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Team:UCL/Science/Results/Sensor
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Revision as of 14:25, 17 October 2014
Azo-Sensor
In order to create a BioBrick Azo-sensor, we decided to investigate whether we could repurpose the BBa_K239009 SpyGFP stress sensor submitted by UCL iGEM 2009. We hypothesised that the ‘stress’ caused by the presence of the toxic dyes could activate the GFP promoter and in turn cause result GFP fluorescence with the addition of Azo-dyes.PLEASE INSERT: https://static.igem.org/mediawiki/2014/8/83/Spygfp_fig1.png
Figure 1 - BBa_K239009 SpyGFP stress sensor could be repurposed as a Azo-sensor module in Acid Orange 7 (AO7) dye-contaminated waste waters. Graph showing that E.coli transformed with the BBa_K239009 SpyGFP stress sensor demonstrates GFP fluorescence after incubation in LB media contaminated with AO7 dye. Please note that fluorescence measurements are initially diminished due to the presence of the AO7 dye. However, the increased levels of fluorescence of BBa_K239009 inoculations in low levels of AO7 during the later recordings indicate that GFP expression was activated through the SpyGFP promoter. Time is shown in hours after incubation. Error bars indicate SEM, n=2.
PLEASE INSERT: https://2014.igem.org/File:Spygfp_fig2.png
Figure 2 - BBa_K239009 SpyGFP stress sensor could be repurposed as a Azo-sensor module in Reactive Black 5 (RB5) dye-contaminated waste waters. Graph showing that E.coli transformed with the BBa_K239009 SpyGFP stress sensor demonstrates GFP fluorescence after incubation in LB media contaminated with RB5 dye. Please note that fluorescence measurements are initially diminished due to the presence of the RB5 dye. However, the increased levels of fluorescence of BBa_K239009 inoculations in low levels of AO7 during the later recordings indicate that GFP expression was activated through the SpyGFP promoter. Time is shown in hours after incubation. Error bars indicate SEM, n=2.
Conclusions: DANIEL TO FILL OUT
