ArticleFunctional & integrative genomics2010
Duplication of a well-conserved homeodomain-leucine zipper transcription factor gene in barley generates a copy with more specific functions.
Article in Functional & integrative genomics, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.
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Who cites it
23 citing papers in PubMed, 53 citations in OpenAlex.
- HOMEOBOX2, the paralog of SIX-ROWED SPIKE1/HOMEOBOX1, is dispensable for barley spikelet development.Journal of experimental botany · 2024Article
- Article
- Evolutionary Consequences of Functional and Regulatory Divergence of HD-Zip I Transcription Factors as a Source of Diversity in Protein Interaction Networks in Plants.Journal of molecular evolution · 2023Review
- Grain Disarticulation in Wild Wheat and Barley.Plant & cell physiology · 2022Article
- Global Role of Crop Genomics in the Face of Climate Change.Frontiers in plant science · 2020Review
- Unleashing floret fertility in wheat through the mutation of a homeobox gene.Proceedings of the National Academy of Sciences of the United States of America · 2019Article
- Interaction between row-type genes in barley controls meristem determinacy and reveals novel routes to improved grain.The New phytologist · 2019Article
- Genetic pathways controlling inflorescence architecture and development in wheat and barley.Journal of integrative plant biology · 2019Review
- Functional analysis of the HD-Zip transcription factor genes Oshox12 and Oshox14 in rice.PloS one · 2018Article
- Extreme Suppression of Lateral Floret Development by a Single Amino Acid Change in the VRS1 Transcription Factor.Plant physiology · 2017Article
- Major genes determining yield-related traits in wheat and barley.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2017Review
- Transcriptomic and phytochemical analysis of the biosynthesis of characteristic constituents in tea (Camellia sinensis) compared with oil tea (Camellia oleifera).BMC plant biology · 2015Article
- Article
- Iron deficiency in barley plants: phytosiderophore release, iron translocation, and DNA methylation.Frontiers in plant science · 2015Article
- Plant homeodomain-leucine zipper I transcription factors exhibit different functional AHA motifs that selectively interact with TBP or/and TFIIB.Plant cell reports · 2014Article
- Arabidopsis AtHB7 and AtHB12 evolved divergently to fine tune processes associated with growth and responses to water stress.BMC plant biology · 2014Article
- Genetic structure and linkage disequilibrium in a diverse, representative collection of the C4 model plant, Sorghum bicolor.G3 (Bethesda, Md.) · 2013Article
- Genetic variation and metabolic pathway intricacy govern the active compound content and quality of the Chinese medicinal plant Lonicera japonica thunb.BMC genomics · 2012Article
- The domestication syndrome genes responsible for the major changes in plant form in the Triticeae crops.Plant & cell physiology · 2011Review
- Uncharacterized conserved motifs outside the HD-Zip domain in HD-Zip subfamily I transcription factors; a potential source of functional diversity.BMC plant biology · 2011Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Three spikelets are formed at each rachis node of the cultivated barley (Hordeum vulgare ssp. vulgare) spike. In two-rowed barley, the central one is fertile and the two lateral ones are sterile, whereas in the six-rowed type, all three are fertile. This characteristic is determined by the allelic constitution at the six-rowed spike 1 (vrs1) locus on the long arm of chromosome 2H, with the recessive allele (vrs1) being responsible for the six-rowed phenotype. The Vrs1 (HvHox1) gene encodes a homeodomain-leucine zipper (HD-Zip) transcription factor. Here, we show that the Vrs1 gene evolved in the Poaceae via a duplication, with a second copy of the gene, HvHox2, present on the short arm of chromosome 2H. Micro-collinearity and polypeptide sequences were both well conserved between HvHox2 and its Poaceae orthologs, but Vrs1 is unique to the barley tribe. The Vrs1 gene product lacks a motif which is conserved among the HvHox2 orthologs. A phylogenetic analysis demonstrated that Vrs1 and HvHox2 must have diverged after the separation of Brachypodium distachyon from the Pooideae and suggests that Vrs1 arose following the duplication of HvHox2, and acquired its new function during the evolution of the barley tribe. HvHox2 was expressed in all organs examined but Vrs1 was predominantly expressed in immature inflorescence.
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