The gut microbiota is increasingly recognized for playing a critical role in human health and disease, especially in conferring resistance to both virulent pathogens such as Salmonella, which infects 1.2 million people in the United States every year [1], and opportunistic pathogens like Candida,...

Gut-resident bacteria must withstand membrane-disrupting stresses such as bile acids to persist in the intestinal environment. The Bacteroidota are a dominant phylum of the human gut microbiota. However, the genes responsible for synthesis of membrane lipids in this phylum remain relatively uncha...