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. Author manuscript; available in PMC: 2021 Dec 1.
Published in final edited form as: Cancer Metastasis Rev. 2020 Sep 7;39(4):1179–1203. doi: 10.1007/s10555-020-09925-3

Table 1. Bacterium found in the microbiome involved with the development of gastric cancer.

These abundant bacterium are involved in gastric cancer development and perpetuation of this disease. These bacterium have been found to be relevant to gastric cancer in numerous studies and are found in the oral cavity as well as the GI tract. Many of these bacteria are influenced by the presence of H. pylori, a well-known pathogen involved in the carcinogenesis and development of gastric cancer.

BACTERIUM PHYLUM EXPRESSION LOCATION GASTRIC CANCER RISK H. PYLORI INVOLVEMENT IN BACTERIAL ABUNDANCE
Neisseria Proteobacteria Absent GI Tract Preventative 219,220 Increases 221
Aggregatibacter Proteobacteria Abundant Oral Cavity Causative 222,223 Increases 221
Sphingobium yanoikuyae Proteobacteria Absent Oral Cavity Causative223 Increases 221
Haemophilias Proteobacteria Abundant GI Tract Causative 219 Increases 221
Escherichia coli Proteobacteria Abundant GI Tract Causative 219 Increases 221
Burkholderia flingorum Proteobacteria Abundant GI Tract Causative219 Increases 221
Streptococcus anginosus Firmicutes Abundant Oral Cavity, GI Tract Preventative/Causative 219 Decreases 221
Clostridium Firmicutes Absent GI Tract Causative 224 Decreases 221
Lactobacillus Firmicutes Absent GI Tract Preventative/Causative 220,225 Decreases 221
Veillonella Firmicutes Abundant Oral Cavity Causative 223 Decreases 221
Staphylococcus Firmicutes Abundant GI Tract Causative 226,227 Decreases 221
Lachnospiraceae Firmicutes Abundant GI Tract Causative 220,226 Decreases 221
Parvinomas micra Firmicutes Abundant Oral Cavity Causative 220,226 Decreases 221
Dialister pneumosintes Firmicutes Abundant Oral Cavity Causative 220,226,228 Decreases 221
Peptostreptococcus Firmicutes Abundant Oral Cavity Causative 220,226 Decreases 221
Phorhyromonas Bacteroidetes Abundant Oral Cavity Causative 220,226 Decreases 221
Alloprevotella Bacteroidetes Abundant Oral Cavity Causative 220,226 Decreases 221
Nitrospirales Nitrospirae Abundant GI Tract Causative 220,226 Undetermined