To map the differences in virulence and disease-causing ability between the various subspecies of salmonella, for example, researchers need to sequence the DNA of the bacterial cells on the ...

He and a colleague proved a theory advanced by the Nobel Prize winners James Watson and Francis Crick, who discovered DNA’s ...

Neutrophils are the most abundant type of immune cell and serve as the immune system's first responders. One of their key ...

Humans have been getting infected by ancient bacteria and viruses for at least 37,000 years. Now, for the first time, ...

In the vast and often unseen world of microscopic life, a recent discovery may force scientists to rethink what it means to ...

A study of twins reveals two gut bacteria linked to multiple sclerosis, offering new targets for future treatments.

This is because your gut is home to trillions of bacteria – in fact, bacterial cells in your body outnumber human cells by ...