Table 6.

Reported taxonomical changes (phylum and genus level) in SBS patients or animal models.

				Phylum		Genera
Human/animal (number)	SBS type	Surgical procedure	Control condition	Relative increase in SBS	Relative decrease in SBS	Relative increase in SBS	Relative decrease in SBS	References
Human (five/group)
	II	Jejuno–colonic anastomosis	Healthy control	Pseudomonadota	Bacillota Bacteroidota	Proteus Klebsiella Streptococcus Megasphaera	Blautia Dorea Lachnospira Anaerostipes Fusicatenibacter Roseburia Pseudobutyrivibrio Flavonifractor Faecalibacterium Bacteroides	Huang et al. (2017)
	III	Jejuno–ileal anastomosis	Healthy control	Bacteroidota	–	Lactobacillus Prevotella	Blautia Dorea Lachnospira Anaerostipes Fusicatenibacter Roseburia Pseudobutyrivibrio Flavonifractor Faecalibacterium Bacteroides
Human (11 patients, eight controls)	II	Jejuno–ileal anastomosis	Colonoscopy patients	–	–	Lactobacillus	Clostridium spp.	Joly et al. (2010)
Rat (five/group)	II	Ileocecum resection and jejuno-colostomy	Transection and reanastomosis without small bowel removal	Bacillota Pseudomonadota Actinomycetota	Bacteroidota Verrucomicrobia Tenerictes Deferrribates TM7 Unclassified phyla	Proteus	Bacteroides Odoribacter Prevotella Coprococcus Dorea Oscillospira Ruminococcus Clostridium Akkermansia	Hu et al. (2021)
Rat (10/group)
	II	75% small intestinal resection, ileo–cecal junction resected	Transection and reanastomosis without small bowel removal	Pseudomonadota Fusobacteriota	Bacteroidota Actinomycetota Verrucomycrobia	Lactobacillus Escherichia–Shigella Klebsiella Proteus Pasteurella	Akkermansia Blautia Butyrivibrio Lachnoclostridium Roseburia Anaerotruncus Butyricicoccus Flavonifractor Ruminiclostridium Allobaculum Desulfovibrio	Huang et al. (2020)
	III	75% small bowel resection, ileo–cecal junction preserved	Transection and reanastomosis without small bowel removal	Fusobacteriota	Bacillota, Veruucomicrobia	–	–