LGT	Lower gastrointestinal tract
UAT	Upper aerodigestive tract
IBS	Irritable bowel syndrome
IBD	Inflammatory bowel disease
SCFA	Short-chain fatty acid
TNF-alpha	Tumor necrosis factor alpha
IL-6	Interleukin 6
LPS	lipopolysaccharide
PAMPS	Pathogen-associated molecular patterns
TLR-2,4	Toll-like receptor-2,4
TMAO	Trimethylamine N-oxide
MERFISH	Multiplexed error-robust fluorescence in situ hybridization
PRRs	Pattern-recognition receptors
FMT	Fecal microbiota transplant