Sequence of the 16S rRNA gene from the thermoacidophilic archaebacterium Sulfolobus solfataricus and its evolutionary implications

G. J. Olsen, N. R. Pace, M. Nuell, B. P. Kaine, R. Gupta, C. R. Woese

Research output: Contribution to journalArticle

Abstract

The sequence of the small-subunit rRNA from the thermoacidophilic archaebacterium Sulfolobus solfataricus has been determined and compared with its counterparts from halophilic and methanogenic archaebacteria, eukaryotes, and eubacteria. The S. solfataricus sequence is specifically related to those of the other archaebacteria, to the exclusion of the eukaryotic and eubacterial sequences, when examined either by evolutionary distance matrix analyses or by the criterion of minimum change (maximum parsimony). The archaebacterial 16S rRNA sequences all conform to a common secondary structure, with the S. solfataricus structure containing a higher proportion of canonical base pairs and fewer helical irregularities than the rRNAs from the mesophilic archaebacteria. S. solfataricus is unusual in that its 16S rRNA-23S rRNA intergenic spacer lacks a tRNA gene.

Original languageEnglish (US)
Pages (from-to)301-307
Number of pages7
JournalJournal of Molecular Evolution
Volume22
Issue number4
DOIs
StatePublished - Dec 1 1985
Externally publishedYes

Fingerprint

Sulfolobus solfataricus
secondary structure
Archaea
eukaryote
rRNA Genes
ribosomal RNA
matrix
gene
genes
Eubacteria
Transfer RNA
Eukaryota
Base Pairing
intergenic DNA
eukaryotic cells
Bacteria
Genes

Keywords

  • Eubacteria
  • Eukaryotes
  • Evolution
  • Extreme halophiles
  • Methanogens
  • Nucleotide sequence

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Molecular Biology
  • Genetics

Cite this

Sequence of the 16S rRNA gene from the thermoacidophilic archaebacterium Sulfolobus solfataricus and its evolutionary implications. / Olsen, G. J.; Pace, N. R.; Nuell, M.; Kaine, B. P.; Gupta, R.; Woese, C. R.

In: Journal of Molecular Evolution, Vol. 22, No. 4, 01.12.1985, p. 301-307.

Research output: Contribution to journalArticle

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