Use of GFP fusions for the isolation of Escherichia coli strains for improved production of different target recombinant proteins.

Abstract excerpt

High level expression of a recombinant gene results in growth arrest, followed by overgrowth by non-productive derivatives. Two methods are described for the isolation of E. coli BL21* strains that are improved hosts for recombinant protein production. Both are based upon the observations (i) that fluorescence of a C-terminal GFP tag is a reliable reporter of the production and correct folding of the N-terminal...

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