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Fig. 2 | Microbial Cell Factories

Fig. 2

From: Engineering Lactococcus lactis as a multi-stress tolerant biosynthetic chassis by deleting the prophage-related fragment

Fig. 2

The nisin immunity and the growth profiles of L. lactis N8 and L. lactis N8-1 at GM17 medium supplemented with different concentrations of nisin. a 96-well plate gradient dilution cultures; b the result of the OD600 value of bacterial culture achieved by microplate reader; c nisin immunity of L. lactis N8 and L. lactis N8-1. d Growth curves at 4000 IU/mL nisin; e growth curves at 5000 IU/mL nisin; f growth curves at 6000 IU/mL nisin; g growth curves at 6500 IU/mL nisin; h growth curves at 7000 IU/mL nisin; i growth curves at 7500 IU/mL nisin

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