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Proc Natl Acad Sci U S A. Mar 1974; 71(3): 971–973.
PMCID: PMC388139

Genetic Recombination in Rhodopseudomonas capsulata


A system for genetic exchange in Rhodopseudomonas capsulata has been discovered. Each genetic marker thus far examined can be transferred, and many strains of Rps. capsulata can participate in genetic exchange. The mechanism of gene transfer seems unlike that of any previously described bacterial system, since genes can be transferred by cell-free filtrates, but the vector is resistant to deoxyribonuclease and has a sedimentation constant of about 70 S.

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Selected References

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  • Oelze J, Drews G. Membranes of photosynthetic bacteria. Biochim Biophys Acta. 1972 Apr 18;265(2):209–239. [PubMed]
  • Datta P. Regulation of branched biosynthetic pathways in bacteria. Science. 1969 Aug 8;165(3893):556–562. [PubMed]
  • Marrs B, Gest H. Genetic mutations affecting the respiratory electron-transport system of the photosynthetic bacterium Rhodopseudomonas capsulata. J Bacteriol. 1973 Jun;114(3):1045–1051. [PMC free article] [PubMed]
  • Marrs B, Stahl CL, Lien S, Gest H. Biochemical physiology of a respiration-deficient mutant of the photosynthetic bacterium Rhodopseudomonas capsulata. Proc Natl Acad Sci U S A. 1972 Apr;69(4):916–920. [PMC free article] [PubMed]
  • Brinton CC., Jr The properties of sex pili, the viral nature of "conjugal" genetic transfer systems, and some possible approaches to the control of bacterial drug resistance. CRC Crit Rev Microbiol. 1971 May;1(1):105–160. [PubMed]

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