ArticleTAG. Theoretical and applied genetics. Theoretische und angewandte Genetik2006
A microcolinearity study at the earliness per se gene Eps-A(m)1 region reveals an ancient duplication that preceded the wheat-rice divergence.
Article in TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.
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34 citing papers in PubMed, 58 citations in OpenAlex.
- Progress and innovations of gene cloning in wheat and its close relatives.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Review
- Molecular genetic regulation of the vegetative-generative transition in wheat from an environmental perspective.Annals of botany · 2025Review
- An eight-founder wheat MAGIC population allows fine-mapping of flowering time loci and provides novel insights into the genetic control of flowering time.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2024Article
- Effects of genetic components of plant development on yield-related traits in wheat (Frontiers in plant science · 2022Article
- Divergence between bread wheat and Triticum militinae in the powdery mildew resistance QPm.tut-4A locus and its implications for cloning of the resistance gene.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2019Article
- The early flowering trait of an emmer wheat accession (Triticum turgidum L. ssp. dicoccum) is associated with the cis-element of the Vrn-A3 locus.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2018Article
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- Genetic basis of the very short life cycle of 'Apogee' wheat.BMC genomics · 2017Article
- Development of an integrated linkage map of einkorn wheat and its application for QTL mapping and genome sequence anchoring.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2017Article
- Heritable heading time variation in wheat lines with the same number of Ppd-B1 gene copies.PloS one · 2017Article
- Genetic and physical mapping of the earliness per se locus Eps-A (m) 1 in Triticum monococcum identifies EARLY FLOWERING 3 (ELF3) as a candidate gene.Functional & integrative genomics · 2016Article
- Bidirectional selective genotyping approach for the identification of quantitative trait loci controlling earliness per se in winter rye (Secale cereale L.).Journal of applied genetics · 2016Article
- Delimitation of the Earliness per se D1 (Eps-D1) flowering gene to a subtelomeric chromosomal deletion in bread wheat (Triticum aestivum).Journal of experimental botany · 2016Article
- Genetic mapping of the ScHd1 gene in rye and an assessment of its relationship with earliness per se and plant morphology.Journal of applied genetics · 2014Article
- Genetic and molecular bases of yield-associated traits: a translational biology approach between rice and wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2014Review
- Molecular mapping of stripe rust resistance gene Yr51 in chromosome 4AL of wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2014Article
- Genetic architecture of main effect QTL for heading date in European winter wheat.Frontiers in plant science · 2014Article
- Validation of a 1DL earlinessMolecular breeding : new strategies in plant improvement · 2014Article
- Comparative high-resolution mapping of the wax inhibitors Iw1 and Iw2 in hexaploid wheat.PloS one · 2013Article
- Induced mutations in circadian clock regulator Mat-a facilitated short-season adaptation and range extension in cultivated barley.Proceedings of the National Academy of Sciences of the United States of America · 2012Article
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Authors and funding
3 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Wheat flowering is controlled by numerous genes, which respond to environmental signals such as photoperiod and vernalization. Earliness per se (Eps) genes control flowering time independently of these environmental cues and are responsible for the fine tuning of flowering time. We recently mapped the Eps-A(m)1 gene on the end of Triticum monococcum chromosome arm 1A(m)L. As a part of our efforts to clone Eps-A(m)1 we developed PCR markers flanking this gene within a 2.7 cM interval. We screened more than one thousand gametes with these markers and identified 27 lines with recombination between them. Recombinant lines were used to generate a high-density map and to investigate the microcolinearity between wheat and rice in this region. We mapped ten genes from a 149 kb region located at the distal part of rice chromosome 5 (cdo393 - Ndk3) on a 3.7 cM region on wheat chromosome one. This region is part of an ancient duplication between rice chromosomes 5 and 1. Genes present in both rice chromosomes were less similar to each other than to the closest wheat orthologues, suggesting that this duplication preceded the divergence between wheat and rice. This hypothesis was supported by the presence of 18 loci duplicated both in rice chromosomes 5 and 1 and in the colinear wheat chromosomes from homologous groups 1 and 3. Independent gene deletions in wheat and rice lineages explain the alternations of colinearity between rice chromosome 5 and wheat chromosomes 1 and 3. Colinearity between the end of rice chromosome 5 and wheat chromosome 1 was also interrupted by a small inversion, and several non-colinear genes. These results suggest that the distal region of the long arm of wheat chromosome 1 was involved in numerous changes that differentiated wheat and rice genomes. This comparative study provided sufficient markers to saturate the Eps-A(m)1 gene region and to precisely map this gene within a 0.9 cM interval flanked by the VatpC and Smp loci.
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