Os06g0229300
The rice Os06g0229300 was reported as HOX1a in 2011 [1] by researchers from China.
Contents
Annotated Information
Function
- Homeobox transcription factors are involved in various aspects of plant development, including maintenance of the biosynthesis and signaling pathways of different hormones.
- HOX1a suppresses the transcription of early flowering1 (EL1), a negative regulator of GA signaling, and further electrophoretic mobility shift assay and chromatin immunoprecipitation analysis revealed that HOX1a directly bound to the promoter region of EL1 to suppress its expression and stimulate GA signaling.
- HOX1a functions as a positive regulator of GA signaling by suppressing EL1, providing informative hints on the study of GA signaling.
Gene Symbol
- Os06g0229300 <=> HAZ1,HOX1a,OsHOX1a,OsHAZ1
Phenotypic analysis
- Overexpression of rice homeobox gene HOX1a resulted in enhanced gibberellin (GA) response, indicating a positive effect of HOX1a in GA signaling.
Expression
- HOX1a is induced by GA and encodes a homeobox transcription factor with transcription repression activity.
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Labs working on this gene
- National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, Shanghai Institute for Biological Sciences, the Chinese Academy of Sciences, Shanghai 200032, China
References
- ↑ Wen BQ, Xing MQ, Zhang H, Dai C, Xue HW. Rice homeobox transcription factor HOX1a positively regulates gibberellin responses by directly suppressing EL1. J Integr Plant Biol. 2011 Nov;53(11):869-78. doi: 10.1111/j.1744-7909.2011.01075.x. PubMed PMID: 21951842.
