Os09g0516300
The rice Os09g0516300 was reported as OsRRMh in 2013 [1] by researchers from China.
Contents
Annotated Information
Figure 2. Expression pattern of OsRRMh in ZH11.[1].
Gene Symbol
- Os09g0516300 <=> OsRRMh,RRMh
Function
- OsRRMh encodes a Spen‐like protein, and is composed of two N‐terminal RNA recognition motifs (RRM) and one C‐terminal Spen paralogue and an orthologue C‐terminal domain (SPOC).
- OsRRMh plays an important role during the vegetative to reproductive transition in rice.
Phenotypic analysis
- The OsRRMh dsRNAi lines exhibited late‐flowering and a larger panicle phenotype. When full‐length OsRRMh and/or its SPOC domain were overexpressed, the fertility rate and number of spikelets per panicle were both markedly reduced.
- Also, overexpression of OsRRMh in the Arabidopsis fpa mutant did not restore the normal flowering time, and it delayed flowering in Col plants.
Expression
- The gene has been found to be constitutively expressed in the root, stem, leaf, spikelet, and immature seed, and alternative splicing patterns were confirmed in different tissues, which may indicate diverse functions for OsRRMh.
- RT-PCR analysis showed that OsRRMh exhibited the highest expression level in the leaf and immature seed, while the lowest was found in the root and stem.
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Labs working on this gene
- National Key Laboratory of Plant Molecular Genetics, Institute of Plant Physiology and Ecology, the Chinese Academy of Sciences, Shanghai 200032, China
- University of Chinese Academy of Sciences, the Chinese Academy of Sciences, Beijing 100049, China
