Fig. 1From: Prevalence of pks + bacteria and enterotoxigenic Bacteroides fragilis in patients with colorectal cancerclbA and bft detection. a clbA and b bft presence in DNA extracted from fecal samples were detected using conventional qualitative PCR. M: marker; negative (−) control: water (H2O); positive control ( +): DNA extracted from pks + EcNC101 or ETBF bacteriaBack to article page