Difference between revisions of "Team:iTesla-SoundBio/description"

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<a href="#graphicsum">Top</a>
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<a href=#sum>Summary</a>
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<a href=#1>Horseshoe Crabs</a>
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<a href=#2>Current Practice</a>
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<a href=#3>LAL and Factor C</a>
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<a href=#4>Project Goal</a>
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<a href=#5>Project Design</a>
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<a href=#6>What's next</a>
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<a href=#bibli>Bibliography</a>
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Revision as of 00:05, 30 September 2018

Build the change

You want to see in the world

DID YOU KNOW? Every year, hundreds of thousands of horseshoe crabs are caught each year and drained of up to to 30% of their blood. Why? To collect LAL, a chemical that is crucial in the detection of endotoxins in everything from drugs to medical equipment

Construct design: The goal for our project is to insert Factor C gene into the chromosomal DNA of B. Subtilis, and have it express this Factor C protein. At the same time, to fulfill iGEM competition requirements, we also need to insert Factor C gene into E.coli plasmid pSB1C3 and submit it as a biobrick for iGEM competition. We decided to insert Factor C gene into E.coli plasmid pSB1C3 first; then, integrate Factor C gene into the chromosomal DNA of B. Subtilis using pAX01 integration factor (a B. Subtilis specific plasmid). Biobrick Factor C in E.coli pSB1C3 We couldn't order Factor C from factory because it is too large (about 3000 base pairs https://benchling.com/itesla-soundbio/f/gPUeHZXf-drafts/seq-Jq87odxl-psb1c3factor-c/edit), so we order it as two fragments, FC1 and FC2. First, insert FC1 into pSB1C3. Then, insert FC2 into the plasmid, too. This pSB1C3 with full Factor C will be submitted for biobrick. Integration Factor C in B. Subtilis Chromosomal DNA. We then digest full Factor C from Biobrick, and insert it into pAX01, a B. Subtilis integration factor. Then, we transform B. Subtilis with pAX01. After plasmid pAX01 enters B. Subtilis, there is a chance that it will integrate into chromosomal DNA. Expression Factor C protein extract B. Subtilis are used to express Factor C because they are gram positive and will not damage the Factor C protein. In contrast, E. coli is gram negative and will cleave FC protein. After B. Subtilis express and produce Factor C, we can then extract Factor C protein for further experiment.