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Isolation and characterization of a polyurethane-degrading bacterium / 生物工程学报
Chinese Journal of Biotechnology ; (12): 3675-3684, 2021.
Article in Chinese | WPRIM | ID: wpr-921456
ABSTRACT
Biodegradation of polyurethane (PUR) pollutants by microorganisms has received widespread attention currently. Identification of microorganisms capable of efficiently degrading PUR plastics is a key point. In this study, a strain P10 capable of degrading PUR was isolated from the plastic wastes, and identified as a bacterium belonging to the genus of Brevibacillus based on colony morphology and 16S rDNA phylogenetic analysis. Brevibacillus sp. P10 was capable of degrading 71.4% of waterborne polyurethane (Impranil DLN) after 6 days growth in MSM medium with DLN as a sole carbon source. In addition, strain P10 can use commercial PUR foam as the sole carbon source for growth. Brevibacillus sp. P10 can degrade 50 mg PUR foam after 6 days growth in MSM medium supplemented with 5% (V/V) LB after optimization of degradation conditions. This indicates that Brevibacillus sp. P10 has potential to be used in biodegradation of PUR waste.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Phylogeny / Polyurethanes / Bacteria / Biodegradation, Environmental Language: Chinese Journal: Chinese Journal of Biotechnology Year: 2021 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Phylogeny / Polyurethanes / Bacteria / Biodegradation, Environmental Language: Chinese Journal: Chinese Journal of Biotechnology Year: 2021 Type: Article