16S rDNA-based phylogeny of the archaeal order Sulfolobales and reclassification of Desulfurolobus ambivalens as Acidianus ambivalens comb nov

Fuchs, Tanja and Huber, Harald and Burggraf, Siegfried and Stetter, Karl O. (1996) 16S rDNA-based phylogeny of the archaeal order Sulfolobales and reclassification of Desulfurolobus ambivalens as Acidianus ambivalens comb nov. SYSTEMATIC AND APPLIED MICROBIOLOGY, 19 (1). pp. 56-60. ISSN 0723-2020

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Abstract

A 16S rDNA-based phylogenetic analysis of 12 thermoacidophilic members of Archaea demonstrates the Sulfolobales to be a monophyletic group within the Crenarchaeota. Several phylogenetic clusters are evident, sometimes not in agreement with the present taxonomic ranking. The four Sulfolobus species, represent three well separated branches. Further taxonomic features suitable to distinguish these groups are so far lacking, however. Therefore, a description of higher ranks appears not to be useful at present. The same is true for Acidianus brierleyi, which is clearly separated from the type species Acidianus infernus. On the other hand, Desulfurolobus ambivalens appears as a close relative of Acidianus infernus and, therefore does not represent a different genus. In line with its other physiological and biochemical similarities we assign Desulfurolobus ambivalens to the genus Acidianus as Acidianus ambivalens comb. nov. (type strain DSM 3772).

Item Type: Article
Uncontrolled Keywords: RIBOSOMAL-RNA GENE; THERMOACIDOPHILIC ARCHAEBACTERIA; ENZYMATIC AMPLIFICATION; REPRESENTS; SULFUR; BACTERIA; SEQUENCE; DNA; Crenarchaeota; Sulfolobales; Acidianus; phylogeny; 16S rRNA; 16S rDNA; evolution; thermoacidophiles
Subjects: 500 Science > 570 Life sciences
Divisions: Biology, Preclinical Medicine > Institut für Biochemie, Genetik und Mikrobiologie > Lehrstuhl für Mikrobiologie (Archaeenzentrum)
Depositing User: Dr. Gernot Deinzer
Date Deposited: 07 Nov 2023 10:41
Last Modified: 07 Nov 2023 10:41
URI: https://pred.uni-regensburg.de/id/eprint/51911

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