M. tuberculosis passes the litmus test.
MacMicking
John D
JD
D001665:Binding Sites; D003545:Cysteine / Q000737:chemistry; D011992:Endosomes / Q000378:metabolism; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008247:Lysosomes / Q000378:metabolism; D008264:Macrophages / Q000382:microbiology*; D008954:Models, Biological; D009154:Mutation; D009169:Mycobacterium tuberculosis / Q000378:metabolism*; D018384:Oxidative Stress; D013696:Temperature; D014376:Tuberculosis / Q000382:microbiology*
D003545:Cysteine