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Sequencing of a 3.4 kb DNA fragment isolated from the photosynthetic purple sulfur bacterium Chromatium vinosum and of PCR products has resulted in identification of the Chr. vinosum pufL, pufM, and pufC genes, reading from the 5′ to the 3′ direction, and coding, respectively, for the L, M and cytochrome c subunits of the reaction center of this bacterium. Other PCR products have been used to obtain...
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