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Plant and Cell Physiology, 2003, Vol. 44, No. 6 649-652
© 2003 Oxford University Press

Short Communications

Regulation of Gene Expression of a Cysteine Proteinase, EP-C1, by a VIVIPAROUS1-like Factor from Common Bean

Daisuke Yamauchi1

Department of Life Science, Himeji Institute of Technology, 2167 Shosha, Himeji-shi, Hyogo, 671-2201 Japan

Abstract

A VIVIPAROUS1-like transcription factor, PvALF, is known to activate storage protein genes through the RY element in their promoters in maturing common bean seeds. This element also exists in the promoter of the gene for a cysteine proteinase, EP-C1, which is expressed in a germination-specific manner. We show that the EP-C1 gene expression is suppressed through interaction of PvALF with the RY element in the EP-C1 promoter.

Footnotes

1 Corresponding author: E-mail, dyamauch{at}sci.himeji-tech.ac.jp; Fax, +81-792-67-4920.


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