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. 2024 Jan 8;12:8. doi: 10.1186/s40168-023-01729-1

Fig. 7.

Fig. 7

Determination of quinolone resistance genes (qnrA (580 bp), qnrB (264 bp), and qnrS (428 bp)) by PCR (M marker (Thermo Scientific, SM0241, 100 bp DNA Ladder), P positive control, N negative control, 1 and 2 negative isolates)