ArticlePLoS genetics2014
Dwarf Tiller1, a Wuschel-related homeobox transcription factor, is required for tiller growth in rice.
Article in PLoS genetics, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.
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37 citing papers in PubMed, 82 citations in OpenAlex.
- A single-cell transcriptome atlas reveals the transcriptionally earliest state in rice callus.BMC plant biology · 2026Article
- Compound Inflorescence (S) represses fruit growth and seed development in tomato.Molecular horticulture · 2026Article
- Unveiling stagnant flooding tolerance in lowland NERICAs: genomic insights and breeding prospects.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Article
- Spatial and single-cell expression analyses reveal complex expression domains in early wheat spike development.Genome biology · 2025Article
- Genetic and histological characterization of a dwarf mutant in melon (Cucumis melo L.) reveals potential for breeding semi-dwarf cultivars.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- TaWUS-like-5D affects grain weight and filling by inhibiting the expression of sucrose and trehalose metabolism-related genes in wheat grain endosperm.Plant biotechnology journal · 2025Article
- Synergistic induction of fertilization-independent embryogenesis in rice egg cells by paternal-genome-expressed transcription factors.Nature plants · 2024Article
- The Evolution of the WUSCHEL-Related Homeobox Gene Family inInternational journal of molecular sciences · 2024Article
- Identification and Expression Patterns ofInternational journal of molecular sciences · 2024Article
- Pan-genome Analysis ofInternational journal of molecular sciences · 2023Article
- High-resolution genetic linkage map and height-related QTLs in an oil palm (Physiology and molecular biology of plants : an international journal of functional plant biology · 2023Article
- WUSCHEL-related homeobox genes cooperate with cytokinin to promote bulbil formation in Lilium lancifolium.Plant physiology · 2022Article
- The auxin-responsive transcription factor SlDOF9 regulates inflorescence and flower development in tomato.Nature plants · 2022Article
- Identification and Validation of Quantitative Trait Loci Mapping for Spike-Layer Uniformity in Wheat.International journal of molecular sciences · 2022Article
- Article
- Genetic and molecular pathways controlling rice inflorescence architecture.Frontiers in plant science · 2022Review
- Article
- A Sheathed Spike Gene,International journal of molecular sciences · 2021Article
- Dissection of the Genetic Basis of Rice Panicle Architecture Using a Genome-wide Association Study.Rice (New York, N.Y.) · 2021Article
- Genome-Wide Association Study of the Genetic Basis of Effective Tiller Number in Rice.Rice (New York, N.Y.) · 2021Article
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8 authors at 4 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Unlike many wild grasses, domesticated rice cultivars have uniform culm height and panicle size among tillers and the main shoot, which is an important trait for grain yield. However, the genetic basis of this trait remains unknown. Here, we report that Dwarf Tiller1 (DWT1) controls the developmental uniformity of the main shoot and tillers in rice (Oryza sativa). Most dwt1 mutant plants develop main shoots with normal height and larger panicles, but dwarf tillers bearing smaller panicles compared with those of the wild type. In addition, dwt1 tillers have shorter internodes with fewer and un-elongated cells compared with the wild type, indicating that DWT1 affects cell division and cell elongation. Map-based cloning revealed that DWT1 encodes a Wuschel-related homeobox (WOX) transcription factor homologous to the Arabidopsis WOX8 and WOX9. The DWT1 gene is highly expressed in young panicles, but undetectable in the internodes, suggesting that DWT1 expression is spatially or temporally separated from its effect on the internode growth. Transcriptomic analysis revealed altered expression of genes involved in cell division and cell elongation, cytokinin/gibberellin homeostasis and signaling in dwt1 shorter internodes. Moreover, the non-elongating internodes of dwt1 are insensitive to exogenous gibberellin (GA) treatment, and some of the slender rice1 (slr1) dwt1 double mutant exhibits defective internodes similar to the dwt1 single mutant, suggesting that the DWT1 activity in the internode elongation is directly or indirectly associated with GA signaling. This study reveals a genetic pathway synchronizing the development of tillers and the main shoot, and a new function of WOX genes in balancing branch growth in rice.
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