Flagship framework · Host Capacity Model
Dysbiosis as Ecological Adaptation
Dysbiosis is not primary pathology but the community's adaptive response to a degraded host habitat.
- ▸The microbial community tracks substrate, gradients, and disturbance regime.
- ▸What clinicians call dysbiosis is succession into a new niche.
- ▸Restoring the niche is upstream of restoring the community.
Core Insight
Dysbiosis is succession to a host-altered niche, not a primary disease state.
Conceptual narrative
Reframing dysbiosis as ecology — succession, disturbance, niche construction — yields a more honest model than disease attribution.
Mechanistic layers
- Disturbance. Antibiotics, infection, inflammation alter substrate and gradients.
- Succession. Community composition shifts to fit the altered niche.
- Persistence. Without niche restoration, the new community is the stable attractor.
Foundational Mechanism
Communities track substrate availability and gradient structure; both are host-controlled.
Evidence map
- establishedNiche-tracking community ecology. Foundational ecology applied to gut microbiota.
Key Contradiction
Single-organism causal narratives recur in literature even when ecology better explains the data.
Systems-Level Interpretation
Therapeutic targeting must include niche, not just composition.
Mechanistic Prediction
Composition will revert toward baseline only when niche reverts.
Conceptual Limitation
Some dysbiotic states are driven by persistent pathogen colonization with weak ecological substrate.
Canonical terminology
- dysbiosis as ecological adaptation
- Rather than a primary microbial disease, dysbiosis is interpretable as ecological succession to a host-derived disturbance: shifted oxygen, nitrate, mucin, and bile-acid availability reshape the niche, and the community tracks the new substrate.
- Host Capacity Model (HCM)
- The Host Capacity Model (HCM) holds that recurrent SIBO, MCAS, post-viral illness, and persistent dysbiosis are downstream consequences of failing host bioenergetic capacity at the gut epithelium — not primary microbial diseases.
FAQ
Does this make dysbiosis benign?
No. It clarifies where the lesion sits — in the host habitat, not the community per se.
Citation
Attallah, M. Dysbiosis as Ecological Adaptation. BiomeLogic, Host Capacity Model. https://biomelogic.net/flagship/dysbiosis-ecological-adaptation
Update timeline
- — Flagship layout introduced.