Team:Leicester/Project

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== '''Overall project''' ==
== '''Overall project''' ==
Our project is about trying to reduce the waste going to landfill by engineering a bacteria to degrade polystyrene. Some bacteria have been found to form biofilms on polystyrene, indicating that polystyrene may be being degraded. We have several different parts to our project, including a citizen science experiment (CSE).
Our project is about trying to reduce the waste going to landfill by engineering a bacteria to degrade polystyrene. Some bacteria have been found to form biofilms on polystyrene, indicating that polystyrene may be being degraded. We have several different parts to our project, including a citizen science experiment (CSE).
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=== The Citizen Science Experiment ===
 
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The CSE was used to get the public involved in trying to find bacteria that could live on, and degrade expanded polystyrene (EPS). We asked them to bury a strip of EPS in the ground and leave it for a length of time (around 2 months), to find out whether bacteria might establish colonies, thus indicating that a colony could at the very least bind to, and possibly degrade EPS. The kits were Risk Assessed, and a copy of the assessment was included in the kit, along with instructions, a strip of EPS, and a self seal bag to put the EPS into. This was all contained in a stamped, addressed envelope at a cost to the public of £2 (+50p postage if bought online via  our blog to cover the cost of sending the kit to the person). We recently had our first batch of kits back, ready to analyse.
 
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The hope is that we'll find a bacteria that has been using polystyrene as a carbon source, so we can extract the genes responsible and attach them to high expression promoters to increase the amount of protein each bacterium produces. We will also be trying mutagenesis on these bacteria to increase the rate of reaction of the enzymes involved in the pathway.
 
== Project Details==
== Project Details==

Revision as of 14:36, 9 July 2012


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Contents

Overall project

Our project is about trying to reduce the waste going to landfill by engineering a bacteria to degrade polystyrene. Some bacteria have been found to form biofilms on polystyrene, indicating that polystyrene may be being degraded. We have several different parts to our project, including a citizen science experiment (CSE).

Project Details

Part 2

The Experiments

Plating out the returned Citizen Science Experiment kits

The first part involves halving the expanded polystyrene lengthways (EPS) with sterilized scissors in our returned citizen science experiment (CSE) kits so that we'll still have some of each sample left should we need it. First we need to do a practice with unused EPS strips (control and test). Pour/pipette 20ml LB agar into a petri dish and allow to set. Put line down middle in permanent marker USING RULER! Add PBS to the half strip of EPS and scrape with spreader, before spreading onto the left half of the agar (or side labeled as 'swab'). Try to swab any mud off the strip if possible. Then place the half strip in the centre of the other half labeled 'strip'. Leave for a week at room temperature on the lab bench and examine agar for colonies. The other half of the strip should be put back into cold storage for future use.

--Luke Thompson 07:51, 9 July 2012 (CDT)

Part 3

Results

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