PLG and infection: Although plasmin’s normal function is to aid wound repair and clot degradation, many bacterial pathogens are able to hijack the host Plg/plasmin system and use its protease activity for dissemination from the original site of infection or to evade host immune response (Suomalainen et al., 2007; Bhattacharya et al., 2012; Önder et al., 2012).