ABCG2 and peritonitis: The profile of blood bacteria was relatively constant before and after peritonitis induction.Genera Diaphorobacter, Rhodanobacter, Cloacibacterium, Escherichia/Shigella and Staphyococcus increased gradually in the blood following peritonitis induction.The enriched bacteria were functionally linked to ABC transporters, two-component systems, and oxidative phosphorylation.