Taxonomic evaluation of the genera Ruegeria and Silicibacter: A proposal to transfer the genus Silicibacter Petursdottir and Kristjansson 1999 to the genus Ruegeria Uchino et al. 1999

Hana Yi, Young Woon Lim, Jongsik Chun

Research output: Contribution to journalArticle

38 Citations (Scopus)

Abstract

The taxonomic positions of the genera Ruegeria and Silicibacter were evaluated by a polyphasic investigation. It was evident from 16S rRNA gene sequence analysis that both genera are closely related as they formed a monophyletic clade with high sequence similarities (96.9-98.2%). Several properties commonly found in these taxa strongly suggest that they should be classified in the same genus. Further, a comparative study based on DNA-DNA hybridization, phenotypic characterization and chemotaxonomic analysis indicated that the members of this clade, namely Ruegeria atlantica, Silicibacter lacuscaerulensis and Silicibacter pomeroyi, can be readily differentiated from each other. On the basis of the polyphasic data obtained in this study, all species of the genus Silicibacter should be transferred to the genus Ruegeria, since the latter has nomenclatural priority. It is therefore proposed that Silicibacter lacuscaerulensis and Silicibacter pomeroyi are transferred to the genus Ruegeria as Ruegeria lacuscaerulensis comb. nov. and Ruegeria pomeroyi comb. nov.

Original languageEnglish
Pages (from-to)815-819
Number of pages5
JournalInternational Journal of Systematic and Evolutionary Microbiology
Volume57
Issue number4
DOIs
Publication statusPublished - 2007 Apr 1

ASJC Scopus subject areas

  • Microbiology
  • Ecology, Evolution, Behavior and Systematics

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