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. 1975 Jun;72(6):2418-22.
doi: 10.1073/pnas.72.6.2418.

Phylogenetic origin of the chloroplast and prokaryotic nature of its ribosomal RNA

L B Zablen, M S Kissil, C R Woese, D E Buetow

Phylogenetic origin of the chloroplast and prokaryotic nature of its ribosomal RNA

L B Zablen et al. Proc Natl Acad Sci U S A. 1975 Jun.

Abstract

The 16S ribosomal RNA of the Euglena gracilis chloroplast has been characterized in terms of its two-dimensional electrophoretic "fingerprint" (T1 ribonuclease). Results show it to be a typically prokaryotic 16 S rRNA. By the present criterion, different chloroplasts are shown to be related to one another and at least distantly to blue-green algae and perhaps to Bacillaceae. These results argue in favor of an endosymbiont origin of the chloroplast.

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References

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