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Challenges in Microbial-Mediated Bioremediation

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Pollution Prevention, Mitigation and Sustainability".

Deadline for manuscript submissions: closed (17 December 2022) | Viewed by 2589

Special Issue Editors


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Guest Editor
College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
Interests: soil microbial ecology; soil environmental chemistry; soil chemistry
Special Issues, Collections and Topics in MDPI journals

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Co-Guest Editor
Department of Soil, Water, and Climate, University of Minnesota, 439 Borlaug Hall, St. Paul, MN 55108, USA
Interests: soil microbial community structure; DNA-SIP technique; GIS; heavy metals

Special Issue Information

Dear Colleagues,

Rapid urbanization and industrialization have resulted in the generation and disposal of a wide range of toxic pollutants into the environment, diminishing natural land resources. Therefore, it is critical to ensure the safe utilization of marginal and polluted lands, fulfilling the population’s feed and fiber demands by adopting modern techniques, i.e., microbial-mediated bioremediation, to enhance per capita land availability.

Microbial-mediated bioremediation is a collective phenomenon that purportedly uses biological processes to restore or clean up contaminants in the environment. Bioremediation is a cost-effective, and eco-friendly biotechnological strategy providing an alternative to physicochemical options to remove hazardous contaminants from the environment. Because of its distinctive characteristics, the bioremediation approach is considered a novel solution for a polluted environment. Many soil microbes have potential for heavy metal remediation, and their active participation to increase land utilization needs further appraisal.

The current Special Issue will provide researchers and environmental professionals with the opportunity to discuss challenges and achievements regarding bioremediation. Laboratory and field studies on bioremediation with novel research outcomes are warmly welcomed.

Potential topics include (but are not limited to) the following:

  • Mitigation of contaminants using new bioremediation techniques;
  • Adaptation and absorption capacity of microbes against heavy metals;
  • Identification of novel remediation microbes;
  • Identification and quantification of putative functional genes involved in bioremediation using PCR and qPCR;
  • Modern metagenomic methods to identify active microbial communities under a polluted environment, i.e., high-throughput DNA/RNA sequencing, PLFA, and DNA-SIP;
  • Detoxification ability of microbes against heavy metals;
  • Novel processes for enhancing bioremediation and underlying mechanisms;
  • Microbial–plant interaction for bioremediation.

Dr. Qichun Zhang
Dr. Touqeer Abbas
Guest Editors

Manuscript Submission Information

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Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 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

  • heavy metals
  • microbial bioremediation
  • heavy metal tolerant strain
  • biofertilizer
  • heavy metals translocation
  • heavy metal and nitrogen interaction

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Published Papers (1 paper)

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Review

17 pages, 1698 KiB  
Review
Prospect Research on the Diversity of Extracellular Mineralization Process Induced by Mineralizing Microorganisms and Its Use as a Treatment for Soil Pollutants
by Baoyou Guo, Baolei Liu, Jun Chen, Chuan Jing, Ming Zhong and Qi Shan
Sustainability 2023, 15(6), 4858; https://doi.org/10.3390/su15064858 - 9 Mar 2023
Cited by 3 | Viewed by 1995
Abstract
Microbial-induced mineralization is a process in which metal ions in the environment are processed by microorganisms, forming deposits of crystals with cementing and void-filling functions. Cementing crystals can fix metal ions, reduce permeability, improve soil strength, and play a positive role in soil [...] Read more.
Microbial-induced mineralization is a process in which metal ions in the environment are processed by microorganisms, forming deposits of crystals with cementing and void-filling functions. Cementing crystals can fix metal ions, reduce permeability, improve soil strength, and play a positive role in soil remediation and pollution control. This paper first introduces the principle of microbial-induced mineralization and analyzes its mechanism of action in the treatment of soil organic and inorganic pollutants. Then, the mineralization principle of different types of mineralized bacteria in soil (fungal metabolism involving organic acid complexation and metabolic urease catalysis, sulfur oxidation by sulfur-oxidizing bacteria, dissimilatory sulfate reduction by sulfate-reducing bacteria, ammonification by ammoniating bacteria, reverse digestion by denitrifying bacteria, urease catalysis by urease-producing bacteria, acetic acid fermentation by methanogenic bacteria, and H2/CO2 reduction) is elaborated, the influencing factors in the treatment of soil pollutants by mineralization technology in practical application are analyzed, and the current status of mineralization treatment for different types of pollutants is summarized. Finally, the future prospects of soil pollutant treatment are outlined to promote research into microbial-induced mineralization technology for the treatment of soil pollutants. Full article
(This article belongs to the Special Issue Challenges in Microbial-Mediated Bioremediation)
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