Scientists discover the genetic steps that created hardy, productive plants

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Scientists discover the genetic steps that created hardy, productive plants
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Researchers at the Salk Institute discover the gene expression that underpin two forms of photosynthesis. It offers a promise that gene editing could make some crops more resilient and productive.

Plants in a greenhouse at the Salk Institute are examined for genetic traits that come with C4 photosynthesis. Nov. 22, 2024.

Swift was co-author of a paper that examined how those hardy C4 plants evolved millions of years ago. All plants photosynthesize to survive, making oxygen and food in the process. But they don’t all do it in the same way.The paper, published in the journal Nature, offered a promise that gene editing — available today — could give many more plants that kind of resilient, efficient photosynthesis found in C4 plants.

The increased efficiency and drought tolerance of C4 is due to its ability to correct some problems with C3, from which it evolved.

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