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| body { | | body { |
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- | background-image: url('http://img.photobucket.com/albums/v26/bluemelon/bg-2-1.jpg'); | + | background-image: url('https://static.igem.org/mediawiki/2012/c/cc/UCD_Bg_1.jpg'); |
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| <div id="newnavi"> | | <div id="newnavi"> |
| <ul class="newmenu"> | | <ul class="newmenu"> |
- | <li ><a href="https://2012.igem.org/" title="Back to iGEM">iGEM</a></li>
| + | <li ><a target="new" href="https://2012.igem.org/" title="Back to iGEM">iGEM</a> |
| + | <ul> |
| + | <li><a target="new" href="https://2012.igem.org/">Main iGEM</a></li> |
| + | <li><a href="https://2012.igem.org/Team:UC_Davis/Criteria">Criteria</a></li> |
| + | <li><a href="https://2012.igem.org/Team:UC_Davis/Human_Practices">Human Practices</a></li> |
| + | </ul> |
| + | </li> |
| | | |
| <li ><a href="https://2012.igem.org/Team:UC_Davis/Attributions" title="Attributions">Attributions</a></li> | | <li ><a href="https://2012.igem.org/Team:UC_Davis/Attributions" title="Attributions">Attributions</a></li> |
| | | |
- | <li ><a href="https://2012.igem.org/Team:UC_Davis/Data" title="Data">Data</a> | + | <li ><a title="https://2012.igem.org/Team:UC_Davis/Data" title="Data">Data</a> |
| <ul> | | <ul> |
- | <li ><a href="https://2012.igem.org/Team:UC_Davis/Data" title="Data">Data</a></li> | + | <li ><a href="https://2012.igem.org/Team:UC_Davis/Data/Cutinase_Activity" title="Data">Cutinase Activity</a></li> |
| + | <li ><a href="https://2012.igem.org/Team:UC_Davis/Data/Ethylene_Glycol" |
| + | title="Data">Ethylene Glycol</a></li> |
| + | <li ><a href="https://2012.igem.org/Team:UC_Davis/Data/Modeling" |
| + | title="Data">Modeling</a></li> |
| + | |
| <li ><a href="https://2012.igem.org/Team:UC_Davis/Parts">Parts</a></li> | | <li ><a href="https://2012.igem.org/Team:UC_Davis/Parts">Parts</a></li> |
| </ul> | | </ul> |
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| <li ><a href="https://2012.igem.org/Team:UC_Davis/Project">Project Overview</a></li> | | <li ><a href="https://2012.igem.org/Team:UC_Davis/Project">Project Overview</a></li> |
| <li ><a href="https://2012.igem.org/Team:UC_Davis/Project/Catalyst">Module Engineering</a></li> | | <li ><a href="https://2012.igem.org/Team:UC_Davis/Project/Catalyst">Module Engineering</a></li> |
| + | <li ><a href="https://2012.igem.org/Team:UC_Davis/Project/Protein_Engineering">Protein Engineering</a></li> |
| <li ><a title="https://2012.igem.org/Team:UC_Davis/Project/Strain">Chassis Engineering </a> | | <li ><a title="https://2012.igem.org/Team:UC_Davis/Project/Strain">Chassis Engineering </a> |
| <ul> | | <ul> |
- | <li><a href="https://2012.igem.org/Team:UC_Davis/Project/Strain">Chassis Engineering</a></li> | + | <li><a href="https://2012.igem.org/Team:UC_Davis/Project/Strain">Background</a></li> |
| <li><a href="https://2012.igem.org/Team:UC_Davis/Project/Directed_Evolution">Directed Evolution</a></li> | | <li><a href="https://2012.igem.org/Team:UC_Davis/Project/Directed_Evolution">Directed Evolution</a></li> |
| <li><a href="https://2012.igem.org/Team:UC_Davis/Project/Our_Strain">Rational Engineering </a></li> | | <li><a href="https://2012.igem.org/Team:UC_Davis/Project/Our_Strain">Rational Engineering </a></li> |
| </ul> | | </ul> |
| </li> | | </li> |
- | <li ><a href="https://2012.igem.org/Team:UC_Davis/Project/Protein_Engineering">Protein Engineering</a></li>
| |
| </ul> | | </ul> |
| </li> | | </li> |
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| <div id="slides"> | | <div id="slides"> |
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- | <img src="http://img.photobucket.com/albums/v26/bluemelon/slide-1-2.jpg" width="850" height="280" alt="" class="current" /> | + | <img src="https://static.igem.org/mediawiki/2012/c/cf/UCD_slide1.jpg" width="850" height="280" alt="" class="current" /> |
