Brevilactibacter flavus gen. nov., sp. nov., a novel bacterium of the family Propionibacteriaceae isolated from raw milk and dairy products and reclassification of Propioniciclava sinopodophylli as Brevilactibacter sinopodophylli comb. nov
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Medientyp:
E-Artikel
Titel:
Brevilactibacter flavus gen. nov., sp. nov., a novel bacterium of the family Propionibacteriaceae isolated from raw milk and dairy products and reclassification of Propioniciclava sinopodophylli as Brevilactibacter sinopodophylli comb. nov
Erschienen in:International Journal of Systematic and Evolutionary Microbiology
Sprache:
Englisch
DOI:
10.1099/ijsem.0.003909
ISSN:
1466-5026;
1466-5034
Entstehung:
Anmerkungen:
Beschreibung:
<jats:p>Eight facultatively anaerobic rod-shaped bacteria were isolated from raw milk and two other dairy products. Results of phylogenetic analyses based on 16S rRNA gene sequences showed that the isolates are placed in a distinct lineage within the family <jats:italic>
<jats:named-content content-type="family">
<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://doi.org/10.1601/nm.6609" xlink:type="simple">Propionibacteriaceae</jats:ext-link>
</jats:named-content>
</jats:italic> with <jats:italic>
<jats:named-content content-type="species">
<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://doi.org/10.1601/nm.30871" xlink:type="simple">Propioniciclava sinopodophylli</jats:ext-link>
</jats:named-content>
</jats:italic> and <jats:italic>
<jats:named-content content-type="species">
<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://doi.org/10.1601/nm.22534" xlink:type="simple">Propioniciclava tarda</jats:ext-link>
</jats:named-content>
</jats:italic> as the closest relatives (94.6 and 93.5 % similarity, respectively). The cell-wall peptidoglycan contained <jats:italic>meso</jats:italic>-diaminopimelic acid, alanine and glutamic acid and was of the A1γ type (<jats:italic>meso</jats:italic>-DAP-direct). The major cellular fatty acid was anteiso-C<jats:sub>15 : 0</jats:sub> and the major polar lipids were diphosphatidylglycerol, phosphatidyglycerol and three unidentified glycolipids. The quinone system contained predominantly menaquinone MK-9(H<jats:sub>4</jats:sub>). The G+C content of the genomic DNA of strain VG341<jats:sup>T</jats:sup> was 67.7 mol%. The whole-cell sugar pattern contained ribose, rhamnose, arabinose and galactose. On the basis of phenotypic and genetic data, eight strains (VG341<jats:sup>T</jats:sup>, WS4684, WS4769, WS 4882, WS4883, WS4901, WS4902 and WS4904) are proposed to be classified as members of a novel species in a new genus of the family <jats:italic>
<jats:named-content content-type="family">
<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://doi.org/10.1601/nm.6609" xlink:type="simple">Propionibacteriaceae</jats:ext-link>
</jats:named-content>
</jats:italic>, for which the name <jats:italic>Brevilactibacter flavus</jats:italic> gen. nov., sp. nov. is proposed. The type strain is VG341<jats:sup>T</jats:sup> (=WS4900<jats:sup>T</jats:sup>=DSM 100885<jats:sup>T</jats:sup>=LMG 29089<jats:sup>T</jats:sup>) and seven additional strains are WS4684, WS4769, WS4882, WS4883, WS4901, WS4902 and WS4904. Furthermore, we propose the reclassification of <jats:italic>
<jats:named-content content-type="species">
<jats:ext-link xmlns:xlink="http://www.w3.org/1999/xlink" ext-link-type="uri" xlink:href="http://doi.org/10.1601/nm.30871" xlink:type="simple">P. sinopodophylli</jats:ext-link>
</jats:named-content>
</jats:italic> as <jats:italic>Brevilactibacter sinopodophylli</jats:italic> comb. nov.</jats:p>