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Microorganisms
Special Issues
Research on Microbial Biodegradation of Crude Oil in Marine Environment
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Research on Microbial Biodegradation of Crude Oil in Marine Environment

A special issue of Microorganisms (ISSN 2076-2607). This special issue belongs to the section "Environmental Microbiology".

Deadline for manuscript submissions: closed (15 December 2023) | Viewed by 2816

Special Issue Editors

Prof. Dr. Bo-Zhong Mu

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Guest Editor
Institute of Applied Chemistry, East China University of Science and Technology, Shanghai 200237, China
Interests: petroleum microbiology; microbially enhanced oil recovery
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Ruiyong Zhang

E-Mail Website
Guest Editor
Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
Interests: microbiologically influenced corrosion; marine corrosion; biofilms; bioleaching; materials
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Wolfgang Sand

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Guest Editor
Institute of Biosciences, Freiberg University of Mining and Technology, 09599 Freiberg, Germany
Interests: biofilms; biofouling ecology and chemistry; biocorrosion/bioleaching
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The marine environment is highly susceptible to pollution by petroleum. It is estimated that about 1.0x1010 kg of oil enters the marine environment each year worldwide. It is essential to understand how microorganisms degrade hydrocarbons in marine ecosystems, as the biodegradation of oil pollution has great potential for the remediation of marine environments. The microbial degradation of marine petroleum pollutants is a complex process, which is constrained by many factors such as petroleum composition (diversity of petroleum hydrocarbons) and physical and chemical properties, environmental conditions, and microbial community composition. The ecology, physiology, biochemistry, and genetics of oil-degrading microorganisms have been increasingly explored in recent decades. Understanding factors affecting biodegradation is of great research interest.

This Special Issue will collect recent works that address a wide range of research topics on the microbial degradation of crude oil in marine environments: (1) microbial diversity and functionality of crude-oil-degrading microorganisms in marine environments; (2) metabolic pathways involved in the biodegradation (aerobic/anaerobic) of petroleum hydrocarbons in marine environments; and (3) recent advances of bioremediation approaches for crude oil contamination in marine environments.

Prof. Dr. Bo-Zhong Mu
Prof. Dr. Ruiyong Zhang
Prof. Dr. Wolfgang Sand
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Microorganisms is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2700 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • marine oil pollution
  • biodegradation
  • petroleum hydrocarbon
  • bioremediation

Published Papers (1 paper)

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Research

17 pages, 2620 KiB  
Article
Bioremediation of Petroleum-Contaminated Soils with Biosurfactant-Producing Degraders Isolated from the Native Desert Soils
by Zheng Li, Ravid Rosenzweig, Fengxian Chen, Ji Qin, Tianyi Li, Jincheng Han, Paula Istvan, Damiana Diaz-Reck, Faina Gelman, Gilboa Arye and Zeev Ronen
Microorganisms 2022, 10(11), 2267; https://0-doi-org.brum.beds.ac.uk/10.3390/microorganisms10112267 - 15 Nov 2022
Cited by 1 | Viewed by 2353
Abstract
A crude oil spill in 2014 resulted in extensive soil contamination of the hyper arid Evrona Nature Reserve in Israel’s Negev Desert. The contaminated soils became highly hydrophobic, threatening the existence of plants in the habitat. We hypothesized that bioaugmenting the soil with [...] Read more.
A crude oil spill in 2014 resulted in extensive soil contamination of the hyper arid Evrona Nature Reserve in Israel’s Negev Desert. The contaminated soils became highly hydrophobic, threatening the existence of plants in the habitat. We hypothesized that bioaugmenting the soil with indigenous biosurfactant-producing, hydrocarbon-degrading bacteria (HDB) would accelerate the reduction in the soil’s hydrophobicity. We aimed to isolate and characterize biosurfactant-producing HDBs from the desert-contaminated soil and test if they can be used for augmenting the soil. Twelve hydrocarbon-degrading strains were isolated, identified as Pseudomonas, and classified as biosurfactants “producing” and “nonproducing”. Inoculating 109 CFU/g of “producing” strains into the polluted soil resulted in a 99.2% reduction in soil hydrophobicity within seven days. At the same time, nonproducing strains reduced hydrophobicity by only 17%, while no change was observed in the untreated control. The microbial community in the inoculated soil was dominated by the introduced strains over 28 days, pointing to their persistence. Rhamnolipid biosynthesis gene rhlAB remained persistent in soil inoculated with biosurfactants, indicating in situ production. We propose that the success of the treatment is due to the use of inoculum enriched from the polluted soil. Full article
(This article belongs to the Special Issue Research on Microbial Biodegradation of Crude Oil in Marine Environment)
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