ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2025
Identification of a novel QTL associated with Fusarium head blight resistance on chromosome 3B in common wheat.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Article
- Genome-wide association mapping of native QTLs for Fusarium head blight resistance in US winter wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Identification of a stable genetic locus and candidate genes for Fusarium head blight resistance on wheat chromosome 3BL.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
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Authors and funding
8 authors.
Funding
Abstract
key messageA novel Fusarium head blight resistance locus, QFhb-3BL, was identified and fine-mapped in common wheat. Identification and utilization of major resistance genes is key to developing new wheat cultivars/lines with improved Fusarium head blight (FHB) resistance. In this study, a moderately FHB-resistant cultivar Yangmai 16.2 (YM16.2) was crossed with a susceptible cultivar Yanzhan 1 (YZ1) to create a recombinant inbred line (RIL) population. Using bulk segregant analysis sequencing (BSA-seq) and linkage analysis, a new FHB quantitative trait locus (QTL) named QFhb-3BL, contributed by YM16.2, was identified. Eight Kompetitive Allele-Specific PCR (KASP) markers were used to detect homozygous recombinants in the derived lines of the remaining heterozygous line (RHL). QFhb-3BL was finely mapped to the 751.10-756.45 Mb interval, which contains 75 high-confidence genes. Through variation analysis of the candidate region and RNA sequencing (RNA-seq), we identified 11 genes with sequence variations and 14 genes expressed within the fine-mapping interval, with four genes overlapping between the two groups. KASP markers for the candidate gene TraesCS3B03G1226500 were validated in 103 wheat cultivars/lines, and lines carrying these markers showed a 38.89% reduction in FHB severity. This study provides a foundation for QFhb-3BL cloning and an effective marker for FHB resistance breeding.
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