Saccharomyces boulardii : What Makes It Tick as Successful Probiotic?

Journal of Fungi
Pedro PaisMiguel C Teixeira

Abstract

Saccharomyces boulardii is a probiotic yeast often used for the treatment of GI tract disorders such as diarrhea symptoms. It is genetically close to the model yeast Saccharomyces cerevisiae and its classification as a distinct species or a S. cerevisiae variant has long been discussed. Here, we review the main genetic divergencies between S. boulardii and S. cerevisiae as a strategy to uncover the ability to adapt to the host physiological conditions by the probiotic. S. boulardii does possess discernible phenotypic traits and physiological properties that underlie its success as probiotic, such as optimal growth temperature, resistance to the gastric environment and viability at low pH. Its probiotic activity has been elucidated as a conjunction of multiple pathways, ranging from improvement of gut barrier function, pathogen competitive exclusion, production of antimicrobial peptides, immune modulation, and trophic effects. This review summarizes the participation of S. boulardii in these mechanisms and the multifactorial nature by which this yeast modulates the host microbiome and intestinal function.

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Citations

Dec 9, 2020·Journal of Applied Microbiology·Mayana Rodrigues S RibeiroMaria Aparecida Gomes
Dec 16, 2020·Journal of Fungi·Theresa P T NguyenChristian Wong
Jul 3, 2021·Foods·Adam Staniszewski, Monika Kordowska-Wiater
Jul 13, 2021·Frontiers in Microbiology·Orlando VargasPaola Navarrete
Aug 27, 2021·Frontiers in Pharmacology·Maria Priscila SaracinoDaniel Horacio González Maglio
Jan 31, 2022·Journal of Applied Microbiology·Jyoti Prakash Tamang, Sonam Lama

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Methods Mentioned

BETA
electrophoresis
RSA3
environmental stress

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