Team:Chiba/System 2/Result

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<li><a href="https://2010.igem.org/Team:Chiba/Project"><span>Overall project</span></a></li>
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<li><a href="https://2010.igem.org/Team:Chiba/Project"><span>Double Click System</span></a></li>
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<li><a href="https://2010.igem.org/Team:Chiba/System_1"><span>System 1</span></a></li>
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<li><a href="https://2010.igem.org/Team:Chiba/System_2"><span>System 2</span></a></li>                       </ul>
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<li><a href="https://2010.igem.org/Team:Chiba/System_2"><span>Version 2</span></a></li>                   </ul>
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<font size=6>System 2 :</font>
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Revision as of 23:49, 27 October 2010




 

 

 







Version 2 :

Contents

Abstract

LuxR is AHL-dependent activator.LuxR-AHL complex binds lux box, 20-bp sequence centered at position -42.5 from starting site and activates transcription.However lux box is inserted between -35 and -10,LuxR functions as AHL-inverter (Plux inv). Plux inv is resistered in Biobrick number R0061.We've prepared Plux inv-GFP and characterized about it.


Experiments

1.Preparing Plux inv-GFP

1．Construction of Plux inv-GFP

Construction process is shown in Fig. 1.

Fig. 1 　Evaluation of LuxR Inverter

2.Characterization Plux inv-GFP

Plux inv-GFP およびLuxR generatorである Plac-LuxRをDH10B株に共形質転換した。コロニーをつついてLB液体培地(AHL0および1000 nM)で12 h培養し, スピンダウンしてペレットを観察した。

Fig. 2 assay protocol




Results

Fig. 3




Reference

  1. Egland.K.A, and Greenberg.E.P, Conversion of the Vibrio Fischeri Transcriptional Activator,LuxR, to a Repressor, J. Bacteriol., 182, P.805-811 (2000)
  2. Cox.R.S.3rd, Surette.M.G, Elowitz.M.B, Programming gene expression with combinatorial promoters, Mol Syst Biol, 3 ,145 (2007)
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