Diagnostic features of the photosynthetic bacteriumRhodopseudomonas sphaeroides
β Scribed by Nancy B. Pellerin; Howard Gest
- Publisher
- Springer
- Year
- 1983
- Tongue
- English
- Weight
- 485 KB
- Volume
- 9
- Category
- Article
- ISSN
- 0343-8651
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π SIMILAR VOLUMES
The cytochromes of photosynthetically grown Rhodopseudomonas blastica have been thermodynamically characterized using the technique of redox titrations. Six cytochromes were present; two cytochromes c, Em7= +295 mV, Era7 = +345mV; and four cytochromes b, Em7 = +290mV, E~7= +130mV, Era7 = +60mV, Era7
Flash-induced kinetics of the membrane potential increase related to electron transfer within the cytochrome (cyt) b/el complex (Phase III) and that of cyt cl + c2 reduction have been measured as a function of myxothiazol concentration in isolated chromatophores and whole cells of Rhodobacter sphaer
Using = 40 fs pulses we have observed coherent nuclear motions in intact membrane bound photosynthetic light-harvesting pigment-protein complexes. Computer simulations based on the harmonic Franck-Condon approximation and the Langevin equation describe qualitatively well the temperature and pulse wa