FMT	fecal microbiota transplantation
UC	ulcerative colitis
IBD	inflammatory bowel disease
RE	responders
NR	non-responders
CRP	C reactive protein
ESR	erythrocyte sedimentation rate
CMV	cytomegalovirus
BMI	body mass index
IECs	intestinal epithelial cells
IBS	irritable bowel syndrome
H&E	hematoxylin and eosin
OTUs	operational taxonomic units
RDP	ribosomal database project
PCA	principal component analysis
RDA	redundancy analysis
CDI	Clostridioides difficile infection
RCT	randomized clinical trial
SCFAs	short-chain fatty acids
LFD	low-fat high-fiber diet
iSAD	improved standard American diet
UCED	Ulcerative Colitis Exclusion Diet
aGvHD	Acute Graft versus Host Disease
allo-HSCT	allogeneic hematopoietic stem cell transplantation