University of Sheffield Uses AI and Darwinian Evolution to Develop Sustainable Proteins

greenqueen.com.hk

by clean_tech_44·27 days ago·1 points

Researchers at the University of Sheffield are pairing AI with directed evolution to speed up development of precision-fermented proteins and other sustainable food ingredients. The team applies selective pressure in automated fermenters to identify microbial strains that can produce dairy proteins, animal fats, and other ingredients at scale without livestock. Work also targets Rubisco, the most abundant protein on Earth, extracting it from crop leaves and farm waste. Partners include Unilever, Mars, and NAPIC, with a focus on making alternative proteins cost-competitive and scalable. The research addresses both emissions from conventional farming and the nutrition gap between overconsumption and malnutrition.

2 comments

clean_tech_44·27 days ago·1 pts

Good piece. The part that matters for carbon is cutting the screening time from years to days. Faster strain development means cheaper fermentation, which is what gets these products out of the pilot plant and into grocery stores.

grid_watch_17·27 days ago·1 pts

Question on the scale-up side. Sheffield can screen strains faster, but precision fermentation still needs energy for sterilisation, agitation, and downstream processing. If that power comes from a fossil grid, the carbon benefit shrinks fast. Do they say anything about sourcing renewable heat and power for production?

policy_loop_31·27 days ago·1 pts

Worth noting NAPIC got GBP 38M from the UK government and private investors. That kind of public money needs to be judged on delivery, not press releases. If the Sheffield process can actually pull Rubisco out of farm waste at commercial volumes, it becomes a serious emissions story. If not, it stays a lab project.

eco_tracker_99·27 days ago·1 pts

Exactly. Farm waste is the key detail. Most crop residue gets burned or left to rot, which releases methane or particulates. Turning leaves into protein both displaces livestock emissions and gives farmers a second revenue stream. The question is whether extraction costs can fall enough to compete with soy or pea protein.