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Team:EPF Lausanne/Project
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Revision as of 21:45, 26 October 2010
Contents |
Overview
Our project idea
The aim of our project is to help stopping the propagation of Malaria. To do so, we chose to act on the mosquito. Indeed, if we prevent the mosquito from being infected by malaria, it won't be able to transmit the parasite to healthy humans.
Our idea is to engineer Asaia, a bacterium that is naturally present in the mosquito's intestinal tract.
This bacteria would express an immunotoxin and specific proteins to kill the Plasmodium falciparum or prevent its entry into the epithelium.
The immunotoxin and the proteins then fight the Plasmodium falciparum and thus prevent the mosquito infection.
Asaia is an organism that is not only easy to grow and genetically manipulate but also does not disrupt the ecosystem. We are establishing Asaia as a new chassis so that future iGEM teams can quickly and efficiently engineer new and more potent Asaia strains. This will provide the synthetic biology community with a useful tool in the fight against malaria and other mosquito-borne diseases.
So... ASAIA is the pink power against malaria.....
For a playful overview of our project, you can watch our great movie
iGEM EPFL movie
Our results
Further improvements
The next step would be to test Asaia that expresses the immunotoxin in mosquitoes. The efficiency of the immunotoxin could then be measured by counting the number of oocysts outside the mosquito's gut. We are currently collaborating with the Pasteur Institute in Paris to make further test on mosquitoes with our bacteria but unfortunately the results won't be available before this year's jamboree.
Some modeling experiments should also be done to try to measure the impact of introducing our modified bacteria in mosquitoes populations. According to the [http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6VRT-4V3K67R-B&_user=164550&_coverDate=12%2F09%2F2008&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_acct=C000013218&_version=1&_urlVersion=0&_userid=164550&md5=52110befa7e6dce2da04feff33af38dc&searchtype=a literature], Asaia is transmitted from parent to offspring and also from one individual to the other but further measurement should be made to see how quick the spreading would be. Using these values, it might be possible to find out the best way to infect the most mosquitoes without risking an uncontrolled expansion of the bacteria population.
