Journal
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
Volume 19, Issue 19, Pages -Publisher
MDPI
DOI: 10.3390/ijerph191912039
Keywords
phenanthrene degradation; metagenomics analysis; microbial community structure; reconstructing metabolic network
Funding
- National Key R&D Program of China [2020YFC1808802]
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In this study, a highly efficient phenanthrene-degrading microbial community was enriched from oil extraction soil. The study revealed the functional genes, metabolic pathways, and microbial interactions of the microbial community.
Polycyclic aromatic hydrocarbons are a widespread organic pollutant worldwide. In this study, a highly efficient phenanthrene (PHE)-degrading microbial community was enriched from oil extraction soil, which could degrade 500 mg/L PHE within 4 days. Using 16S rRNA sequencing, the dominant bacteria in this community at the phylum level were found to be Proteobacteria, Actinobacteria, and Firmicutes. Metagenomic annotation of genes revealed the metabolic pathways and the contribution of different bacteria to the degradation process. Pseudomonadaceae contributed multiple functional genes in the degradation process. This study revealed the functional genes, metabolic pathways, and microbial interactions of the microbial community, which are expected to provide guidance for practical management.
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