Fig. 1From: Helicobacter pylori 23S rRNA gene A2142G, A2143G, T2182C, and C2195T mutations associated with clarithromycin resistance detected in Sudanese patientsa PCR amplification of H. pylori detection genes 16S RNA in addition to wild type 23S rRNA on 1.5% agarose gel electrophoresis. A: Lane 7 marker (100-1500 bp), lanes 1 to 6 contain amplicons of16 s RNA (532 bp). b. Lane 1 marker (100-1500 bp). Lanes 2, 3, and 4 include amplicons of wt 23 s RNA (320 bp)Back to article page