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Potential Microplastic-Degrading Bacteria from Mangrove Sediment in The Paluh Getah Area, Percut Sei Tuan District
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Ten bacterial strains isolated from mangrove sediments in North Sumatra were screened for microplastic degradation, with three promising isolates showing growth on LDPE, HDPE, PET, PP, and PS substrates, identifying mangrove bacteria as a potential source of plastic-degrading microbes.
Microplastic pollution poses a severe threat to marine ecosystems due to its persistence and toxicity, necessitating innovative biodegradation strategies. This study explored the potential of bacteria isolated from mangrove sediments of the Paluh Getah mangrove forest, North Sumatra, to degrade common microplastics, including LDPE, HDPE, PET, PP, and PS. Ten bacterial isolates were obtained and screened for their ability to grow on microplastic-supplemented mineral salt medium over 20 days. Three isolates (BPM 5, BPM 9, and BPM 10) demonstrated robust growth, with biochemical tests confirming catalase activity critical for managing oxidative stress during plastic degradation. Molecular identification via 16S rRNA gene sequencing revealed the isolates as Enterobacter sp. and Brevibacillus parabrevis, both known for their biodegradation capacities. The findings underscore the diverse metabolic pathways these bacteria employ to utilize microplastics as carbon sources. This research highlights the promise of mangrove sediment bacteria as eco-friendly bioremediation agents to mitigate microplastic pollution in coastal environments. Further studies are required to optimize degradation conditions and elucidate enzymatic mechanisms to enhance practical applications.
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Isolation and Identification of Four Strains of Bacteria with Potential to Biodegrade Polyethylene and Polypropylene from Mangrove
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Researchers screened mangrove sediment and surface water bacteria for the ability to biodegrade polyethylene and polypropylene microplastics, successfully isolating four candidate strains. The identified bacteria showed measurable plastic degradation activity, highlighting mangrove ecosystems as a source of novel plastic-degrading microorganisms.
Screening for Polypropylene Degradation Potential of Bacteria Isolated from Mangrove Ecosystems in Peninsular Malaysia
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Two bacterial species isolated from mangrove sediments in Malaysia were found to partially degrade polypropylene plastic, as measured by weight loss and surface changes after incubation. Mangrove-associated bacteria capable of degrading plastics could have potential applications in biological plastic remediation.
Isolasi dan Identifikasi Bakteri Pengurai Mikroplastik Polyethylene Terephthalate dari Sedimen Ekosistem Mangrove Pasir Putih
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Researchers isolated and identified bacteria capable of degrading polyethylene terephthalate (PET) microplastics from mangrove sediments at Pasir Putih Wonorejo, Indonesia, where PET was the dominant polymer (59% of microplastics in the rainy season), evaluating indigenous bacterial strains as potential biodegradation agents for plastic pollution in mangrove ecosystems.
Bioremediation of microplastic using microbes isolated from mangrove sediments / Helen Shnada Auta
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Twenty-two bacteria isolated from plastic-contaminated mangrove sediments were screened for the ability to degrade common plastic polymers including PE, PP, PET, and PS, with nine isolates showing degradation activity. The findings suggest that mangrove ecosystems harbor microbes with potential for bioremediation of plastic pollution in marine and coastal environments.
Screening of Bacillus strains isolated from mangrove ecosystems in Peninsular Malaysia for microplastic degradation
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Researchers screened Bacillus strains isolated from mangrove ecosystems in Malaysia for plastic-degrading ability, identifying several strains with activity against synthetic polymers and highlighting mangrove microbiomes as a source of plastic-degrading bacteria.
Research digests by email
When a large batch of papers lands in the Atlas, we read through it and send a short write-up of what stood out.