Os02g0274000
The rice gene Os02g0274000 was reported as Rf2 in 2011[1] by researchers from Japan and Australia.
Contents
Annotated Information
Gene Symbol
- Os02g0274000 <=> Rf2, OsRf2
Function
- Rf2 encodes a protein consisting of 152 amino acids with a glycine-rich domain.
- The fertility of cytoplasmic male sterility (CMS) plants is restored in the presence of a nuclear-encoded fertility restorer (Rf) gene. In Lead Rice-type CMS, discovered in the indica variety ‘Lead Rice’, fertility of the CMS plant is restored by the single nuclear-encoded gene Rf2 in a gametophytic manner.
Mutation
- Replacement of isoleucine by threonine at amino acid 78 of the RF2 protein was considered to be the cause of functional loss in the rf2 allele.
Expression
- Expression of Rf2 mRNA was detected in developing and mature anthers.
Sublocalization
- An RF2–GFP fusion was shown to be targeted to mitochondria.
Evolution
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Labs working on this gene
- Present address: Agricultural Research Institute, HOKUREN Federation of Agricultural Cooperatives, Higashi-5, Kita-15, Nagamura, Hokkaido 069-1317, Japan.
- Present address: Australian Research Council, Centre of Excellence in Computer Systems Biology, University of Western Australia, 35 Stirling Highway, Crawley 6009, WA, Australia.
References
- ↑ Itabashi E, Iwata N, Fujii S, et al. The fertility restorer gene, Rf2, for Lead Rice‐type cytoplasmic male sterility of rice encodes a mitochondrial glycine‐rich protein[J]. The plant journal, 2011, 65(3): 359-367.
