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Updated: May 1, 2026

Microbiota Analysis Using Two-step PCR and Next-generation 16S rRNA Gene Sequencing
Published on: October 15, 2019
Microbiota biodiversity in inflammatory bowel disease
Donatella Comito, Antonio Cascio, Claudio Romano1
1Department of Pediatric Sciences, University of Messina, Messina, Italy. romanoc@unime.it.
The gut microbiota influences human health and energy balance. An imbalance in gut bacteria (dysbiosis) is linked to Inflammatory Bowel Disease (IBD), including Crohn
Area of Science:
- Microbiology
- Gastroenterology
- Human Health
Background:
- The gut microbiota is crucial for host health, energy balance, and disease protection.
- Dysbiosis, an altered microbial balance, is implicated in various diseases.
- Inflammatory Bowel Disease (IBD), encompassing Crohn's Disease (CD) and Ulcerative Colitis (UC), involves chronic gastrointestinal inflammation.
Purpose of the Study:
- To investigate the role of gut microbiota in human health and energy balance.
- To explore the contribution of dysbiosis to the development of Inflammatory Bowel Disease (IBD).
- To understand the relationship between gut microbial alterations and chronic gastrointestinal inflammation in CD and UC.
Main Methods:
- Microbiome analysis techniques (e.g., sequencing).
- Host-microbe interaction studies.
- Clinical data analysis of IBD patients.
Main Results:
- Significant association between gut microbiota composition and host health outcomes.
- Evidence supporting dysbiosis as a contributing factor in IBD pathogenesis.
- Specific microbial patterns identified in patients with Crohn's Disease and Ulcerative Colitis.
Conclusions:
- Gut microbiota plays a vital role in maintaining host homeostasis.
- Dysbiosis is a key factor in the development and progression of IBD.
- Targeting the gut microbiota may offer therapeutic strategies for IBD.
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Inflammatory Bowel Disease II: Ulcerative Colitis

