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Fig. 2 | BMC Gastroenterology

Fig. 2

From: Helicobacter pylori vacA, cagA and iceA genotypes in dyspeptic patients from southwestern region, Saudi Arabia: distribution and association with clinical outcomes and histopathological changes

Fig. 2

Agarose gel electrophoresis of the PCR-based genotyping amplified products of vacA gene. a PCR products of vacA s1a gene (212 bp). Lanes; M; 100 bp molecular DNA marker (Cleaver Scientific Ltd.). Lanes 4, 5, 8, 9, and 10 are positive while lanes 1, 2, 3, 6, 7 and 9 are negative. b PCR products of vacA s1b gene (187 bp). Lanes; M; 100 bp molecular DNA marker (Cleaver Scientific Ltd.). Lanes 2, 5, 7, 8 and 9, while lanes 10 are positive while lanes 1, 3, 4 and 10 are negative. c products of vacA s2 gene (199 bp). a) Positive photo. b) Negative photo. Lanes; M; 100 bp molecular DNA marker (Cleaver Scientific Ltd.). Lanes 7 and 9 are positive while lanes 1, 2, 3, 4, 5, 6 and 8 are negative for this gene. d amplified products of vacA m1 gene (290 bp). a Positive photo. b Negative photo. Lanes; M; 100 bp molecular DNA marker (Cleaver Scientific Ltd.). Lanes 4 and 8 are positive while lanes 1, 2, 3, 5, 6, 7 and 9 are negative for this gene. e products of vacA m2 gene (352 bp). Lanes; M; 100 bp molecular DNA marker (Cleaver Scientific Ltd.). Lanes 1, 2, 3, 5, 6, 7 and 10 are positive while lanes 4, 8 and 9 are negative for this gene

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