- | <img src="http://img.photobucket.com/albums/v26/bluemelon/slide-2-2.jpg" width="850" height="280" alt="" /> | + | <img src="https://static.igem.org/mediawiki/2012/e/e3/UCD_Slide_2.jpg" width="850" height="280" alt="" /> |
- | <img src="http://img.photobucket.com/albums/v26/bluemelon/slide-3-2.jpg" width="850" height="280" alt="" /> | + | <img src="https://static.igem.org/mediawiki/2012/d/d9/UCD_Slide_3.jpg" width="850" height="280" alt="" /> |
- | <img src="http://img.photobucket.com/albums/v26/bluemelon/slide-4-2.jpg" width="850" height="280" alt="" /> | + | <img src="https://static.igem.org/mediawiki/2012/a/a4/UCD_Slide_4.jpg" width="850" height="280" alt="" /> |
| </div> | | </div> |
| <ul class="progress"> | | <ul class="progress"> |
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| <h1>Project Overview</h1> | | <h1>Project Overview</h1> |
| <article> | | <article> |
- | Environment-friendly plastic degradation has been a challenging and daunting task for our society. Plastic, one of the greatest discoveries of the 20th century is notoriously difficult to degrade or recycle in an efficient way. The overutilization of plastic and lack of integrated methods for its recycling has created major environmental threats that we are currently facing and will continue at a greater magnitude in the future. The Pacific Gyre patch, 100 million tons of floating trash that consists of nets, bottles, bags, among other more obscure items is such an example. Plastic poses a serious threat to land and marine life, as animals often mistake it for food, or they consume byproducts that result from its partial degradation and are often toxic to them. Interestingly, collisions with floating or submerged waste objects has caused 269 boating accidents, resulting in 15 deaths, 116 injuries and 3 million dollars in damage, although this numbers are trivial when compared to the billion dollar catastrophes and uncertain future that this environmental hazard imposes to our society. | + | Environment-friendly plastic degradation has been a challenging and daunting task for our society. Plastic, one of the greatest discoveries of the 20th century is notoriously difficult to degrade or recycle in an efficient way. The overutilization of plastic and lack of integrated methods for its recycling has created major environmental threats that we are currently facing and will continue at a greater magnitude in the future. The Pacific Gyre patch, 3.5 million tons of floating trash that consists of nets, bottles, bags, among other more obscure items is such an example [2]. Plastic poses a serious threat to land and marine life, as animals often mistake it for food, or they consume byproducts that result from its partial degradation and are often toxic to them. Interestingly, collisions with floating or submerged waste objects has caused 269 boating accidents, resulting in 15 deaths, 116 injuries and 3 million dollars in damage, although this numbers are trivial when compared to the billion dollar catastrophes and uncertain future that this environmental hazard imposes to our society [3]. Furthermore, "It costs the state of California an estimated $72 million per year to collect and dispose of one-time use disposable cups and bags. In addition, it costs California an estimated $52.2 million per year to attempt to keep our beaches clean. In total, the current annual costs to public agencies for litter prevention, cleanup, and disposal is $375.2 million" [2]. |
| | | |
