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Table 1 Characteristics of H. pylori strains tested

From: Polysorbate 80 and Helicobacter pylori: a microbiological and ultrastructural study

Parameter Helicobacter pylori strains
  CCUG 17874 G50 G21 4Kb DiSim 10 K 328 328 Km* M/C-R1 M/C-R2 M/C-R3 Ap-R 3Cb Marit G27 17C7 Ba142 12A3 8C8 G104 Ver1 Ver2
Presence of cagA gene + - - + + + + - + - + + + + + + - + + - + +
Pathology of patients CGO CGO CGO GC DU GC CGO CGO CGO CGO CGO DU GC CGO DU GC CGO GC GC CGO CGO CGO
Primary strain Yes Yes Yes Yes Yes Yes Yes Yes No No No No Yes No Yes Yes Yes Yes Yes Yes No No
  1. * This is an isogenic cagA negative mutant of the wild strain 328.
  2. CGO: chronic gastritis only; DU: duodenal ulcer; GC: gastric carcinoma.