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. 2001 Nov;39(11):4142–4144. doi: 10.1128/JCM.39.11.4142-4144.2001

FIG. 1.

FIG. 1

Genotypic detection of H. pylori clarithromycin resistance by FISH. (Upper panels) Fluorescein isothiocyanate-labeled oligonucleotide Hpy-1 specifically identifies H. pylori. Cy3-labeled probe ClaR2 detects the A2144G transition responsible for macrolide resistance, whereas oligonucleotides ClaWT/Cy3, ClaR1/Cy3, and ClaR3/Cy3 do not hybridize to the 23S rRNA of the respective strains. (Lower panels) Identification of microorganisms on glass slides by staining of bacterial DNA with DAPI. The microscopic fields correspond to the respective fields of the upper panel.

HHS Vulnerability Disclosure