ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2008
High level of conservation between genes coding for the GAMYB transcription factor in barley (Hordeum vulgare L.) and bread wheat (Triticum aestivum L.) collections.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 papers.
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17 citing papers in PubMed, 41 citations in OpenAlex.
- Review
- Genetic insights into the dissolution of dioecy in diploid persimmon Diospyros oleifera Cheng.BMC plant biology · 2023Article
- The GAMYB gene in rye: sequence, polymorphisms, map location, allele-specific markers, and relationship with α-amylase activity.BMC genomics · 2020Article
- The specific MYB binding sites bound by TaMYB in the GAPCp2/3 promoters are involved in the drought stress response in wheat.BMC plant biology · 2019Article
- Article
- Nucleotide diversity analysis of three major bacterial blight resistance genes in rice.PloS one · 2015Article
- Conserved cis-regulatory modules in promoters of genes encoding wheat high-molecular-weight glutenin subunits.Frontiers in plant science · 2014Article
- Development of SNP markers for genes of the phenylpropanoid pathway and their association to kernel and malting traits in barley.BMC genetics · 2013Article
- Association study of wheat grain protein composition reveals that gliadin and glutenin composition are trans-regulated by different chromosome regions.Journal of experimental botany · 2013Article
- Haplotype dictionary for the Rht-1 loci in wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2013Article
- TamiR159 directed wheat TaGAMYB cleavage and its involvement in anther development and heat response.PloS one · 2012Article
- Genetic diversity analysis of abiotic stress response gene TaSnRK2.7-A in common wheat.Genetica · 2011Article
- An analysis of sequence variability in eight genes putatively involved in drought response in sunflower (Helianthus annuus L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2011Article
- Variation in crossover rates across a 3-Mb contig of bread wheat (Triticum aestivum) reveals the presence of a meiotic recombination hotspot.Chromosoma · 2011Article
- DNA polymorphisms and haplotype patterns of transcription factors involved in barley endosperm development are associated with key agronomic traits.BMC plant biology · 2010Article
- Nucleotide polymorphism in the wheat transcriptional activator Spa influences its pattern of expression and has pleiotropic effects on grain protein composition, dough viscoelasticity, and grain hardness.Plant physiology · 2009Article
- Analysis of diversity and linkage disequilibrium along chromosome 3B of bread wheat (Triticum aestivum L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2009Article
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Authors and funding
11 authors at 8 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The transcription factor GAMYB is involved in gibberellin signalling in cereal aleurone cells and in plant developmental processes. Nucleotide diversity of HvGAMYB and TaGAMYB was investigated in 155 barley (Hordeum vulgare) and 42 wheat (Triticum aestivum) accessions, respectively. Polymorphisms defined 18 haplotypes in the barley collection and 1, 7 and 3 haplotypes for the A, B, and D genomes of wheat, respectively. We found that (1) Hv- and TaGAMYB genes have identical structures. (2) Both genes show a high level of nucleotide identity (>95%) in the coding sequences and the distribution of polymorphisms is similar in both collections. At the protein level the functional domain is identical in both species. (3) GAMYB genes map to a syntenic position on chromosome 3. GAMYB genes are different in both collections with respect to the Tajima D statistic and linkage disequilibrium (LD). A moderate level of LD was observed in the barley collection. In wheat, LD is absolute between polymorphic sites, mostly located in the first intron, while it decays within the gene. Differences in Tajima D values might be due to a lower selection pressure on HvGAMYB, compared to its wheat orthologue. Altogether our results provide evidence that there have been only few evolutionary changes in Hv- and TaGAMYB. This confirms the close relationship between these species and also highlights the functional importance of this transcription factor.
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