Table 1.

The differences between phyla, genus, and species between healthy papulation and CRC patients

Healthy sample			Tumor sample
Phylum	Genus	Species	Phylum	Genus	Species	Refs.
Firmicutes Bacteriodetes Actinobacteria	Faecalibacterium Prevotella	B. vulgatus F. prausnitzii	Fusobacteria Proteobacteria Spirochaetes	Fusobacterium Treponema	B. fragilis F. nucleatum	[11]
Firmicutes	Agathobacter Anaerostipes Butyricicoccus A Butyrivibrio A CAG-41 Eubacterium G Eubacterium R Faecalibacterium Lachnospira GCA-900066135 TF01-11 UBA11524	A. hadrus B. catenulatum F. saccharivorans F. prausnitzii A. rectalis A. faecis	Bacteroidota Desulfobacterota Fusobacteriota	Anaerotignum Bilophila Bulleidia Flavonifractor Gemella Intestinimonas Parvimonas Peptostreptococcus Porphyromonas Prevotella Ruthenibacterium	E. coli D P. distasonis B. fragilis A. finegoldii A. onderdonkii A. muciniphila B. thetaiotaomicron M. torques R. gnavus Porphyromonas species	[12]
Bacteriodetes Firmicutes Actinobacteria	Faecalibacterium Prevotella	NA	Proteobacteria Fusobacteria	Bacteroides Escherichia Sutterella	NA	[13]
Firmicutes Actinobacteria Bacteriodetes	Bacteroides Blautia Faecalibacterium	F. prausnitzii B. faecis S. termitidis A. shahii B. uniformis	Fusobacteriota Proteobacteria	Fusobacterium Prevotella Parvimonas	F. nucleatum C. Koseri T. socranskii L. trevisanii	[14]
Firmicutes Actinobacteria	Bacillus Lactococcus Acinetobacter Pseudomonas Parabacteroides	NA	Bacteriodetes Proteobacteria Fusobacteria	Fusobacterium Prevotella Alloprevotella Porphyromonas Peptostreptococcus Parvimonas	NA	[15]
Firmicutes Euryarchaeota Spirochaetes	Prevotella Faecalibacterium Lactobacillus Parabacteroides	NA	Fusobacteria Proteobacteria Bacteriodetes	Bacteroides Fusobacterium Bifidobacterium Streptococcus Halomonas Sphingomonas	NA	[16]