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学科主题: Engineering ; Aerospace
题名: Reactive oxygen species and antioxidant enzymes activity of Anabaena sp PCC 7120 (Cyanobacterium) under simulated microgravity
作者: Li, GB; Liu, YD; Wang, GH; Song, LR
通讯作者: Liu, YD, Chinese Acad Sci, Inst Hydrobiol, 7 Donghunanlu, Wuhan 430072, Peoples R China
关键词: SUPEROXIDE-DISMUTASE ; PEA-CHLOROPLASTS ; TOLERANCE ; STRESS
刊名: ACTA ASTRONAUTICA
发表日期: 2004-12-01
DOI: 10.1016/j.actaastro.2004.04.014
卷: 55, 期:11, 页:953-957
收录类别: SCI
文章类型: Article
部门归属: Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
WOS标题词: Science & Technology ; Technology
类目[WOS]: Engineering, Aerospace
研究领域[WOS]: Engineering
摘要: It was found that reactive oxygen species in Anabaena cells increased under simulated microgravity provided by clinostat. Activities of intracellular antioxidant enzymes, such as superoxide dismutase, catalase were higher than those in the controlled samples during the 7 days' experiment. However, the contents of gluathione, an intracellular antioxidant, decreased in comparison with the controlled samples. The results suggested that microgravity provided by clinostat might break the oxidative/antioxidative balance. It indicated a protective mechanism in algal cells, that the total antioxidant system activity increased, which might play an important role for algal cells to adapt the environmental stress of microgravity. (C) 2004 Elsevier Ltd. All rights reserved.
英文摘要: It was found that reactive oxygen species in Anabaena cells increased under simulated microgravity provided by clinostat. Activities of intracellular antioxidant enzymes, such as superoxide dismutase, catalase were higher than those in the controlled samples during the 7 days' experiment. However, the contents of gluathione, an intracellular antioxidant, decreased in comparison with the controlled samples. The results suggested that microgravity provided by clinostat might break the oxidative/antioxidative balance. It indicated a protective mechanism in algal cells, that the total antioxidant system activity increased, which might play an important role for algal cells to adapt the environmental stress of microgravity. (C) 2004 Elsevier Ltd. All rights reserved.
关键词[WOS]: SUPEROXIDE-DISMUTASE ; PEA-CHLOROPLASTS ; TOLERANCE ; STRESS
语种: 英语
WOS记录号: WOS:000224163700008
ISSN号: 0094-5765
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/152342/9414
Appears in Collections:中科院水生所知识产出(2009年前)_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China

Recommended Citation:
Gen-bao Li; Yong-ding Liu; Gao-hong Wang; Li-rong Song.Reactive oxygen species and antioxidant enzymes activity of Anabaena sp PCC 7120 (Cyanobacterium) under simulated microgravity,ACTA ASTRONAUTICA,2004,55(11):953-957
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