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The changes of nitric oxide production during the growth of Microcystis aerugrinosa

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The changes of nitric oxide production during the growth of Microcystis aerugrinosa.htm (390bytes)
Date
2011-07-31
Author
Tang, Xiang
Chen, Juan
Wang, Wen-Hua
Liu, Ting-Wu
Zhang, Jun
Gao, Ya-Hui
高亚辉
Pei, Zhen-Ming
Zheng, Hai-Lei
郑海雷
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  • 生命科学-已发表论文 [5901]
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Abstract
This study characterized the changes of nitric oxide (NO) production during the growth of Microcystis aerugrinosa, a cyanobacterium which usually cause cyanobacterial blooms. Results showed a drastic NO release accompanying with cell density and Chl-a content sharp rises when M. aerugrinosa grew from fifth day to sixth day. Moreover, high N:P ratio accelerated the cyanobacterial growth and NO burst. Sodium nitroprusside, an exogenous NO donor, promoted M. aerugrinosa growth with the optimal concentration of 0.1 mg/L Experiments by supplementing with sodium nitrite and L-arginine demonstrated NO production in M. aerugrinosa cells was mainly through nitrate reductase (NR) pathway while minorly through NO synthase pathway. All these data suggested M. aerugrinosa produced increasing NO during its growth mainly by NR pathway, during which NO positively regulated the growth of M. aerugrinosa. (C) 2011 Elsevier Ltd. All rights reserved
Citation
Environ Pollut. 2011 Dec;159(12):3784-92
URI
http://dx.doi.org/doi:10.1016/j.envpol.2011.06.042
WOS:000296397300068
https://dspace.xmu.edu.cn/handle/2288/11666

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