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. Author manuscript; available in PMC: 2022 Jul 1.
Published in final edited form as: Front Neuroendocrinol. 2021 May 4;62:100917. doi: 10.1016/j.yfrne.2021.100917

Table 1:

Microorganisms, anatomical sites, and associated psychiatric disorders.

Microorganism Type Anatomical sites Psychiatric Disorders
Lactobacillus fermentum Commensals Gut AD
Lactobacillus acidophilus AD, ASD
Lactobacilli
Roseburia inulinivorans AN
Roseburia
Methanobrevibacter smithii
Ruminococcus AN, ASD
B. bifidum ASD
Bifidobacterium
Collinsella stercosis
LactoBacillus bulgaricus
Lactobacillus fermentum
Lactobacillus plantarum WCFS
Veillonella
Bifidobacterium adolescentis
Preveotella
Akkermansia BD
Faecalibacterium
Flavonifractor
Lachnospiraceae
Butyrivibrio MDD
Coprococcus
Dorea
Pseudobutyrivibrio
Lactobacillus phage phiadh SZ
Leptotrichia Gut, Oral Cavity SUD
Peptostreptococcus Gut, Oral cavity, Skin, Vagina
Propionibacterium acnes Gut, Skin AD
Corynebacterium Skin ASD, AD, MDD
Weeksellaceae SZ
Enterobacteria Pathogens Gut AD, ASD
Clostridium difficle
Enterobacter AD, MDD, ASD
Clostridium AN, ASD
Clostridium bolteae ASD
Klebsiella
Clostridium coccoides
Clostridium histolyticum
Escherichia coli
Alistipes MDD
Measles morbillivirus SZ
Saccharomyces cerevisiae Gut, Skin SZ
Streptococcus Oral cavity ADHD, ASD, BD, MDD
Neisseria ASD
Megasphaera ASD, SZ
Moraxella ASD, SZ, BD
Capnocytophaga SUD
Rothia
Capnocytophaga SZ
Haemophilus
Herpes simplex virus Oral cavity, Skin, Vagina
Cytomegalovirus Oral cavity, Urinary tract
Epstein–Barr virus Oral cavity, Vagina
Rubella Urinary tract
Candida albicans Vagina

Abbreviations- AD: Alzheimer’s disease, ADHD: Attention Deficit Hyperactivity Disorder, AN: Anorexia Nervosa, ASD: Autism Spectrum Disorder, BD: Bipolar Disorder, MDD: Major Depressive Disorder, Schizophrenia: SZ, SUD- Substance Use Disorder.