The Fungi Kingdom as a Bioremediation Tool

A special issue of Journal of Fungi (ISSN 2309-608X). This special issue belongs to the section "Environmental and Ecological Interactions of Fungi".

Deadline for manuscript submissions: closed (1 June 2023) | Viewed by 2634

Special Issue Editors


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Guest Editor
Department of Civil Engineering, York University, 4700 Keele St., Toronto, ON M3J 1P3, Canada
Interests: fermentation, bioproducts, upstream and downstream processing; biomass treatment; value-addition; bioremediation; lignocellulosics; wastewaters residues

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Guest Editor
Department of Civil Engineering, Lassonde School of Engineering, York University, North York, Toronto, ON M3J 1P3, Canada
Interests: fermentation technology; microbiology; molecular biology; environment; biofuel; bioenergy; biocatalysis; residues management; bioprocess; sustainability; biostatistics; data analysis; modeling
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Special Issue Information

Dear Colleagues,

Every day around the world tonnes of thousand of contaminants like antibiotics, health care products, hydrocarbons, and heavy metals among others, are released into the environment, causing pollution that affects the health of human beings, aquatic and soil lives, as well as the ecosystem at large. Chemical and physical methods have been used leaving different by-products of harmful compounds after the remediation. As a potential alternative microbial-based methods using different microorganisms have been implemented to counteract, neutralize and eliminate those compounds. Within this microorganism, the use of fungi represents a potential alternative due to its capacity to grow in harsh environments using some of the pollutants as an energy source. Furthermore, the use of the fungi-bioremediation base is an environmentally friendly, cost-effective and safer method in comparison to the most common chemical and physical methods. This Special Issue aims to introduce, discuss and disseminate the recent advances related to bioremediation processes, technology, and industrial scale-up using fungi as a biocatalyst.

Prof. Dr. Satinder Kaur Brar
Dr. Carlos S. Osorio-González
Guest Editors

Manuscript Submission Information

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Keywords

  • fungi
  • fungal bioremediation
  • mycoremediation
  • biological treatment
  • white-rot fungi
  • brown-rot fungi
  • enzymes
  • emerging contaminants

Published Papers (1 paper)

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Research

20 pages, 9759 KiB  
Article
Biodegradation of Selected Hydrocarbons by Fusarium Species Isolated from Contaminated Soil Samples in Riyadh, Saudi Arabia
by Fatimah Al-Otibi, Rasha M. Al-Zahrani and Najat Marraiki
J. Fungi 2023, 9(2), 216; https://doi.org/10.3390/jof9020216 - 6 Feb 2023
Cited by 6 | Viewed by 2077
Abstract
Background: Microbial biodegradation of oil-hydrocarbons is one of the sustainable and cost-effective methods to remove petroleum spills from contaminated environments. The current study aimed to investigate the biodegradation abilities of three Fusarium isolates from oil reservoirs in Saudi Arabia. The novelty of the [...] Read more.
Background: Microbial biodegradation of oil-hydrocarbons is one of the sustainable and cost-effective methods to remove petroleum spills from contaminated environments. The current study aimed to investigate the biodegradation abilities of three Fusarium isolates from oil reservoirs in Saudi Arabia. The novelty of the current work is that the biodegradation ability of these isolates was never tested against some natural hydrocarbons of variable compositions, such as Crude oil, and those of known components such as kerosene and diesel oils. Methods: The isolates were treated with five selected hydrocarbons. The hydrocarbon tolerance test in solid and liquid media was performed. The scanning electron microscope (SEM) investigated the morphological changes of treated fungi. 2, 6-Dichlorophenol Indophenol (DCPIP), drop collapse, emulsification activity, and oil Spreading assays investigated the biodegradation ability. The amount of produced biosurfactants was measured, and their safety profile was estimated by the germination assay of tomato seeds. Results: The tolerance test showed enhanced fungal growth of all isolates, whereas the highest dose inhibition response (DIR) was 77% for Fusarium proliferatum treated with the used oil (p < 0.05). SEM showed morphological changes in all isolates. DCPIP results showed that used oil had the highest biodegradation by Fusarium verticillioides and Fusarium oxysporum. Mixed oil induced the highest effect in oil spreading, drop collapse, and emulsification assay caused by F. proliferatum. The highest recovery of biosurfactants was obtained by the solvent extraction method for F. verticillioides (4.6 g/L), F. proliferatum (4.22 g/L), and F. oxysporum (3.73 g/L). The biosurfactants produced by the three isolates stimulated tomato seeds’ germination more than in control experiments. Conclusion: The current study suggested the possible oil-biodegradation activities induced by three Fusarium isolates from Riyadh, Saudi Arabia. The produced biosurfactants are not toxic against tomato seed germination, emphasizing their environmental sustainability. Further studies are required to investigate the mechanism of biodegradation activities and the chemical composition of the biosurfactants produced by these species. Full article
(This article belongs to the Special Issue The Fungi Kingdom as a Bioremediation Tool)
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