Molecules and Cells

  • 제26권4호
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  • Pages.368-372
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  • 2008
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  • 1016-8478(pISSN)
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  • 0219-1032(eISSN)
한국분자세포생물학회 (Korean Society for Molecular and Cellular Biology)
권호 표지

Functional Conservation and Divergence of FVE Genes that Control Flowering Time and Cold Response in Rice and Arabidopsis

  • Baek, Il-Sun (Plant Signaling Network Research Center, School of Life Sciences and Biotechnology, Korea University) ;
  • Park, Hyo-Young (Plant Signaling Network Research Center, School of Life Sciences and Biotechnology, Korea University) ;
  • You, Min Kyoung (Plant Signaling Network Research Center, School of Life Sciences and Biotechnology, Korea University) ;
  • Lee, Jeong Hwan (Plant Signaling Network Research Center, School of Life Sciences and Biotechnology, Korea University) ;
  • Kim, Jeong-Kook (Plant Signaling Network Research Center, School of Life Sciences and Biotechnology, Korea University)
  • 투고 : 2008.04.07
  • 심사 : 2008.07.08
  • 발행 : 2008.10.31
⟨ 이전 논문 다음 논문 ⟩

초록

Recent molecular and genetic studies in rice, a short-day plant, have elucidated both conservation and divergence of photoperiod pathway genes and their regulators. However, the biological roles of rice genes that act within the autonomous pathway are still largely unknown. In order to better understand the function of the autonomous pathway genes in rice, we conducted molecular genetic analyses of OsFVE, a rice gene homologous to Arabidopsis FVE. OsFVE was found to be ubiquitously expressed in vegetative and reproductive organs. Overexpression of OsFVE could rescue the flowering time phenotype of the Arabidopsis fve mutants by up-regulating expression of the SUPPRESSOR OF OVEREXPRESSION OF CO1 (SOC1) and down-regulating FLOWERING LOCUS C (FLC) expression. These results suggest that there may be a conserved function between OsFVE and FVE in the control of flowering time. However, OsFVE overexpression in the fve mutants did not rescue the flowering time phenotype in in relation to the response to intermittent cold treatment.

키워드

과제정보

연구 과제 주관 기관 : Korea Research Foundation

참고문헌

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