Research Article

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

Table 1

Details of primers and their respective polymerase chain reaction conditions.

GeneSizePolymerase chain reaction protocolSequence of gene

UidA147 bpInitial denaturation was carried out for 7 min at 95°C followed by total 35 cycles of 30 sec each at 95°C; annealing for 30 sec at 55°C; extension for 30 sec at 72°C, followed by final extension at 72°C, for 7 minF-TGGTAATTACCGAC GAAAACGGC
R-ACGCGTG GTTACAGTCTTGCG

blaCTX-M-15996 bpInitial denaturation for 4 min at 96°C followed by total 34 cycles of 20 sec each at 95°C; annealing for 20 sec at 56°C; 60 sec at 72°C, followed by final extension at 72°C, for 5 minF-CACACGTGGAATTTAGGGACT
R-GCCGTCTAAGGCGATAAACA

tetB634 bpInitial denaturation for 3 min at 95°C followed by total 35 cycles of 1 min each at 94°C; annealing for 90 sec at 56°C; 60 sec at 72°C, followed by final extension at 72°C, for 8 minF-CCTCAGCTTCTCAACGCGTG
R-GCACCTTGCTGATGACTCTT

TMP-SMX dfrA1367 bpInitial denaturation for 3 min at 95°C followed by total 35 cycles of 1 min each at 94°C; annealing for 90 sec at 45°C; 60 sec at 72°C, followed by final extension at 72°C, for 8 minF-GGAGTGCCAAAGGTGAACAGC
R-GAGGCGAAGTCTTGGGTAAAAAC

PAPInitial denaturing 3 min at 94°C, 35 cycles of 1 min at 94°C, 1 min at 58°C, 1 min at 72°C followed by final extension of 5 min at 72°CF-AACCTGGCTTACGCAACTGTACCC GT
R-CTG CAA AAT CAT GGA T

Heat-labile toxinInitial denaturing 3 min at 94°C, 35 cycles of 1 min at 94°C, 1 min at 58°C, and 1 min at 72°C and final extension for 5 min at 72°CF-GCACACGGAGCTCCTCAGTC
R-TCCTTCATCCTT TCA ATG GCT TT