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Plastid terminal oxidase acts as an alternative electron sink in a marine cyanobacterium Arthrospira sp.
Zhang, Litao1,2; Liu, Jianguo1,2
2016-06-01
Source PublicationBOTANICA MARINA
Volume59Issue:2-3Pages:201-204
SubtypeArticle
AbstractIn the marine cyanobacterium Arthrospira sp. under high light, the electron transport activity of photosystem (PS) II was much higher than the activities of PSI and the whole chain, indicating the existence of an alternative electron sink in PSII. Under high light, the addition of n-propyl gallate (PG), an inhibitor of plastid terminal oxidase (PTOX), decreased photosynthetic electron transport significantly as compared with that under low light. A significant residual level of photosynthetic electron transport remained in the presence of 2,5-dibromo-3-methyl-6-isopropyl-p-benzoquinone (DBMIB) under high light. The extent of DBMIB insensitive electron transport was close to that of PG sensitive electron transport, suggesting that the PTOX acted as an alternative electron sink, accounting for 27% of total PSII electron transport in Arthrospira sp. cells under high light.
KeywordAlternative Electron Sink ArthroSp.ra Sp. Photosynthesis Plastid Terminal Oxidase
DOI10.1515/bot-2016-0012
Indexed BySCI
Language英语
WOS IDWOS:000377547200011
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/126237
Collection海洋生物技术研发中心
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Expt Marine Biol, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Biol & Biotechnol, Qingdao 266071, Peoples R China
First Author AffilicationInstitute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Zhang, Litao,Liu, Jianguo. Plastid terminal oxidase acts as an alternative electron sink in a marine cyanobacterium Arthrospira sp.[J]. BOTANICA MARINA,2016,59(2-3):201-204.
APA Zhang, Litao,&Liu, Jianguo.(2016).Plastid terminal oxidase acts as an alternative electron sink in a marine cyanobacterium Arthrospira sp..BOTANICA MARINA,59(2-3),201-204.
MLA Zhang, Litao,et al."Plastid terminal oxidase acts as an alternative electron sink in a marine cyanobacterium Arthrospira sp.".BOTANICA MARINA 59.2-3(2016):201-204.
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