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Cold-adapted carboxylesterases from Alcanivoracaceae active with a wide range of synthetic polyesters
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Researchers characterized cold-adapted carboxylesterases from marine Alcanivoracaceae bacteria and found they are active against a broad range of synthetic polyesters, suggesting a role in plastic biodegradation within ocean plastic-associated microbiomes.
Members of the family Alcanivoracaceae are widespread in marine environments, where they play central roles in hydrocarbon degradation and populate plastics-associated microbiomes, with notable enzymatic potential toward ester- and olefin-based polymers. To further investigate their e...
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Researchers identified new bacterial enzymes from gut-associated Bacteroidetes bacteria capable of breaking down PET plastic at cold temperatures. These cold-active plastic-degrading enzymes could be useful for developing biological solutions to plastic pollution in cold aquatic environments where microplastics accumulate.
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Researchers reviewed how bacteria in cold marine environments — including polar oceans — can break down synthetic plastics, highlighting the unique advantages of cold-adapted microbes for plastic remediation. While plastic degradation in cold habitats is still poorly understood, these microorganisms represent a promising avenue for cleaning up ocean plastic pollution.
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This review examines Alcanivorax marine bacteria's expanding role beyond hydrocarbon degradation to include breakdown of synthetic plastics, highlighting their presence in plastisphere communities and enzymatic activity against various plastic types. Researchers also discuss the biotechnological potential of Alcanivorax esterases for recycling bio-based polyesters like PLA and PHB, positioning these bacteria as valuable assets for marine plastic remediation.
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When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.