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Vegetarian and vegan are no longer niche concepts. It's estimated that up to 10 percent of the American population follows one of these diets, which translates to about 25 million people. Then there are the conscious omnivores who limit their meat intake, abstaining on certain days of the week. As a result, the alternative meat market is growing. It was valued at $7 billion in 2024 and is expected to grow to over $16 billion by 2032. 

This is what makes one strand of gene-altered fungus so exciting. Researchers say it has a meatlike texture, is easily digested, is highly eco-friendly, and, crucially, is delicious. This fungus could be the missing ingredient in the meat substitute market, bringing sustainable, rich, and meaty flavor to a variety of products. 

Gene modification

A research team at Jiangnan University in China has used CRISPR gene-editing technology to modify a strain of Fusarium venenatum, a fungus already used to make mycoprotein—the protein base for meat substitutes. The fungus in its natural form already has a meatlike texture and high protein content, but it also has thick cell walls that make it harder for humans to digest and less efficient to produce. 

To address these limitations, scientists deleted two specific genes, thinning the cell walls to optimize the fungus's metabolism so it produces protein more efficiently without introducing foreign DNA.

The modifications were a resounding success. The gene-edited strain grows protein 88% faster than its unmodified counterpart, yet uses 44% less sugar to do it. This means that its production is both more resource-efficient and less wasteful. The modified fungus also remains easier to digest and reportedly tastes more “meatlike” than before.

"There is a popular demand for better and more sustainable protein for food," Xiao Liu, one of the study's corresponding authors, told Science Daily. "We successfully made a fungus not only more nutritious but also more environmentally friendly by tweaking its genes."

Sustainability

Trust

From an environmental perspective, FCPD’s advantages are even more dramatic. A lifecycle model suggested it could cut greenhouse gas emissions by up to 60 percent compared to traditional fungus production and requires 70 percent less land than chicken production for the same amount of protein. It also reduces the risk of freshwater contamination by 78 percent. 

When you consider that conventional livestock farming takes up roughly 50 percent of habitable land and contributes around 20 percent of greenhouse gas emissions, this is significant. Mycoprotein already has a lower footprint than many animal proteins, but innovations like FCPD further shrink that gap, making alternative proteins an even more compelling choice.

Hurdles

Despite all the benefits and the fact that it doesn't use any foreign DNA, the gene-editing process used here will still face regulatory and consumer scrutiny before products using it can hit supermarket shelves. Gene-edited foods often prompt debates about safety, labeling, and public trust, even when the edits are designed to mimic natural variation rather than introduce new genes. However, early research suggests that editing technologies like CRISPR are very safe and effective when used responsibly. 

If produced at a commercial scale, this type of fungus-based protein could help diversify the way the world meets nutritional needs while curbing the environmental impact of food production.