Scientists have found that a common bacterium that usually lives in the mouth can help stomach cancer grow by feeding tumors with a substance they use as fuel. The discovery suggests that this ...

One of the most diverse ecosystems on the planet is closer than you think - right inside your mouth. Your mouth is a thriving ecosystem of more than 500 different species of bacteria living in ...

Marine microbes control the flux of matter and energy essential for life in the oceans. Among them, the bacterial group SAR11 accounts for about a third of all the bacteria found in surface ocean ...

Biochemists at Caltech have identified how viruses have converged on a method for killing bacteria. The researchers have homed in on an underexplored small transporter called MurJ that is a vital part ...

Scientists found an unexpected viral hitchhiker lurking inside a common gut bacterium – and it was twice as prevalent in people with colorectal cancer.

Antibiotic resistance is considered one of the most urgent health threats of our time. Common bacteria such as E. coli and Staphylococcus aureus are evolving defenses against the drugs doctors rely on ...

A toxin produced by bacteria found in dirty water kills off immune cells in the lining of the colon, meaning people whose guts are colonised by these bacteria are much more likely to develop a ...