PTPA and infection: For instance, both M. tuberculosis and P. aeruginosa have been reported to induce ferroptosis within macrophages and bronchial epithelium cells, respectively.[13a,c] Certain bacterial components, such as Tyrosine phosphatase A (PtpA) and lipoxygenase (pLoxA), have been pinpointed as ferroptosis triggers in infections by these bacteria.