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Transgenic evaluation of activated mutant alleles of SOS2 reveals a critical requirement for its kinase activity and C-terminal regulatory domain for salt tolerance in Arabidopsis thaliana

United States Patent

September 4, 2007
View the Complete Patent at the US Patent & Trademark Office
The present invention provides a method of increasing salt tolerance in a plant by overexpressing a gene encoding a mutant SOS2 protein in at least one cell type in the plant. The present invention also provides for transgenic plants expressing the mutant SOS2 proteins.
Zhu; Jian-Kang (Riverside, CA), Quintero-Toscano; Francisco Javier (Sevilla, ES), Pardo-Prieto; Jose Manuel (Sevilla, ES), Qiu; Quansheng (Urbana, IL), Schumaker; Karen Sue (Tucson, AZ), Ohta; Masaru (Tsukuba, JP), Zhang; Changqing (Tucson, AZ), Guo; Yan (Beijing, CN)
Arizona Board of Regents/Behalf of University of Arizona (Tucson, AZ), Consejo Superior de Investigaciones Cientificas (Madrid, ES)
11/ 040,005
January 24, 2005
STATEMENT REGARDING FEDERALLY FUNDED PROJECT The United States Government owns certain rights in the present invention pursuant to funding from the National Institutes of Health Grant R01GM59138, and the U.S. Department of Energy Grant DE-FG03-93ER20120.