Prokaryotes are unicellular organisms that lack membrane-bound structures. This article details the structure of prokaryotic cells and provides examples of prokaryotic organisms.

Novel technique to measure forces produced by microorganisms as they move without harming them hopes to shine light on how bacteria move.

Bacteria are able to build camouflaged homes for themselves inside healthy cells. A team that revealed how a pair of proteins from the bacteria Legionella pneumophila, which causes Legionnaires ...

Yu and his research group have just described two structures and mechanisms – efflux pumps and reinforced cell walls – that certain disease-causing bacteria use to keep antibiotics away. That ...

A protein that makes the building blocks of DNA appears to work differently in humans than it does in bacteria. This could be good news for the development of new antibiotics.

Long dismissed as featureless, disorganized sacks, bacteria are now revealing a multitude of elegant internal structures. Ewen Callaway investigates a new field in cell biology.

Researchers from the University of Maryland School of Medicine and their colleagues have identified the structure of the most lethal toxin produced by certain strains of Clostridium difficile ...

In a slow, invisible process, leaves, wood and roots are gradually decomposed—not by wind or weather, but by millions and millions of tiny organisms.