Table 4.
AAM | Taxa | Study |
---|---|---|
Taurine | Alistipes HGB5, Alistipes finegoldii, Bacteroides xylanisolvens | [45] |
GABA | Bifidobacterium, Bacteroides, Lactobacillus; Lactobacillus brevis | [41,97] |
GABA, lactate | E. coli HT115-strain | [144] |
Serotonin | Candida, Streptococcus, Escherichia, Enterococcus, Pseudomonas | [135,184] |
Serotonin, dopamine, norepinephrine | Streptococcus, Enterococcus, Escherichia | [135] |
Serotonin, dopamine | Clostridiales incertae sedis | [150] |
Norepinephrine | Escherichia, Bacillus, Saccharomyces | [184] |
Dopamine | Bacillus | [184] |
Acetylcholine | Lactobacillus | [184] |
4EPS, p-cresol (sulphate) | Clostridium | [36,140,142] |
P-cresol (sulphate) | Clostridiaceae (Clostridium I, IV, IX, XI, XIII, XIVa, XVI), Bacteroidaceae, Coriobacteriaceae | [109,137] |
P-cresol, phenylacetylglutamine | Oscillospira, Ruminococcus, Mogibacteriaceae, Christensellaceae, Clostridiales, Akkermansia | [132] |
Dextrorphan O-glucuronide, 3-methyldioxyindole(F4) | Christensenella, Candidatus arthromitus | [150] |
“TRYP6” (Kynurenine, quinolinate, indole, IAA, IPA, tryptamine) |
Actinobacteria, Firmicutes, Proteobacteria, Bacteroidetes, Fusobacteria | [135] |
Quinolinate, indole, IAA, IPA, tryptamine | Clostridium | [135] |
Kynurenine, quinolinate, indole, IAA, IPA | Burkholderia | [135] |
Kynurenine, quinolinate, IAA, tryptamine | Streptomyces, Pseudomonas, Bacillus | [135] |
IAA | Bacillus, Klebsiella, Ralstonia, Staphylococcus | [135] |
Indole | Bacteroides, Citrobacter, Clostridium_XIX, Desulfitobacterium, Edwardsiella, Escherichia, Fusobacterium, Providencia, Shigella | [135] |
Parabacteroides distasonis, Megasphaera massiliensis E. coli |
[87] [155] |
|
IPA | Clostridium, Escherichia, Proteus | [135] |
Kynurenine | Pseudomonas, Bacillus, Burkholderia, Streptomyces | [135] |
Quinolinate | Klebsiella, Bacillus, Burkholderia | [135] |
Tryptamine | Holdemania, Tyzzerella, Desulfovibrio, Yersinia, Bacillus, Clostridium, Ruminococcus | [135] |
Indole, indoxyl-(3)-sulphate, IPA, indole-(3)-aldehyde | Lactobacillus reuteri | [182] |
GABA = gamma-aminobutyric acid; TRYP6 = six Trp metabolism pathways generating the neuroactive metabolites in brackets (“); 4EPS = 4-ethylphenylsulfate; IAA = indole-acetic acid; IPA = indole-propionic acid. References are listed as numbers in brackets.