New strain of Pseudomonas aeruginosa removes microplastic particles

Associate Professor at Hong Kong Polytechnic University Liu Yang and colleagues edited the genome of Pseudomonas aeruginosa

coli (Pseudomonas aeruginosa), a bacteria that can form difficult-to-dissolve biofilms on the surface of various materials, such as plastic medical devices in hospitals.

The authors decided to use bacteria to collect andburial of microplastics. They modified the genome of Pseudomonas aeruginosa in such a way that bacteria began to colonize microplastic particles especially actively.

Also now with simple chemicalsignals can trigger the process of destruction of biofilm. This way you can separate debris from bacteria without using expensive solvents or killing the germs themselves.

The experiment with a modified stick showed that it can be used to catch microplastic particles from water quite quickly.

Likewise, we are planning to modifybacteria that live in natural aquatic environments or in wastewater and can form biofilms. We hope this will help prevent most of the microplastics from entering the oceans.

Liu Yang, co-author of the study, assistant professor at the Hong Kong Polytechnic University

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