ArticleTheScientificWorldJournal2026
Biotechnological Prospects of Indigenous Oil-Degrading Bacteria for Engine Oil Remediation and Environmental Restoration in Mekelle, Ethiopia.
Article in TheScientificWorldJournal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Integrative Bioinformatics Approaches in Environmental Biotechnology: A Review.TheScientificWorldJournal · 2026Review
- Biotechnological Prospects of Indigenous Oil-Degrading Bacteria for Engine Oil Remediation and Environmental Restoration in Mekelle, Ethiopia.TheScientificWorldJournal · 2026Article
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Authors and funding
3 authors.
Funding
Abstract
This study addressed environmental pollution from engine oil discharge in Mekelle's workshops by isolating and characterizing oil-degrading bacteria for bioremediation applications. Soil and water samples collected from 10 garage centers were analyzed for physicochemical properties, yielding six isolates: Pseudomonas aeruginosa, Bacillus cereus, Staphylococcus aureus, Acinetobacter baumannii, Bacillus pumilus, and Bacillus megaterium. Oil degradation assays on Bushnell-Haas agar with engine oil at 37°C for 14 days revealed that B. pumilus (98.9% ± 91.6%) and A. baumannii (98.7% ± 80%) were most effective in soil, while B. megaterium (96.9% ± 92.8%), B. cereus (96.7% ± 88.2%), and P. aeruginosa (96.5% ± 84.6%) excelled in water, with B. megaterium also showing high degradation in media (98.9% ± 88.8%). Biosurfactant production was strongest in P. aeruginosa, A. baumannii, and B. cereus; heavy metal tolerance was broad in S. aureus and A. baumannii; and salt tolerance was notable in P. aeruginosa, B. megaterium, B. cereus, and B. pumilus. Antibiotic susceptibility testing indicated that P. aeruginosa, A. baumannii, and B. megaterium could be safely applied in bioremediation, while resistance in B. cereus, S. aureus, and B. pumilus requires careful management. In conclusion, these isolates demonstrate strong potential as ecofriendly agents for oil spill remediation in Mekelle and similar environments.
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