Autotransporters are a superfamily of proteins that were thought to contain all of the functional elements required for their delivery, via the type V secretion pathway, to the outer membrane of Gram-negative bacteria. In this Review, Leyton, Rossiter and Henderson describe how recent studies have challenged the perceived simplicity of this secretion pathway.
- Denisse L. Leyton
- Amanda E. Rossiter
- Ian R. Henderson
