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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Media type:
E-Article
Title:
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
Published in:
International Journal of Systematic and Evolutionary Microbiology, 70 (2020) 4, Seite 2186-2193
Language:
English
DOI:
10.1099/ijsem.0.003909
ISSN:
1466-5026;
1466-5034
Origination:
Footnote:
Description:
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 familyPropionibacteriaceaewithPropioniciclava sinopodophylliandPropioniciclava tardaas the closest relatives (94.6 and 93.5 % similarity, respectively). The cell-wall peptidoglycan containedmeso-diaminopimelic acid, alanine and glutamic acid and was of the A1γ type (meso-DAP-direct). The major cellular fatty acid was anteiso-C15 : 0and the major polar lipids were diphosphatidylglycerol, phosphatidyglycerol and three unidentified glycolipids. The quinone system contained predominantly menaquinone MK-9(H4). The G+C content of the genomic DNA of strain VG341Twas 67.7 mol%. The whole-cell sugar pattern contained ribose, rhamnose, arabinose and galactose. On the basis of phenotypic and genetic data, eight strains (VG341T, 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 familyPropionibacteriaceae, for which the nameBrevilactibacter flavusgen. nov., sp. nov. is proposed. The type strain is VG341T(=WS4900T=DSM 100885T=LMG 29089T) and seven additional strains are WS4684, WS4769, WS4882, WS4883, WS4901, WS4902 and WS4904. Furthermore, we propose the reclassification ofP. sinopodophylliasBrevilactibacter sinopodophyllicomb. nov.