What Bayer is building
Bayer is pursuing gene-edited versions of major grains so plants can draw on nitrogen in the air instead of relying so heavily on synthetic fertilizer. It obtained a commercial license for a University of California, Davis method that tweaks grain genomes so roots recruit soil microbes to transform atmospheric nitrogen into a usable form.
Scientists have pursued this for decades because synthetic fertilizer underpins roughly half of global food output and is a leading contributor to greenhouse-gas emissions. The work targets corn, wheat and rice, which together account for nearly half of the world's daily calories and, unlike legumes such as soybeans, do not naturally fix nitrogen from the air.
In an interview, Matthias Berninger, who oversees public affairs and sustainability at Bayer, called the effort "game-changing because we are able to unlock the possibilities in crops that normally depend" on fertilizer. "This is one of the holy grails in our field. So it is a really big deal."
Why now
Bayer frames the push as both climate and supply security strategy. The company argues the UC Davis approach could lower emissions and reduce reliance on imported fertilizer after the Middle East war highlighted vulnerabilities, and amid fertilizer price spikes tied to the Iran war and related supply snags. It also sees a route to participate in the 85 billion dollar urea market, with Berninger pointing out that nearly a quarter of those imports into the European Union still originate from Russia.
Policy may help. Earlier this year, EU lawmakers backed a framework for gene-edited plants, removing the last obstacle to legislation that would permit cultivation of more resilient crops. "The beauty is also with the European regulation now being much more welcoming for gene editing that this allows us to introduce a platform for three crops the world depends on to become less dependent on fertilizer," Berninger said, adding that fertilizer is "by far" the highest cost for farmers.
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What comes next
Bayer says the next step is testing outside the greenhouse in real-world conditions. Earlier this month, it also partnered with Stanford spinout Switch Bioworks, which takes a complementary tack by engineering microbes that live on roots to help crops absorb nitrogen. Together with the UC Davis license, Bayer casts this as a multi-pronged push to improve crop returns while using less fertilizer.
UC Davis works with an institute that Jennifer Doudna, a Nobel Prize winner, helped establish as a research collaborator, and her CRISPR contributions enable the precise gene editing used in these projects. Bayer cautions the runway is long and uncertain, saying the technology likely will not reach the market before the next decade and might not perform as intended. "We are well aware that this also could ultimately turn out not to work as intended," Berninger said, "but this is such a big opportunity that we believe it's now time to double down."
The investor angle
Lower fertilizer use could free up farmer budgets that Bayer aims to capture with its seeds and crop protection products. If field results line up, the company gets an emissions story, a supply resilience angle, and a shot at value tied to a large fertilizer market. The risk is the timeline and technical stretch, but the target is a core input in global food production.
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