Bacteria · Genus

Desulfovibrio

Opportunist A sulfate-reducing genus that makes hydrogen sulfide gas; enriched on high-fat, high-protein diets and studied in colitis and neurodevelopment.

Associated with these conditions

Autism spectrum (ASD) Elevated

Some studies report enrichment; mechanistic claims remain speculative.

Preliminary studies conflict

Diarrhea Irritable bowel syndrome(IBS) Reduced

Reported in HMDAD (1 cited study).

Moderate evidence

Inflammatory bowel disease (IBD) Associated with

Reported in Disbiome, Peryton.

Moderate evidence

Multiple sclerosis Associated with

Reported in Disbiome.

Preliminary

Colorectal cancer Associated with

Reported in Disbiome.

Preliminary

Rectal Carcinoma Associated with

Reported in Disbiome.

Preliminary

Transient Ischemic Attack Associated with

Reported in Disbiome.

Preliminary

Primary sclerosing cholangitis Associated with

Reported in Disbiome.

Preliminary

Irritable Bowel Syndrome Associated with

Reported in Disbiome, Peryton.

Moderate evidence

Parkinson’s disease Associated with

Reported in Disbiome.

Preliminary

Chronic alcoholic pancreatitis Associated with

Reported in Disbiome.

Preliminary

Alcoholic hepatitis Associated with

Reported in Disbiome.

Preliminary

Azoospermia Associated with

Reported in Disbiome.

Preliminary

Infantile eczema Associated with

Reported in Disbiome.

Preliminary

Autoimmune polyendocrine syndrome type 1 Associated with

Reported in Disbiome.

Preliminary

Inflammatory Bowel Disease Associated with

Reported in Disbiome.

Preliminary

Myasthenia gravis Associated with

Reported in Disbiome.

Preliminary

Microscopic colitis Associated with

Reported in Disbiome.

Preliminary

Adolescent idiopathic scoliosis Associated with

Reported in Disbiome.

Preliminary

Urogenital Schistosomiasis Associated with

Reported in Disbiome.

Preliminary

Metabolic syndrome Associated with

Reported in Disbiome.

Preliminary

Gestational diabetes Associated with

Reported in Disbiome.

Preliminary

Chronic kidney disease Associated with

Reported in Disbiome.

Preliminary

Helicobacter pylori infection Associated with

Reported in Disbiome.

Preliminary

Autism spectrum disorders Associated with

Reported in Disbiome.

Preliminary

High blood pressure Associated with

Reported in Disbiome.

Preliminary

Hepatitis B Associated with

Reported in Disbiome.

Preliminary

Invasive colorectal cancer Associated with

Reported in Disbiome.

Preliminary

Alcoholism Associated with

Reported in Disbiome.

Preliminary

Traumatic Brain Injury Associated with

Reported in Disbiome.

Preliminary

Coronary artery disease Associated with

Reported in Disbiome.

Preliminary

Colorectal Neoplasms Associated with

Reported in Peryton.

Preliminary

Rectal Neoplasms Associated with

Reported in Peryton.

Preliminary

Crohn Disease Associated with

Reported in Peryton.

Preliminary

Parkinson Disease Associated with

Reported in Peryton.

Preliminary

Pharyngeal Neoplasms Associated with

Reported in Peryton.

Preliminary

Stomach Neoplasms Associated with

Reported in Peryton.

Preliminary

Breast Neoplasms Associated with

Reported in Peryton.

Preliminary

Helps make

Hydrogen sulfide (H₂S)neurotransmitter

A gaseous signalling molecule from sulfate-reducing bacteria. At low levels it acts as a neuromodulator and protects the gut; in excess it damages the lining — a genuinely dose-dependent, double-edged signal.

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