Hospital Acquired Pathogenic Escherichia coli from Clinical and Hospital Water Samples of Quetta Balochistan

Figure 4

Molecular detection of tetB drug resistance gene (634 bp). Number 1: 100 bp DNA ladder; number 2, 6, 10, 11: negative samples; number 3: positive control; number 4, 5, 7, 8, 9, 12, 13: positive samples.