Excitation delocalization in the bacteriochlorophyll c antenna of the green bacterium Chloroflexus aurantiacus as revealed by ultrafast pump-probe spectroscopy

Room temperature absorption difference spectra were measured on the femtosecond through picosecond time scales for chlorosomes isolated from the green bacterium Chloroflexus aurantiacus. Anomalously high values of photoinduced absorption changes were revealed in the BChl c Q y transition band. Photo...

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Veröffentlicht in:	FEBS letters 1998-07, Vol.430 (3), p.323-326
Hauptverfasser:	Savikhin, Sergei, Buck, Daniel R, Struve, Walter S, Blankenship, Robert E, Taisova, Alexandra S, Novoderezhkin, Vladimir I, Fetisova, Zoya G
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption difference spectroscopy Antenna pigment organization Bacterial photosynthesis Bacterial Proteins - chemistry Bacteriochlorophyll c Bacteriochlorophylls - chemistry BChl, bacteriochlorophyll Chlorobi - chemistry CMC, chlorosome-membrane complex Energy Transfer ESA, excited state absorption Green photosynthetic bacteria Lasers Organelles PB, photobleaching SE, stimulated emission Space life sciences Spectrum Analysis - methods Ultrafast spectroscopy
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