Fig 2.

H. pylori strain G27 growth on nutrient-rich (brucella broth) and defined RnP single purine source media. (A) Growth assay in RnP medium containing single purine bases or nucleosides. (B) Growth assays conducted for H. pylori strain G27 in brucella broth either unsupplemented or supplemented with 10% FBS or 10% purine-free RnP medium. Starting OD₆₀₀ values for RnP medium and brucella broth growth assays were ∼0.03 and 0.1, respectively. Assays were conducted for 24 h. Error bars represent the standard errors of the means. N/A, no additive.