Agarose gel electrophoresis showing amplification of 443bp fragment using sul1 primer. (Lane 1,2,3,5-13,15) positive, Lane 4,14: negative, Neg: negative control, Pos: positive control, L: Ladder 600bp 

Agarose gel electrophoresis showing amplification of 516bp fragment using bla TEM primer. Lane 1-15: Positive, Neg: negative control, Pos: positive control, L: Ladder 600bp 

Agarose gel electrophoresis showing amplification of 593bp fragment using bla CTX primer. Lane 1,2,5: Positive. Lane 3,4: negative, Neg: negative control, Pos: positive control, L: Ladder 600bp 

Agarose gel electrophoresis showing amplification of 392bp fragment using bla SHV primer. Lane 1,3,4,5: Positive. Lane 2: negative, Neg: negative control, Pos: positive control, L: Ladder 600bp 

Agarose gel electrophoresis showing amplification of 280bp fragment using int1 primer. Lane 2-15: positive. Lane 1: negative, Neg: negative control, Pos: positive control, L: Ladder 600bp