Microbial secretion systems are at the core of bacterial physiology, facilitating processes such as protein export, ...

Type III secretion systems (T3SSs) are specialised multi-protein nanomachines employed by a broad spectrum of Gram-negative bacterial pathogens to inject effector proteins directly into eukaryotic ...

UMass Amherst biochemists are mapping the molecular structure of a needle-like tool used by bacteria to invade human and mammalian cells to cause such diseases as plague and dysentery. Of particular ...