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Cinnamaldehyde Induces PCD-Like Death of Microcystis aeruginosa via Reactive Oxygen Species

文献类型： 外文期刊

作者： Hu, Liang Bin 1 ; Zhou, Wei 1 ; Yang, Jing Dong 1 ; Chen, Jian 1 ; Yin, Yu Fen 1 ; Shi, Zhi Qi 1 ;

作者机构： 1.Jiangsu Acad Agr Sci, Inst Food Safety, Nanjing 210014, Peoples R China

2.Henan Inst Sci & Technol, Sch Food Sci, Xinxiang 453003, Peoples R China

3.Minist Agr, Key Lab Food Safety Monitoring & Management, Nanjing 210014, Peoples R China

关键词： Cinnamaldehyde;M. aeruginosa;ROS;PCD

期刊名称：WATER AIR AND SOIL POLLUTION （ 影响因子：2.52； 五年影响因子：2.574 ）

ISSN： 0049-6979

年卷期： 2011 年 217 卷 1-4 期

页码：

收录情况： SCI

摘要： In recent years, Microcystis bloom occurs frequently and causes a wide range of social, environmental, and economic problems. In this study, dose-dependent inhibitory effect of cinnamaldehyde on the growth of Microcystis aeruginosa was investigated. It was found that cinnamaldehyde with the concentration more than 0.6 mM showed algicide activity against M. aeruginosa. When M. aeruginosa was exposed to 0.6 mM cinnamaldehyde, considerable reactive oxygen species (ROS) were generated followed by lipid peroxidation and decrease in the content of both chlorophyll a and soluble protein. Although superoxide dismutase had made response to the stress caused by cinnamaldehyde, activity increasing after a time of lag could not prevent the lysis of M. aeruginosa cells. Interestingly, the addition of antioxidants glutathione and l-ascorbic acid (Vc) could prevent the lysis of M. aeruginosa cells. All the results suggested that cinnamaldehyde induced the death of M. aeruginosa cells via inducing ROS burst. Further understanding of the mechanism of cinnamaldehyde-induced M. aeruginosa cell death would contribute to the control of cyanobacteria pollution.

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