Comparison between chlorosomes containing bacteriochlorophyll-c and chlorosomes containing bacteriochlorophyll-d isolated from two substrains of green sulfur photosynthetic bacterium Chlorobium vibrioforme NCIB 8327

Journal of Photochemistry and Photobiology. B, Biology
Yoshitaka Saga, Hitoshi Tamiaki

Abstract

Chlorosomes containing bacteriochlorophyll(BChl)-c and those containing BChl-d were isolated from two substrains of Chlorobium vibrioforme f. sp. thiosulfatophilum NCIB 8327, respectively. The two types of chlorosomes were investigated from the following aspect, what kinds of effects the molecular structure of chlorosomal BChls had on structural and spectroscopic properties of in vivo self-aggregates in chlorosomes without alteration of the other components such as chlorosomal proteins and lipids; both chlorosomes were expected to have the same components except for light-harvesting BChls. In their visible absorption spectra, the differences of Soret and Q(y) peak positions between BChl-c containing and BChl-d containing chlorosomes were similar to the differences between monomeric BChl-c and d. An inverse S-shaped CD signal in the Q(y) region of BChl-d containing chlorosomes was 1.4 times larger than that of BChl-c containing chlorosomes, when the Q(y) absorbance of the two chlorosomes was almost the same. This implies that the excitonic interaction of BChl-d is larger than that of BChl-c in natural chlorosomes. Resonance Raman spectroscopy showed that BChl self-assemblies in both chlorosomes were essentially formed by the sam...Continue Reading

References

Aug 14, 1992·Journal of Photochemistry and Photobiology. B, Biology·T P CausgroveR E Blankenship
Dec 31, 2003·Analytical Sciences : the International Journal of the Japan Society for Analytical Chemistry·Yoshitaka SagaHitoshi Tamiaki
Jul 1, 1994·Photosynthesis Research·U FeilerB Robert
Jul 1, 1994·Photosynthesis Research·P I van NoortJ Amesz

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Citations

Apr 30, 2008·Photosynthesis Research·Juha M Linnanto, Jouko E I Korppi-Tommola
May 10, 2011·The Journal of Biological Chemistry·Zhenfeng Liu, Donald A Bryant
Sep 21, 2012·Scientific Reports·Jiro HaradaHitoshi Tamiaki
Jul 29, 2011·Angewandte Chemie·Yuichi KitagawaKazuyuki Ishii
Dec 7, 2013·Photochemistry and Photobiology·Yoshitaka SagaHitoshi Tamiaki
May 9, 2014·Biophysical Journal·Marc JendrnyJürgen Köhler
Oct 11, 2008·Photochemical & Photobiological Sciences : Official Journal of the European Photochemistry Association and the European Society for Photobiology·Yoshitaka SagaHitoshi Tamiaki

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