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(A) Level of ccpA mRNA in S. bovis grown on glucose (lane a) or lactose (lane b), as estimated by Northern blotting. The arrow indicates the position of 1.1-kb ccpA mRNA. The ratio of mRNA levels (level of ccpA mRNA in S. bovis grown on glucose/level of ccpA mRNA in S. bovis grown on lactose) was 3/1. (B) Decay of ccpA mRNA in S. bovis cells grown on glucose (▪) or lactose (•).
