Gillian Barlow

Microbiome science in the gut has focused on the study of colonic, and more frequently, fecal communities. While the upper gastrointestinal tract has significantly lower bacterial density than the colon, it still harbors a dynamic microbial community…

Hydrogen sulfide (H2S) is a gas produced by bacteria in the gastrointestinal tract (GI) that has many unique properties and is a known gasotransmitter. Recently, a new breath test (BT) has been developed that can measure H2S in addition to other bacterial gases…