Cytokinin Induces a Rapid Decrease in the Levels of mRNAs for Catalase, 3-Hydroxy-3-methylglutaryl CoA reductase, Lectin and Other Unidentified Proteins in Etiolated Cotyledons of Cucumber : ENVIRONMENTAL AND STRESS RESPONSES : GENE STRUCTURE AND EXPRESSI

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概要

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• Large-scale differential hybridization was performed to examine rapid changes in gene expression caused by a phytohormone, cytokinin, in etiolated cotyledons of cucumber (Cucumis sativus L.). We isolated 86 cDNA clones for mRNAs whose levels decreased within 2 h of the start of treatment with N^6-benzyladenine (BA). Partial nucleotide sequences showed that some of the cDNAs were homologous to those for catalase, 3-hydroxy-3-methylglutaryl COA reductase (HMGR) and a lectin. This is the first report that the levels of the mRNAs for those proteins are regulated by a cytokinin in darkness. Together with previous results [Teramoto et al. (1993) Physiol. Plant. 87: 584, (1994) Planta 193: 573, (1995) Planta 196: 387], the present study suggests that the cytokinin act to lower the levels of mRNAs transcribed from various genes in etiolated cotyledons.

• 日本植物生理学会の論文

著者

• Tsuji Hideo

  Department of Botany, Faculty of Science, Kyoto University

• Toyama Tomoko

  Department of Botany, Faculty ofScience, Kyoto University

• Takeba Go

  Laboratory of Applied Biology, Faculty of Life Science, Kyoto Prefectural University

• Toyama Tomoko

  Department Of Botany Faculty Ofscience Kyoto University

• Takeba Go

  Laboratory Of Applied Biology Faculty Of Life Science Kyoto Prefectural University

• Takeba Go

  Laboratory Of Applied Biology Faculty Of Life Science Kyoto Prefecture University

• Takeba Go

  Laboratory Of Applied Biology Faculty Of Living Science Kyoto Prefecture University

• Takeba Go

  Kyoto Pref. Univ.

• Takeba Go

  Laboralory Of Applied Biology Faculty Of Living Science Kyoto Prefectural University

• Tsuji H

  Department Of Botany Faculty Of Science Kyoto University:(present)department Of Biology Kobe Women&a

• Tsuji Hideo

  Department Of Biology Kobe Women's University

• Teramoto Haruhiko

  Department of Botany, Faculty of Science, Kyoto University

• Teramoto H

  Laboratory For Photo-biology Photodynamics Research Center The Institute Of Physical And Chemical Re

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