Viruses attack nearly every living organism on Earth. To do so, they rely on highly specialized proteins that recognize and ...

Common gut bacteria use protein delivery systems to interact directly with human cells, reshaping how scientists view the ...

After nearly 40 years of research on how Listeria bacteria manipulate our cells and battle our immune system to cause listeriosis, Daniel Portnoy and his colleagues have discovered a way to turn the ...

A Dartmouth study finds that molecular hitchhikers living within bacteria can make their hosts extra resistant to medical ...

All complex life forms on Earth, including plants and animals, are made up of eukaryotic cells; they are more sophisticated than bacterial or archaeal cells, which are prokaryotic. Eukaryotes have ...

“For many cell-based therapies, progress comes from connecting the right pieces at the right moment,” Klein said. “When ...

In recent years, scientists have begun to reveal the myriad ways that gut microbes can impact our health; they have identified relationships between bacteria in the gastrointestinal tract and the ...

Biologists have uncovered a new mode of communication inside cells that helps bacterial pathogens learn how to evade drugs.

A new study finds that a trait helping a marine bacterium survive and flourish today may ultimately become its Achilles Heel as ocean conditions continue to shift.

Harvard immunologist Dennis Kasper and his colleagues have found that tiny changes in gut bacteria can flip the immune system from calm to inflamed, even when the microbes look harmless. Their work, ...

A bizarre bacteria has been discovered with an ability previously thought impossible for its kind. This strange discovery could shine a light on how some of our earliest single-celled ancestors formed ...