Mitochondrial Origins

The 16S ribosomal RNA sequences from Agrobacterium tumefaciens and Pseudomonas testosteroni have been determined to further delimit the origin of the endosymbiont that gave rise to the mitochondrion. These two prokaryotes represent the α and β subdivisions, respectively, of the so-called purple bact...

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Bibliographic Details
Published in:Proceedings of the National Academy of Sciences - PNAS 1985-07, Vol.82 (13), p.4443-4447
Main Authors: Yang, D., Oyaizu, Y., Oyaizu, H., Olsen, G. J., Woese, C. R.
Format: Article
Language:English
Subjects:
Base Sequence
Biological and medical sciences
Biological evolution
Comamonas testosteroni
Cytochromes
Escherichia coli - genetics
Evolution
Fundamental and applied biological sciences. Psychology
Genetics of eukaryotes. Biological and molecular evolution
Mathematical sequences
Mitochondria
Nucleic acids
Phylogeny
Plants
Proteobacteria
Pseudomonas - ultrastructure
Rhizobium - ultrastructure
RNA, Ribosomal - analysis
rRNA genes
Similarity theorem
Space life sciences
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Summary:The 16S ribosomal RNA sequences from Agrobacterium tumefaciens and Pseudomonas testosteroni have been determined to further delimit the origin of the endosymbiont that gave rise to the mitochondrion. These two prokaryotes represent the α and β subdivisions, respectively, of the so-called purple bacteria. The endosymbiont that gave rise to the mitochondrion belonged to the α subdivision, a group that also contains the rhizobacteria, the agrobacteria, and the rickettsias--all prokaryotes that have developed intracellular or other close relationships with eukaryotic cells.
ISSN:0027-8424
1091-6490
DOI:10.1073/pnas.82.13.4443