To investigate how F. nucleatum influences non‐CCSCs, we removed the pre‐existing ALDH1+ cells from CRC cells HCT116 and HT29 (Figure S1E, Supporting Information), infected the cells with F. nucleatum and examined stem cell marker expression, sphere propagation, clonogenicity, and xenograft tumor development. The gene discussed is ALDH1A1; the disease is colorectal carcinoma.