Scientists engineer crops to conserve water, resist drought

Carl R. Woese Institute for Genomic Biology
March 21, 2018
By Carl R. Woese Institute for Genomic Biology
Scientists engineer crops to conserve water, resist drought
Photo by chuttersnap on Unsplash
For the first time, scientists have improved how a crop uses water by 25 per cent without compromising yield by altering the expression of one gene that is found in all plants, as reported in Nature Communications.

The international team increased the levels of a photosynthetic protein (PsbS) to conserve water by tricking plants into partially closing their stomata, the microscopic pores in the leaf that allow water to escape. Stomata are the gatekeepers to plants: When open, carbon dioxide enters the plant to fuel photosynthesis, but water is allowed to escape through the process of transpiration. | READ MORE

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