Engineering the plant mitochondrial electron transport chain for tolerance of environmental stress

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Plants often face hostile environments that place them under stress. Reactive oxygen molecules produced under these conditions act as signals to activate defense mechanisms, but also cause cell damage. Mitochondria are subcellular compartments involved in energy production and are essential for plant growth and development, but they have also been implicated in the response of plants to environmental stress, and in production of reactive oxygen molecules. This project will investigate special features of plant mitochondria that ameliorate oxidative stress. Potential outcomes include crops better able to cope with environmental stress.