Condition

Alzheimer’s disease

46 associated organisms · Early research links a pro-inflammatory gut community to amyloid pathology, but this is a young, preliminary field.

Symptoms of Alzheimer’s disease can need medical evaluation. Treat these associations as background context only — please see a doctor rather than self-treating.
Organisms associated with Alzheimer’s disease
Overall diversity Community metric Reduced in Alzheimer’s disease
Community metric

Reduced diversity is reported, but Alzheimer’s microbiome research is young and largely associative.

Preliminary source: curated sample
Escherichia coli Opportunist Elevated in Alzheimer’s disease
Species

Pro-inflammatory Escherichia/Shigella are enriched in some cohorts and correlate with brain inflammation markers.

Preliminary source: curated sample
Escherichia Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Shigella Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Bacteroides fragilis Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Dialister Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Clostridium Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Turicibacter Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Adlercreutzia Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Blautia Commensal Associated with Alzheimer’s disease
Genus

Reported in Disbiome.

Preliminary source: curated sample
Bacteroides Commensal Associated with Alzheimer’s disease
Genus

Reported in Disbiome.

Preliminary source: curated sample
Alistipes Contested Associated with Alzheimer’s disease
Genus

Reported in Disbiome.

Preliminary source: curated sample
Phascolarctobacterium Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Bilophila Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Gemella Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Bacteroidetes Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Proteobacteria Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Ruminococcus Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Lachnospiraceae Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Clostridiaceae Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Veillonellaceae Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Lactobacillus Beneficial Associated with Alzheimer’s disease
Genus

Reported in Disbiome.

Preliminary source: curated sample
Dorea Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Parabacteroides Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Sutterella Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Paraprevotella Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Acinetobacter Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Halomonas Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Leucobacter Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Ochrobactrum Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Acidovorax Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Pseudomonas Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Propionibacterium Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Aliihoeflea Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Pannonibacter Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Glutamicibacter Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Ruminococcaceae Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Enterococcaceae Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Lactobacillaceae Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Bacteroidaceae Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Subdoligranulum Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
Lachnoclostridium Associated with Alzheimer’s disease
Taxon

Reported in Disbiome.

Preliminary source: curated sample
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