As control for amplifiable DNA in the stool specimens, primers targeting the 16S rRNA gene of enteric bacteria were used as described by Kato et al. Some current concepts in intestinal bacteriology. Intestinal flora in health and disease. Bradbury WC, Reid R, et al. Pantosti A, Menozzi MG, Frate A, Sanfilippo L, D'Ambrosio F, Malpeli M. Detection of enterotoxigenic Bacteroides fragilis and its toxin in stool samples from adults and children in Italy.
Bacteroides fragilis enterotoxin dramatically alter their morphology.
Association of Bacteroides fragilis with childhood diarrhea. Purification and characterization of an enterotoxin from Bacteroides fragilis. Microbial factors in the pathogenesis of Crohn's disease, ulcerative colitis, and experimental intestinal inflammation. Inflammatory bowel disease. Pantosti A, Cerquetti M, Colangeli R, D'Ambrosio F. Detection of intestinal and extraintestinal strains of enterotoxigenic Bacteroides fragilis by the HT-29 cytotoxicity assay.