Study on Induction Condition in Fermentation of Escherichia Coli
Dan Liu
Abstract
Dan Liu
Abstract
By comparing the two counterpart groups of Fed-batch fermentations,in which one group is joined into the revulsant IPTG0.3mM and the other 0.5mM and induction time of one is 3h and the other 4h,observe the effects of recombinant protein expression to filter out the best condition of the high effective expression of target protein.Experiment shows that the best condition of protein expression is to add into the revulsant IPTG of the 0.5mM concentration in the middle and late growth of Escherichia Coli(OD600 is 4).
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By comparing the two counterpart groups of Fed-batch fermentations,in which one group is joined into the revulsant IPTG0.3mM and the other 0.5mM and induction time of one is 3h and the other 4h,observe the effects of recombinant protein expression to filter out the best condition of the high effective expression of target protein.Experiment shows that the best condition of protein expression is to add into the revulsant IPTG of the 0.5mM concentration in the middle and late growth of Escherichia Coli(OD600 is 4).
Key concepts: Escherichia coli, lac operon, Fermentation, Recombinant DNA, Protein expression, Chemistry, Biology, Microbiology