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Detection of H. pylori urease on/in the bacteria by immunohistological staining using murine H. pylori urease-specific antibody. H. pylori urease-positive isolates (SS-1 and NCTC 11637) and an H. pylori urease-negative isolate (HPP1801) were used for staining. Immunohistological analysis to detect the localization of H. pylori urease was carried out using light microscopy (magnification, ×800) (A) and electron microscopy (magnification, ×15,000) (B).
