The photosynthetic electron transport chain of Chlamydomonas reinhardi. 8. The 520 nm light-induced absorbance change in the wild-type and mutant strains.
The 520 nm light-induced absorbance change in wild-type and 4 mutant strains of Chlamydomonas reinhardi was investigated. In the wild-type strain the absorbance change is composed of at least 2 components, P520 I and P520 II, sensitized by Systems I and II respectively. Some of the properties of these components can be studied by using the appropriate photosynthetic mutant strain. A group of mutant strains modified in the photochemical complex of System II shows only the P520 I absorbance change, whereas a mutant strain deficient in active P700 exhibits only the P520 II absorbance change. The possible relationship between these absorbance changes and the photosynthetic electron transport pathway is discussed.
16 references, click to expand
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