Abstract
A novel Bifidobacterium strain, Tam10BT, i.e. LMG 30126T, was isolated from emperor tamarin (Saguinus imperator). Cells were Gram-positive, non-motile, non-sporulating, non-haemolytic, facultative anaerobic and fructose 6-phosphate phosphoketolase-positive. Phylogenetic analyses based on 16S rRNA genes as well as multilocus sequences (representing hsp60, rpoB, dnaJ, dnaG and clpC genes) and the core genome revealed that Bifidobacterium Tam10BT exhibited close phylogenetic relatedness to Bifidobacterium tissieri DSM 100201T. Comparative analysis of 16S rRNA gene sequences confirmed the phylogenetic results showing the highest gene sequence identity with strain B. tissieri DSM 100201T (96.5 %). Furthermore, genotyping based on the genome sequence of Tam 10B, in combination with phenotypic analyses, clearly showed that strain Tam10BT is distinct from each of the type strains of the so far recognized Bifidobacterium species. The type strain Tam10BT (=LMG 30126T=CCUG 70655T) represents a novel species, for which the name Bifidobacteriumvansinderenii sp. nov is proposed.
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