ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2011
Development of PCR markers for Tamyb10 related to R-1, red grain color gene in wheat.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 82 papers.
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82 citing papers in PubMed, 177 citations in OpenAlex.
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- Current status and future perspective of genomics-assisted breeding in wheat (Breeding science · 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
- A natural allelic variation of TaIAA10-6A confers pre-harvest sprouting resistance in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 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
- Quantitative trait loci mapping of resistance to pre-harvest sprouting in the Norwegian spring wheat breeding line T7347.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Identification and molecular marker analysis of PHS resistance of high generation wheat materials.Scientific reports · 2025Article
- Haplotype Analysis and Gene Pyramiding for Pre-Harvest Sprouting Resistance in White-Grain Wheat.International journal of molecular sciences · 2025Article
- Regulation of Flavonoid Biosynthesis by the MYB-bHLH-WDR (MBW) Complex in Plants and Its Specific Features in Cereals.International journal of molecular sciences · 2025Review
- 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
- Comparative transcriptomes and WGCNA reveal hub genes for spike germination in different quinoa lines.BMC genomics · 2024Article
- Comparative Transcriptomic Analysis Reveals Domestication and Improvement Patterns of Broomcorn Millet (International journal of molecular sciences · 2024Article
- Current Insights into Weak Seed Dormancy and Pre-Harvest Sprouting in Crop Species.Plants (Basel, Switzerland) · 2024Review
- Beyond pathways: Accelerated flavonoids candidate identification and novel exploration of enzymatic properties using combined mapping populations of wheat.Plant biotechnology journal · 2024Article
- Dissection of the Genetic Basis of Genotype by Environment Interactions for Morphological Traits and Protein Content in Winter Wheat Panel Grown in Morocco and Spain.Plants (Basel, Switzerland) · 2024Article
- A genome-wide association study uncovers that TaPI4K-2A regulates pre-harvest sprouting in wheat.Plant communications · 2024Article
- Identification of Novel Loci Precisely Modulating Pre-Harvest Sprouting Resistance and Red Color Components of the Seed Coat inPlants (Basel, Switzerland) · 2024Article
- Mapping of a Major-Effect Quantitative Trait Locus for Seed Dormancy in Wheat.International journal of molecular sciences · 2024Article
22 more citing papers are in PubMed but not listed here.
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Authors and funding
4 authors at 2 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
The grain color of wheat affects not only the brightness of flour, but also tolerance to preharvest sprouting. Grain color is controlled by dominant R-1 genes located on the long arm of hexaploid wheat chromosomes 3A, 3B, and 3D (R-A1, R-B1, and R-D1, respectively). The red pigment of the grain coat is composed of catechin and proanthocyanidin (PA), which are synthesized via the flavonoid biosynthetic pathway. We isolated the Tamyb10-A1, Tamyb10-B1, and Tamyb10-D1 genes, located on chromosomes 3A, 3B, and 3D, respectively. These genes encode R2R3-type MYB domain proteins, similar to TT2 of Arabidopsis, which controls PA synthesis in testa. In recessive R-A1 lines, two types of Tamyb10-A1 genes: (1) deletion of the first half of the R2-repeat of the MYB region and (2) insertion of a 2.2-kb transposon belonging to the hAT family. The Tamyb10-B1 genes of recessive R-B1 lines had 19-bp deletion, which caused a frame shift in the middle part of the open reading frame. With a transient assay using wheat coleoptiles, we revealed that the Tamyb10 gene in the dominant R-1 allele activated the flavonoid biosynthetic genes. We developed PCR-based markers to detect the dominant/recessive alleles of R-A1, R-B1, and R-D1. These markers proved to be correlated to known R-1 genotypes of 33 varieties except for a mutant with a single nucleotide substitution. Furthermore, double-haploid (DH) lines derived from the cross between red- and white-grained lines were found to necessarily carry functional Tamyb10 gene(s). Thus, PCR-based markers for Tamyb10 genes are very useful to detect R-1 alleles.
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