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Dysbiosis of bifidobacteria and Clostridium cluster XIVa in the cystic fibrosis fecal microbiota.
MedLine Citation:
PMID:  23151540     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: Recurrent antimicrobial interventions and disease-related intestinal dysfunction are suspected to contribute to the dysbiosis of the gastrointestinal microbial ecosystem in patients with cystic fibrosis (CF). The present study set out to detect and identify microbial discriminants in the gut microbiota composition that are associated with CF-related intestinal dysbiosis. METHODS: An in-depth description of CF-associated gut dysbiosis was obtained by screening denaturing gradient gel electrophoresis (DGGE) fingerprints for potentially discriminating bacterial species, and quantification by means of real-time PCR analyses using group-specific primers. RESULTS: A total of 8 DGGE band-classes assigned to the genus Bifidobacterium (n=3), and members of Clostridium clusters XIVa (n=3) and IV (n=2), were significantly (p<0.05) underrepresented in samples of patients with CF. Real-time PCR analyses confirmed a significantly lower abundance and temporal stability of bifidobacteria and Clostridium cluster XIVa in the fecal microbiota of patients with CF. CONCLUSION: This study is the first to report specific microbial determinants of dysbiosis in patients with CF.
Authors:
Gwen Duytschaever; Geert Huys; Maarten Bekaert; Linda Boulanger; Kris De Boeck; Peter Vandamme
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-11-11
Journal Detail:
Title:  Journal of cystic fibrosis : official journal of the European Cystic Fibrosis Society     Volume:  -     ISSN:  1873-5010     ISO Abbreviation:  J. Cyst. Fibros.     Publication Date:  2012 Nov 
Date Detail:
Created Date:  2012-11-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101128966     Medline TA:  J Cyst Fibros     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 European Cystic Fibrosis Society. Published by Elsevier B.V. All rights reserved.
Affiliation:
Laboratory of Microbiology, Faculty of Sciences, Ghent University, K.L. Ledeganckstraat 35, 9000 Ghent, Belgium.
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