Fusobacterium mortiferum commonly affects human health as a pathogenic bacterium (Ow et al., 2023): its abundance has been found to be increased in CRA patients with APC mutations, and such enrichment in APC-mutant patients has been shown to be associated with a higher incidence of CRC (Siskova et al., 2020). This evidence concerns the gene APC and colorectal carcinoma.