The gut bacterium Bacteroides fragilis has long presented researchers with a paradox. It has been associated with colorectal cancer, yet it also lives quite happily in most healthy people. A study by ...

An oncologist explains the findings.

Add Yahoo as a preferred source to see more of our stories on Google. A newly discovered virus hiding inside common gut bacteria may be linked to colorectal cancer, according to new research.

Pseudomonas bacteria infected by different mutations of a jumbo phage. The dot in the middle is the shield created by the phage to protect its DNA after it has infected the bacterial cell. Image by ...

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 ...

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 ...