Nucleotide Sequence of Cyanophora paradoxa Cellular and Cyanelle-Associated 5S Ribosomal RNAs (original) (raw)
1987, Annals of the New York Academy of Sciences
Cyanophora poradoxa is a flagellated protozoan which has long been of particular interest because of its unique photosynthetic plastid or cyanelle. This cyanelle possesses morphological and genetic characteristics that indicate a close phylogenetic relationship with both prokaryotic cyanobacteria and eukaryotic higher plant chloroplasts!-' It has therefore been postulated that these cyanelles might represent a potential intermediate in photosynthetic plastid evolution between cyanobacteria and plant chloroplasts.' In an effort to understand this evolutionary relationship better, we have isolated and sequenced both the cellular and cyanelle-associated SS ribosomal RNAs.
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