Oxygen-Gradient Failure

Oxygen-Gradient Failure is one of the central mechanistic concepts inside the Host Capacity Model. It describes how a drop in epithelial oxygen consumption may allow oxygen to leak further into the lumen than usual, suppressing strict anaerobes and favouring facultative organisms. This is offered as a mechanistic reading for educational and discussion purposes. The page links to the supporting candidate upstream mechanisms and to the contradictions section of the framework audit so readers can see what would weaken the account.

Educational mechanistic concept: epithelial energy strain may degrade the colonic oxygen gradient and shift habitat conditions in the lumen. Offered for discussion of complex cases.

BiomeLogic concept page (educational): Oxygen-Gradient Failure within the Host Capacity Model. Proposes that reduced colonocyte oxygen consumption alters the luminal oxygen gradient, shifting microbial habitat conditions. Not a diagnosis.

Does not establish that any individual's gut symptoms are caused by oxygen-gradient changes. Does not establish a specific intervention.

BiomeLogic Framework Concept: "Oxygen-Gradient Failure." BiomeLogic. Last reviewed 2026-05-12. Available at: https://biomelogic.net/oxygen-gradient-failure. Educational systems-biology framework; not medical advice.

• Host Capacity Model →
• Colonocyte Bioenergetics →
• Dysbiosis Ecology →