Excitation energy distribution between two photosystems in Porphyra yezoensis and its significance in photosynthesis evolution

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	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	被引频次：4[WOS] [WOS记录] [WOS相关记录]
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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