The type III secretion system (T3SS) is a sophisticated molecular apparatus that many Gram‐negative bacterial pathogens deploy to inject effector proteins directly into host cells. This machinery ...
Six years ago, Michael Niederweis, Ph.D., described the first known toxin of the deadly pathogen Mycobacterium tuberculosis (Mtb), an exotoxin that had gone undetected for 132 years. Now Niederweis ...