Host Microbiome Interactions
Host Microbiome Interactions - Related Videos
12:22
Biomimetic Materials to Characterize Bacteria-host Interactions
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Cited by 8 •
2015
Bacterial attachment to host cells is a key step during host colonization and infection. This protocol describes the generation of polymer-coupled recombinant adhesins as biomimetic materials which allow analysis of the contribution of individual adhesins to these processes, independent of other bacterial factors.
04:06
Assessing Bacteria-Host Cell Interactions Using Biomimetic Beads
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2025
Source: Stones, D. H., et al. Biomimetic Materials to Characterize Bacteria-host Interactions. J. Vis. Exp. (2015)This video demonstrates the use of bacteriomimetic beads to quantify bacterial adhesion to host epithelial cells under competitive conditions. It outlines the steps involved in treating the cells, lysing them, and plating serial dilutions to measure colony-forming units.
09:52
A Clinical Metaproteomics Workflow Implemented within Galaxy Bioinformatics Platform to Analyze Host-Microbiome Interactions Underlying Human Disease
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2025
Clinical metaproteomics offers insights into the human microbiome and its contributions to disease. We harnessed the computational power of the Galaxy platform to develop a modular bioinformatics workflow that facilitates complex mass spectrometry-based metaproteomic analysis and characterization of diverse clinical sample types relevant to studies of disease.
13:56
A Comparative Approach to Characterize the Landscape of Host-Pathogen Protein-Protein Interactions
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Cited by 4 •
2013
This article focuses on the identification of high-confident interaction datasets between host and pathogen proteins using a combination of two orthogonal methods: yeast two-hybrid followed by a high-throughput interaction assay in mammalian cells called HT-GPCA.
02:14
Preparation of Streptococcus mitis Culture for Host-Pathogen Interaction Studies
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2025
Source: Naji, A., et al. Studying Oxidative Stress Caused by the Mitis Group Streptococci in Caenorhabditis elegans. J. Vis. Exp. (2019).This video demonstrates the method for culturing Streptococcus mitis under microaerophilic conditions using Todd-Hewitt Yeast Extract, or THY agar medium, to prepare bacterial cultures for host-pathogen interaction studies.
FAQs
Microorganisms communicate with host cells through surface molecules and metabolites, which allow microbial activity to influence host responses without requiring direct cellular contact in every exchange. These signals can affect immune system maturation, nutrient processing, pathogen resistance, and tissue function. Studying these communication routes helps explain how microbial communities contribute to both normal biology and disease-related changes.
The host shapes microbial communities through several forms of control, including immune responses, nutrient availability, and physical barriers. The intestinal epithelium is especially important because it separates microbial communities from underlying tissues while participating in host-microbe exchange. Together, these controls influence which microorganisms persist and how their activities affect host health and tissue function.
The intestinal epithelium serves as a physical barrier while also helping organize exchanges between microbes and host tissues. Its position allows the host to regulate microbial access through barrier function, immune activity, and nutrient availability. This makes the epithelium relevant to pathogen resistance, nutrient processing, and the maintenance or disruption of normal tissue function.
A disruption in the microbial community can alter the exchanges that normally support immune development, nutrient processing, pathogen resistance, and tissue function. Because these activities depend on communication between microbial molecules, metabolites, and host cells, imbalance may be associated with disorders and impaired health. Research therefore examines microbial imbalance as a possible contributor to disease-related biology.
Research in this area can reveal how microbial communities influence host development, immune system maturation, nutrient processing, pathogen resistance, and tissue function. Investigators can also examine how host barriers, immune responses, and available nutrients shape those communities. These findings provide biological context for disorders associated with microbial imbalance and help identify strategies for restoring host health.
Knowledge of microbial communication and host regulation supports the development of probiotics, microbiome-targeted therapies, and other approaches intended to maintain or restore host health. Their relevance comes from the possibility of influencing microbial communities or the exchanges they have with host cells. This research connects basic biology with strategies aimed at addressing health changes associated with microbial imbalance.