Phylogenetic assessment of five filamentous bacteria isolated from bulking activated sludges

Nearly complete 16S ribosomal RNA (TRNA) sequences were determined for fully characterised axenic strains of Thiothrix, Eikelboom type O21N, and Eikelboom type 1701 originally isolated from bulking activated sludges. Thiothrix strains formed a monophyletic group (100% bootstrap support) with previou...

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Bibliographic Details
Published in:Water science and technology 1998, Vol.37 (4-5), p.303-306
Main Authors: Howarth, R., Head, I.M., Unz, R.F.
Format: Article
Language:English
Subjects:
16S rRNA sequences
Bacteria
Gene sequencing
Nucleic acid sequences
Ribonucleic acid
RNA
Sphaerotilus natans
Thiothrix
Thiothrix nivea
Thiothrix ramosa
Thiothrix strains
Type 1701
Type O21N
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Summary:Nearly complete 16S ribosomal RNA (TRNA) sequences were determined for fully characterised axenic strains of Thiothrix, Eikelboom type O21N, and Eikelboom type 1701 originally isolated from bulking activated sludges. Thiothrix strains formed a monophyletic group (100% bootstrap support) with previously described Thiothrix nivea strain JP2 and Thiothrix ramosa. Eikelboom type O21N strain AP3 revealed a sufficiently strong relationship to the Thiothrix group to suggest a common ancestry for the two organisms although it was not possible to designate type O21N as a species of Thiothrix. Eikelboom type 1701 contained within its sequence the target sequence of an oligonucleotide probe for the detection of Sphaerotilus natans.
ISSN:0273-1223
1996-9732
DOI:10.1016/S0273-1223(98)00122-X