Abstract
The excitation energy transfer efficiency between β-Car and Chla molecules in purified CP43 and CP47 was calculated by comparing absorption and fluorescence excitation after normalization at 550 nm, CP43 had an energy transfer efficiency of 29.1% while the CP47 had an energy transfer efficiency of 62.8%, proving that excitation energy was transferred between β-Car and Chla molecules in CP43 and CP47 at normal conditions. The excitation energy transfer between β-Car and Chla molecules in CP43 and CP47 may occur through the “Dexter” mechanism and the distance between these two kinds of pigments should be less than 1 nm. In addition, the results were also used to discuss the conformational relationship between β-Car and Chla molecules in CP43 and CP47.
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Shan, J., Wang, J., Li, L. et al. The excitation energy transfer between β-Car and Chla molecules in PS II core antenna complexes CP43 and CP47. Chin.Sci.Bull. 45, 1579–1583 (2000). https://doi.org/10.1007/BF02886216
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DOI: https://doi.org/10.1007/BF02886216