Presence/absence of genes associated with virulence among the study isolates.

<p>Blue = detected. Light blue = shorter than the reference gene used in the analysis. Red = not detected. Columns 1 to 62 (at the bottom of the figure) were based on the analysis described by Kuenne et al. [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0197053#pone.0197053.ref047" target="_blank">47</a>] and columns 63 to 76 were based on the analysis described by Maury et al. [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0197053#pone.0197053.ref009" target="_blank">9</a>].