- | <br><br>The Polyethylene terephthalate (PET) is a commonly used plastic due to its durability and molecular stability, but its high molecular weight and hydrophobicity also make it one of the hardest plastics to degrade. Although the PET recycling rate has increased from 7% to 30% in the last few years, a majority of the plastic is still dumped in landfills and continues to pollute the environment. Most plastics are made from petroleum, oil or natural gas, and a variety of chemicals that are toxic to humans (including ethylene glycol). Phthalates and Bisphenol-A (BPA) are the most common types of chemicals used to make plastic materials. Phthalates have been known to cause diseases related to cancer or hormonal imbalances. BPA is often known to leak from bottles and migrate into liquids and foods it comes into contact with. Within the landfills, rainwater can trickle through the trash, creating toxic leachate. The leachate carries microorganisms and toxic chemicals into drinking water sources. Instead of approaching the problem by reducing the amount of input coming in, most firms are simply increasing the amount of bioplastic. These “biobottles” are only 30% biodegradable, meaning that there is still an influx of non-biodegradable plastic coming into our environment. | + | <br> |
| + | <center><img src="https://static.igem.org/mediawiki/2012/a/ad/Landfilllandscape.jpg"></center><br>Polyethylene terephthalate (PET) is a commonly used plastic due to its durability and molecular stability, but its high molecular weight and hydrophobicity also make it one of the hardest plastics to degrade. Although the PET recycling rate has increased from 7% to 30% in the last few years, a majority of the plastic is still dumped in landfills and continues to pollute the environment [1]. Most plastics are made from petroleum, oil or natural gas, and a variety of chemicals that are toxic to humans (including ethylene glycol). Phthalates and Bisphenol-A (BPA) are the most common types of chemicals used to make plastic materials. Phthalates have been known to cause diseases related to cancer or hormonal imbalances. BPA is often known to leak from bottles and migrate into liquids and foods it comes into contact with. Within the landfills, rainwater can trickle through the trash, creating toxic leachate. The leachate carries microorganisms and toxic chemicals into drinking water sources [2]. Instead of approaching the problem by reducing the amount of input coming in, most firms are simply increasing the amount of bioplastic. These “biobottles” are only 30% biodegradable, meaning that there is still an influx of non-biodegradable plastic coming into our environment [4]. Currently, the processes to recycle these plastics are churning out energy, water, and greenhouse gases, creating a process that is more wasteful than sustainable. |
| | | |
- | <br><br>This year, the UC Davis IGEM team aspires to use synthetic biology techniques to create a microbial strain that has the capacity to metabolize PET and degrade it to non-toxic compounds. To achieve this outcome, we utilize targeted bioengineering and directed evolution techniques on the E. coli MG1655 strain, currently one of the most well-studied organisms. More specifically, the goals of our project are: | + | <br><br><center><img src="https://static.igem.org/mediawiki/2012/a/a1/Saharsaharsahar.JPG" ></center><br>This year, the UC Davis IGEM team aspires to use synthetic biology techniques to create a microbial strain that has the capacity to metabolize PET and degrade it to non-toxic compounds. To achieve this outcome, we utilize targeted bioengineering and directed evolution techniques on the E. coli MG1655 strain, currently one of the most well-studied organisms. More specifically, the goals of our project are: |
| | | |
| <br><br>1. Targeted bioengineering of <i>E. coli</i> MG1655 to utilize PET as a carbon source. We seek to this by introducing a couple different modules to the strain. The first module encodes a cutinase gene which has been found to degrade PET into ethylene glycol and terephthalic acid. The second encodes the first two enzymes in a pathway that has been found to feed ethylene glycol into the TCA cycle. | | <br><br>1. Targeted bioengineering of <i>E. coli</i> MG1655 to utilize PET as a carbon source. We seek to this by introducing a couple different modules to the strain. The first module encodes a cutinase gene which has been found to degrade PET into ethylene glycol and terephthalic acid. The second encodes the first two enzymes in a pathway that has been found to feed ethylene glycol into the TCA cycle. |
