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Phylogenetic placement of the SpirosomaceaeComparative analysis of 16S rRNA sequences shows that the family Spirosomaceae belongs within the eubacterial phylum defined by the flavobacteria and bacteriodes. Its constituent genera, Spirosoma, Flectobacillus, and Runella form a monophyletic grouping therein. The phylogenetic assignment is based not only upon evolutionary distance analysis, but also upon sequence signatures and higher order structural synapomorphies in 16S rRNA. Another genus peripherally associated with the Spirosomaceae, Ancylobacter ("Microcyclus"), does not cluster with the flavobacteria and their relatives, but rather belongs to the alpha subdivision of the purple bacteria.
Document ID
20040090098
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Woese, C. R.
(University of Illinois Urbana 61801, United States)
Maloy, S.
Mandelco, L.
Raj, H. D.
Date Acquired
August 21, 2013
Publication Date
March 1, 1990
Publication Information
Publication: Systematic and applied microbiology
Volume: 13
Issue: 1
ISSN: 0723-2020
Subject Category
Exobiology
Distribution Limits
Public
Copyright
Other
Keywords
NASA Discipline Number 52-30
NASA Program Exobiology
NASA Discipline Exobiology
Non-NASA Center

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