Spectral hole burning study of intact cells of green bacterium Chlorobium limicola
- 24 May 1993
- journal article
- Published by Wiley in FEBS Letters
- Vol. 323 (1-2) , 159-162
- https://doi.org/10.1016/0014-5793(93)81470-k
Abstract
Spectral hole burning studies of intact cells of the green bacterium, Chlorobium limicola, have proven that the Qy-absorption system of antenna bacteriochlorophyll c (BChl c) should be interpreted in terms of the delocalized exciton level structure of an oligomer. For the first time the 0-0 band of the lowest exciton state of BChl c oligomers has been directly detected as the lowest energy inhomogeneously broadened band (FWHM approximately 100 cm-1; position of maximum, at approximately 774 nm) of the near-infrared BChl c band of 1.8K excitation spectrum (FWHM = 830 cm-1; position of maximum, at 751 nm).Keywords
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