Table 1.

List of major bacterial phyla and species in human gut microbiota.

Phyla	Species	References
Bacteriodetes	Bacteriodes, Prevoetella and Xlanibacter	[12]
Firmicutes	Ruminococcus, Clostridium; Lactobacillus and Enterococcus	[13]
Actinobacteria	Bifidobacterium	[14]
Proteobacteria	Escherichia and Enterobacteriaceae	[15]
Verrucomicrobia	Akkermansia muciniphila	[16]