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Kämpfer, P. et al.

Kämpfer, Andersson, Jäckel, Salkinoja-Salonen,

Teichococcus ludipueritiae gen. nov. sp. nov., and Muricoccus roseus gen. nov. sp. nov. representing two new genera of the alpha-1 subclass of the Proteobacteria.

Two bacterial isolates (170/96T and 173/96T) were recovered from the indoor building materials of a children's day care center. Phylogenetic analyses using the 16S rRNA gene sequences of both isolates indicated they both represent new lineages in the alpha-1-subclass of the Proteobacteria, with the highest sequence similarities of 93.7% and 93.6%, respectively to the type strain of Paracraurococcus ruber. When directly compared both isolates showed a 93.4% sequence similarity of their 16S rRNAs. The major respiratory quinone in both strains was a ubiquinone with 10 isoprenoid units and the major whole cell fatty acid of both strains was 18:1 omega7c. Both isolates also contained 18:1 2-OH and other fatty acids typical for members of the alpha-1 subclass of the Proteobacteria. Both strains were heterotrophic and strictly aerobic and formed slightly red-colored colonies on tryptone soy agar. Bacteriochlorophyll a could not be detected by direct spectrophotometric analyses of aerobically grown cells. On the basis of the phylogenetic analyses, physiological and biochemical characteristics, we propose that strains 170/96T and 173/96T represent two new genera and new species of the alpha-1 subclass of the Proteobacteria for which we propose the names Teichococcus ludipueritiae gen. nov. sp. nov., and Muricoccus roseus gen. nov. sp. nov., respectively.[1]

References

Teichococcus ludipueritiae gen. nov. sp. nov., and Muricoccus roseus gen. nov. sp. nov. representing two new genera of the alpha-1 subclass of the Proteobacteria. Kämpfer, P., Andersson, M.A., Jäckel, U., Salkinoja-Salonen, M. Syst. Appl. Microbiol. (2003) [Pubmed]

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