Cinnamaldehyde Induces PCD-Like Death of Microcystis aeruginosa via Reactive Oxygen Species
文献类型: 外文期刊
第一作者: Hu, Liang Bin
作者: Hu, Liang Bin;Zhou, Wei;Yang, Jing Dong;Chen, Jian;Yin, Yu Fen;Shi, Zhi Qi;Hu, Liang Bin;Hu, Liang Bin;Zhou, Wei;Yang, Jing Dong;Shi, Zhi Qi
作者机构:
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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