Related Experiment Video
Updated: Jun 8, 2026
12:12
Transformation of Probiotic Yeast and Their Recovery from Gastrointestinal Immune Tissues Following Oral Gavage in Mice
Published on: February 8, 2016
[Recent advances in Saccharomyces boulardii research]
1Section of Inflammatory Bowel Disease and Inflammatory Bowel Disease Center, Division of Digestive Diseases, David Geffen School of Medicine, University of California-Los Angeles, CA 90095, United States.
Gastroenterologie Clinique Et Biologique
|October 5, 2010
Summary
Saccharomyces boulardii (S. boulardii) effectively treats diarrhea by inhibiting harmful bacteria and toxins. This probiotic also reduces inflammation and supports gut health, offering a comprehensive approach to diarrheal conditions.
Area of Science:
- Microbiology
- Immunology
- Gastroenterology
Context:
- Saccharomyces boulardii (S. boulardii) is a widely used probiotic for diarrheal conditions.
- Its efficacy is recognized in both pediatric and adult populations.
- It is particularly noted for its role in managing Clostridium difficile-associated infections.
Purpose:
- To review the multifaceted mechanisms of action of S. boulardii.
- To elucidate its effects on inflammatory and non-inflammatory diarrheal diseases.
- To provide molecular insights into its therapeutic benefits.
Summary:
- S. boulardii inhibits pathogenic bacterial products and toxins, including degrading Clostridium difficile toxin A.
- It modulates host inflammatory pathways by suppressing pro-inflammatory cytokines (e.g., NF-κB, MAP kinases) and promoting anti-inflammatory molecules (e.g., PPAR-γ).
- The probiotic exerts trophic effects on the intestinal mucosa, improves fecal biostructure, and may influence T cell activity relevant to Inflammatory Bowel Disease (IBD).
Impact:
- Provides a comprehensive understanding of S. boulardii's probiotic actions.
- Highlights its potential in managing diverse diarrheal disorders and inflammatory gut conditions.
- Offers molecular targets for future therapeutic strategies in gastroenterology.
Related Concept Videos
01:22Bioreactor Controls-III
Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
01:25Microbes in Beverage Production
Alcoholic beverages such as wine, beer, and spirits are the products of microbial fermentation processes that transform simple sugars into ethanol and a wide array of complex flavor compounds. These transformations rely on the metabolic activities of specific yeasts and bacteria, which are selected and controlled to yield the desired beverage characteristics.Wine Fermentation and MaturationWine production begins with the crushing of grapes to release juice and pulp, forming a must that is...
01:29Microbes in Food Production
Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
01:27Production of Alcohol
Continuous fermentation is a key strategy in industrial ethanol production, particularly when efficiency, scalability, and high yields are essential. This approach allows for uninterrupted operation and optimized resource utilization. The primary feedstock, corn starch, undergoes enzymatic hydrolysis facilitated by α-amylase and glucoamylase. These enzymes break down the starch into fermentable sugars such as glucose, which are readily assimilated by fermentative microorganisms.Fermentation...
01:27Microbes in the Production of Fermented Foods
Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...
01:23Microbial Fermentation
Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...