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Molecular characterization of the lignin-forming peroxidase: Role in growth, development and response to stress. Progress summary report, April 1, 1993--March 31, 1994

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Research and Development

  • Link:http://www.osti.gov/bridge/advancedsearch.jsp
  • Source:http://www.osti.gov/rdprojects
  • Resource Type:Technical Report
  • OSTI Identifier:10144262
  • Published Date:2008-04-09
  • Subject:09 BIOMASS FUELS; 59 BASIC BIOLOGICAL SCIENCES; PEROXIDASES; GENE REGULATION; LIGNIN; BIOSYNTHESIS; NICOTIANA; GENETIC ENGINEERING; GLUCURONIDASE; AUXINS; BIOLOGICAL FUNCTIONS; GENE OPERONS; PROGRESS REPORT
  • Description:Our group continues to focus on the characterization of the tobacco anionic peroxidase and its genes. Throughout this past year we have generated transgenic plants expressing {beta}-glucuronidase under control of the anionic peroxidase promoter, characterized effectors of peroxidase gene expression in transformed protoplasts, generated numerous transgenic plants which over- and under-express the anionic peroxidase in a tissue specific manner, characterized the role of the anionic peroxidase in t ...Show More
  • Description:Our group continues to focus on the characterization of the tobacco anionic peroxidase and its genes. Throughout this past year we have generated transgenic plants expressing {beta}-glucuronidase under control of the anionic peroxidase promoter, characterized effectors of peroxidase gene expression in transformed protoplasts, generated numerous transgenic plants which over- and under-express the anionic peroxidase in a tissue specific manner, characterized the role of the anionic peroxidase in the metabolism of auxin, introduced a marker (flag) into the anionic peroxidase primary protein sequence which will permit the identification of the recombinant protein in plant tissue, and described the enhancement of insect resistance as a result of over-expression of the anionic peroxidase. Although our research program has continued along the lines of the original proposal, we have redirected a significant effort to the role which this enzyme plays in the metabolism of auxin, and conversely, the role which auxin plays in regulating the expression of the anionic peroxidase gene. ...Show Less
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