Institutional Repository of Key Laboratory of Experimental Marine Biology, Institute of Oceanology, Chinese Academy of Sciences
Excitation energy distribution between two photosystems in Porphyra yezoensis and its significance in photosynthesis evolution | |
Pan, J; Shi, DJ; Chen, JX; Peng, GH; Zeng, CK; Tseng, CK; Zhang, QY | |
2001 | |
发表期刊 | CHINESE SCIENCE BULLETIN |
ISSN | 1001-6538 |
卷号 | 46期号:1页码:49-52 |
文章类型 | Article |
摘要 | Comparative investigation on energy distribution between two photosystems were carried out in the sporophytes and gametophytes of Porphyra yezoensis. By performing 77 K fluorescence spectra, we suggested that there probably existed a pathway for energy transfer from PS II to PS I to redistribute the absorbed energy in gametophytes, while no such a way or at minor level in sporophytes. Electron transfer inhibitor DCMU blocked the energy transfer from PS II to PS I in gametophytes, but no obvious effects on sporophytes. These indicated that excitation energy distribution between two photosystems in gametophytes was more cooperative than that in sporophytes. These data in ontogenesis reflected the evolution process of photosynthetic organisms and supported the hypothesis of independent evolution of each photosystem.; Comparative investigation on energy distribution between two photosystems were carried out in the sporophytes and gametophytes of Porphyra yezoensis. By performing 77 K fluorescence spectra, we suggested that there probably existed a pathway for energy transfer from PS II to PS I to redistribute the absorbed energy in gametophytes, while no such a way or at minor level in sporophytes. Electron transfer inhibitor DCMU blocked the energy transfer from PS II to PS I in gametophytes, but no obvious effects on sporophytes. These indicated that excitation energy distribution between two photosystems in gametophytes was more cooperative than that in sporophytes. These data in ontogenesis reflected the evolution process of photosynthetic organisms and supported the hypothesis of independent evolution of each photosystem. |
关键词 | Evolution Of Photosystems Excitation Energy Distribution Porphyra Yezoensis Sporophyte And Gametophyte |
学科领域 | Multidisciplinary Sciences |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000167010800012 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.qdio.ac.cn/handle/337002/3316 |
专题 | 实验海洋生物学重点实验室 |
作者单位 | 1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, State Key Lab Struct Unstable & Stable Species, Beijing 100080, Peoples R China 2.Chinese Acad Sci, Inst Bot, Photosynth Res Ctr, Beijing 100093, Peoples R China 3.Chinese Acad Sci, Inst Oceanol, Lab Expt Marine Biol, Qingdao 266071, Peoples R China |
推荐引用方式 GB/T 7714 | Pan, J,Shi, DJ,Chen, JX,et al. Excitation energy distribution between two photosystems in Porphyra yezoensis and its significance in photosynthesis evolution[J]. CHINESE SCIENCE BULLETIN,2001,46(1):49-52. |
APA | Pan, J.,Shi, DJ.,Chen, JX.,Peng, GH.,Zeng, CK.,...&Zhang, QY.(2001).Excitation energy distribution between two photosystems in Porphyra yezoensis and its significance in photosynthesis evolution.CHINESE SCIENCE BULLETIN,46(1),49-52. |
MLA | Pan, J,et al."Excitation energy distribution between two photosystems in Porphyra yezoensis and its significance in photosynthesis evolution".CHINESE SCIENCE BULLETIN 46.1(2001):49-52. |
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