Team:Arizona State/teamprofile

From 2014.igem.org

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<td width="90%" ><p><strong style="font-size: 34px">The Arizona State University iGEM team</strong></p>
<td width="90%" ><p><strong style="font-size: 34px">The Arizona State University iGEM team</strong></p>
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   <p>The Arizona State University iGEM team has taken on a project of creating biodiesel in a new and efficient way using Escherichia coli. Using a wax esterase, fatty acids and ethanol, which are both naturally produced by E. coli, can be combined to form biodiesel. However, E. coli uses the same intermediate products to produce both fatty acids and ethanol, which reduces the efficiency of this process. This problem can be avoided by engineering two different strains of E. coli to work in tandem. One strain will be focused on producing free fatty acids (FFA) through increased production of enzymes such as TesA and acc. The other strain will be focused on producing ethanol through the increased production of enzymes such as pdc and adhB. These two products can be combined in one of the two cells using a waxy esterase, producing the final biodiesel product. This form of cooperative production will hopefully produce more ethanol than current single strain methods using E. coli.</p></td>
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  <p><strong>Ethanol Production Parts</strong> <br>
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    To optimize ethanol production in our EtOH strain, we wanted to overexspress the pyruvate decarboxylase (pdc) and alcohol dehydrogenase B(adhB) enzymes in order to maximize the amount of ethanol being produced. The iGEM registry contained the part BBa_k1122676, made by Edinburgh in 2013. This part was compared to another plasmid containing pdc/adhB, donated by Dr. David Neilsen. The results indiciated that the BBa_k1122676 was the better ethanol producer, making it the key component of the EtOH strain. Registry page: http://parts.igem.org/Part:BBa_K1122676</p>
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  <p><strong>Fatty Acid Production Parts</strong> <br>
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    In order to maximize the amount of fatty acetyl-coenzyme A molecules being produced in the fatty acid strain, two enzymes were targeted for overproduction. The first was the thioesterase A (TesA) protein, which takes the fatty Acyl-ACP produced from glycolysis and produces free fatty acid chains. The part BBa_K654058 codes for this protein, but it does not have a promoter or an RBS.  </p>
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  <p><strong>Biodesiel Synthesis Parts</strong> <br>
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    Consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat  </p>
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Revision as of 18:20, 15 October 2014


home team team profile project parts modeling notebook safety attributions

 

 

The Arizona State University iGEM team

 

Ethanol Production Parts
To optimize ethanol production in our EtOH strain, we wanted to overexspress the pyruvate decarboxylase (pdc) and alcohol dehydrogenase B(adhB) enzymes in order to maximize the amount of ethanol being produced. The iGEM registry contained the part BBa_k1122676, made by Edinburgh in 2013. This part was compared to another plasmid containing pdc/adhB, donated by Dr. David Neilsen. The results indiciated that the BBa_k1122676 was the better ethanol producer, making it the key component of the EtOH strain. Registry page: http://parts.igem.org/Part:BBa_K1122676

 

 

Fatty Acid Production Parts
In order to maximize the amount of fatty acetyl-coenzyme A molecules being produced in the fatty acid strain, two enzymes were targeted for overproduction. The first was the thioesterase A (TesA) protein, which takes the fatty Acyl-ACP produced from glycolysis and produces free fatty acid chains. The part BBa_K654058 codes for this protein, but it does not have a promoter or an RBS.

 

 

Biodesiel Synthesis Parts
Consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat

 

 

  

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