高压脉冲放电空化等离子体对水中耐辐射细菌等微生物的灭菌能力。

IF 0.9 4区 农林科学 Q4 BIOTECHNOLOGY & APPLIED MICROBIOLOGY
Hiroaki Terato, Yuka Tokuyama, Hiroki Nishiyama, Takashi Matsunaga, Yuki Yoshida, Satoshi Ihara
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引用次数: 0

摘要

针对微生物污染的工业废水,已经开发并应用了多种净化方法。我们以前报道过高压脉冲放电等离子体与空化有效杀死大肠杆菌细胞。我们试图利用枯草芽孢杆菌、耐辐射球菌和裂糖菌等微生物来扩大这种消毒方法的应用。用放电等离子体处理这些微生物细胞,分析细胞活力、DNA损伤和形态变化,以评价其杀菌效果。有趣的是,耐辐射细菌D. radiodurans对放电等离子体表现出相对较高的敏感性。另一方面,枯草芽孢杆菌和S. pombe均表现出抗性,均表现出产孢能力。处理后细胞DNA损伤程度与细胞活力呈正相关,但大多数处理后细胞未出现形态变化。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Sterilizing Ability of High-Voltage Pulsed Discharge Plasma with Cavitation for Microorganisms Including Radio-Resistant Bacterium in Water.

There are various purification methods have been developed and applied to industrial wastewater with contaminated microorganisms. We previously reported that high-voltage pulsed discharge plasma with cavitation effectively kills Escherichia coli cells. We attempted to expand the application of this disinfection method by using microorganisms such as Bacillus subtilis, Deinococcus radiodurans, and Schizosaccharomyces pombe. These microbial cells were treated with the discharge plasma, and the cell viability, DNA damage, and morphological changes were analyzed to evaluate the bactericidal effect. Interestingly, D. radiodurans, a radio-resistant bacterium showed relatively high sensitivity to the discharge plasma. On the other hand, B. subtilis and S. pombe showed the resistance, showing both sporogenesis. The amount of DNA damage in the treated cells corresponded to the cell viability, but most of the treated cells did not show any morphological changes.

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来源期刊
Biocontrol science
Biocontrol science BIOTECHNOLOGY & APPLIED MICROBIOLOGY-
CiteScore
2.60
自引率
8.30%
发文量
21
审稿时长
>12 weeks
期刊介绍: The Biocontrol Science provides a medium for the publication of original articles, concise notes, and review articles on all aspects of science and technology of biocontrol.
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