ArticleThe Plant cell2022
Rice DWARF AND LOW-TILLERING and the homeodomain protein OSH15 interact to regulate internode elongation via orchestrating brassinosteroid signaling and metabolism.
Article in The Plant cell, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.
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32 citing papers in PubMed, 64 citations in OpenAlex.
- Deletion of TaBSK3-2B attenuates BR signaling to regulate the Rht4 semi-dwarf phenotype and drought tolerance in wheat.The Plant journal : for cell and molecular biology · 2026Article
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- Spatial Regulation of Silicon Accumulation in Peduncle Confers Sheathed Spike in Barley.Plant biotechnology journal · 2026Article
- The GSK3/SHAGGY-like OsGSK3 phosphorylates and inhibits phase separation of OsFCA at Ser-43 and Ser-45 to regulate brassinosteroid signaling and rice architecture.The New phytologist · 2026Article
- SSR marker development for analysis of the genetic diversity and identification of species and infraspecific ranks in the genus Phyllostachys.BMC plant biology · 2026Article
- OsvWA36 transcriptionally regulates cell wall remodeling to control grain length in rice.BMC plant biology · 2026Article
- Identification of QTLs and genes regulating panicle number through genome-wide association studies inFrontiers in plant science · 2026Article
- Harnessing brassinosteroid signaling in rice: from molecular pathways to environmentally adaptive breeding.Frontiers in plant science · 2026Review
- FX-Cell: a method for single-cell RNA sequencing on difficult-to-digest and cryopreserved plant samples.Nature methods · 2025Article
- Combining Transcriptome and Hormone-Targeted Metabolome Analyses to Dissect the Regulatory Mechanisms Underlying Wheat Peduncle Elongation.Plants (Basel, Switzerland) · 2025Article
- Temporal transcriptome analysis reveals the two-phase action of florigens in rice flowering.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Gene mapping and candidate gene analysis of a sorghum sheathed panicle-I mutant.The plant genome · 2025Article
- The natural variation allele OsGSW3.2 in Oryza rufipogon is involved in brassinosteroid signaling and influences grain size and weight.The Plant journal : for cell and molecular biology · 2025Article
- Genome-wide association study identifies QTL and candidate genes for grain size and weight in a Triticum turgidum collection.The plant genome · 2025Article
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- Genome-wide identification and expression profile analysis of TALE superfamily genes under hormone and abiotic stress in maize (Frontiers in plant science · 2025Article
- Detection of QTLs regulating the second internode length in rice dwarf mutantBreeding science · 2024Article
- The Diterpene Isopimaric Acid Modulates the Phytohormone Pathway to PromoteCurrent issues in molecular biology · 2024Article
- Genotype selection identified elite lines through quantitative trait loci mapping of agronomically important traits in wheat.Molecular breeding : new strategies in plant improvement · 2024Article
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13 authors at 3 institutions in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Brassinosteroid (BR) phytohormones play crucial roles in regulating internode elongation in rice (Oryza sativa). However, the underlying mechanism remains largely unclear. The dwarf and low-tillering (dlt) mutant is a mild BR-signaling-defective mutant. Here, we identify two dlt enhancers that show more severe shortening of the lower internodes compared to the uppermost internode (IN1). Both mutants carry alleles of ORYZA SATIVA HOMEOBOX 15 (OSH15), the founding gene for dwarf6-type mutants, which have shortened lower internodes but not IN1. Consistent with the mutant phenotype, OSH15 expression is much stronger in lower internodes, particularly in IN2, than IN1. The osh15 single mutants have impaired BR sensitivity accompanied by enhanced BR synthesis in seedlings. DLT physically interacts with OSH15 to co-regulate many genes in seedlings and internodes. OSH15 targets and promotes the expression of the BR receptor gene BR INSENSITIVE1 (OsBRI1), and DLT facilitates this regulation in a dosage-dependent manner. In osh15, dlt, and osh15 dlt, BR levels are higher in seedlings and panicles, but unexpectedly lower in internodes compared with the wild-type. Taken together, our results suggest that DLT interacts with OSH15, which functions in the lower internodes, to modulate rice internode elongation via orchestrating BR signaling and metabolism.
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