Table 8: Summary of reported associations of oral bacterial species with gastroenteric cancers and healthy control groups (*).

Phylum Genus/species GSCC HNSCC KCOT OC OMTC OPMD OSCC ESCC PC/
PDAC
PHC GAC CRC
Actinobacteria Rothia - - - [58] - - [63] [57] - - [77] - -
R. mucilaginosa - [62] - - [44] [61] [64] [59] - - - - -
Bacteroidetes Capnocytophaga - - - - - - [63] - - - - -
C. gingivalis - - - - [61] [67] - - - - -
C. ochracea - - - - - [61] - - - - - -
Porphyromonas - - - - - - [56] [63] [72] [75] [77] [83] [82] -
P. gingivalis [68] - - - - [61] [60] [66] [73] [9] - - -
Prevotella - - - - - - [56] [63] [72] - - [83] -
P. bergensis - - - - - [61] - - - - - -
P. melaninogenica - - - [58] - [61] [64] [67] - - - - -
P. veroralis - - - - - - [64] - - - - -
Firmicutes Gemella - - - - - - [63] - - - - -
G. haemolysans - - - - - [61] [65] [64] - - - - -
G. morbillorum - - [71] - - [61] [65] - - - - -
Granulicatella - - - - - - [57] - - - - -
G. adiacens - - - - - [61] [65] [66] - [74] - - -
Lactobacillus - - - - - - [63] - [76] - - -
L. gasseri/johnsonii - [62] - - - - - - - - - -
L. vaginalis - [62] - - - - - - - - - -
Peptostreptococcus - - - - - - [63] [69] - - [77] - -
P. stomatis - - - - - - [65] [57] - - - - -
Streptococcus - - - [58] [44] - [56] [63] [57] [72] [76] - [83] [78]
S. gordonii - - - - - [61] [65] [64] - - - - -
S. mitis - - - - - [61] [67] [65] [64] [59] [66] - [74] - - -
S. parasanguinis - - - - - [61] [65] - - - - -
S. salivarius - [62] - - - [61] [65] [64] - - - - -
Fusobacteria Fusobacterium - - - [58] - - [56] [57] - - [77] [82] [78]
F. nucleatum - [62] - - - [61] [59] [60] - - - - -
Leptotrichia - - - - - - [63] - [75] [9] [77] - -
L. buccalis - [62] - - - - - - - - - -
Proteobacteria Neisseria - - - - - - [63] - [75]
[76]
- [83] [82] [78]
N. elongata - - - - - - - - [74] - - -
N. meningitidis - - - - - [61] - - - - - -
N. subflava - - - - - [61] - - - - - -

(*) References in red: Bacteria associated with cancer patients. References in blue: Bacteria associated with matched healthy controls.
Abbreviations: GSCC, Gingival squamous cell carcinoma; HNSCC, Head and neck squamous cell carcinoma; KCOT, Keratocystic odontogenic tumor; OC, oral cancer; OMTC, Oral mobile tongue carcinoma; OPMD, Oral potentially malignant disorder; OSCC, Oral squamous cell carcinoma; ESCC, Esophageal squamous cell carcinoma; PC, Pancreatic Cancer; PDAC, Pancreatic ductal adenocarcinoma; PHC, Pancreatic head cancer; GAC, Gastric adenocarcinoma; CRC, colorectal carcinoma