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Effects of pH on the spreading of V. cholerae colonies in soft agar. (A) Representative colonies from the Classical O395 and El Tor C6706 (wild type and mshA) at different pHs (bar is 10 mm). (B) Measured colony diameters at different pHs for all experimental replicates. (C) Measured growth rates in batch cultures at different pHs for all experimental replicates.
