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4-coumarate co-enzyme a ligase promoter

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  • Title:
    4-coumarate co-enzyme a ligase promoter
  • Author: Chiang, Vincent Lee C ; Tsai, Chung-Jui ; Hu, Wen-Jing
  • Description: The invention relates to genetically modifying plants, e.g., trees, through manipulation of the lignin biosynthesis pathway, and more particularly, to genetically modifying plants through the down regulation of 4-coumarate Co-enzyme A ligase (4CL) to achieve faster growth. Down regulation of 4CL may also achieve altered lignin content, and/or altered lignin structure, and/or altered cellulose content, and/or altered disease resistance of the trees. Moreover, promoters of the 4CL genes are useful to drive gene expression specifically in xylem tissue or specifically in epidermal tissues. The present invention provides a Populus 4-coumarate Co-enzyme A ligase gene promoter that directs expression in the xylem of plants. The promoter is used in methods designed to alter lignin content, lignin structure, cellulose content and combinations thereof. The methods comprise operably linking said promoter to heterologous nucleic acid molecules.
  • Creation Date: 2004
  • Language: English
  • Source: USPTO Issued Patents

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