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Methods for the identification of inhibitors of serine acetyltransferase activity in plants
Rice, JW., Guo, L., Davis, K., Zayed, A., Ascenzi, R., Mitchell, JC., Riggsbee, DN., Boyes, D., Mulpuri, R., Hoffman, N., Kjemtrup, S., Hamilton, C., Woessner, J., & Gorlach, J. (2004). Methods for the identification of inhibitors of serine acetyltransferase activity in plants. (U.S. Patent No. 6770452). http://patft.uspto.gov/netacgi/nph-Parser?patentnumber=6770452
The present inventors have discovered that serine acetyltransferase (SAT) is essential for plant growth. Specifically, the inhibition of SAT gene expression in plant seedlings results in reduced growth and altered pigmentation. Thus, SAT is useful as a target for the identification of herbicides. Accordingly, the present invention provides methods for the identification of herbicides by measuring the activity of an SAT in the presence and absence of a compound, wherein an alteration of SAT activity in the presence of the compound indicates the compound as a candidate for a herbicide.
