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  • Title: Construction and characterization of a mutant of Rhodobacter sphaeroides with the reaction center as the sole pigment-protein complex.
    Author: Jones MR, Visschers RW, van Grondelle R, Hunter CN.
    Journal: Biochemistry; 1992 May 12; 31(18):4458-65. PubMed ID: 1581302.
    Abstract:
    A strain of Rhodobacter sphaeroides has been constructed in which the photosynthetic reaction center is the sole pigment-protein complex. The strain, named RCO1, is capable of photoheterotrophic growth and possesses assembled and functional reaction centers which can undergo photochemical charge separation and are reduced by electrons derived from the cytochrome b/c1 complex. The circular dichroism and linear dichroism of reaction centers in membranes from strain RCO1 are similar to those described previously for reaction centers isolated in detergent solution. A second strain, named RCLH11, which is devoid of the peripheral LH2 antenna complex has also been constructed. A description of the properties of these strains is presented.
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