Light-repressible promoters
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United States of America Patent
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app pub date -
Jan 26, 2004
filing date -
Mar 12, 1999
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Abandoned
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Abstract
The present invention provides a DNA fragment or promoter for expressing a gene of interest light-repressibly or specifically in the dark. A light-repressible promoter was obtained from the 5' upstream region of a plant gene expressed light-repressibly or specifically in the dark, and the function of said promoter was extensively analyzed to reveal a cis-element sequence and a core sequence involved in light-repressible expression. An expression cassette comprising a DNA fragment carrying each of these sequences upstream of a gene of interest can be constructed and transfected into a plant cell or a plant to provide a plant cell or a plant that expresses the gene of interest light-repressibly or specifically in the dark.
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