A newly discovered virus hiding inside common gut bacteria may be linked to colorectal cancer, according to new research. Scientists in Denmark found that colorectal cancer patients were about twice ...

Penn State scientists uncovered an ancient bacterial defense where dormant viral DNA helps bacteria fight new viral threats. The enzyme PinQ flips bacterial genes to create protective proteins that ...

Cancer research has long looked at bacteria and viruses as separate tools for therapy. Now, researchers are showing that the two can actually work better together. A team of scientists has built a new ...

It’s peak cold and flu season in the northern hemisphere. These respiratory viruses and other infectious pathogens are spread through close contact and/or touching contaminated surfaces. Many people ...

Avian influenza can jump species from birds to humans, a fact that arouses concern for serious illness and broader human ...

As a general rule, most people want to avoid viruses, which are at the root of illnesses like colds, the flu, chickenpox and many a stomach bug. But what about a virus that doesn’t make people sick — ...

The idea that a single-celled bacterium can defend itself against viruses in a similar way as the 1.8-trillion-cell human immune system is still “mind-blowing” for molecular biologist Joshua W. Modell ...

Researchers at the Max Planck Institute for Biology Tübingen have shown that giant viruses long thought to exist only as fleeting, free-living particles that can embed themselves permanently in the ...

A team led by structural biologists at the University of Maryland, Baltimore County has produced the most detailed picture ...