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Maximum-likelihood phylogenetic tree reconstructed from 16S rRNA gene sequences of strains of N. oralis sp. nov. and the 50 closest taxa returned from a blast search of the EzTaxon database. The tree was rooted with Oligella ureolytica DSM 18253T. Branch probability is indicated at nodes and was determined by the aLRT; probabilities below 50 % are not shown. Bar, 0.01 expected changes per site.
