Fig. 5From: Adaptive laboratory evolution and shuffling of Escherichia coli to enhance its tolerance and production of astaxanthinFed-batch fermentation of E. coli AST-4AS (A) and E. coli AST-4 (B) in a 2-L bioreactor. (Filled square) OD600; (Filled circle) Astaxanthin concentration; (filled triangle) Astaxanthin content. The data represent the means of three replicates, and error bars indicate standard deviationsBack to article page