Probiotic Yeast Transformation
Probiotic Yeast Transformation - Related Videos
12:12
Transformation of Probiotic Yeast and Their Recovery from Gastrointestinal Immune Tissues Following Oral Gavage in Mice
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Cited by 2 •
2016
Presented here is a unified description of techniques that can be used to develop, transform, administer, and test heterologous protein expression of the probiotic yeast Saccharomyces boulardii.
08:30
Yeast Transformation and Cloning
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2023
S. cerevisiae are unicellular eukaryotes that are a commonly-used model organism in biological research. In the course of their work, yeast researchers rely upon the fundamental technique of transformation (the uptake of foreign DNA by the cell) to control gene expression, induce genetic deletions, express recombinant proteins, and label subcellular structures. This video provides an overview of how and why yeast transformation is carried out in the lab. The important features of yeast...
05:34
Oral Delivery of Transformed Yeast Cells into the Mouse Intestinal Immune System
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2025
This video showcases the oral administration of transformed yeast cells into a mouse model. The transformed yeast cells are orally administered using a gavage technique, reaching the mouse's stomach. Later, the cells migrate to the small intestine, where microfold cells engulf them and facilitate their transfer to Peyer's patches and gain access to the intestinal immune system.
08:38
Novel Production Protocol for Small-scale Manufacture of Probiotic Fermented Foods
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Cited by 14 •
2016
A production protocol is described for the small-scale production of probiotic fermented dairy drink with the aid of a novel bacterial starter culture.
09:20
Investigating the Effects of Probiotics on Pneumococcal Colonization Using an In Vitro Adherence Assay
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Cited by 8 •
2014
In vitro adherence assays can be used to study the attachment of Streptococcus pneumoniae to epithelial cell monolayers and to investigate potential interventions such as the use of probiotics for inhibiting pneumococcal colonization.
FAQs
Electroporation and chemical treatment serve as alternative entry routes for recombinant DNA, but the overview does not specify that one is universally superior. Their shared objective is to place the introduced sequence inside yeast cells so it can be selected, verified, and potentially expressed. The choice therefore becomes an experimental variable when developing a strain for health-related research.
Selection narrows the population to cells that carry the introduced sequence, whereas verification checks whether those cells maintain and express it. These stages are important because DNA delivery alone does not establish a useful transformed probiotic yeast strain. Together, they connect the initial genetic change with a population suitable for subsequent immune or infection studies.
Stability asks whether the modified yeast maintains the introduced sequence and its expression, while immune-effect assessment examines how the engineered strain may influence host responses. These properties address different risks and research questions. Evaluating both is essential when a strain is intended to interact with mucosal immunity or affect responses to pathogens.
A supported workflow begins by delivering recombinant DNA into a beneficial yeast strain through electroporation or chemical treatment. Cells are then subjected to selection, followed by verification that the introduced sequence is maintained and expressed. The resulting strain can undergo further assessment of stability, safety, and immune effects before use in immunology or infection research.
Engineered probiotic yeasts can function as models for examining host-microbe interactions or as potential vehicles for producing molecules that influence mucosal immunity and pathogen responses. These applications connect genetic modification with questions about microbial therapies and disease biology. Their value depends on determining whether the engineered traits remain stable and produce acceptable immune effects.
In this field, transformed strains provide a way to study how beneficial yeasts interact with host defenses and how engineered products may affect responses to pathogens. They also support exploration of microbial therapies that act at mucosal sites. Careful safety and immune-effect assessment remains necessary because the modified organism may directly engage host-microbe interactions.