In a small plant with delicate violet flowers, scientists have found something big: a tiny chemical factory that could help replace petroleum-based products with cleaner, plant-made alternatives.
Researchers at the Center for Advanced Bioenergy and Bioproducts Innovation, working at the University of Illinois, discovered how the plant Orychophragmus limprichtianus (or-or-ih-koh-FRAY-guh-nus lim-PRIKH-tee-ah-nus) produces unusual fatty oils with longer chains than most plants make. While common vegetable oils like soybean oil have fatty acids with 16 to 18 carbon atoms, this plant creates oils with 24 to 28 carbon atoms — and with special chemical groups called keto-hydroxy that make them extra useful for industrial products.
The team, led by Hyojin Kim and colleagues, identified two key enzymes that do the work. They call them FAE1 and KCR1. Together, these molecular machines build up the fatty acid chains in a stepwise process similar to how bacteria assemble complex molecules. This discovery, published in Science Advances in 2026, shows that plants can borrow bacterial tricks to create products they normally wouldn't make.
To figure out exactly how the system works, researchers used a suite of high-tech tools: different types of mass spectrometry (which identifies molecules by their weight), biochemical tests, and artificial intelligence programs that predict how protein shapes work. Once they understood the pathway, they copied it into a different oilseed plant — essentially giving that plant the ability to make the same valuable oils.
This matters because industrial lubricants, which keep machines running smoothly, have traditionally come from petroleum. These plant-based oils could offer a renewable, biodegradable alternative. Unlike drilling for oil, growing plants captures carbon dioxide from the air. "This work reveals unprecedented evolutionary plasticity in plant lipid metabolism, breaking traditional boundaries of fatty acid engineering," the researchers wrote.
The findings give scientists a new set of building blocks for designing plants or microbes that produce tailor-made oils for specific jobs — whether that's biodegradable hydraulic fluid, specialized waxes, or other high-value bioproducts. It's a reminder that nature, with billions of years of evolution behind it, still has tricks to teach us — and that some of those tricks might help wean industry off fossil fuels.