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Total RNA used in the analysis was from mid-exponential growing MR-1 cells. Organization of ompR-envZ and adjacent genes is shown. Lanes: 1, RNA ladder; 2, total RNA control (same amount of RNA stained with ethidium bromide); 3, RNA hybridized with probe specific for ompR; 4, RNA hybridized with probe specific for envZ; 5, RNA hybridized with probe specific for so4635.
