Fig.

PCR for Plasmid-encoded AmpC β-lactamase genes: 2 per cent Agarose gel showing products of PCR amplification. (a) M-100bp molecular size standard DNA ladder. Lane 1-E.coli with 342bp ACC gene, Lane 2-K. pneumoniae with 462bp CIT, Lane 3 & 4 -E. colishowing 462bp CIT gene, Lane 5- negative K. pneumoniae & Lane 6- negative water control. (b) Lane 1-negative K. pneumoniae, Lane 2- negative water control, M-100bp molecular size standard DNA ladder, Lane 4- E.coli with 405 DHA positive, the 520bp MOX gene was not shown in the figure.