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Volume 9, Number 7—July 2003

Research

Antimicrobial Resistance Markers of Class 1 and Class 2 Integron-bearing Escherichia coli from Irrigation Water and Sediments

Matthew T. Roe*, Everardo Vega*, and Suresh D. Pillai*Comments to Author 
Author affiliations: *Texas A&M University, College Station, Texas, USA

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Figure 3

A: Polymerase chain reaction (PCR) amplification products with primers targeted against the class 1–specific conserved sequences. Lane 1: no template control; lane 2: positive control (In2); lane 3: Escherichia coli isolate 16; lane 4: E . coli isolate 19; lane 5: E. coli isolate 21; lane 6: blank; lane 7: E. coli isolate I-6. B: PCR amplification products with primers targeted against the class 2–specific conserved sequences. Lane 1: no template control; lane 2: positive control (In2); lane 3:

Figure 3. A: Polymerase chain reaction (PCR) amplification products with primers targeted against the class 1–specific conserved sequences. Lane 1: no template control; lane 2: positive control (In2); lane 3: Escherichia coli isolate 16; lane 4: E . coli isolate 19; lane 5: E. coli isolate 21; lane 6: blank; lane 7: E. coli isolate I-6. B: PCR amplification products with primers targeted against the class 2–specific conserved sequences. Lane 1: no template control; lane 2: positive control (In2); lane 3: E. coli isolate 29.

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