Fig 2.

16S rRNA gene maximum-likelihood tree of the genus Lactobacillus, based on partial and complete sequences combined. Branch widths are proportional to bootstrap support from 100 pseudoreplicates. Highlighted branches represent Hymenoptera associated lactobacilli as indicated in the figure legend. Clades containing lactobacilli associated with humans are indicated by a human figure, whereas clades containing lactobacilli used in food fermentation are indicated by a piece of cheese. Major clades are indicated with curved lines and named according to previous studies (47–50).