Figure 2.

Clustering analysis of resistance and virulence genes-producing MDR L. monocytogenes strains: plcA, plcB, prfA, and actA, LIPI-1 pathogenicity island; inlA, inlB, inlC, and inlJ, internalin proteins; lap, adhesion protein; hlyA, listeriolysin O gene, flaA, flagellin protein; aadA, aminoglycoside adenyltransferase; ampC, β-lactamase–ampicillin resistance gene; ereA, ereB, and ermB, erythromycin resistance genes; penA, penicillin-binding protein gene; floR, florfenicol export protein; cmlA, chloramphenicol transporter nonenzymatic chloramphenicol-resistance protein; tetA and tetB, tetracycline resistance genes; vanA and vanB, vanillate o-demethylase oxygenase subunit; BFA, biofilm-forming ability.