Team:Northwestern/Application

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<div style="margin: -55px 0px 0px 80px;font:35px helvetica; color:#ffffff;"> Considerations</div>
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<div style="margin: -40px 0px 0px 400px;font:35px helvetica; color:#444444;">    &nbsp; Applications</div>
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Applications
 
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We have successfully demonstrated that ''E. Coli'' can be engineered to detect the presence of ''Pseudomonas Aeruginosa'' autoinducers.  Our project opens up a wide range of possibilities for future iGEM projects and even commercial devices. We hope that one day our work will make it easier to detect and combat ''Pseudomonas'' infections in clinical applications.  
We have successfully demonstrated that ''E. Coli'' can be engineered to detect the presence of ''Pseudomonas Aeruginosa'' autoinducers.  Our project opens up a wide range of possibilities for future iGEM projects and even commercial devices. We hope that one day our work will make it easier to detect and combat ''Pseudomonas'' infections in clinical applications.  

Revision as of 03:53, 24 September 2011

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We have successfully demonstrated that E. Coli can be engineered to detect the presence of Pseudomonas Aeruginosa autoinducers. Our project opens up a wide range of possibilities for future iGEM projects and even commercial devices. We hope that one day our work will make it easier to detect and combat Pseudomonas infections in clinical applications.


In the immediate future, there are several ways to expand upon our project. One goal we were not able to accomplish is to match up the two different quorum sensing receptors with two different reporter genes. This would allow for more detailed information about the life stage of detected Pseudomonas. In addition, the two separate signals could be used as part of an AND gate to reduce the risk of false positives. Another area that could be expanded upon is genomic promoters. We have sent two autoinducer-activated genomic promoters to the registry, but there are literally hundreds more within the genome. Each promoter likely has slightly different properties and sensitivities, so perhaps there are ones particularly well suited for a detection system. Characterization and analysis of genomic promoters could allow for increased signal strength or decreased response time.


In the long term, this technology offers great potential for a rapid Pseudomonas detection system. Existing commercial methods require a potential sample to be grown overnight, but our system saw measurable GFP transcription within an hour of induction. We envision the development of a handheld device that can be carried though a hospital, consisting of two chambers. One chamber would contain our engineered E. Coli, while a potential Pseudomonas sample would be placed in the other. The contents of the chambers would then be mixed and the device could be analyzed for the presence of a reporter. This faster diagnosis method could allow for quicker treatment in patients, and the detection of Psedeumonas in the hospital environment could also dramatically lower the incidence of this common nosocomial infection.