Science · Fungi

What mycoremediation can and cannot do

Fungi can transform or immobilize some contaminants, but the result depends on the organism, contaminant, substrate, chemistry, and field conditions.

Published October 3, 2026Field note

Mycoremediation is a form of bioremediation that uses fungi or fungal processes to help treat contaminated material. Research summarized in the U.S. Environmental Protection Agency’s HERO database describes fungal enzymes and fungal uptake as mechanisms that can act on some organic pollutants and trace elements.

Why fungi are interesting

Some fungi release extracellular enzymes that evolved to break down complex natural compounds such as lignin. Those enzyme systems can also act on certain pollutant molecules. Other fungi can accumulate some metals or other elements in their tissues.

Why the caveats matter

“Fungi can degrade this compound in a laboratory” is not the same as “this method will clean a contaminated site.” Field performance can change with pH, temperature, moisture, oxygen, contaminant concentration, substrate, competing microbes, fungal strain, and site design. Older reviews of commercial mycoremediation also document the gap between promising laboratory results and inconsistent field-scale performance.

My connection to it

In Mexico, I worked with mushroom cultivation and mycoremediation approaches using bags, logs, buckets, and outdoor beds. That hands-on experience is one reason fungal systems became part of my scientific interests. It is not a substitute for environmental sampling, toxicology, remediation engineering, or regulatory cleanup standards.

Sources & further reading