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Transcription factors to improve plant stress tolerance

United States Patent Application

View the Complete Application at the US Patent & Trademark Office
DNA transcription regulating proteins capable of binding to a DNA regulatory sequence that regulates expression of one or more environmental stress tolerance genes in a plant such as to cold and drought are provided. Cold-regulated transcription factors may include ZAT12 and RAV1. The present invention relates to the DNA regulatory sequence to enhance the stress tolerance of recombinant plants into which these genes are introduced. Methods for using the DNA and transcription regulating proteins to regulate expression of one or more native or non-native environmental stress tolerance genes in a plant are provided. Use of a promoter capable of effecting mRNA transcription in the selected plant cell to be transformed may also included. Other embodiments include the use of vectors.
Thomashow, Michael F. (East Lansing, MI), Fowler, Sarah George (Ann Arbor, MI), Vogel, Jonathan (Holt, MI), Zarka, Daniel (Lansing, MI)
10/ 632,436
August 1, 2003
[0002] This invention was made with U.S. Government support under Contract No. DBI 0110124 awarded by the National Science Foundation and Contract No. DEFG0291ER20021 awarded by the U.S. Department of Energy. The U.S. Government has certain rights in this invention. This research is also supported by the Michigan Agricultural Experiment Station.