Team:Evry/Results

From 2013.igem.org

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As our goal was to experimentally manipulate gene expression in response to ambient iron, we first needed to investigate how changing the iron concentration in the medium affected E.coli growth. We quantified growth of E.coli strains containing either the <a href="https://2013.igem.org/Team:Evry/Sensor">aceB-GFP iron sensor</a> or the <a href="https://2013.igem.org/Team:Evry/Inverter">aceB-lacI+PL_lacO-RFP Fur inverter</a> grew at a range of iron supplementations: 0.1, 1, 10, 100 uM iron. The growth results show a statistically insignificant decrease in growth at higher iron concentrations for the sensor strain (Fig 1A) and no affect for the inverter strain (Fig 1B).
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As our goal was to manipulate gene expression in response to ambient iron, we first needed to investigate how changing the iron concentration in the medium affected ''E. coli'' growth. We quantified growth of ''E.coli'' strains containing either the <a href="https://2013.igem.org/Team:Evry/Sensor">aceB-GFP iron sensor</a> or the <a href="https://2013.igem.org/Team:Evry/Inverter">aceB-lacI+PL_lacO-RFP Fur inverter</a> at a range of iron supplementations: 0.1, 1, 10, 100 uM iron. The growth results show a statistically insignificant decrease in growth at higher iron concentrations for the sensor strain (Fig 1A) and no affect for the inverter strain (Fig 1B).
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Revision as of 12:09, 4 October 2013

Iron coli project

Results

As our goal was to manipulate gene expression in response to ambient iron, we first needed to investigate how changing the iron concentration in the medium affected ''E. coli'' growth. We quantified growth of ''E.coli'' strains containing either the aceB-GFP iron sensor or the aceB-lacI+PL_lacO-RFP Fur inverter at a range of iron supplementations: 0.1, 1, 10, 100 uM iron. The growth results show a statistically insignificant decrease in growth at higher iron concentrations for the sensor strain (Fig 1A) and no affect for the inverter strain (Fig 1B).

Inverter curve
Figure 1: Légende ici.
Inverter GFP
Figure 2: Légende ici.
Inverter RFP
Figure 3: Légende ici.
Inverter UV
Figure 4: Légende ici.
Inverter UV M9
Figure 5: Inverter caracterization on M9 medium with different concentrationof iron and in 3 conditions:
  1. AceB-sfGFP/plLacO-RFP on M9 medium with IPTG
  2. AceB-LacI/plLacO-RFP on M9 medium with IPTG
  3. AceB-LacI/plLacO-RFP on M9 medium without IPTG

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