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. 2018 Mar 29;9:591. doi: 10.3389/fmicb.2018.00591

Figure 1.

Figure 1

Population structure of 142 Campylobacter jejuni strains. Colored C. jejuni strains were chosen to represent pan-genomes for the three ST-types used in the study, including ST-995 isolates from mallards (blue), ST-1315 (ST-1304 CC) isolates from song thrushes (green), and ST-104 (ST-21 CC) isolates from broiler chickens (red). One strain from each group was selected for experimental infection of mallards. The phylogenetic tree was reconstructed using an approximation of the maximum-likelihood algorithm in RAXML. The scale bar indicates the estimated number of substitutions per site. Blank circles denote C. jejuni genomes added to the analysis to provide phylogenetic context to the strains of interest.