BilophilaColitisGram-Negative Anaerobic BacteriaColitis, UlcerativeDeltaproteobacteriaDesulfovibrionaceae InfectionsGram-Negative Anaerobic Straight, Curved, and Helical RodsIsethionic AcidCholesteatomaCysteic AcidBacteria, AnaerobicGram-Negative Bacterial InfectionsColitis, IschemicColitis, MicroscopicDextran SulfateColitis, CollagenousColonTrinitrobenzenesulfonic AcidColitis, LymphocyticCrohn DiseaseIntestinal MucosaInflammatory Bowel DiseasesMesalamine