Coxiella burnetii, the agent of Q fever, is the only organism known to survive in an acidic lysosome of its host cells. Why haven’t other intracellular bacteria developed this skill?
Since our Talmudic Question #155 was answered almost instantly after it went online (see comments below) we thought we might as well come up with another (TQ #156)
by Samantha Kwah:
Is there any bacterium that absolutely requires attachment to a surface for survival?