期刊
TOXINS
卷 14, 期 8, 页码 -出版社
MDPI
DOI: 10.3390/toxins14080573
关键词
microcystins (MCs); microbial immobilization; biodegradation
资金
- Huxiang Youth Talent Program [2021RC3107]
- Key Research and Development Projects in Hunan Province [2022SK2089]
- Hunan Province Excellent Youth Fund [2020JJ3053]
- National Natural Science Foundation of China [81773393, 31900108]
- Scientific Research Start-up Fund of University of South China [201RGC008]
- Natural Science Foundation of Hunan Province of China [2022JJ40372]
This review article discusses various carriers and methods for microbial immobilization and the application of bacterial immobilization technology for the treatment of MCs-contaminated water. Biodegradation is an eco-friendly and cost-effective method for removing MCs, and immobilization of bacteria using carriers has advantages over free bacterial cells. The article highlights the potential of microbial immobilization technology in the bioremediation of MC-polluted environments.
Harmful cyanobacterial blooms (HCBs) frequently occur in eutrophic freshwater ecosystems worldwide. Microcystins (MCs) are considered to be the most prominent and toxic metabolites during HCBs. MCs may be harmful to human and animal health through drinking water and recreational water. Biodegradation is eco-friendly, cost-effective and one of the most effective methods to remove MCs. Many novel MC-degrading bacteria and their potential for MCs degradation have been documented. However, it is a challenge to apply the free MC-degrading bacterial cells in natural environments due to the long-term operational instability and difficult recycling. Immobilization is the process of restricting the mobility of bacteria using carriers, which has several advantages as biocatalysts compared to free bacterial cells. Biological water treatment systems with microbial immobilization technology can potentially be utilized to treat MC-polluted wastewater. In this review article, various types of supporting materials and methods for microbial immobilization and the application of bacterial immobilization technology for the treatment of MCs-contaminated water are discussed. This article may further broaden the application of microbial immobilization technology to the bioremediation of MC-polluted environments.
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