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INTERNATIONAL JOURNAL OF SYSTEMATIC AND EVOLUTIONARY MICROBIOLOGY logo International Journal of Systematic and Evolutionary Microbiology

Volume 49, Issue 4

Phylogenetic analysis of genus and related bacteria based on the amino acid sequences of GyrB and emended description of with as its subjective synonym Free

Abstract

The detailed phylogenetic relationships for genus and related taxa were analysed by using DNA gyrase B subunit gene () sequences. Anaerobic bacteria in the phylum, namely genera and and , were clustered in the same branch and the facultative anaerobes and formeed a subcluster in the branch of the anaerobic bacteria. Phylogenetic analysis using 16S rDNA sequences gave a similar result but with a lower bootstrap value for each cluster. The of and were the same, and the of their chromosomal DNA, as determined by DNA-DNA hybridization, was greater than 70%. These genetic aspects led to the conclusion that IFO 15948 and IFO 14957 belong to a single species. Since was described first, as is a senior subjective synonym of . Therefore, the name should be retained and strain IFO 14957 should be reclassified as . However, the agar-degrading ability of strain IFO 14957 is a prominent biochemical characteristic. It is therefore proposed that strain IFO 14957 should be renamed biovar agarovorans.

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Keyword(s): Cytophaga-Flavobacterium-Bacteroides complex , gyrB , Marinilabilia and phylogeny
© 1999 International Union of of Microbiological Societies
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1999-10-01
2025-04-30
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Phylogenetic analysis of genus Marinilabilia and related bacteria based on the amino acid sequences of GyrB and emended description of Marinilabilia salmonicolor with Marinilabilia agarovorans as its subjective synonym
Int J Syst Evol Microbiol 49, 1551 (1999); https://doi.org/10.1099/00207713-49-4-1551
/content/journal/ijsem/10.1099/00207713-49-4-1551
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