Team:Hannover/Project

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<h1>Concept / Old routes – new ideas</h1>
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<p class="text">Since 2007, 17 teams from 8 different countries have already chosen the problem of heavy metals in our environment as their topic. A total of 13 medals have been awarded in this subject area. This shows how relevant and highly topical the subject is. While other teams have concentrated more on detection and quantification, we want to go one step further with our concept of plant-based water and soil decontamination.<a href="https://2014.igem.org/Team:Hannover/Background_Heavy_metals"> Here you find more background about heavy metals...</a><br><br>With our project we combine cleaning nature by using nature itself: We want to equip plants with a protein which binds four different heavy metals at the same time and hence brings a significant reduction in the heavy metal concentration of grounds and seas about. We thus hope to achieve more extensive binding of hazardous heavy metals than that achieved by conventional methods.</p>
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<h1 >WELCOME TO iGEM 2014! </h1>
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<p>Your team has been approved and you are ready to start the iGEM season!
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<br>On this page you can document your project, introduce your team members, document your progress <br> and share your iGEM experience with the rest of the world! </p>
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<p style="color:#E7E7E7"> <a href="https://2014.igem.org/wiki/index.php?title=Team:Hannover/Project&action=edit"style="color:#FFFFFF"> Click here  to edit this page!</a> </p>
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<a href="https://2014.igem.org/Team:Hannover"style="color:#000000">Home </a> </td>
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<a href="https://2014.igem.org/Team:Hannover/Team"style="color:#000000"> Team </a> </td>
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<a href="https://igem.org/Team.cgi?year=2014&team_name=Hannover"style="color:#000000"> Official Team Profile </a></td>
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<a href="https://2014.igem.org/Team:Hannover/Project"style="color:#000000"> Project</a></td>
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<a href="https://2014.igem.org/Team:Hannover/Attributions"style="color:#000000"> Attributions </a></td>
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<p>Tell us more about your project. Give us background.  Use this as the abstract of your project.  Be descriptive but concise (1-2 paragraphs) </p>
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<p class="text">1. step: Transformation of plants</p>
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<h3>References </h3>
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iGEM teams are encouraged to record references you use during the course of your research. They should be posted somewhere on your wiki so that judges and other visitors can see how you though about your project and what works inspired you. </p>  
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<p class="text">2. step: Secretion and immobilizing</p>
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<p> You can use these subtopics to further explain your project</p>
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It's important for teams to describe all the creativity that goes into an iGEM project, along with all the great ideas your team will come up with over the course of your work.  
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<p class="text">3. step: Water and soil decontamination</p>
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<h1>Plant Against: Our path finding a solution</h1>
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<p class="text">We created a protein for binding heavy metals that is intended to be expressed and produced in plants. This protein, called Top4-Metal-Binding-Protein (T4MBP), contains 4 different domains of methallothioneins. Each domain originates from a different organism and is specific to a different heavy metal: Copper, Arsenic, Zinc and Cadmium. To avoid cytotoxic effects on the plant caused by the heavy metals, we decided to put T4MBP out of the cell. With a secretion signal (Expa4) the T4MBP is directed to the extracellular space. Via a fused cellulose binding domain (CBD) at the C-term, the protein is attached to the cell wall. We completed this construct with an optimized 5'UTR. The entire construct was synthesized and cloned into the target vector: The binary vector pORE_E3 in which we exchanged the promoter with a 2x35S promoter. This pORE_E3_2x35S_T4MBP_CDB vector was used to transform our plants.
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<p class="text">We decided to demonstrate the principle initially in the model organisms <i>Arabidopsis thaliana</i> (<i>A. thaliana</i>) and <i>Nicotiana tabacum</i> (<i>N. tabacum</i>) with the aid of a transformation by <i>Rhizobium radiobacter</i> (formerly <i>Agrobacterium tumefaciens</i>).<a href="https://2014.igem.org/Team:Hannover/Background_Arabidopsis"> For what reason...?</a></p>
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<h1>Project overview</h1>
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<tr><td><h4>Steps</h4></td><td><h4>Subproject</h4></td><td><h4>How?</h4></td></tr>
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<tr><td>1.</td><td>Construction of our T4MBP sequence</td><td>Selection, research and bioinformatics</i><a href="https://2014.igem.org/Team:Hannover/Background_bioinformatics"> How...?</a></td></tr>
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<tr><td>1.1</td><td>T4MBP Plant</td><td>Solid transformation of <i>A. thaliana</i><a href="https://2014.igem.org/Team:Hannover/Background_Arabidopsis"> For what reason...?</a></td></tr>
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<tr><td>1.2 A</td><td>Heterologous expression of our T4MBP</td><td>Using <i>E. coli</i> as an expression system<a href="https://2014.igem.org/Team:Hannover/Background_pASK"> For what reason...?</a></td></tr>
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<tr><td>1.2 B</td><td>Heterologous expression of our T4MBP</td><td>Using <i>N. tabacum</i> as an transient expression system</td></tr>
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<tr><td>1.2.1</td><td>Quantitative analysis of our T4MBP</td><td>ICP-OES analysis <a href="https://2014.igem.org/Team:Hannover/Background_ICP_OES"> What´s that...?</a></td>
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<tr><td>1.3</td><td>GFP: localization of the CBD within a plant cell</td><td>CBD fused with GFP, transiently inserted via leaf-infiltration and taking a look using a confocal microscope</td></tr>
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<tr><td>2.</td><td>Plant vector RFC[21]</td><td>We want to provide iGEM a new plant vector with BioBrick RFC[21]MCS and 2x35S promotor. <a href="Background_Plant_Vector">For what reason...?</a></td></tr>
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Latest revision as of 19:38, 17 October 2014

