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Effect of copper sulfate on Bdellovibrio growth and bacteriolytic activity towards gibel carp-pathogenic Aeromonas hydrophila

文献类型： 外文期刊

作者： Cao, Haipeng 1 ; Yang, Yibin 2 ; Lu, Liqun 1 ; Yang, Xianle 1 ; Ai, Xiaohui 2 ;

作者机构： 1.Shanghai Ocean Univ, Shanghai Engn Res Ctr Aquaculture, Shanghai Collaborat Innovat Aquat Anim Genet & Br, Natl Pathogen Collect Ctr Aquat Anim, Shanghai 201306, Peoples R China

2.Chinese Acad Fishery Sci, Yangtze River Fisheries Res Inst, Wuhan 430223, Hubei, Peoples R China

关键词： copper sulfate; Bdellovibrio; growth; bacteriolysis; Aeromonas hydrophila

期刊名称：CANADIAN JOURNAL OF MICROBIOLOGY （ 影响因子：2.419； 五年影响因子：2.35 ）

ISSN： 0008-4166

年卷期： 2018 年 64 卷 12 期

页码：

收录情况： SCI

摘要： The use of bdellovibrios has been regarded as an alternative to control multidrug-resistant pathogens and fish bacteriosis. However, scarce information is available on the potential of bdellovibrios in the presence of copper sulfate, which is an algicide widely used to treat cyanobacterial blooms in aquaculture. In the present study, the effects of copper sulfate at sublethal and lethal levels (0.1 and 1.0 mg.L-1) on Bdellovibrio sp. strain BDF-H16 were evaluated. The growth of Bdellovibrio sp. strain BDF-H16 was significantly promoted by both concentrations of copper sulfate, but less so by the lethal concentration. The bacteriolysis of gibel carp-pathogenic Aeromonas hydrophila by Bdellovibrio sp. strain BDF-H16 was also stimulated by copper sulfate in both solid and liquid media. However, Bdellovibrio sp. strain BDF-H16 with 0.1 mg.L-1 copper sulfate clearly inhibited infection of gibel carps by A. hydrophila better than Bdellovibrio sp. strain BDF-H16 with 1.0 mg.L-1 copper sulfate did.

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