ArticlePlant biotechnology journal2021
Separable regulation of POW1 in grain size and leaf angle development in rice.
Article in Plant biotechnology journal, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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Who cites it
14 citing papers in PubMed.
- The Mediator subunit OsMED23 associates with the histone demethylase OsJMJ703 and the transcription factor OsWOX3A to control grain size and yield in rice.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Unleashing the Potential of CRISPR/Cas9 Genome Editing for Yield-Related Traits in Rice.Plants (Basel, Switzerland) · 2024Review
- The general transcription factors (GTFs) of RNA polymerase II and their roles in plant development and stress responses.Critical reviews in biochemistry and molecular biology · 2024Review
- Characterization of TBP and TAFs in Mungbean (International journal of molecular sciences · 2024Article
- DGW1, encoding an hnRNP-like RNA binding protein, positively regulates grain size and weight by interacting with GW6 mRNA.Plant biotechnology journal · 2024Article
- SLG2 specifically regulates grain width through WOX11-mediated cell expansion control in rice.Plant biotechnology journal · 2023Article
- Global Phosphoproteomic Analysis Reveals the Defense and Response Mechanisms of Japonica Rice under Low Nitrogen Stress.International journal of molecular sciences · 2023Article
- LsNRL4 enhances photosynthesis and decreases leaf angles in lettuce.Plant biotechnology journal · 2022Article
- Heat Stress Decreases Rice Grain Weight: Evidence and Physiological Mechanisms of Heat Effects Prior to Flowering.International journal of molecular sciences · 2022Review
- A SQUAMOSA promoter binding protein-like transcription factor controls crop ideotype for high productivity in barley.Plant direct · 2022Article
- The Harbinger transposon-derived gene PANDA epigenetically coordinates panicle number and grain size in rice.Plant biotechnology journal · 2022Article
- Genes and Their Molecular Functions Determining Seed Structure, Components, and Quality of Rice.Rice (New York, N.Y.) · 2022Review
- Separable regulation of POW1 in grain size and leaf angle development in rice.Plant biotechnology journal · 2021Article
- Powering Genome Editing in Rice by Harnessing Promising Gene Resources: A Comprehensive Roadmap.Physiologia plantarumReview
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Authors and funding
7 authors.
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Abstract
Leaf angle is one of the key factors that determines rice plant architecture. However, the improvement of leaf angle erectness is often accompanied by unfavourable changes in other traits, especially grain size reduction. In this study, we identified the pow1 (put on weight 1) mutant that leads to increased grain size and leaf angle, typical brassinosteroid (BR)-related phenotypes caused by excessive cell proliferation and cell expansion. We show that modulation of the BR biosynthesis genes OsDWARF4 (D4) and D11 and the BR signalling gene D61 could rescue the phenotype of leaf angle but not grain size in the pow1 mutant. We further demonstrated that POW1 functions in grain size regulation by repressing the transactivation activity of the interacting protein TAF2, a highly conserved member of the TFIID transcription initiation complex. Down-regulation of TAF2 rescued the enlarged grain size of pow1 but had little effect on the increased leaf angle phenotype of the mutant. The separable functions of the POW1-TAF2 and POW1-BR modules in grain size and leaf angle control provide a promising strategy for designing varieties with compact plant architecture and increased grain size, thus promoting high-yield breeding in rice.
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