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Updated: Jul 12, 2026
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Isolation, Propagation, and Identification of Bacterial Species with Hydrocarbon Metabolizing Properties from Aquatic Habitats
Published on: December 7, 2021
[Screening for phenanthrene-degrading bacteria and its characteristics]
1Key laboratory of Agro-Microbial Resource and Application, College of Biological Science, China Agricultural University, Beijing 100094, China.
Huan Jing Ke Xue= Huanjing Kexue
|April 30, 2005
Summary
A novel bacterial strain, Phx1 (Agrobacterium sp.), efficiently degrades phenanthrene, a polycyclic aromatic hydrocarbon. This discovery offers potential for bioremediation of hydrocarbon-contaminated environments.
Area of Science:
- Microbiology
- Environmental Science
- Biotechnology
Context:
- Polycyclic Aromatic Hydrocarbons (PAHs) like phenanthrene are persistent environmental pollutants.
- Bioremediation using microorganisms is a sustainable approach for PAH removal.
- The Daqing oil-field is a potential source of microbial degraders.
Purpose:
- To isolate and characterize a bacterial strain capable of degrading phenanthrene.
- To identify the genetic basis for phenanthrene degradation.
- To investigate the optimal conditions for phenanthrene degradation.
Summary:
- A bacterial strain, Phx1, isolated from Daqing oil-field, completely degraded 100 µg/mL phenanthrene in 24 hours using LB media.
- Phenanthrene degradation genes were located on a large plasmid within the Phx1 strain.
- Phx1 was identified as Agrobacterium sp., potentially a new species, with high 16S rDNA similarity to known Agrobacterium species.
Impact:
- Identifies a potent microbial agent for phenanthrene bioremediation.
- Elucidates the role of plasmids in microbial PAH degradation.
- Contributes to the understanding of Agrobacterium diversity and metabolic capabilities.
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