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Journal of Experimental Botany, Vol 49, 617-620, Copyright © 1998 by Oxford University Press

ARTICLES

Short communication. Light-regulated gene expression of S-adenosylmethionine decarboxylase in Pharbitis nil

I Yoshida, H Yamagata and E Hirasawa
Department of Biology, Faculty of Science, Osaka City University, Sumiyoshi-ku, Osaka 558, Japan; Laboratory of Biochemistry, Faculty of Agriculture, Kobe University, Nada-ku, Kobe 657, Japan; Corresponding author; Fax: +81 6 605 2522; E-mail: hirasawa@sci.osaka-cu.ac.jp

The level of mRNA for S-adenosylmethionine decarboxylase (SAMDC) EC 4.1.1.50) in leaves of Pharbitis nil exposed to light began to increase after 15 min exposure, peaked by 45 min and was followed by a rapid decline, suggesting a very rapid light-regulation of the gene expression. These changes of the mRNA level indicate that the photoresponse of SAMDC abundance is regulated primarily at a transcriptional level.Keywords: S-adenosylmethionine decarboxylase, photoinduction, gene expression, Pharbitis nil.
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I. Yoshida, H. Yamagata, and E. Hirasawa
Signal transduction controlling the blue- and red-light mediated gene expression of S-adenosylmethionine decarboxylase in Pharbitis nil
J. Exp. Bot., June 1, 2002; 53(373): 1525 - 1529.
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