Effects of an Algicidal Bacterium Pseudomonas mendocina on the Growth and Antioxidant System of Aphanizomenon flos-aquae

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	Effects of an Algicidal Bacterium Pseudomonas mendocina on the Growth and Antioxidant System of Aphanizomenon flos-aquae
	Shi, Shunyu 1; Tang, Dongshan 2; Liu, Yongding 3
刊名	CURRENT MICROBIOLOGY
	2009-08-01
卷号	59 期号:2 页码:107-112
ISSN号	0343-8651
英文摘要	Evident effect of an algicidal bacterium Pseudomonas mendocina on the growth and antioxidant system of Aphanizomenon flos-aquae was detected in this experiment. Seven parameters including the chlorophyll a contents, Fv/Fm values, reactive oxygen species (ROS), malonaldehyde (MDA), catalase (CAT), peroxide dismutase (POD), and superoxide dismutase (SOD) were tested in the cyanobacterium A. flos-aquae cells after inoculation with the algicidal bacterium Pseudomonas mendocina DC10. It was shown from the experiment that the growth of the treated cyanobacterium A. flos-aquae was significantly restrained, which was expressed as great reductions in the chlorophyll a contents and Fv/Fm values. At the same time, the treated cyanobacterial cells exhibited an obvious increase in the production of ROS and MDA compared with the control. CAT and POD activities in the treated group kept at high level, however, they both reduced significantly on day 6. SOD activities in the treated A. flos-aquae showed obvious declines after inoculation, and great augmentations on day 3 and 4, thereafter, they kept in a declining tendency. The results showed the oxidative stresses induced by the bacterium could be a killing agent of the cyanobacterium A. flos-aquae cells.
WOS标题词	Science & Technology ; Life Sciences & Biomedicine
类目[WOS]	Microbiology
研究领域[WOS]	Microbiology
关键词[WOS]	OXIDATIVE STRESS ; MICROCYSTIN-RR ; 1ST REPORT ; OXYGEN ; GLUTATHIONE ; RADIATION ; ASCORBATE ; ALGAE ; CELLS
收录类别	SCI
语种	英语
WOS记录号	WOS:000267485200003
公开日期	2015-12-27
内容类型	期刊论文
源URL	[http://ir.ihb.ac.cn/handle/342005/27369]
专题	水生生物研究所_水环境工程研究中心_期刊论文
作者单位	1.Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam, Guangzhou, Guangdong, Peoples R China 2.Univ S China, Sch Urban Construct, Hengyang, Hunan, Peoples R China 3.Chinese Acad Sci, Inst Hydrobiol, State Key Lab Freshwater Ecol & Biotechnol, Guangzhou, Guangdong, Peoples R China
推荐引用方式 GB/T 7714	Shi, Shunyu,Tang, Dongshan,Liu, Yongding. Effects of an Algicidal Bacterium Pseudomonas mendocina on the Growth and Antioxidant System of Aphanizomenon flos-aquae[J]. CURRENT MICROBIOLOGY,2009,59(2):107-112.
APA	Shi, Shunyu,Tang, Dongshan,&Liu, Yongding.(2009).Effects of an Algicidal Bacterium Pseudomonas mendocina on the Growth and Antioxidant System of Aphanizomenon flos-aquae.CURRENT MICROBIOLOGY,59(2),107-112.
MLA	Shi, Shunyu,et al."Effects of an Algicidal Bacterium Pseudomonas mendocina on the Growth and Antioxidant System of Aphanizomenon flos-aquae".CURRENT MICROBIOLOGY 59.2(2009):107-112.