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. 2016 Mar 2;5(1):45–51. doi: 10.1016/j.bjbas.2015.11.010

Fig. 2.

Fig. 2

The PCR amplification of K99 virulence gene of E.  coli showing positive amplicons at 314 bp. M: DNA size marker (100–1000 bp). Lane 1: Negative control. Lane 2: Positive control (E.  coli serogroup O86). Lane (3–12): The tested serogroups (O26, O44, O78, O86, O103, O111, O119, O127, O157 and O158, respectively).