ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2017
The seed dormancy allele TaSdr-A1a associated with pre-harvest sprouting tolerance is mainly present in Chinese wheat landraces.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers.
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38 citing papers in PubMed.
- The TaDof-2D-miR1832-TaP450-7A module regulates low-temperature-induced seed dormancy release in wheat.Plant communications · 2026Article
- Identification of a novel major QTL and F-box candidate genes controlling seed dormancy in common wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- TaCNGC-2A suppresses seed dormancy and activates pre-harvest sprouting through modulating calcium and hormonal signaling pathways.Nature communications · 2026Article
- Genome-wide association and haplotype analyses reveal genetic architecture of seed dormancy in grain sorghum with implications for preharvest sprouting tolerance.The plant genome · 2026Article
- Dissecting the genetic architecture of pre-harvest sprouting tolerance in Indian dwarf wheat (Triticum sphaerococcum) by multi-locus association analysis.Scientific reports · 2025Article
- A natural allelic variation of TaIAA10-6A confers pre-harvest sprouting resistance in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Antagonistic effects of selection on alleles associated with seed size and seed dormancy in wheat.Genome biology · 2025Article
- Natural variation and functional analysis of TaSD6 genes regulating seed dormancy in common wheat.BMC plant biology · 2025Article
- TaPP2C-a6 interacts with TaDOG1Ls and regulates seed dormancy and germination in wheat.Plant biotechnology journal · 2025Article
- Genome-wide association study of pre-harvest sprouting resistance and grain color in common wheat (Triticum aestivum L.).BMC plant biology · 2025Article
- Breeding Wheat (Plants (Basel, Switzerland) · 2025Review
- Validation of QTLs for Resistance to Pre-Harvest Sprouting in a Panel of European Wheat Cultivars.Plants (Basel, Switzerland) · 2025Article
- Unraveling Allelic Impacts on Pre-Harvest Sprouting Resistance inPlants (Basel, Switzerland) · 2025Article
- Haplotype Analysis and Gene Pyramiding for Pre-Harvest Sprouting Resistance in White-Grain Wheat.International journal of molecular sciences · 2025Article
- Linkage and association analysis to identify wheat pre-harvest sprouting resistance genetic regions and develop KASP markers.Molecular breeding : new strategies in plant improvement · 2025Article
- Current Insights into Weak Seed Dormancy and Pre-Harvest Sprouting in Crop Species.Plants (Basel, Switzerland) · 2024Review
- Article
- Functional analysis of a wheat class III peroxidase gene, TaPer12-3A, in seed dormancy and germination.BMC plant biology · 2024Article
- Genome-wide association mapping for pre-harvest sprouting in European winter wheat detects novel resistance QTL, pleiotropic effects, and structural variation in multiple genomes.The plant genome · 2024Article
- Review
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Abstract
key messageWe cloned TaSdr - A1 gene, and developed a gene-specific marker for TaSdr - A1 . A QTL for germination index at the TaSdr - A1 locus was identified in the Yangxiaomai/Zhongyou 9507 RIL population. Pre-harvest sprouting (PHS) affects yield and end-use quality in bread wheat (Triticum aestivum L.). In the present study we found an association between the TaSdr-A1 gene and PHS tolerance in bread wheat. TaSdr-A1 on chromosome 2A was cloned using a homologous cloning approach. Sequence analysis of TaSdr-A1 revealed an SNP at position 643, with the G allele being present in genotypes with lower germination index (GI) values and A in those with higher GI. These alleles were designated as TaSdr-A1a and TaSdr-A1b, respectively. A cleaved amplified polymorphism sequence (CAPS) marker Sdr2A based on the SNP was developed, and linkage mapping and QTL analysis were conducted to confirm the association between TaSdr-A1 and seed dormancy. Sdr2A was located in a 2.9 cM interval between SSR markers Xgwm95 and Xgwm372. A QTL for GI at the TaSdr-A1 locus explained 6.6, 7.3, and 8.2 % of the phenotypic variances in a Yangxiaomai/Zhongyou 9507 RIL population grown at Beijing, Shijiazhuang, and the averaged data from the two environments, respectively. Two sets of Chinese wheat cultivars used for validating the TaSdr-A1 polymorphism and the corresponding gene-specific marker Sdr2A showed that TaSdr-A1 was significantly associated with GI. Among 29 accessions with TaSdr-A1a, 24 (82.8 %) were landraces, indicating the importance of Chinese wheat landraces as sources of PHS tolerance. This study identified a novel PHS resistance allele TaSdr-A1a mainly presented in Chinese landraces and it is likely to be the causal gene for QPhs.ccsu-2A.3, providing new information for an understanding of seed dormancy.
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