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Ultra-fast energy transfer process of recombinant allophycocyanin
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Zhanghe Zhen1, Ruidan Zhu2, 3, Song Qin1, 4, Hailong Chen3, Yang Pu5, Yuxiang Weng2, 3, *, Wenjun Li1, 4, *
Haiyang Xuebao | 2021, 43(9) : 115 - 125
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Haiyang Xuebao | 2021, 43(9): 115-125
• Article •
Ultra-fast energy transfer process of recombinant allophycocyanin
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Zhanghe Zhen1, Ruidan Zhu2, 3, Song Qin1, 4, Hailong Chen3, Yang Pu5, Yuxiang Weng2, 3, *, Wenjun Li1, 4, *
Affiliations
  • 1Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
  • 2University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Beijing National Laboratory for Condensed Matter Physics/Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
  • 4Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
  • 5School of Agriculture, Ludong University, Yantai 264025, China
Published: 2021-09-25 doi: 10.12284/hyxb2021120
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Phycobilisomes are photosynthetic light-harvesting antenna complexes unique to red algae and cyanobacteria. Allophycocyanin (APC) is the main component of the core structure of phycobilisomes. In this experiment, recombinant allophycocyanin (rAPC) was used as the material, and the structure conformation and energy transfer process of rAPC were studied through steady-state spectroscopy, circular dichroic spectroscopy, and ultrafast time-resolved spectroscopy. The results show that rAPC can maintain the same spectral characteristics and active conformation as natural APC under the test conditions; after rAPC monomers are assembled into trimer, the results confirmed that α84PCB and β84PCB can form an exciton pigment pair which can improve the energy transfer efficiency of the rAPC trimer through exciton splitting; ultrafast time-resolved spectroscopy results show that the energy transfer time from 620 nm to 650 nm is 300−600 fs, and there is also a 19 fs exciton state electronic decoherence process. These results provide a data basis for revealing the efficient energy transfer mechanism of phycobilisomes.

allophycocyanin  /  recombination and heterologous expression  /  energy transfer  /  steady-state spectrum  /  transient spectrum
Zhanghe Zhen, Ruidan Zhu, Song Qin, Hailong Chen, Yang Pu, Yuxiang Weng, Wenjun Li. Ultra-fast energy transfer process of recombinant allophycocyanin[J]. Haiyang Xuebao, 2021 , 43 (9) : 115 -125 . DOI: 10.12284/hyxb2021120
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Article Info
doi: 10.12284/hyxb2021120
  • Receive Date：2021-02-19
  • Online Date：2026-02-26
  • Published：2021-09-25
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History
  • Received：2021-02-19
  • Revised：2021-04-13
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Affiliations
    1Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
    2University of Chinese Academy of Sciences, Beijing 100049, China
    3Beijing National Laboratory for Condensed Matter Physics/Laboratory of Soft Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
    4Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao 266071, China
    5School of Agriculture, Ludong University, Yantai 264025, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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