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Table 5 Primers used in PCR for amplification of cagA , vacA -s1 and vacA -s2 sequences

From: Association between Helicobacter pylori genotypes and severity of chronic gastritis, peptic ulcer disease and gastric mucosal interleukin-8 levels: Evidence from a study in the Middle East

DNA region amplified

Primer

Primer sequence

PCR product (bpa)

cagA

cagA F

5?-TTGACCAACAACCACAAACCGAAG-3?

183

cagA R

5?-CTTCCCTTAATTGCGAGATTCC-3?

vacA-s1

VA1F

5?-ATGGAAATACAACAAACACAC-3?

176

VA1XRA

5?-CCTGAAACCGTTCCTACAGC-3?

vacA-s2

VA1F

5?-ATGGAAATACAACAAACACAC-3?

203

VA1XRA

5?-CCTGAAACCGTTCCTACAGC-3?

  1. abp: Base pair.