How a bacterial virulence factor promotes its own secretion

In adhering to body cells, many bacteria cause disease. Antibiotics are the usual means for treating infection, but decades of use have led to increasing bacterial resistance. Therefore, scientists are looking at other strategies.

Reconstructing the cell surface in a test tube

Like the phenomena of flocking birds and shoaling fish, the dance of molecules across a cell's surface has long fascinated theorists, physicists and biologists alike. Unlike bird and fish behaviour, however, cell surface ...

A step closer to understanding fertilization

Researchers at Karolinska Institutet in Sweden have taken a step closer to understanding the mechanism that leads to the fusion of egg and sperm at fertilisation. Using the technique X-ray crystallography, they have determined ...

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