REAGENT or RESOURCE	SOURCE	IDENTIFIER
Bacterial and Virus Strains
Escherichia coli LF82	Gift of Daniel Mucida	N/A
Enterococcus faecalis OG1RF	Gift of Daniel Mucida	N/A
Lactobacillus plantarum WCFS1	Gift of Daniel Mucida	N/A
Faecalibacterium prausnitzii A2-165	Gift of Daniel Mucida	N/A
Bifidobacterium longum ATCC 15707	Gift of Daniel Mucida	N/A
Bacteroides vulgatus ATCC 8482	Gift of Daniel Mucida	N/A
Ruminococcus gnavus ATCC 29149	Gift of Daniel Mucida	N/A
Chemicals, Peptides, and Recombinant Proteins
tyramine	Alfa Aesar	CAT#: A12220
tryptamine	Alfa Aesar	CAT#: A11030
12-methyltetradecanoic acid	ChemCruz	CAT#: sc-213601
cis-9,10-methylenehexadecanoic acid	Avanti Polar Lipids, Inc.	CAT#: 857500C
cadaverine	Sigma Aldrich	CAT#: C8561
nicotinic acic	Sigma Aldrich	CAT#: N4126
hydrocinnamic acid	Sigma Aldrich	CAT#: 135232
phenol-D6	Cambridge Isotope Laboratories	CAT#: DLM-370-5
palmitic acid-d31	Cambridge Isotope Laboratories	CAT#: DLM-215
Critical Commercial Assays
ZymoBIOMICS DNA/RNA Miniprep Kit	ZYMO Research	CAT#: R2002
PathHunter screen	Eurofins DiscoverX	N/A
Deposited Data
Protein expression data	Human Protein Atlas (Uhlén et al., 2015)	https://www.proteinatlas.org
Human Microbiome Project Genome Database	Human Microbiome Project Consortium, 2012	https://hmpdacc.org
Experimental Models: Organisms/Strains
Germ free C57BL/6 mice	Gnotobiotic facility and Microbiome Translational Center	N/A
Oligonucleotides
27F: AGAGTTTGATCMTGGCTCAG	Integrated DNA Technologies	N/A
1492R: GGTTACCTTGTTACGACTT	Integrated DNA Technologies	N/A
Escherichia coli LF82 FWD: GTTAATACCTTTGCTCATTGA	Integrated DNA Technologies	N/A
Escherichia coli LF82 REV: ACCAGGGTATATAATCCTGTT	Integrated DNA Technologies	N/A
Enterococcus faecalis OG1RF FWD: CCCTTATTGTTAGTTGCCATCATT	Integrated DNA Technologies	N/A
Enterococcus faecalis OG1RF REV: ACTCGTTGTACTTCCCATTGT	Integrated DNA Technologies	N/A
Lactobacillus plantarum WCFS1 FWD: AGCAGTAGGGAATCTTCCA	Integrated DNA Technologies	N/A
Lactobacillus plantarum WCFS1 REV: CACCGCTACACATGGAG	Integrated DNA Technologies	N/A
Faecalibacterium prausnitzii A2-165 FWD: CCCTTCAGTGCCGCAGT	Integrated DNA Technologies	N/A
Faecalibacterium prausnitzii A2-165 REV: GTCGCAGGATGTCAAGAC	Integrated DNA Technologies	N/A
Bifidobacterium longum ATCC 15707 FWD: GGGTGGTAATGCCGGATG	Integrated DNA Technologies	N/A
Bifidobacterium longum ATCC 15707 REV: TAAGCGATGGACTTTCACACC	Integrated DNA Technologies	N/A
Bacteroides vulgatus ATCC 8482 FWD: GGTGTCGGCTTAAGTGCCAT	Integrated DNA Technologies	N/A
Bacteroides vulgatus ATCC 8482 REV: CGGAYGTAAGGGCCGTGC	Integrated DNA Technologies	N/A
Ruminococcus gnavus ATCC 29149 FWD: CGGTACCTGACTAAGAAGC	Integrated DNA Technologies	N/A
Ruminococcus gnavus ATCC 29149 REV: AGTTTYATTCTTGCGAACG	Integrated DNA Technologies	N/A
Software and Algorithms
Prism 7	Graphpad	https://www.graphpad.com/scientific-software/prism/
XCalibur	Thermo Scientific	https://www.thermofisher.com/order/catalog/product/OPTON-30487
MassLynx	Waters Instruments	https://www.waters.com/waters/en_US/MassLynx-Mass-Spectrometry-Software-/nav.htm?cid=513164&locale=en_US
MassHunter	Agilent Technologies	https://www.agilent.com/en/products/software-informatics/masshunter-suite/masshunter/masshunter-software
TraceFinder	Thermo Scientific	https://www.thermofisher.com/order/catalog/product/OPTON-30491
MestReNova	Mestrelab Research	https://www.mestrelab.com