Fig. 1From: Induction of macrophage pyroptosis-related factors by pathogenic E. coli high pathogenicity island (HPI) in Yunnan Saba pigsa: Isolation of pathogenic E. coli; b: Purification of pathogenic E. coli; c: Microscopic examination of pathogenic E. coli (1000′ magnification); d: The PCR amplification of HPI irp2 gene (M: DL2000 Mark; 1–6: Experimental strains; 7: Negative control)Back to article page