ArticleEnvironmental science and pollution research international2020
Degradation and detoxification of phenanthrene by actinobacterium Zhihengliuella sp. ISTPL4.
Article in Environmental science and pollution research international, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Identification of Potentially Toxic Transformation Products Produced in Polycyclic Aromatic Hydrocarbon Bioremediation Using Suspect and Non-Target Screening Approaches.Environmental science & technology · 2025Article
- Microbial Consortium HJ-SH with Very High Degradation Efficiency of Phenanthrene.Microorganisms · 2023Article
- Insights from comparative proteomic analysis into degradation of phenanthrene and salt tolerance by the halophilic Martelella strain AD-3.Ecotoxicology (London, England) · 2021Article
- Assessment of the Degradation Potential and Genomic Insights towards Phenanthrene byMicroorganisms · 2021Article
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5 authors.
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Abstract
Polycyclic aromatic hydrocarbons (PAHs) are universal environmental contaminants of great concern with regard to their potential exposure and deleterious effect on human health. The current study is the first report of phenanthrene degradation by a psychrotolerant (15 °C), halophilic (5% NaCl), and alkalophilic (pH 8) bacterial strain Zhihengliuella sp. ISTPL4, isolated from the sediment sample of the Pangong Lake, Ladakh, Jammu and Kashmir, India. Degradation studies revealed that the optimum specific growth rate was observed at 250 ppm of phenanthrene with 81% and 87% removal of phenanthrene in 72 h and 168 h, respectively. During the degradation of phenanthrene; 9,10-dihydrophenanthrene; 1-phenanthrenecarboxylic acid; and phthalic acid were detected as intermediates. Whole-genome sequencing of strain ISTPL4 has predicted phenanthrene; 9,10-monooxygense; and epoxide hydrolase B that are involved in the phenanthrene metabolism. Phenanthrene cytotoxicity was evaluated with human hepatic carcinoma cell line (HepG2) and it was observed that the cytotoxicity decreased with increased duration of bacterial incubation and maximum cell viability was observed at 168 h (89.92%). Our results suggest, Zhihengliuella sp. ISTPL4 may promise a great potential for environmental remediation applications.
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