Plant Oil Content: Protector Role Key
- Scientists at Brookhaven National Laboratory have found a new method to increase plant oil production in leaves and seeds.
- The research has implications for increasing the availability of vegetable oils and biodiesel fuel.
- the Brookhaven team's strategy involves genetically pushing plant cells to produce more oil and then pulling that oil into storage within lipid droplets.
Brookhaven National Laboratory scientists are revolutionizing plant oil production by tweaking the plant oil protector protein, oleosin. This groundbreaking research reveals how genetic modifications can substantially enhance biofuel potential, boosting oil accumulation in leaves and seeds. The scientists found they coudl protect the oleosin, thus increasing oil content by up to 54% in leaves and 13% in seeds. The implications are huge for vegetable oil availability and lasting fuel sources. They’ve engineered oleosin variants that resist degradation, leading to increased oil storage without impacting plant growth, unlocking potential in bioenergy crops. News Directory 3 is excited about this breakthrough, which could meet the rising demand for biodiesel and vital plant oils. Discover what’s next in the effort to understand the mechanisms behind early growth oil breakdown.
Protein Tweak Boosts Plant Oil Production, Biofuel Potential
Updated June 22, 2025
Scientists at Brookhaven National Laboratory have found a new method to increase plant oil production in leaves and seeds. Their work, detailed in New Phytologist, focuses on modifying a protein that safeguards newly created oil droplets. This genetic tweak essentially shields the oil-protector protein,allowing more oil to accumulate within the plant.
The research has implications for increasing the availability of vegetable oils and biodiesel fuel. The team focused on boosting oil accumulation in plant parts like leaves, which typically don’t produce much oil. As vegetative tissues make up most of a plant’s biomass, increasing their oil content could significantly boost overall energy production.This could transform crop plants into sustainable fuel sources.
the Brookhaven team’s strategy involves genetically pushing plant cells to produce more oil and then pulling that oil into storage within lipid droplets. Biochemist John Shanklin explained that oil accumulation is a balance between synthesis and breakdown. Therefore, they also explored ways to protect the oil from being degraded.
One such protective protein, oleosin, embeds itself in the oil-droplet membrane, preventing enzymes from breaking down the oil. Shanklin noted that while increasing oleosin levels is a common approach, oleosin itself can degrade. The team then sought a way to protect oleosin itself.
Research associate Sanket Anaokar worked to identify and remove the parts of oleosin that degradation enzymes recognize. By engineering variants of the oleosin protein and testing them in tobacco leaves, they pinpointed key mutations that made oleosin more resistant to breakdown. Plants with these modifications accumulated 54% more oil in their leaves and 13% more in their seeds compared to unmodified plants, significantly boosting plant oil production.
Surprisingly,these modifications did not negatively effect plant growth or seed germination. Shanklin said they initially worried that preventing oil breakdown during seed development would inhibit the plant’s establishment process. Though, they discovered that seedling growth was unaffected, suggesting another mechanism breaks down oil during early growth.
“Implementing this strategy in bioenergy or oil crop plants could help meet the growing demand for biodiesel fuel and/or nutritionally vital plant oils,” Shanklin said.
What’s next
further research will focus on identifying the choice mechanism plants use to break down oil during early growth. This knowledge could lead to even more effective strategies for increasing plant oil production without hindering seedling development, possibly revolutionizing the production of sustainable biofuels and valuable plant oils.