ArticleG3 (Bethesda, Md.)2011
A Novel Retrotransposon Inserted in the Dominant Vrn-B1 Allele Confers Spring Growth Habit in Tetraploid Wheat (Triticum turgidum L.).
Article in G3 (Bethesda, Md.), 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.
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40 citing papers in PubMed, 81 citations in OpenAlex.
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- Breeding potential of Spanish bread wheat landraces: genetic variability in vernalization and photoperiod sensitivity.Frontiers in plant science · 2025Article
- The E3 ligase TaE3V-B1 ubiquitinates proteins encoded by the vernalization gene TaVRN1 and regulates developmental processes in wheat.Plant physiology · 2024Article
- Allelic Variations in Vernalization (Genes · 2024Review
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- Contemplation on wheat vernalization.Frontiers in plant science · 2022Review
- Major flowering time genes of barley: allelic diversity, effects, and comparison with wheat.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2021Review
- The Structural, Functional and Evolutionary Impact of Transposable Elements in Eukaryotes.Genes · 2021Review
- O-linked N-acetylglucosamine transferase is involved in fine regulation of flowering time in winter wheat.Nature communications · 2021Article
- Identification and Characterization of Perennial Ryegrass (Frontiers in plant science · 2021Article
- Genomic Regions Associated with the Control of Flowering Time in Durum Wheat.Plants (Basel, Switzerland) · 2020Article
- Aux/IAA14 Regulates microRNA-Mediated Cold Stress Response inInternational journal of molecular sciences · 2020Article
- Comparative Study of Pine Reference Genomes Reveals Transposable Element Interconnected Gene Networks.Genes · 2020Article
- Mobile Elements in Ray-Finned Fish Genomes.Life (Basel, Switzerland) · 2020Review
- Identification of the vernalization gene VRN-B1 responsible for heading date variation by QTL mapping using a RIL population in wheat.BMC plant biology · 2020Article
- Genomic analysis of Spanish wheat landraces reveals their variability and potential for breeding.BMC genomics · 2020Article
- Allelic Variation at the Vernalization Response (Frontiers in plant science · 2020Article
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Authors and funding
6 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Vernalization genes determine winter/spring growth habit in temperate cereals and play important roles in plant development and environmental adaptation. In wheat (Triticum L. sp.), it was previously shown that allelic variation in the vernalization gene VRN1 was due to deletions or insertions either in the promoter or in the first intron. Here, we report a novel Vrn-B1 allele that has a retrotransposon in its promoter conferring spring growth habit. The VRN-B1 gene was mapped in a doubled haploid population that segregated for winter-spring growth habit but was derived from two spring tetraploid wheat genotypes, the durum wheat (T. turgidum subsp. durum) variety 'Lebsock' and T. turgidum subsp. carthlicum accession PI 94749. Genetic analysis revealed that Lebsock carried the dominant Vrn-A1 and recessive vrn-B1 alleles, whereas PI 94749 had the recessive vrn-A1 and dominant Vrn-B1 alleles. The Vrn-A1 allele in Lebsock was the same as the Vrn-A1c allele previously reported in hexaploid wheat. No differences existed between the vrn-B1 and Vrn-B1 alleles, except that a 5463-bp insertion was detected in the 5'-UTR region of the Vrn-B1 allele. This insertion was a novel retrotransposon (designated as retrotrans_VRN), which was flanked by a 5-bp target site duplication and contained primer binding site and polypurine tract motifs, a 325-bp long terminal repeat, and an open reading frame encoding 1231 amino acids. The insertion of retrotrans_VRN resulted in expression of Vrn-B1 without vernalization. Retrotrans_VRN is prevalent among T. turgidum subsp. carthlicum accessions, less prevalent among T. turgidum subsp. dicoccum accessions, and rarely found in other tetraploid wheat subspecies.
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