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Fig. 1 | Microbial Cell Factories

Fig. 1

From: Restructured Lactococcus lactis strains with emergent properties constructed by a novel highly efficient screening system

Fig. 1

Schematic representation of deletion plasmid pNZ5417 construction. a Scheme of pNZ5319; b color selectable marker gene cassettes (PnisZ-lacZ); c scheme of pNZ5417; d chromogenic reaction of pNZ5417 in E. coli on LB medium containing chloramphenicol and X-gal; e chromogenic reaction of L. lactis NZ9000 harboring pNZ5417Δ L4A in M17 medium containing chloramphenicol, X-gal, and gradient nisin

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