Team:Cornell

From 2009.igem.org

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(Project Abstract)
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Revision as of 03:52, 22 October 2009

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The Project Background Chassis Design Standardization Parts Submitted to the Registry Notebook The Team

Project Abstract

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The goal of our project is to create a whole cell cadmium biosensor by attaching cadmium responsive promoters in Bacillus subtilis to fluorescent reporter proteins. Cadmium is a toxic heavy metal which has no known biological function. Ingestion of cadmium contaminated water can induce bone fractures and severe renal damage. Major sources of cadmium contamination include fertilizers, sewage sludge, manure and atmospheric deposition. Cadmium contaminated sewage is often used for irrigation purposes in many parts of the world, especially in developing nations. Crops grown in these contaminated soils are then sold in markets without any detoxification treatment. Current analytical methods such as atomic absorption spectroscopy, though highly sensitive, are significantly more expensive than bacterial biosensors and are unable to measure the amount of bioavailable cadmium.