. Bacterial photosynthesis. Bacteria -- Physiology; Photosynthesis. 0 1 2 3 4 5 6 7 Intensity Fig. 2. Light-off/light-on rates for a component of type c (423 m^u) and b or rhp (428 m/i) in R. rubntm (900). A striking example of a light-off reaction that is more rapid than the light-on reaction is afforded by the kinetics of cytochrome / of a pale green mutant oi CMamydomonas, in response to illumination (11). Here the ratio of the rates is about three (Fig, 3).. 554-540 m/j Hfe°cH Fig. 3. Light-on/light-off kinetics for cytochrome / of a pale green mutant of Chlcauydouioiias (674-11). (Cour- t
. Bacterial photosynthesis. Bacteria -- Physiology; Photosynthesis. 0 1 2 3 4 5 6 7 Intensity Fig. 2. Light-off/light-on rates for a component of type c (423 m^u) and b or rhp (428 m/i) in R. rubntm (900). A striking example of a light-off reaction that is more rapid than the light-on reaction is afforded by the kinetics of cytochrome / of a pale green mutant oi CMamydomonas, in response to illumination (11). Here the ratio of the rates is about three (Fig, 3).. 554-540 m/j Hfe°cH Fig. 3. Light-on/light-off kinetics for cytochrome / of a pale green mutant of Chlcauydouioiias (674-11). (Cour- tesy of Plant Physiol., 32, 557, 1957.) It should be noted that Amesz (12, also see 13) employs the light-off reaction for the measurement of the quantum requirement for pyridine nucleotide reduction in purple bacteria. Interestingly enough, Amesz does not observe the need for establishing a steady state before cessa-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Symposium on Bacterial Photosynthesis (1963 : Yellow Springs, Ohio); Charles F. Kettering Research Laboratory (Yellow Springs, Ohio); Gest, Howard. Yellow Springs, Ohio, Antioch Press
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