The regulation of heterotirmeric G protein signaling by interacting proteins in plants

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Our work is directed toward understanding the basis of plant tolerance to environmental stresses including drought, salt and low temperature stress. We are investigating the fundamental genetic and molecular responses to environmental stress in order to understand the basis of tolerance to stress and develop strategies to improve tolerance to drought and salt toxicity. Unpredictable changes in climatic conditions, including drought and extreme temperatures pose challenging and costly risks to agriculture. Plants have a wide genetic variation for stress tolerance and throughout the history of agriculture there has been genetic selection for improved yield under stress conditions. The need to improve tolerance in plants is increased by changing climatic conditions and the success in achieving improvements will be dependent on understanding the biological mechanisms underpinning stress tolerance. My laboratory has identified a large number of regulatory genes in wheat whose change in expression correlates with the level of tolerance of wheat different genotypes.