Team:Cambridge/Project/FluorideRiboswitch

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Previous iGEM teams have charaterised an impressive array of inducible promoters, along with other elements of biosensing circuitry... Read More

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Fluoride riboswitch

We also plan on implementing and characterising a Fluoride riboswitch. This, unlike the Magnesium construct, is a positive regulator. The riboswitch, originally isolated from Bacillus cereus, serves as a transcriptional attenuator in the abscence of fluoride. In the presence of fluoride its conformation changes and the repression is lifted. In B. cereus this serves to permit translation of a fluoride efflux pump, which allows the bacteria to cope with the, potentially toxic, elevated fluoride levels in which it finds itself.

The construct we hope to make is shown below:

Our riboswitch construct for the detection of fluoride.

References

Jenny L. Baker et al., Widespread Genetic Switches and Toxicity Resistance Proteins for Fluoride, Science 335, 233-235.

Revision as of 13:14, 15 August 2012 (view source) Olijme (Talk \| contribs) (→Fluoride riboswitch) ← Older edit		Revision as of 13:15, 15 August 2012 (view source) Olijme (Talk \| contribs) (→Fluoride riboswitch) Newer edit →
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	The construct we hope to make is shown below:		The construct we hope to make is shown below:

-	[[File: F-riboswitch.png\|~~700px~~\|center\|thumb\|Our riboswitch construct for the detection of fluoride.]]	+	[[File: F-riboswitch.png\|750px\|center\|thumb\|Our riboswitch construct for the detection of fluoride.]]