Concept / Old routes – new ideas

Since 2007, 17 teams from 8 different countries have already chosen the problem of heavy metals in our environment as their topic. A total of 13 medals have been awarded in this subject area. This shows how relevant and highly topical the subject is. While other teams have concentrated more on detection and quantification, we want to go one step further with our concept of plant-based water and soil decontamination. Here you find more background about heavy metals...

With our project we combine cleaning nature by using nature itself: We want to equip plants with a protein which binds four different heavy metals at the same time and hence brings a significant reduction in the heavy metal concentration of grounds and seas about. We thus hope to achieve more extensive binding of hazardous heavy metals than that achieved by conventional methods.

1. step: Transformation of plants

2. step: Secretion and immobilizing

3. step: Water and soil decontamination

Plant Against: Our path finding a solution

We created a protein for binding heavy metals that is intended to be expressed and produced in plants. This protein, called Top4-Metal-Binding-Protein (T4MBP), contains 4 different domains of methallothioneins. Each domain originates from a different organism and is specific to a different heavy metal: Copper, Arsenic, Zinc and Cadmium. To avoid cytotoxic effects on the plant caused by the heavy metals, we decided to put T4MBP out of the cell. With a secretion signal (Expa4) the T4MBP is directed to the extracellular space. Via a fused cellulose binding domain (CBD) at the C-term, the protein is attached to the cell wall. We completed this construct with an optimized 5'UTR. The entire construct was synthesized and cloned into the target vector: The binary vector pORE_E3 in which we exchanged the promoter with a 2x35S promoter. This pORE_E3_2x35S_T4MBP_CDB vector was used to transform our plants.

We decided to demonstrate the principle initially in the model organisms Arabidopsis thaliana (A. thaliana) and Nicotiana tabacum (N. tabacum) with the aid of a transformation by Rhizobium radiobacter (formerly Agrobacterium tumefaciens). For what reason...?

Project overview

Steps

Subproject

How?

1.Construction of our T4MBP sequenceSelection, research and bioinformatics How...?
1.1T4MBP PlantSolid transformation of A. thaliana For what reason...?
1.2 AHeterologous expression of our T4MBPUsing E. coli as an expression system For what reason...?
1.2 BHeterologous expression of our T4MBPUsing N. tabacum as an transient expression system
1.2.1Quantitative analysis of our T4MBPICP-OES analysis What´s that...?
1.3GFP: localization of the CBD within a plant cellCBD fused with GFP, transiently inserted via leaf-infiltration and taking a look using a confocal microscope
2.Plant vector RFC[21]We want to provide iGEM a new plant vector with BioBrick RFC[21]MCS and 2x35S promotor. For what reason...?





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