Tools for probing host-bacteria interactions in the gut microenvironment: From molecular to cellular levels

Area of Science:

• Microbiology
• Immunology
• Cell Biology

Background:

• Gut microenvironment health relies on intricate interactions between microbiome bacteria, host epithelial and immune cells, and surrounding tissues.
• Dysregulation of these cellular interactions is linked to various diseases.
• Studying these complex relationships requires advanced tools for mechanistic insights and therapeutic evaluation.

Purpose of the Study:

• To review cellular and molecular tools for investigating specific cell-microenvironment interactions within the gut.
• To provide an overview of methods for controlling and probing cell-cell and cell-matrix interactions.
• To support research in gut health, disease mechanisms, and therapeutic development.

Main Methods:

• Overview of transwell and microfluidic devices for controlling and probing cell-cell interactions.
• Discussion of engineered bacterial peptidoglycan fragments for modulating microbial interactions.
• Exploration of 3D scaffolds and chemical handles for studying cell-matrix interactions and in situ modifications.

Main Results:

• Identified and categorized key tools for dissecting gut cell-microenvironment dynamics.
• Highlighted methods applicable at both cellular and molecular levels.
• Provided a framework for selecting appropriate tools based on research questions.

Conclusions:

• A variety of advanced tools are available for detailed study of gut microenvironment interactions.
• These tools offer precise control and probing capabilities for cell-cell and cell-matrix dynamics.
• Further application of these methods will advance understanding of gut health and disease pathogenesis.