Streptococcus

Oligosaccharides from one mom wiped out a group B strep colony in culture.

M proteins from Streptococcus bacteria selectively kill mouse macrophages and human macrophage-like cells by prompting cell death.

A Streptococcus bacterium invades the placenta with the aid of a neutrophil-puncturing pigment.

Researchers construct a family tree of group A Streptococcus to trace the evolution of a “flesh-eating” strain.