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Enzymatic activity of CsnA displaying cells of repeated activity measurements. 0 indicates the first measurement after harvesting, while 1, 2, 3, 4 indicate the number of replications. (A) L. plantarum cells harbouring the erm-based expression plasmids (B) L. plantarum cells harbouring the alr-based expression plasmids. Experiments were performed in triplicates, and the standard deviation was always less than 5%.
