ArticlePlant biotechnology journal2023
LAZY3 interacts with LAZY2 to regulate tiller angle by modulating shoot gravity perception in rice.
Article in Plant biotechnology journal, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 35 citations in OpenAlex.
- Excessive Leaf Rolling Reduces Grain Yield by Disrupting Source-Sink Balance in Rice (Plants (Basel, Switzerland) · 2026Article
- The LPA1-ITA1-BRXL4 module regulates shoot gravitropism and tiller angle in rice.Plant communications · 2026Article
- An auxin response factor regulates tiller angle and shoot gravitropism by directly activating related gene expression in rice.Journal of advanced research · 2025Article
- LAZY5 acts in an LAZY1-independent pathway to regulate rice tiller angle.Plant biotechnology journal · 2025Article
- Transcriptional corepressor OsTPR1 regulates tillering and lateral root development in rice.Scientific reports · 2025Article
- HSFA2D-LAZY6-LAZY1 module regulates shoot gravitropism and tiller angle in rice.The New phytologist · 2025Article
- A DOF transcription factor GLW9/OsDOF25 regulates grain shape and tiller angle in rice.Plant biotechnology journal · 2025Article
- Epiallelic Variation of TILLER ANGLE CONTROL 5 (TAC5) Regulates Tiller Angle by Modulating Gravitropism in Rice.Rice (New York, N.Y.) · 2025Article
- Branching angles in the modulation of plant architecture: Molecular mechanisms, dynamic regulation, and evolution.Plant communications · 2025Review
- The TCP transcription factor TAC8 positively regulates the tiller angle in rice (Oryza sativa L.).TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2025Article
- Genetic Basis of Tillering Angle from Other Plants to Wheat: Current Progress and Future Perspectives.Plants (Basel, Switzerland) · 2024Review
- LAZY4 acts additively with the starch-statolith-dependent gravity-sensing pathway to regulate shoot gravitropism and tiller angle in rice.Plant communications · 2024Article
- OsLESV and OsESV1 promote transitory and storage starch biosynthesis to determine rice grain quality and yield.Plant communications · 2024Article
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Authors and funding
12 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Starch biosynthesis in gravity-sensing tissues of rice shoot determines the magnitude of rice shoot gravitropism and thus tiller angle. However, the molecular mechanism underlying starch biosynthesis in rice gravity-sensing tissues is still unclear. We characterized a novel tiller angle gene LAZY3 (LA3) in rice through map-based cloning. Biochemical, molecular and genetic studies further demonstrated the essential roles of LA3 in gravity perception of rice shoot and tiller angle control. The shoot gravitropism and lateral auxin transport were defective in la3 mutant upon gravistimulation. We showed that LA3 encodes a chloroplast-localized tryptophan-rich protein associated with starch granules via Tryptophan-rich region (TRR) domain. Moreover, LA3 could interact with the starch biosynthesis regulator LA2, determining starch granule formation in shoot gravity-sensing tissues. LA3 and LA2 negatively regulate tiller angle in the same pathway acting upstream of LA1 to mediate asymmetric distribution of auxin. Our study defined LA3 as an indispensable factor of starch biosynthesis in rice gravity-sensing tissues that greatly broadens current understanding in the molecular mechanisms underlying the starch granule formation in gravity-sensing tissues, and provides new insights into the regulatory mechanism of shoot gravitropism and rice tiller angle.
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