Dr Philip Smith, Digital and Education Editor of Gut and Consultant Gastroenterologist at the Royal Liverpool Hospital interviews Professor Inga Peter, who is a Professor in the Department of Genetics and Genomic Sciences, Mount Sinai School of Medicine, New York, on "Infants born to mothers with IBD present with altered gut microbiome that transfers abnormalities of the adaptive immune system to germ-free mice" published in paper copy in Gut in January 2020. Link to the paper: https://gut.bmj.com/content/69/1/42