Difference between revisions of "Team:Austin UTexas/Results"

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<p>CpxA-CpxR is a two-component mechanism that is activated at pH 7.4 and repressed at pH 6.0. CpxA is an intermembrane protein that autophosphorylates at a certain external pH, CpxR (a kinase) then gets phosphorylated by CpxA and acts as a transcription factor. This system originally is a transcription factor for the virF gene, but virF was replaced with a reporter. The original sequence was found in <i>Shigella sonnei</i>, but E. coli has a homolog of these proteins so all that is required on the construct is the appropriate prefix/suffix and CpxR binding site.</p>
 
<p>CpxA-CpxR is a two-component mechanism that is activated at pH 7.4 and repressed at pH 6.0. CpxA is an intermembrane protein that autophosphorylates at a certain external pH, CpxR (a kinase) then gets phosphorylated by CpxA and acts as a transcription factor. This system originally is a transcription factor for the virF gene, but virF was replaced with a reporter. The original sequence was found in <i>Shigella sonnei</i>, but E. coli has a homolog of these proteins so all that is required on the construct is the appropriate prefix/suffix and CpxR binding site.</p>
 
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[[File:T--Austin_UTexas--Cpx_pH_Culture_Tubes_2.png|thumb|left|600px| Figure 1. Testing the CpxR Construct in pH 6-9. From left to right is Control pH 6-9 and then Experimental pH 6-9. These are showing the gradient change in expression accordingly with the change of pH due to a pH-dependent promotor compared to consistent expression accordingly with a promoter that is always "on".]]
 
[[File:T--Austin_UTexas--Cpx_pH_Culture_Tubes_2.png|thumb|left|600px| Figure 1. Testing the CpxR Construct in pH 6-9. From left to right is Control pH 6-9 and then Experimental pH 6-9. These are showing the gradient change in expression accordingly with the change of pH due to a pH-dependent promotor compared to consistent expression accordingly with a promoter that is always "on".]]
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Revision as of 06:40, 18 October 2016

Austin_UTexas

Results


Click on one of the images below to learn more about our results!




Kombucha Strains

Conjugation

Recapitulation

Ethanol

pH Sensors