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.
| Translated title of the contribution | Isolation and characterization of a polyurethane-degrading bacterium |
|---|---|
| Original language | Chinese (Traditional) |
| Pages (from-to) | 3675-3684 |
| Number of pages | 10 |
| Journal | Shengwu Gongcheng Xuebao/Chinese Journal of Biotechnology |
| Volume | 37 |
| Issue number | 10 |
| DOIs | |
| State | Published - 25 Oct 2021 |