ArticlePloS one2021
Degradation of benzo[a]pyrene by halophilic bacterial strain Staphylococcus haemoliticus strain 10SBZ1A.
Article in PloS one, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed, 42 citations in OpenAlex.
- Article
- Unraveling the Role of Microbes in Remediation of High Molecular Weight Polycyclic Aromatic Hydrocarbon Persistence in the Environment.Applied biochemistry and biotechnology · 2025Review
- Influence of pH on the biodegradation efficiency of fats, oils, and grease by biosurfactant-producing bacterial consortia.Biodegradation · 2025Article
- Mangrove consortium resistant to the emerging contaminant DEHP: Composition, diversity, and ecological function of bacteria.PloS one · 2025Article
- Review
- Pseudomonas and Pseudarthrobacter are the key players in synergistic phenanthrene biodegradation at low temperatures.Scientific reports · 2024Article
- Identification of the bacterial community that degrades phenanthrene sorbed to polystyrene nanoplastics using DNA-based stable isotope probing.Scientific reports · 2024Article
- Benzo[A]Pyrene Biodegradation by Multiple and Individual Mesophilic Bacteria under Axenic Conditions and in Soil Samples.International journal of environmental research and public health · 2023Article
- Enhanced biodegradation of phenanthrene and anthracene using a microalgal-bacterial consortium.Frontiers in microbiology · 2023Article
- Benzo[International journal of molecular sciences · 2022Review
- An insight on microbial degradation of benzo[a]pyrene: current status and advances in research.World journal of microbiology & biotechnology · 2022Review
Corrections and comments
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Authors and funding
6 authors at 3 institutions in 3 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The exploitation of petroleum oil generates a considerable amount of "produced water or petroleum waste effluent (PWE)" that is contaminated with polycyclic aromatic hydrocarbons (PAHs), including Benzo[a]pyrene (BaP). PWE is characterised by its high salinity, which can be as high as 30% NaCl, thus the exploitation of biodegradation to remove PAHs necessitates the use of active halophilic microbes. The strain 10SBZ1A was isolated from oil contaminated soils, by enrichment experiment in medium containing 10% NaCl (w/v). Homology analyses of 16S rRNA sequences identified 10SBZ1A as a Staphylococcus haemoliticus species, based on 99.99% homology (NCBI, accession number GI: MN388897). The strain could grow in the presence of 4-200 μmol l-1 of BaP as the sole source of carbon, with a doubling time of 17-42 h. This strain optimum conditions for growth were 37 oC, 10% NaCl (w/v) and pH 7, and under these conditions, it degraded BaP at a rate of 0.8 μmol l-1 per day. The strain 10SBZ1A actively degraded PAHs of lower molecular weights than that of BaP, including pyrene, phenanthrene, anthracene. This strain was also capable of removing 80% of BaP in the context of soil spiked with BaP (10 μmol l-1 in 100 g of soil) within 30 days. Finally, a metabolic pathway of BaP was proposed, based on the identified metabolites using liquid chromatography-high resolution tandem mass spectrometry. To the best of our knowledge, this is the first report of a halophilic BaP degrading bacterial strain at salinity > 5% NaCl.
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