Volume 8, Number 1—January 2002
Research
Prevalence and Genetic Profiling of Virulence Determinants of Non-O157 Shiga Toxin-Producing Escherichia coli Isolated from Cattle, Beef, and Humans, Calcutta, India
Table 2
Polymerase chain reaction (PCR) primers and conditions for preparing DNA probes used in the colony hybridization test
| Nucleotide sequence of primers | Target | PCR conditionsa |
|||
|---|---|---|---|---|---|
| Denaturing | Annealing | Extension | Amplicon (bp) | ||
| 5-GAGAATTCACAGATGGATATTTCAAATTTC-3 5-TCTCCTCGAGCTAGTTGACCTCGTTCAGAAACG-3 | espP | 94°C, 10s | 68°C, 30s | 72°C, 90s | 2,900 |
| 5-GAGAGAATTCTTCCTGTTCTGATTCTTCTG-3 5-TCTCCTCGAGTCAAAACTTATTTCTCGCATCATCATCC-3 | katP | 94°C, 10s | 68°C, 30s | 72°C, 60s | 2,130 |
| 5-TCTCAAGCTTTTAGAAATAGTCTCGCCAGTATTC-3 5-GAGAGAATTCGTCAGGAGGATGTTCAGG-3 | eae | 94°C, 10s | 68°C, 30s | 72°C, 90s | 880 |
| 5-GAGAGGATCCGGTGCAGCAGAAAAAGTTGTA-3 5-TCTCCTCGAGTCATCTCGCCTGATAGTGTTTGG-3 | hlyA | 94°C, 10s | 68°C, 30s | 72°C, 60s | 1,560 |
aPCR was done for 30 cycles.


