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Fig. 3 | BMC Microbiology

Fig. 3

From: Deep divergence and rapid evolutionary rates in gut-associated Acetobacteraceae of ants

Fig. 3

Relationship between AT content and normalized predicted free energy of 16S rRNA, showing the grouping of sequences by bacterial transmission mode. Free energy estimation was constrained to known secondary structure interactions (in the E. coli rRNA molecule) and calculated using the Turner 2004 model. Analysis was based on the region corresponding to E. coli coordinates 16–1477. Shape indicates transmission mode (when known), and colors indicate bacterial lifestyle. AAB1 and AAB2 from C. chromaiodes are marked (blue stars; extracellular gut associates of unknown transmission mode). The closely related AAB lineage from Atta laevigata appears as a yellow star (unknown lifestyle and unknown transmission mode). The names and values for all points are provided in Additional file 7. Lifestyle designations are with respect to insect hosts

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