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Activity of cell extracts from catalase siRNA-transfected HT-29 cells. Cell extracts of catalase siRNA-transfected HT-29 cells were prepared, and measured for their converting activity (A) and catalase activity (B) were measured as described in the text. The culturability of VBNC Vibrio cholerae by incubation at 37°C for 16 h in APW without FCVC was not detected. Bars represent means ± SD of four determinations.
