Difference between revisions of "Team:East Chapel Hill"

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Revision as of 14:10, 26 June 2018

East Chapel Hill
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Caption Text
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Caption Two
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Caption Three

Project Description

In many poor countries, excess concentrations of fluoride have entered water sources through erosion of sediment and minerals. These toxic concentrations, which are defined by the World Health Organization to be above 1.0mg/L, may result in an array of health complications. Fluoride has been known to induce cell stress, which in turn impairs the function of ameloblasts who are tasked with forming dental enamel. The resulting disease is dental fluorosis, which manifests in the teeth as porous and yellowed enamel. Other potential consequences of exposure to toxic fluoride levels include skeletal fluorosis, which may result in bone deformities, as well as impaired development.
Our project involves the development of an operon that will serve as a visual indicator of excess fluoride. We plan to develop and improve the operon created by last year’s iGEM team by experimenting with different fluoride riboswitches and promoters. We hope to find promoters that have an increased gene expression and riboswitches that have increased affinity to fluoride. This would allow for our operon to detect fluoride at levels even lower than 1.0mg/L, a significant improvement from the previous operon. Additionally, we may be able to find different riboswitches that function across a spectrum of fluoride concentrations. By combining them, we could potentially create an indicator that shows the actual amount of fluoride in the water, rather than one that only specifies if the concentrations are above a certain threshold.