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. 2003 Jul;47(7):2169–2178. doi: 10.1128/AAC.47.7.2169-2178.2003

FIG. 4.

FIG. 4.

Antibiotic accumulation assays for susceptible H. pylori ATCC 700392 and its transformed resistant H. pylori strain. Shown are accumulation patterns of chloramphenicol (A), penicillin (B), and tetracycline (C). Symbols: diamonds, susceptible H. pylori ATCC 700392; squares, one half of the transformed resistant H. pylori ATCC 700392, without treatment with 100 μM CCCP; triangles, the other half of the transformed resistant H. pylori ATCC 700392, with treatment with 100 μM CCCP at 20 min (arrows). Results are representative of five independent experiments.