BIRNA

Research

Microbiome

Microbial communities and their reciprocal relationship with their host.

Research library

Research articles

01

Experimental animal model · Editorial synthesis

Microbiota, microbiome and microbial ecology

Terminology shapes inference: microbial communities are ecological systems embedded in a host environment, not merely lists of detected organisms.

02

Experimental animal model · Longitudinal human protocol · Editorial synthesis

Microbial composition is not microbial function

Taxonomic profiles describe detected community composition; they do not directly establish metabolic output, mechanism or biological consequence.

03

Mechanistic · Experimental animal model · Editorial synthesis

The microbiota at the intestinal interface

Microbial communities, products and host responses meet across a structured luminal–mucus–epithelial interface shaped in both directions.

04

Mechanistic · Editorial synthesis

Microbial metabolites and host biology

A cautious mechanistic chain from dietary substrate through microbial transformation and metabolite exposure to possible host response.

Related ideas

Perspective · Regulation · Aug 25, 2026

Permeability is not the problem. Dysregulation is.

Health lies less in maintaining a fixed state than in a system’s capacity to regulate, adapt and recover. Intestinal permeability provides a biological starting point for asking when a response is appropriate—and when regulation becomes dysregulation.

Perspective · Living Boundaries · Aug 24, 2026

The intestinal barrier is not a wall.

Living Boundaries concerns the health of communication: how a boundary receives, sets limits and adapts according to context. The intestinal barrier is the biological starting point for that larger question.