Fig. 1From: Improving the regeneration rate of deep lethal mutant protoplasts by fusion to promote efficient L-lysine fermentationThe selection of optimal preparation conditions for Escherichia coli QDW protoplasts. (a) The growth curve of L-lysine-producing strain QDW. (b) The effect of enzymatic hydrolysis time on protoplast formation rate and regeneration rate. (c) The effect of lysozyme concentration on protoplast formation and regeneration rateBack to article page