Part:BBa_K365004:Experience

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The graph depicts the experiment in which our full construct with GFP (no tag, DAS tag, LAA tag) was grown in the Keio Wild Type E. coli strains. Then, it was induced with various IPTG induction levels to allow for the expression of the ClpXP degradation system BBa_K1911001 and the GFP/OD level was observed in each the E. coli cells. The expected results of the experiment were that the no tag would have no decrease in the GFP/OD level as IPTG increased, DAS tag would have a moderate decrease in the GFP/OD level as IPTG increased, and LAA tag would have stronger decrease in the GFP/OD level as IPTG increased. In the actual experiment, the results showed that the GFP/OD level for no tag decreased when IPTG increased which was not expected, the GFP/OD level for DAS tag decreased when IPTG increased which was expected, and the GFP/OD level for LAA tag decreased more relative to the DAS tag when IPTG increased which was also expected. The no tag data did not have as many data points as the LAA and DAS tag data because there was no growth for the E. coli colonies during the 30-80 micromolar IPTG levels. We theorize this is due to improper inoculation from the colonies. The Keio Wild Type inherently has the ClpXP system existing inside its E. coli cells. The graph above characterizes the BioBrick part K365004 ClpX because by comparing the degradation of the three different constructs (no tag, DAS tag, LAA tag) we demonstrated that the relative degradation strength of the LAA and DAS tags were indeed what they were supposed to be (LAA- strong, DAS- moderate) and that the ClpX subunit works in conjunction with the ClpP subunit to degrade the GFP reporter gene.
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