Researchers Find a Fungus that Can Break Down Plastic in Weeks
Who knew fungus could be so helpful.
Researchers at the Chinese Academy of Sciences’ Kunming Institute of Botany have found a fungus that could potentially help us to address the problem of non-biodegradable plastics. The fungus is able to break down waste plastics in a matter of weeks that would otherwise persist in the environment for years.
Aspergillus tubingensis is typically found in soil, but the study found that it can also thrive on the surface of plastics. It secretes enzymes which break down the bonds between individual molecules and then use its mycelia to break them apart.
It’s thought that there are all types of fungi with useful properties that we don’t yet know about — but as deforestation and other human activity continue to destroy habitats, we might never gain access to such species. The researchers actually found Aspergillus tubingensis on a rubbish dump in Islamabad, Pakistan.
The study observed that there are several factors that affect the fungus’ capacity to break down plastic. The temperature and pH balance of its surroundings, as well as the type of culture medium in place, had an impact on its performance.
The next step for these researchers is to figure out what conditions would be ideal to help facilitate a practical implementation.
The fungus could be used to help address the problem of plastic particles swimming around in our water supply by being put to work in a waste treatment plant, or in soil contaminated with the material. The benefits of mycoremediation — the practice of using fungi to degrade unwanted substances — are becoming more and more apparent as we find species that can degrade more varieties of material.
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