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Metagenomic Analysis of Microbial Alliances for Efficient Degradation of PHE: Microbial Community Structure and Reconstruction of Metabolic Network

Author

Listed:
  • Pan Xu

    (School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China)

  • Xiaoxiao Chen

    (School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China)

  • Kai Li

    (School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China)

  • Rong Meng

    (The Husbandry Technology Promotion Center of Inner Mongolia, Hohhot 010051, China)

  • Yuewu Pu

    (School of Biology and Biological Engineering, South China University of Technology, Guangzhou 510006, China)

Abstract

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.

Suggested Citation

  • Pan Xu & Xiaoxiao Chen & Kai Li & Rong Meng & Yuewu Pu, 2022. "Metagenomic Analysis of Microbial Alliances for Efficient Degradation of PHE: Microbial Community Structure and Reconstruction of Metabolic Network," IJERPH, MDPI, vol. 19(19), pages 1-15, September.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:19:p:12039-:d:923033
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    References listed on IDEAS

    as
    1. S. Rabodonirina & R. Rasolomampianina & F. Krier & D. Drider & D. Merhaby & Sopheak Net & B. Ouddane, 2019. "Degradation of fluorene and phenanthrene in PAHs-contaminated soil using Pseudomonas and Bacillus strains isolated from oil spill sites," Post-Print hal-01929342, HAL.
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