Brassinosteroids Induce Entry into the Final Stage of Tracheary Element Differentiation in Cultured Zinnia Cells
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概要
- 論文の詳細を見る
To elucidate the involvement of brassinosteroids in the progression of tracheary element differentiation in cultured Zinnia cells, we analyzed the effects of uniconazole, an inhibitor of brassinosteroid synthesis, and brassinolide, a biologically active brassinosteroid, on the accumulation of mRNAs for various genes that were expressed in different stages of differentiation. Uniconazole specifically suppressed the accumulation of transcripts for genes that were induced in the final stage of differentiation in association with secondary wall formation and cell death. This suppression was recovered with the addition of brassinolide. These results strongly suggest that endogenous brassinosteroids induce entry into the final stage of differentiation.
- 日本植物生理学会の論文
著者
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福田 裕穂
東大 大学院理学系研究科
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出村 拓
理研 植物科学研究セ
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DEMURA Taku
Botanical Gardens, Graduate School of Science, University of Tokyo
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Fukuda Hiroo
Botanical Gardens Faculty Of Science University Of Tokyo
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Yamamoto Ryo
Botanical Gardens, Faculty of Science, University of Tokyo
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