Os04g0641700

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The rice gene Os04g0641700 was reported as ILI1 in 2009[1] by researchers from China, USA, Korea, and Japan.

Annotated Information

Gene Symbol

  • Os04g0641700 <=> ILI1, OsbHLH154, OsILI1

Function

Figure 1. The ili1-D Mutant Shows Increased Lamina Joint Inclination and BR Sensitivity. [1].
  • Rice mutant (ili1-D) showing an increased lamina inclination phenotype similar to that caused by BR treatment. The ili1-D mutant overexpresses an HLH protein homologous to Arabidopsis thaliana Paclobutrazol Resistance1 (PRE1) and the human Inhibitor of DNA binding proteins.
  • ILI1 and PRE1 interact with basic helix-loop-helix (bHLH) protein IBH1 (ILI1 binding bHLH), whose overexpression causes erect leaf in rice and dwarfism in Arabidopsis. ILI1 and PRE1 may inactivate inhibitory bHLH transcription factors through heterodimerization.
  • BR increases the RNA levels of ILI1 and PRE1 but represses IBH1 through the transcription factor BZR1.
  • The spatial and temporal expression patterns support roles of ILI1 in laminar joint bending and PRE1/At IBH1 in the transition from growth of young organs to growth arrest.


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Labs working on this gene

  • Key Laboratory of Photosynthesis and Environmental Molecular Biology, Institute of Botany, Chinese Academy of Sciences,

Beijing 100093, China

  • Graduate School of the Chinese Academy of Sciences, Beijing 100049, China
  • Department of Plant Biology, Carnegie Institution for Science, Stanford, California 94305
  • Biotechnology Research Institute/National Key Facility for Gene Resources and Gene Improvement, Chinese Academy of

Agricultural Sciences, Beijing 100081, China

  • Department of Biological Sciences, Yonsei University, Wonju-Si 220-710, Korea
  • RIKEN Advanced Science Institute, Wako-shi, Saitama 351-0198, Japan

References

  1. 1.0 1.1 Zhang LY, Bai MY, Wu J, Zhu JY, Wang H, Zhang Z, Wang W, Sun Y, Zhao J, Sun X, Yang H, Xu Y, Kim SH, Fujioka S, Lin WH, Chong K, Lu T, Wang ZY. Antagonistic HLH/bHLH transcription factors mediate brassinosteroid regulation of cell elongation and plant development in rice and Arabidopsis. Plant Cell. 2009 Dec;21(12):3767-80. doi: 10.1105/tpc.109.070441. Epub 2009 Dec 15. PubMed PMID: 20009022; PubMed Central PMCID: PMC2814508.

Structured Information