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New Deep-Sea Bacteria Consume Plastic Components at High Pressures

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Discovery

Curated by Surfaced Editorial·Technology·2 min read
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Researchers from the Royal Netherlands Institute for Sea Research (NIOZ) have identified deep-sea bacteria capable of degrading terephthalic acid (TPA), a crucial building block of PET plastic, even under high-pressure conditions. Found in sediments from the Mariana Trench, these microbes efficiently break down TPA, which is usually resistant to biological degradation. The team used specialized high-pressure bioreactors to simulate deep-sea conditions and observe the bacteria's activity over several weeks. This discovery suggests a potential natural mechanism for plastic breakdown in the deep ocean, where most plastic waste eventually accumulates.

Why It’s Fascinating

This discovery is significant because it provides a glimmer of hope that natural processes might eventually mitigate some of the deep-sea plastic pollution, which was previously thought to accumulate almost indefinitely. It confirms the remarkable adaptability of extremophiles and expands our understanding of microbial bioremediation capabilities. Within 5-10 years, this research could lead to the development of bio-augmentation strategies, where specific enzymes or bacteria are deployed to target plastic waste in polluted marine environments. Imagine tiny, invisible cleaners slowly dissolving a submerged plastic island, piece by piece. Environmental scientists and policymakers could benefit greatly from these insights. Could we engineer these bacteria to degrade plastics even faster and more efficiently?

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