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Responses of Synechocystis sp PCC 6803 (cyanobacterium) photosystem II to pyrene stress
Shao, Jihai; Yu, Gongliang; Wu, Zhongxing; Peng, Xin; Li, Renhui; Li, RH, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
2010
Source PublicationJOURNAL OF ENVIRONMENTAL SCIENCES-CHINA
ISSN1001-0742
Volume22Issue:7Pages:1091-1095
AbstractIn order to explore the mechanism of acute toxicity for pyrene to cyanobacterial organisms, the responses of Synechocystis sp. PCC 6803 photosystem II (PS II) under pyrene stress were studied. The results showed there was no significant difference about the oxygen evolution under 0.125 mg/L pyrene stress when compared with control, but it was significantly lower than control at 0.625 mg/L pyrene. Polyphasic chlorophyll-a fluorescence transients in cells of Synechocystis sp. PCC 6803 exhibited a typical increase including O, J, I, and P phases. Fluorescence yield at phases J, I and P declined slightly at 0.125 and 0.625 mg/L pyrene, and significantly lower than control at 3.125 mg/L. According to the parameters deviated from JIP-test, no modification was induced by pyrene both at the donor side and at the acceptor side of PS II, and the reaction centre of PS II is the primary damaging target. Based on the expressing of four key genes (psbA, psbB, psbC and psbO) of PS II, only psbA showed significant difference at 3.125 mg/L pyrene when compared with control.
KeywordPyrene Synechocystis Toxicity Photosystem Ii
Department[Shao, Jihai; Yu, Gongliang; Wu, Zhongxing; Peng, Xin; Li, Renhui] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China; [Shao, Jihai] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China; [Shao, Jihai] Hunan Agr Univ, Coll Resources & Environm, Changsha 410128, Hunan, Peoples R China
Subject AreaEnvironmental Sciences
Funding OrganizationNational Key Science and Technology Program of China [2008ZX07105-006]; National Natural Science Foundation of China [30821140542]; Chinese Academy of Sciences [0823031501] ; National Key Science and Technology Program of China [2008ZX07105-006]; National Natural Science Foundation of China [30821140542]; Chinese Academy of Sciences [0823031501] ; National Key Science and Technology Program of China [2008ZX07105-006]; National Natural Science Foundation of China [30821140542]; Chinese Academy of Sciences [0823031501] ; National Key Science and Technology Program of China [2008ZX07105-006]; National Natural Science Foundation of China [30821140542]; Chinese Academy of Sciences [0823031501]
Indexed BySCI
Language英语
WOS IDWOS:000280163800019
Funding OrganizationNational Key Science and Technology Program of China [2008ZX07105-006]; National Natural Science Foundation of China [30821140542]; Chinese Academy of Sciences [0823031501] ; National Key Science and Technology Program of China [2008ZX07105-006]; National Natural Science Foundation of China [30821140542]; Chinese Academy of Sciences [0823031501] ; National Key Science and Technology Program of China [2008ZX07105-006]; National Natural Science Foundation of China [30821140542]; Chinese Academy of Sciences [0823031501] ; National Key Science and Technology Program of China [2008ZX07105-006]; National Natural Science Foundation of China [30821140542]; Chinese Academy of Sciences [0823031501]
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Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/13783
Collection藻类生物学及应用研究中心_期刊论文
Corresponding AuthorLi, RH, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Shao, Jihai,Yu, Gongliang,Wu, Zhongxing,et al. Responses of Synechocystis sp PCC 6803 (cyanobacterium) photosystem II to pyrene stress[J]. JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,2010,22(7):1091-1095.
APA Shao, Jihai,Yu, Gongliang,Wu, Zhongxing,Peng, Xin,Li, Renhui,&Li, RH, Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China.(2010).Responses of Synechocystis sp PCC 6803 (cyanobacterium) photosystem II to pyrene stress.JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA,22(7),1091-1095.
MLA Shao, Jihai,et al."Responses of Synechocystis sp PCC 6803 (cyanobacterium) photosystem II to pyrene stress".JOURNAL OF ENVIRONMENTAL SCIENCES-CHINA 22.7(2010):1091-1095.
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