Journal
PLOS ONE
Volume 16, Issue 8, Pages -Publisher
PUBLIC LIBRARY SCIENCE
DOI: 10.1371/journal.pone.0256376
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Funding
- Deanship of Scientific Research [RG-1441-269]
- King Saud University, Kingdom of Saudi Arabia
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The use of potent fungal mixed cultures is a promising technique for biodegradation of crude oil, with a fungal consortium consisting of four isolates showing superior performance in degrading normal alkanes compared to polycyclic aromatic hydrocarbons (PAHs). This consortium exhibited high efficiency in degrading crude oil under various environmental factors, making it a powerful tool for biodegradation.
The use of potent fungal mixed cultures is a promising technique for the biodegradation of crude oil. Four isolates of fungi, namely, Alternaria alternata (AA-1), Aspergillus flavus (AF-3), Aspergillus terreus (AT-7), and Trichoderma harzianum (TH-5), were isolated from date palm soil in Saudi Arabia. The mixed fungal of the four isolates have a powerful tool for biodegradation up to 73.6% of crude oil (1%, w/v) in 14 days. The fungal consortium no. 15 containing the four isolates (1:1:1:1) performed significantly better as a biodegradation agent than other consortium in a variety of environmental factors containing crude oil concentration, incubation temperature, initial pH, biodegradation time and the salinity of the medium. The fungal consortium showed better performance in the biodegradation of normal alkanes (n-alkanes) than that of the polycyclic aromatic hydrocarbons (PAHs); the biodegradation efficiency of normal alkanes of the fungal consortium (67.1%) was clearly high than that of the PAHs (56.8%).
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