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Int J Syst Bacteriol. 1998 Jul;48 Pt 3:739-47.

Union of the genera Microbacterium Orla-Jensen and Aureobacterium Collins et al. in a redefined genus Microbacterium.

Author information

1
Institute for Fermentation, Osaka, Japan. fvgg0814@mb.infoweb.ne.jp

Abstract

The 16S rRNA gene sequences of 19 strains, 11 strains representing validated Aureobacterium or Microbacterium species and eight strains of non-valid species or isolates, were determined. These sequences were aligned with the sequences of other validated Aureobacterium and Microbacterium species and related actinobacteria. A comparative sequence analysis of 43 strains revealed that the species of the genera Aureobacterium and Microbacterium form a monophyletic association in which species of both genera are intermixed. The high similarity in phylogenetic properties found in the species within both genera and the close relationship in physiological and chemotaxonomic features other than the diamino acid in the cell wall, provided strong evidence that the genera Aureobacterium and Microbacterium should be unified. An emended genus Microbacterium is proposed for the two combined genera. The following validated Aureobacterium species were combined to the genus Microbacterium: Aureobacterium arabinogalactanolyticum to Microbacterium arabinogalactanolyticum, Aureobacterium barkeri to Microbacterium barkeri, Aureobacterium esteraromaticum to Microbacterium esteraromaticum, Aureobacterium flavescens to Microbacterium flavescens, Aureobacterium keratanolyticum to Microbacterium liquefaciens, Aureobacterium luteolum to Microbacterium luteolum, Aureobacterium saperdae to Microbacterium saperdae, Aureobacterium schleiferi to Microbacterium schleiferi, Aureobacterium terrae to Microbacterium terrae, Aureobacterium terregens to Microbacterium terregens, Aureobacterium testaceum to Microbacterium testaceum, and Aureobacterium trichothecenolyticum to Microbacterium trichothecenolyticum.

PMID:
9734028
DOI:
10.1099/00207713-48-3-739
[Indexed for MEDLINE]

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