Team:Warsaw/ExpressionAdaptors

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Our project is divided in following parts:
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<li><a href="https://2010.igem.org/Team:Warsaw/Stage1/RBSMeas">RBS Measurement</a></li>
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<li><a href="https://2010.igem.org/Team:Warsaw/Stage1/PromMeas">Promoter Measurement</a></li>
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<li>MinC based <a href="https://2010.igem.org/Team:Warsaw/Stage2">kill switch</a></li>
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<li><a href="https://2010.igem.org/Team:Warsaw/Stage3">BactoDHL</a> - universal platform of protein and DNA delivery to mammalian cells based on invasive coli strain</li>
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<!--<li>ColiStainer - an implementation of BactoDHL which stains various compartments of alive mammalian cells using fluorescent proteins fused with localization signals</li>-->
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<div>In order to fine-tune expression of genes used in our project we have conducted measurement of various ribosome binding sites included in 2010 spring distribution. Our list of measured parts includes RBSs both from Community and Anderson's collections. <br>We have used standard measurement kit composed of promoter BBa_J23100 and GFP+terminator part BBa_I130401. All measurements were carried out using flow cytometer. <br>Results are <a href="https://2010.igem.org/Team:Warsaw/Stage1/RBSMeas">here</a></div>
<div>In order to fine-tune expression of genes used in our project we have conducted measurement of various ribosome binding sites included in 2010 spring distribution. Our list of measured parts includes RBSs both from Community and Anderson's collections. <br>We have used standard measurement kit composed of promoter BBa_J23100 and GFP+terminator part BBa_I130401. All measurements were carried out using flow cytometer. <br>Results are <a href="https://2010.igem.org/Team:Warsaw/Stage1/RBSMeas">here</a></div>
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<div class="note">Promoter Measurement</div>
 
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<div>Additionally we have defined <a href="http://openwetware.org/wiki/The_BioBricks_Foundation:RFC#BBF_RFC_58:_Absolute_measurement_of_bacterial_promoter_strength_in_cell-free_system_by_qPCR">new standard of absolute promoter strength measurement (RFC58)</a>. <br>Using it we have measured <a href="http://partsregistry.org/Part:BBa_J23100">J23100</a> and <a href="http://partsregistry.org/Part:BBa_I719005">pT7</a>. <br>Results are <a href="https://2010.igem.org/Team:Warsaw/Stage1/PromMeas">here</a></div>
 
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<div class="note">ExpressIt vector family</div>
 
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We have used measurement results to create <a href="https://2010.igem.org/Team:Warsaw/Stage1/ExpressIt">ExpressIt family of vectors with defined expression strength</a>.
 
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<div class="note">MinC based kill sitch</div>
 
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<div>To make our invasive E. coli strain safe we are planning to use division inhibitor protein MinC from E. coli BL21. Our <a href="https://2010.igem.org/Team:Warsaw/Stage2/Results">results</a> show that expression of MinC efficiently blocks E. coli cell division without impairing other functions such as protein synthesis. </div>
 
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<div class="note">BactoDHL</div>
 
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<div align="justify">BactoDHL is a universal platform of protein and DNA delivery to mammalian cells. It's based on E. coli strain that expresses invasion determinants: invasin from Yersinia pestis and listeriolysin (LLO) from Listeria monocytogenes. Invasin causes uptake of the bacterium into the mammalian cell by induction of clatrin-mediated endocytosis. Bacterial cells are lysed in the endosome and then LLO is relased. LLO is a pore-forming toxin which causes endosomal membrane disruption and release of the payload (either protein or DNA) into cytoplasm of the mammalian cell.<br>To see BactoDHL in action look <a href="https://2010.igem.org/Team:Warsaw/Stage3/Results">here</a></div>
 
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<div class="note">ColiStainer</div>
 
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<div><b>We have planned to build a ColiStainer strain. Unfortunately there was not enough time to accomplish this task. Below is original information about ColiStainer concept.</b><br> ColiStainer is a BactoDHL strain expressing various fluorescence proteins (i.e. GFP) fused to various cell localization signals. When ColiStainer invades mammalian cells it releases payload of those proteins, which are transported to various cellular compartments (i.e. mitochondria, nucleus or Golgi apparatus). It causes the compartments to glow in various colors and produces cheaper and easier equivalent of immunohistochemical stain with florophore-conjugated antibodies.</div>
 
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Revision as of 23:34, 31 July 2011

Example Tabs

Project description


RBS Measurement
In order to fine-tune expression of genes used in our project we have conducted measurement of various ribosome binding sites included in 2010 spring distribution. Our list of measured parts includes RBSs both from Community and Anderson's collections.
We have used standard measurement kit composed of promoter BBa_J23100 and GFP+terminator part BBa_I130401. All measurements were carried out using flow cytometer.
Results are here

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