Team:PEA Exeter NH

From 2014hs.igem.org

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Latest revision as of 01:48, 26 April 2014

PEA

Team Goal: To Create a Fracking Run-Off Detector

Fracking, or hydraulic fracturing, is a controversial process that is commonly used to extract natural gas from underground deposits. However this process can result in toxic runoff. Our goal is to create a bacteria that could identify the toxic runoff thus notifying people of the danger and limiting its consumption. We are using naphthalene and catechol breakdown genes to convert naphthalene into catechol and catechol into a benign yellow waste product, allowing contamination to be easily visualized as well as neutralized.

See our poster!

Contact Us:

peaigem@gmail.com

Address:

20 Main St.
Exeter, NH 03833
peaigem.com/igem2014
Tel: 603-772-8311

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-<p>Fracking, or hydraulic fracturing, is a process by which highly pressurized liquid is used to create hairline fractures in rocks, particularly shale. Water, natural gas, brine, petroleum and other fluids then migrate into the well via the fractures, where it is harvested and refined into the natural gas and petroleum that we use everyday. Fracking has gained popularity due to its ability to extract deposits that were previously unreachable. Worldwide, there are more than 2.5 million fracking jobs. However, this method of extraction comes at a price. The fractures created during the fracking process could act as a conduit for petroleum and natural gas to migrate into groundwater. This intrusion affects both the environment due to lake and pond contamination and human health due to drinking water contamination.The hydrocarbons associated with petroleum and natural gas are often very difficult to detect in drinking water, making the consequences of groundwater contamination even greater. Additionally, new studies have linked fracking with the presence of radium in water runoff. Current laws require only infrequent testing for radioactivity in public drinking water systems. Therefore discovery of the contamination before widespread consumption of the radioactive water is unlikely. Exposure to radium can result in anemia, cataracts, cancer, and death. Therefore rapid detection of hydrocarbon as well as radiation contaminants is crucial.
-Our team's goal is to produce bacteria that can detect toxic runoff and break down poisonous hydrocarbons. To that end we are using a catechol breakdown gene that will convert catechol into a yellow waste product, allowing contamination to be easily visualized. In addition, we are transforming the bacteria with a naphthalene breakdown gene that will first convert naphthalene to salicylate, and then convert the salicylate to catechol. We will also transform the bacteria with a cell damage promoter (that can be activated in the presence of radiation) attached to a downstream element coding for a blue colored protein. Lastly, we will transform the bacteria with a lead binding protein which dimerizes after binding to lead. The dimerized lead binding protein activates a lead promoter which will promote the transcription of a downstream gene for a visually detectable red fluorescent protein. </p>
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