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Neighbour-joining trees of reference strains created from synonymous sites for (a) G. vaginalis , (b) L. crispatus , (c) L. iners , (d) L. jensenii , (e) L. gasseri , (f) A. vaginae . Branch lengths represent pairwise differences per site surveyed. Groups were determined by ADMIXTURE analysis. Select bootstrap values for nodes separating groups are shown. Bootstrap values indicate the number of supporting iterations out of 100 as calculated by resampling with replacement.
