Alternative activation of macrophages and induction of arginase are not components of pathogenesis mediated by Francisella species.
Virulent Francisella tularensis ssp tularensis is an intracellular, Gram negative bacterium that causes acute lethal disease following inhalation of fewer than 15 organisms.Pathogenicity of Francisella infections is tied to its unique ability to Pill Organizer evade and suppress inflammatory responses in host cells.It has been proposed that inducti