Ramnik Xavier

Researchers have discovered bacteria that break down cholesterol in the gut, potentially lowering blood cholesterol levels.

Two studies in mice reveal a cellular circuit that inhibits inflammation in the intestine and lungs.

Hundreds of thousands of colon cells offer new clues into what goes wrong in an inflammatory bowel disease and why some patients don’t respond to drugs 

The bacterium Ruminococcus gnavus produces an inflammatory polysaccharide that triggers an immune response during disease flare ups.

Better targeting for base editors, an expanding encyclopedia of cancer cell lines, molecular messengers in IBD, and more.

Invertons — bits of regulatory DNA that can flip between "on" and "off" positions — let bacteria adapt to their surroundings and are widespread.

A subset of intestinal stem cells communicate with T helper cells, which in turn may influence stem cells' state through the cytokines they produce.

A deep neural network algorithm called BOTA uses bacterial genomes to identify unrecognized bacterial antigens.