List of bacterial strains and plasmids used in this study.

<p><i>cat</i> = chloramphenicol acetyltransferase gene; confers resistance to chloramphenicol.</p><p><i>kan</i> = kanamycin resistance gene.</p><p>ViaA expression is increased in <i>ΔravA</i>::<i>cat</i> compared to WT (see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0085529#pone.0085529.s002" target="_blank">Figure S2</a>).