Team:SEU O China/Result

From 2012.igem.org

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         <h2> Experiment Results</h2>
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            <li id="in">Division Inhibition</li>
             <li id="li">Light Sensor</li>
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             <li id="sw">Toggle Switch</li>
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<h3>Division Inhibition</h3><br>
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The antisense FtsZ, protected by hair-pin structure and termed TBY or BBa_897720, is regulated by T7 promoter and regarded as the core part of our project. The antisense FtsZ sequence mainly aims at silenting the FtsZ gene and control the self-renewal and differentiation of E.coli. Since the antisense FtsZ gene in BBa_897720 is regulated by the T7 promoter that is specifically combined with T7 RNA polymerase, a endogenous protein in BL21(DE3) strain under the control of the lac UV5 promoter inducible by IPTG, the number of colonies is expected to decrease with the an increase in IPTG. The confirmatory experiment below verifys the validity of TBY and our hypothesis.
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After integrating the plasmid with an insert of BBa_897720 into BL21(DE3) strain, we cultivated those bacteria on the surface of solid LB medium in 4 dfferent IPTG levels. The conditions was strictly controlled at the temperature of 37 ℃ and it last for 10 hours.  The controls aims to rule out the possibility of damaged to the bacteria from IPTG. Details are illustrated below:
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{| border="1" cellspacing="0" cellpadding="5" align="center"
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|
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|IPTG(0.0mM)
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| IPTG(0.5mM)
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| IPTG(1.0mM)
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| IPTG(2.0mM)
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| TBY*0.01
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| TBY*0.1
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| TBY-*0.1
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| TBY-*0.01
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Revision as of 15:12, 24 September 2012

header1
header2



Results





  • Biobricks
  • Judging form

Experiment Results

  • Division Inhibition
  • Light Sensor
  • Toggle Switch

Biobricks



Division Inhibition


The antisense FtsZ, protected by hair-pin structure and termed TBY or BBa_897720, is regulated by T7 promoter and regarded as the core part of our project. The antisense FtsZ sequence mainly aims at silenting the FtsZ gene and control the self-renewal and differentiation of E.coli. Since the antisense FtsZ gene in BBa_897720 is regulated by the T7 promoter that is specifically combined with T7 RNA polymerase, a endogenous protein in BL21(DE3) strain under the control of the lac UV5 promoter inducible by IPTG, the number of colonies is expected to decrease with the an increase in IPTG. The confirmatory experiment below verifys the validity of TBY and our hypothesis.

After integrating the plasmid with an insert of BBa_897720 into BL21(DE3) strain, we cultivated those bacteria on the surface of solid LB medium in 4 dfferent IPTG levels. The conditions was strictly controlled at the temperature of 37 ℃ and it last for 10 hours. The controls aims to rule out the possibility of damaged to the bacteria from IPTG. Details are illustrated below:

IPTG(0.0mM) IPTG(0.5mM) IPTG(1.0mM) IPTG(2.0mM)
TBY*0.01
TBY*0.1
TBY-*0.1
TBY-*0.01


Judging form



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