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Heterologous expression and characterization of Rhodococcus opacus R7 laccase-like multicopper oxidase (LMCO1) enzyme for polyethylene biodegradation
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Researchers heterologously expressed a laccase-like multicopper oxidase enzyme from Rhodococcus opacus R7 and characterized its capacity for oxidative degradation of polyethylene, exploring a biological route to breaking down one of the most common and persistent plastic polymers.
The production rate of Polyethylene (PE) has increased to a concerning level, necessitating effective strategies to reduce its environmental impacts. This study investigates the role of laccase-like multicopper oxidase (LMCO1) in oxidative degradation of PE, through a comprehensive approach, i...
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Discovery of a polyethylene biodegradable laccase from Acinetobacter dijkshoorniae
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Researchers identified a novel laccase enzyme from Acinetobacter bacteria that is capable of breaking down polyethylene, one of the most widely used and persistent plastics. The enzyme demonstrates measurable biodegradation activity under laboratory conditions, offering a potential biological pathway for plastic waste remediation. This discovery adds to a growing toolkit of microbial enzymes being explored for enzymatic plastic recycling.
Structural Insights into the Expanded Substrate Scope of a Cysteine-Dependent Hydrolase from Rhodococcus opacus for Polyethylene, Polypropylene, and Polystyrene Biodegradation
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Researchers tested an enzyme from Rhodococcus opacus bacteria on three common plastics: polyethylene, polypropylene, and polystyrene, in lab experiments. The enzyme broke down all three plastics into smaller pieces, with polyethylene showing the most breakdown, as confirmed by imaging and chemical analysis of the plastic surfaces.
Polyethylene Biodegradation by an Artificial Bacterial Consortium: Rhodococcus as a Competitive Plastisphere Species
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Researchers constructed an artificial bacterial consortium to degrade polyethylene (PE) and identified Rhodococcus as a dominant competitor in the plastisphere, revealing key enzymatic mechanisms behind PE biodegradation and offering a potential microbial strategy for tackling one of the world's most persistent plastic pollutants.
Application of laccase produced by marineactinomycetes in accelerating the rate of biodegradation of polyethylene
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This study examined the use of laccase enzymes produced by marine actinomycetes to accelerate the biodegradation of polyethylene, finding that enzymatic treatment enhanced plastic breakdown and offers a potential bioremediation strategy for plastic waste.
Highly efficient low-temperature biodegradation of polyethylene microplastics by using cold-active laccase cell-surface display system
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Researchers developed a cold-active laccase cell-surface display system in E. coli that achieved highly efficient low-temperature biodegradation of polyethylene microplastics, overcoming a key limitation of enzymatic plastic breakdown in cold environments.
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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.