PHS is governed by both genetic and environmental factors, making reliable molecular markers essential for enhancing PHS resistance through molecular markerassisted selection (MAS). Genes TaMFT-3A and TaMKK3-4A have been cloned in wheat and are known to regulate PHS resistance in white-grained varieties. In this study, we assessed the allelic variations in these genes and their combined effects on PHS resistance using two recombinant inbred line (RIL) populations, Wanxianbaimaizi/Zhongyou 9507 (WZ) and Wanxianbaimaizi/Jing 411 (WJ), under two distinct field environmental conditions. PHS resistance was assessed by measuring seed germination in physiologically mature stage, correlation and ANOVA were used to analyze PHS data.The germination percentage (GP) and germination index (GI) were significantly correlated across both RIL populations. Specific allelic variations at positions -222, +646, and +666 in the TaMFT-3A gene strongly correlated with PHS resistance. The CGA haplotype at these loci was linked to the highest resistance, while the TAA haplotype was associated with the lowest resistance levels. Additionally, haplotype variation at the +660 locus of TaMKK3-4A demonstrated a weak but environmentally modulated correlation with PHS resistance. This study provides a theoretical foundation for utilizing TaMFT-3A and TaMKK3-4A in molecular breeding strategies to enhance wheat resilience to PHS.
Keywords: wheat, pre-harvest spouting, Recombinant inbred line, haplotype, marker-assisted selection
Received: 16 Mar 2025; Accepted: 24 Apr 2025.
Copyright: © 2025 Zhang, Yang, Wan, Ma, Lv, Wang, Yang, Zhang, Hao, Ma and Sun. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence:
Jian Ma, College of Agriculture, Jilin Agricultural University, Changchun, Jilin Province, China
Guozhong Sun, Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
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