Aspects of the relation between Cyanophora paradoxa (Korschikoff) and its endosymbiotic cyanelles Cyanocyta korschikoffiana (Hall & Claus) - III. Characterization of ribosomal ribonucleic acids

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Abstract
Analysis of ribosomal RNA from Cyanophora paradoxa (Korschikoff) demonstrated the existence of four species. Two species, 25S and 18S r-RNA, are characteristic of the host, while two other species, 23S and 16S, are characteristic of the endosymbiotic cyanelles, Cyanocyta korschikoffiana (Hall & Claus). The 23S r-RNA from C. korschikoffiana was found to be labile and yielded degradation patterns resembling those seen in some chloroplast r-RNA preparations.