Fig. 1From: Chromosomal features of Escherichia coli serotype O2:K2, an avian pathogenic E. coli Transmission electron micrograph of APEC_O2. The strain is a short to medium rod-shaped bacterium with a length of 1–2 μm. It moves via peritrichous flagella. The magnification rate is 20,000×. The scale bar indicates 1 μmBack to article page