铁饥饿会导致鱼腥藻PCC 7120菌株产生氧化应激。
Iron starvation leads to oxidative stress in Anabaena sp. strain PCC 7120.
作者信息
Latifi Amel, Jeanjean Robert, Lemeille Sylvain, Havaux Michel, Zhang Cheng-Cai
机构信息
Laboratoire de Chimie Bactérienne, IBSM-CNRS, 31 chemin Joseph Aiguier, 13402 Marseille cedex 20, France.
出版信息
J Bacteriol. 2005 Sep;187(18):6596-8. doi: 10.1128/JB.187.18.6596-6598.2005.
Abstract
We establish here that iron deficiency causes oxidative stress in the cyanobacterium Anabaena sp. strain PCC 7120. Iron starvation leads to a significant increase in reactive oxygen species, whose effect can be abolished by treatment with the antioxidant tempol (4-hydroxy-2,2,6,6-tetramethylpiperidine 1-oxyl). Oxidative stress induced by iron starvation could be a common feature of photosynthetic bacteria.
摘要
我们在此证实缺铁会在蓝藻鱼腥藻PCC 7120菌株中引发氧化应激。铁饥饿导致活性氧显著增加，而抗氧化剂tempol（4-羟基-2,2,6,6-四甲基哌啶1-氧基）处理可消除其影响。铁饥饿诱导的氧化应激可能是光合细菌的一个共同特征。
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