Synthetic chemical offers solution for crops facing drought
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Synthetic chemical offers solution for crops facing drought (Image 1)

April 30, 2014
Sean Cutler, an assistant professor of plant cell biology in the Department of Botany and Plant Sciences at the University of California, Riverside, examines an Arabidopsis, a small flowering plant used widely in plant biology labs as a model organism. Crops and other plants are constantly confronted with adverse environmental conditions. Plants use specialized signals, called stress hormones, to sense difficult times and adapt to stressful conditions to enhance survival. Of the various stress hormones produced by plants, abscisic acid (ABA) has emerged over the last 30 years as the key hormone that helps plants cope with drought conditions. Research led by Cutler suggests the possibility of spraying stable synthetic chemicals on plants to enhance stress tolerance during drought and improve yield. Cutler identified pyrabactin, a synthetic chemical that turns on the ABA signaling pathway in Arabidopsis, and used it to fish out a receptor for ABA. This research was supported in part by a grant from the National Science Foundation. To learn more about this research, see the UC-Riverside news story Synthetic chemical offers solution for crops facing drought. (Date of Image: April 2009) Credit: UCR Strategic Communications

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