ArticlePlant physiology2021
OsYUC11-mediated auxin biosynthesis is essential for endosperm development of rice.
Article in Plant physiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 49 papers.
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49 citing papers in PubMed, 98 citations in OpenAlex.
- Exogenous auxin mediates the NnARF9-NnSUS2 module to regulate sucrose synthesis in lotus leaves (Nelumbo nucifera).Planta · 2026Article
- Bacillus cereus T146 Enhances Wheat Salt Tolerance by Restructuring the Rhizosphere Microbiome and Activating TaPIN1-Dependent Auxin Transport.Plant, cell & environment · 2026Article
- Decoding heat-induced chalkiness in rice: molecular mechanisms, genetic networks, and mitigation strategies for climate resilience.TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik · 2026Review
- A genome-wide analysis of YUCCA genes in cotton and the functional study of GhYUC19 in plant development.BMC plant biology · 2026Article
- OsABCB4 disruption impairs auxin homeostasis, delaying heading and compromising agronomic traits in rice.Journal of plant research · 2026Article
- Genome-wide association analysis to identify QTLs and candidate genes associated with grain yield and its related traits under low light conditions in rice (Oryza sativa L.).The plant genome · 2026Article
- Rice gs3 allele and low-nitrogen conditions enrich rhizosphere microbiota that mitigate methane emissions and promote beneficial crop traits.The ISME journal · 2026Article
- Auxin biosynthetic key geneFrontiers in plant science · 2026Article
- The Effects of Photoperiodic Transcription Factor OsPRR37 on Grain Filling and Starch Synthesis During Rice Caryopsis Development.Plants (Basel, Switzerland) · 2025Article
- OsBZR4 regulates temperature-dependent embryogenesis in rice.Nature communications · 2025Article
- The Auxin Response FactorPlants (Basel, Switzerland) · 2025Article
- RNA-seq Analysis of the Mechanisms Underlying Chalky Grain and Characterization of Two IAA Receptor Proteins OsAFB3 and OsAFB5 in Chalkiness Formation in Oryza sativa.Rice (New York, N.Y.) · 2025Article
- Upregulation of an IAA-GlucosyltransferasePlants (Basel, Switzerland) · 2025Article
- The aleurone layer of cereal grains: Development, genetic regulation, and breeding applications.Plant communications · 2025Review
- Carbohydrate flow during grain filling: Phytohormonal regulation and genetic control in rice (Oryza sativa).Journal of integrative plant biology · 2025Review
- A novel transcription factor OsMYB73 affects grain size and chalkiness by regulating endosperm storage substances' accumulation-mediated auxin biosynthesis signalling pathway in rice.Plant biotechnology journal · 2025Article
- Overexpression ofPlants (Basel, Switzerland) · 2025Article
- ABA importers ABCG17 and ABCG18 redundantly regulate seed size in Arabidopsis.The Plant journal : for cell and molecular biology · 2025Article
- New links between auxin and starch.Nature communications · 2025Article
- Hormonal regulation and crosstalk during early endosperm and seed coat development.Plant reproduction · 2024Review
Corrections and comments
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- Erratum issued
Authors and funding
7 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Auxin is a phytohormone essential for plant development. However, our understanding of auxin-regulated endosperm development remains limited. Here, we described rice YUCCA (YUC) flavin-containing monooxygenase encoding gene OsYUC11 as a key contributor to auxin biosynthesis in rice (Oryza sativa) endosperm. Grain filling or storage product accumulation was halted by mutation of OsYUC11, but the deficiencies could be recovered by the exogenous application of auxin. A rice transcription factor (TF) yeast library was screened, and 41 TFs that potentially bind to the OsYUC11 promoter were identified, of which OsNF-YB1, a member of the nuclear factor Y family, is predominantly expressed in the endosperm. Both osyuc11 and osnf-yb1 mutants exhibited reduced seed size and increased chalkiness, accompanied by a reduction in indole-3-acetic acid biosynthesis. OsNF-YB1 can bind the OsYUC11 promoter to induce gene expression in vivo. We also found that OsYUC11 was a dynamically imprinted gene that predominantly expressed the paternal allele in the endosperm up to 10 d after fertilization (DAF) but then became a non-imprinted gene at 15 DAF. A functional maternal allele of OsYUC11 was able to recover the paternal defects of this gene. Overall, the findings indicate that OsYUC11-mediated auxin biosynthesis is essential for endosperm development in rice.
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