Fig. 1From: Obtaining a series of native gradient promoter-5′-UTR sequences in Corynebacterium glutamicum ATCC 13032Construction of backbone plasmid. The strains were red on plates after 72 h of incubation. a Plasmids construction processes. b Growth of mutant strains on plates c Morphology of mutant strains under optical microscope. d Fluorescence of mutant strains under fluorescence microscope. e Fluorescence strength of backbone plasmidBack to article page