A closer look at “Scientists Discover Nitrogen Fixation 'Off Switch' That Could Help Crops Make Their Own Fe”, exactly as the source publishes it. A breakthrough discovery reveals an 'off switch' in the nitrogen fixation process, a finding that could one day enable crops to produce their own fertilizer. Nitrogen is essential for all life, needed to build proteins, DNA, and other cellular components. While nitrogen gas makes up nearly 80% of Earth's atmosphere, most organisms cannot use it directly.
Certain microbes solve this problem via nitrogen fixation, converting nitrogen gas into ammonia using the enzyme nitrogenase. Researchers have now identified a regulatory mechanism that turns this process off, a key step in understanding how to potentially transfer nitrogen-fixing abilities to plants. If crops could fix their own nitrogen, farmers could dramatically reduce reliance on synthetic fertilizers, which are energy-intensive to produce and can harm the environment. The full version stays on the original page, which this listing opens directly.