Energy transfer from carotenoid to bacteriochlorophyll a in the B800–820 antenna complexes from Rhodopseudomonas acidophila strain 7050

We have resolved the excitation energy transfer from carotenoids to bacteriochlorophyll a in the B800–820 antenna complex of Rhodopseudomonas acidophila and found it to be about 3 ps. This efficient transfer can best be explained by the electron-exchange mechanism with a distance of about 4.5 Å betw...

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Bibliographic Details
Published in:FEBS letters 1988-08, Vol.235 (1), p.169-172
Main Authors: Gillbro, Tomas, Cogdell, Richard J., Sundström, Villy
Format: Article
Language:English
Subjects:
B800–820 complex
Biological and medical sciences
Carotenoid
Cell structures and functions
Chloroplast, photosynthetic membrane and photosynthesis
Energy transfer
Fundamental and applied biological sciences. Psychology
Molecular and cellular biology
Picosecond spectroscopy
Rhodopseudomonas acidophila
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Summary:We have resolved the excitation energy transfer from carotenoids to bacteriochlorophyll a in the B800–820 antenna complex of Rhodopseudomonas acidophila and found it to be about 3 ps. This efficient transfer can best be explained by the electron-exchange mechanism with a distance of about 4.5 Å between the molecules.
ISSN:0014-5793
1873-3468
DOI:10.1016/0014-5793(88)81256-0