Authors: Akira Andoh Hirotsugu Imaeda Tomoki Aomatsu Osamu Inatomi Shigeki Bamba Masaya Sasaki Yasuharu Saito Tomoyuki Tsujikawa Yoshihide Fujiyama
Publish Date: 2011/01/21
Volume: 46, Issue: 4, Pages: 479-486
Abstract
Terminal restriction fragment length polymorphism TRFLP analysis is a powerful tool to assess the diversity of a microbial community In this study we performed TRFLP analysis of the fecal microbiota from patients with ulcerative colitis UC and those with Crohn’s disease CDThe fecal microbial communities were classified into 5 clusters Twentyeight of the 30 healthy individuals and 17 of the 18 patients with inactive UC were classified into clusters I II and III but these clusters included a small number of patients with active UC and inactive/active CD In contrast 8 of the 13 patients with active UC and the majority of CD patients 12 of the 16 patients with inactive CD and 11 of the 15 patients with active CD were included in clusters IV and V Based on the BslIdigested TRFLP database the bacteria showed a significant decrease in the Clostridium family in patients with active UC and inactive/active CD In contrast Bacteroides were significantly increased in CD patients No significant differences were observed between patients with active UC and those with active CDThe fecal microbial communities of IBD patients were different from those of healthy individuals The gut microbiota of patients with inactive UC tended to be closer to that of healthy individuals suggesting different roles for the fecal microbiota in the pathophysiology of UC and CD
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