控制有害微囊藻藻华的生物和化学方法

IF 3.3 4区 生物学 Q2 MICROBIOLOGY
Wonjae Kim, Yerim Park, Jaejoon Jung, Che Ok Jeon, Masanori Toyofuku, Jiyoung Lee, Woojun Park
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引用次数: 0

摘要

由于气候变化和富营养化,以铜绿微囊藻为主的有害蓝藻水华的扩散已成为淡水生态系统中一个日益严重的问题。淡水中的微囊藻水华会产生具有难闻气味的化合物,降低溶解氧的水平,并向水生生态系统排泄微囊藻毒素,可能会对包括人类在内的各种生物造成危害。因此,人们开发了各种化学和生物方法来减轻水华的影响,但二次污染和高昂的经济成本等问题尚未得到充分解决。红粘土和 H2O2 是世界范围内用于缓解水华的传统处理方法,最近还提出了一些新方法,如使用植物或微生物代谢物和拮抗细菌。其中许多方法的作用机制依赖于活性氧的产生、光合作用的抑制和/或细胞膜的破坏,这也可能对其他淡水微生物群产生负面影响。然而,抗双歧杆菌化学物质和拮抗细菌的基本分子机制仍不清楚。因此,本综述讨论了管理淡水水体中铜绿微囊藻的传统方法和创新方法。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Biological and Chemical Approaches for Controlling Harmful Microcystis Blooms

Biological and Chemical Approaches for Controlling Harmful Microcystis Blooms

The proliferation of harmful cyanobacterial blooms dominated by Microcystis aeruginosa has become an increasingly serious problem in freshwater ecosystems due to climate change and eutrophication. Microcystis-blooms in freshwater generate compounds with unpleasant odors, reduce the levels of dissolved O2, and excrete microcystins into aquatic ecosystems, potentially harming various organisms, including humans. Various chemical and biological approaches have thus been developed to mitigate the impact of the blooms, though issues such as secondary pollution and high economic costs have not been adequately addressed. Red clays and H2O2 are conventional treatment methods that have been employed worldwide for the mitigation of the blooms, while novel approaches, such as the use of plant or microbial metabolites and antagonistic bacteria, have also recently been proposed. Many of these methods rely on the generation of reactive oxygen species, the inhibition of photosynthesis, and/or the disruption of cellular membranes as their mechanisms of action, which may also negatively impact other freshwater microbiota. Nevertheless, the underlying molecular mechanisms of anticyanobacterial chemicals and antagonistic bacteria remain unclear. This review thus discusses both conventional and innovative approaches for the management of M. aeruginosa in freshwater bodies.

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来源期刊
Journal of Microbiology
Journal of Microbiology 生物-微生物学
CiteScore
5.70
自引率
3.30%
发文量
0
审稿时长
3 months
期刊介绍: Publishes papers that deal with research on microorganisms, including archaea, bacteria, yeasts, fungi, microalgae, protozoa, and simple eukaryotic microorganisms. Topics considered for publication include Microbial Systematics, Evolutionary Microbiology, Microbial Ecology, Environmental Microbiology, Microbial Genetics, Genomics, Molecular Biology, Microbial Physiology, Biochemistry, Microbial Pathogenesis, Host-Microbe Interaction, Systems Microbiology, Synthetic Microbiology, Bioinformatics and Virology. Manuscripts dealing with simple identification of microorganism(s), cloning of a known gene and its expression in a microbial host, and clinical statistics will not be considered for publication by JM.
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