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INCREASING LEAF LONGEVITY AND DISEASE RESISTANCE BY ALTERING SALICYLIC ACID CATABOLISM

United States Patent Application

20160312239
A1
View the Complete Application at the US Patent & Trademark Office
The present invention relates to a transgenic plant having an altered level of salicylic acid 3-hydroxylase ("S3H") protein, compared to that of a non-transgenic plant, where the transgenic plant displays an altered leaf senescence phenotype, relative to a non-transgenic plant. The present invention relates to a mutant plant comprising an inactivated gene encoding S3H protein, where the mutant plant displays a premature or precocious leaf senescence phenotype, relative to a non-mutant plant. The present invention also relates to methods for promoting premature or precocious leaf senescence in a plant, delaying leaf senescence in a plant, and making a mutant plant having a decreased level of S3H protein compared to that of a non-mutant plant, where the mutant plant displays a premature or precocious leaf senescence phenotype relative to a non-mutant plant. The present invention also relates to inducing or promoting pathogen resistance in plants.
GAN, Susheng (Ithaca, NY), ZHANG, Kewei (Zhejiang, CN)
14/ 909,641
August 1, 2014
[0002] This invention was made with government support under grant number DE-FG02ER15341 awarded by the Department of Energy, and NSF-MCB-0445596 awarded by the National Science Foundation. The government has certain rights in this invention.