Team:HKUST/Group4

From 2009.igem.org

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<li><a href="https://2009.igem.org/Team:HKUST">Home</a></li>
<li><a href="https://2009.igem.org/Team:HKUST">Home</a></li>
<li><a href="https://2009.igem.org/Team:HKUST/Team">Our Team</a></li>
<li><a href="https://2009.igem.org/Team:HKUST/Team">Our Team</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/Project">Project description</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/Project">Project Description</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/OdorantSensoring">Odorant sensoring</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/OdorantSensing">Odorant Sensing</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/AttranctantProduction">Attranctant production</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/AttractantProduction">Attractant Production</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/ToxinProduction">Toxin production</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/ToxinProduction">Toxin Production</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/Lab Notebook">Lab Notebook</a></li>
<li><a href="https://2009.igem.org/Team:HKUST/Lab Notebook">Lab Notebook</a></li>
<li><a href="https://2009.igem.org/Team:HKUST/Parts">Parts Submitted </a></li>
<li><a href="https://2009.igem.org/Team:HKUST/Parts">Parts Submitted </a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/Protocols">Protocol list</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/Protocols">Protocol List</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/Resourses">Other resources</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/Resourses">Other Resources</a></li>
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<li><a href="https://2009.igem.org/Team:Gallery">Gallery</a></li>
<li><a href="https://2009.igem.org/Team:Gallery">Gallery</a></li>
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<li><a href="https://2009.igem.org/Team:Consolidation">Consolidation</a></li>
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<li><a href="https://2009.igem.org/Team:Biosafety">Biosafety</a></li>
<li><a href="https://2009.igem.org/Team:Acknowledgement">Acknowledgement</a></li>
<li><a href="https://2009.igem.org/Team:Acknowledgement">Acknowledgement</a></li>
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<div class="contentt_d"> <h3>a</h3>
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<h3>Welcome</h3>
 
<p>Protein Expression</p>
<p>Protein Expression</p>
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   We have designed several constructs to test its toxicity in to insects as well as to yeast:<br>
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   We have designed several constructs to test the binary protein's toxicity to insects as well as to yeast:<br><br>
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(1) BinA and BinB genes each fused with GST, cloned into the multi-cloning sites of pESC-Leu expression vector under the GAL10 and GAL1 promoter, respectively.</p>
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<img src="http://igem2009hkust.fileave.com/wiki/Group4/figure1.jpg " width=450; height=90 /></a><br>
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<img src="https://static.igem.org/mediawiki/2009/9/91/Figure01.jpg" width=588; height=400 /></a><br>
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(2) Only BinA gene is fused with GST, cloned into the same multi-cloning site of pESC-Leu expression vector under the Gal 10 promoter.</p>
 
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<img src="http://igem2009hkust.fileave.com/wiki/Group4/figure2.jpg " width=450; height=90 /></a><br>
 
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(3) Only BinB gene is fused with GST, cloned into the same multi-cloning site of pESC-Leu expression vector under the Gal 1 promoter.</p>
 
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<img src="http://igem2009hkust.fileave.com/wiki/Group4/figure3.jpg " width=450; height=90 /></a><br>
 
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  These constructs will be transformed into the yeast and induced by galactose. Then we will use western blot to test the expression of toxin by anti-GST antibody. We can estimate the protein level as well as the yeast phenotype: whether they are resistant to the toxin.</p>
 
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<br>
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  These constructs will be transformed into yeast and induced by galactose. We will use western blotting to test toxin expressing with an anti-GST antibody. We can estimate the protein level as well as the yeast phenotype: whether they are resistant to the toxin.</p>
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<br><br>
<p>Drosophila Larvicidal Essay</p>
<p>Drosophila Larvicidal Essay</p>
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   Next we will test the biological function of toxin produced in yeast to kill Drosophila larvae. The Drosophila larvicidal activity is tested by diluting yeast cells expressing the toxin in water and adding them to water containing 10 larvae in each well of a 24-well tissue culture plate (diameter of the well is 1.5 cm)(Figure 1). Mortality is recorded after incubation at 30°C for 48 h. LC50 is determined by Probit analysis[6].</p>
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   Next we will test the biological function of toxin produced in yeast to kill drosophila larvae. The drosophila larvicidal activity is tested by diluting toxin-expressing yeast cells in water and adding them to water containing 10 larvae in each well of a 24-well tissue culture plate (diameter of the well is 1.5 cm)(Figure 1). Mortality is recorded after incubation at 30°C for 48 h. LC50 is determined by Probit analysis[6].</p>
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<img src="http://igem2009hkust.fileave.com/wiki/Group4/figure4.jpg " width=450; height=700 /></a><br>
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<br><br>
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Fig 1. Drosophila Larvicidal assay. Diluted yeast cells expressing the toxin and 10 larvae are incubated in a 24-well tissue culture plate. Mortality is recorded after incubation is measured. LC50 is determined by Probit analysis.</p> <br>
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<img src="https://static.igem.org/mediawiki/2009/a/ac/Figure02.jpg" width=585; height=505 /></a><br>
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<br><br>
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<li><a href="https://2009.igem.org/Team:HKUST/Back4">Background</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/Group4">Experimental Design</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/Part4">Parts Design</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/Future4">Future Work</a></li>
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<li><a href="https://2009.igem.org/Team:HKUST/Ref4">References</a></li>

Latest revision as of 03:36, 22 October 2009

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a

Protein Expression

We have designed several constructs to test the binary protein's toxicity to insects as well as to yeast:



These constructs will be transformed into yeast and induced by galactose. We will use western blotting to test toxin expressing with an anti-GST antibody. We can estimate the protein level as well as the yeast phenotype: whether they are resistant to the toxin.



Drosophila Larvicidal Essay

Next we will test the biological function of toxin produced in yeast to kill drosophila larvae. The drosophila larvicidal activity is tested by diluting toxin-expressing yeast cells in water and adding them to water containing 10 larvae in each well of a 24-well tissue culture plate (diameter of the well is 1.5 cm)(Figure 1). Mortality is recorded after incubation at 30°C for 48 h. LC50 is determined by Probit analysis[6].






  • Background
  • Experimental Design
  • Parts Design
  • Future Work
  • References
    • HKUST

    Retrieved from "http://2009.igem.org/Team:HKUST/Group4"