Team:IvyTech-South Bend

From 2012.igem.org

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Welcome to the Homepage of the
Welcome to the Homepage of the
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SouthBend & Mishawaka, Indiana, USA
SouthBend & Mishawaka, Indiana, USA
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<td><a href="url">Home</a></td>
 
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<td><a href="http://Team:IvyTech-South_Bend/Project">Project</a></td>
 
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''"The Arsenator": A ''Tuneable'' Biosensor for Arsenic in Groundwater!!!"''
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''The Arsenator'': A Tuneable Biosensor for Arsenic!!!"''
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<h1> Optimization of a Bacteria-based Biosensor for Arsenic in Drinking Water
 
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Millions of people worldwide are exposed to toxic levels of arsenic in drinking water. Bacteria have an efflux operon regulated by an arsenic sensitive inducible promoter. It is possible through recombinant DNA technology to isolate this promoter and combine it to a reporter system and transform bacteria to create a biosensor for arsenic. Induction of the arsenic-sensitive promoter occurs by the binding of arsenite to an inhibitory protein, de-repressing transcription. We have observed the arsenic responsive promoter from E. coli to have a consistent, low level of background induction. We have tested the hypothesis that by increasing the quantity of the inhibitory protein in the cell, we can quantifiably raise the threshold of the response. Our intention is to create a tunable biosensor to form the basis of a low-tech device that can reliably detect dangerous levels of arsenic in water for use in the developing world.
 
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|TEAM IvyTech is the BEST!!!
 
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|align="center"|[[Team:IvyTech-South_Bend | Team IvyTech-South_Bend]]
 
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== Optimization of a Bacteria-based Biosensor for Arsenic in Drinking Water ==
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<br>
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Millions of people worldwide are exposed to toxic levels of arsenic in drinking water. Bacteria have an efflux operon regulated by an arsenic sensitive inducible promoter. It is possible through recombinant DNA technology to isolate this promoter and combine it to a reporter system and transform bacteria to create a biosensor for arsenic. Induction of the arsenic-sensitive promoter occurs by the binding of arsenite to an inhibitory protein, de-repressing transcription. We have observed the arsenic responsive promoter from E. coli to have a consistent, low level of background induction. We have tested the hypothesis that by increasing the quantity of the inhibitory protein in the cell, we can quantifiably raise the threshold of the response. Our intention is to create a tunable biosensor to form the basis of a low-tech device that can reliably detect dangerous levels of arsenic in water for use in the developing world.
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<!--- The Mission, Experiments --->
 
{| style="color:#1b2c8a;background-color:#0c6;" cellpadding="3" cellspacing="1" border="1" bordercolor="#fff" width="62%" align="center"
{| style="color:#1b2c8a;background-color:#0c6;" cellpadding="3" cellspacing="1" border="1" bordercolor="#fff" width="62%" align="center"
!align="center"|[[Team:IvyTech-South_Bend|Home]]
!align="center"|[[Team:IvyTech-South_Bend|Home]]
!align="center"|[[Team:IvyTech-South_Bend/Team|Team]]
!align="center"|[[Team:IvyTech-South_Bend/Team|Team]]
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!align="center"|[https://igem.org/Team.cgi?year=2012&team_name=IvyTech-South_Bend Official Team Profile]
!align="center"|[[Team:IvyTech-South_Bend/Project|Project]]
!align="center"|[[Team:IvyTech-South_Bend/Project|Project]]
!align="center"|[[Team:IvyTech-South_Bend/Parts|Parts Submitted to the Registry]]
!align="center"|[[Team:IvyTech-South_Bend/Parts|Parts Submitted to the Registry]]

Latest revision as of 03:19, 4 October 2012

Welcome to the Homepage of the
DNA Architects of
SouthBend & Mishawaka, Indiana, USA

The Arsenator: A Tuneable Biosensor for Arsenic!!!"


Optimization of a Bacteria-based Biosensor for Arsenic in Drinking Water


Millions of people worldwide are exposed to toxic levels of arsenic in drinking water. Bacteria have an efflux operon regulated by an arsenic sensitive inducible promoter. It is possible through recombinant DNA technology to isolate this promoter and combine it to a reporter system and transform bacteria to create a biosensor for arsenic. Induction of the arsenic-sensitive promoter occurs by the binding of arsenite to an inhibitory protein, de-repressing transcription. We have observed the arsenic responsive promoter from E. coli to have a consistent, low level of background induction. We have tested the hypothesis that by increasing the quantity of the inhibitory protein in the cell, we can quantifiably raise the threshold of the response. Our intention is to create a tunable biosensor to form the basis of a low-tech device that can reliably detect dangerous levels of arsenic in water for use in the developing world.


Home Team Official Team Profile Project Parts Submitted to the Registry Modeling Notebook Safety Attributions