The Seed-Specific Transcription Factor VP1 (OSVP1) Is Expressed in Rice Suspension-Cultured Cells
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概要
- 論文の詳細を見る
A seed-specific transcriptional regulator, VP1, is required for the induction of ABA-regulated genes that include Lea (late embryogenesis abundant protein) genes. Although the induction of one rice Lea gene, Osem, by ABA is normally restricted to seed tissues, we found that the expression was strongly induced by ABA in the Oc line of rice suspension-cultured cells. Since this observation suggested that rice VP1 (OSVP1) protein or a functionally similar protein might be expressed in the cultured cells, we analyzed the expression of Osvp1 in these cells at both the mRNA and the protein level, we detected Osvp1 mRNA and OSVP1 protein in the cultured cells at levels similar to or higher than those in developing embryos. In the cultured cells, neither the level of total cellular OSVP1 nor that of nuclear OSVP1 protein was affected by ABA. Based on the results, the mechanism for the transcriptional regulation of VP1-dependent ABA-inducible genes is discussed.
- 日本植物生理学会の論文
著者
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Ohmiya Kunio
Department Of Food Science And Technology Faculty Of Agriculture Nagoya University
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Nakagawa Hitoshi
Center for Molecular Biology and Genetics, Mie University
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Hattori Tsukaho
Center for Molecular Biology and Genetics, Mie University
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Hattori Tsukaho
Center For Molecular Biology And Genetics Mie University:department Of Bioresources School Of Biores
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Hattori Tsukaho
Center For Molecuiar Bioiogy And Genetics Mie University
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Hattori Tsukaho
Suntory Institute For Bioorganic Research
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Ohkura Eiko
Center for Molecular Biology and Genetics, Mie University
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Nakagawa H
Fac. Horticulture. Chiba Univ.
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Ohmiya Kunio
Department Of Bioresources School Of Bioresources Mie University
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Nakagawa H
National Inst. Livestock And Grassland Sci. Nishinasuno Jpn
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Ohkura Eiko
Center For Molecular Biology And Genetics Mie University:department Of Bioresources School Of Biores
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