Phylogenetic structure of the prokaryotic domain: The primary kingdoms
- 1 November 1977
- journal article
- research article
- Published by Proceedings of the National Academy of Sciences in Proceedings of the National Academy of Sciences
- Vol. 74 (11) , 5088-5090
- https://doi.org/10.1073/pnas.74.11.5088
Abstract
A phylogenetic analysis based upon ribosomal RNA sequence characterization reveals that living systems represent one of three aboriginal lines of descent: ( i ) the eubacteria, comprising all typical bacteria; ( ii ) the archaebacteria, containing methanogenic bacteria; and ( iii ) the urkaryotes, now represented in the cytoplasmic component of eukaryotic cells.Keywords
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