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A study of antibody-producing B cells from patients who recovered from COVID-19 reveals a new cross-reactive antibody and what makes some B cells more effective at neutralizing the virus.

New techniques enable researchers to analyze rare cells in the gastrointestinal tract and find links to the immune system and various disorders

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.