Os04g0475900

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The rice gene Os04g0475900 was reported as Rf17 in 2009[1] by researchers from Japan.

Annotated Information

Gene Symbol

  • Os04g0475900 <=> RFcw, RFCW, Rfcw, Rf17

Function

  • The researchers identified a nuclear candidate gene, RETROGRADE-REGULATED MALE STERILITY (RMS) for Rf17, a fertility restorer gene for Chinese wild rice (CW)-type CMS in rice (Oryza sativa L.).
  • RMS encodes a mitochondrial protein, 178 aa in length, of unknown function, unlike the majority of other Rf genes cloned thus far, which encode pentatricopeptide repeat proteins.

Mutation

  • RNA interference-mediated gene silencing of RMS restored fertility to a CMS plant, whereas its overexpression in the fertility restorer line induced pollen abortion.

Expression

  • The mRNA expression level of RMS in mature anthers depended on cytoplasmic genotype, suggesting that RMS is a candidate gene to be regulated via retrograde signaling.

Evolution

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Labs working on this gene

  • Laboratory of Environmental Biotechnology, Graduate School of Agricultural Science, Tohoku University, 1-1 Tsutumidori Amamiyamachi, Aoba-ku, Sendai 981-8555, Japan

References

  1. Fujii S, Toriyama K. Suppressed expression of RETROGRADE-REGULATED MALE STERILITY restores pollen fertility in cytoplasmic male sterile rice plants[J]. Proceedings of the National Academy of Sciences, 2009, 106(23): 9513-9518.

Structured Information