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| <br><br>2. Rational protein engineering to increase the enzymatic activity of cutinase to degrade PET. | | <br><br>2. Rational protein engineering to increase the enzymatic activity of cutinase to degrade PET. |
| | | |
- | <br><br>3. Directed evolution of the PET degradation pathway to increase its efficiency of PET metabolism in E. coli cultures. | + | <br><br>3. Directed evolution of the ethylene glycol degradation pathway to increase its efficiency of ethylene glycol metabolism in E. coli cultures. Reintroduction of the glycolaldehyde reductase and glycolaldehyde dehydrogenase enzymes in various constructs to MG1655 and E-15 EG3 to increase the ethylene glycol consumption beyond E-15 EG3’s original capabilities. |
| </article></div> | | </article></div> |
| | | |
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| <div id="myleftbox" class="smallbox"><h1> References </h1> | | <div id="myleftbox" class="smallbox"><h1> References </h1> |
| <article> | | <article> |
- | insert text
| + | |
| + | 1. Mazzoni, Mary. "PET Bottle Recycling Tops 1.5 Billion Pounds." Earth911. N.p., 13 Oct. 2011. Web. 4 Aug. 2012. <br>http://earth911.com/news/2011/10/13/pet-bottle-recycling-tops-1-5-billion-pounds/ |
| + | <br> |
| + | 2. "Pollution Prevention." Save Our Shores. Earth Resources, n.d. Web. 28 July 2012. <br>http://www.saveourshores.org/what-we-do/pollution-prevention.php |
| + | <br> |
| + | 3. "Environmental Impact of The Garbage Patch." Environmentalimpact. University of Maine, Farmington, n.d. Web. 12 Aug. 2012. <br>http://students.umf.maine.edu/kevin.p.leary/public.www/environmentalimpact.html |
| + | <br> |
| + | 4. Ghosh, Labonita. "Green Drive Makes Coca-Cola & Pepsi See Red Once Again." The Economic Times. Bennett, Coleman & Co. Ltd., 23 Feb. 2012. Web. 05 Aug. 2012. <br>http://articles.economictimes.indiatimes.com/2012-02-23/news/31091279_1_coca-cola-bottle-plant-bottle-carbon-footprint |
| + | |
| </article> | | </article> |
| </div> | | </div> |
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| <!-- site map starts here --> | | <!-- site map starts here --> |
| <div id="myleftbox" class="smallboxsite"> | | <div id="myleftbox" class="smallboxsite"> |
- | <ul style="font-size:10px;list-style-image:none;list-style-type:none;float:left;display:inline;color:#000000;" > | + | <ul style="font-size:10px;list-style-image:none;list-style-type:none;float:left;display:inline;color:#000000;" |
- | | + | > |
| | | |
| + | <li style="float:left;margin:0 10px;"><a |
| + | href="https://2012.igem.org/Team:UC_Davis"><p>Home</p><ul |
| + | style="text-indent:-15px; |
| + | list-style-image:none;list-style-type:none;color:#000000;"><li><a |
| + | style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis">Welcome</a> </li><li><a |
| + | style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis">Tweets</a></li><li><a |
| + | style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis">Sponsors</a> </li><li><a |
| + | style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Criteria">Criteria</a> </li> |
| + | </ul> </a> </li> |
| | | |
- | <li style="float:left;margin:0 10px;"><a href="https://2012.igem.org/Team:UC_Davis"><p>Home</p><ul style="text-indent:-15px; | + | <li style="float:left;margin:0 10px;"><a |
- | list-style-image:none;list-style-type:none;color:#000000;"><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis">Welcome</a> </li><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis">Tweets</a></li><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis">Sponsors</a> </li><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Criteria">Criteria</a> </li> </ul> </a> </li> | + | href="https://2012.igem.org/Team:UC_Davis/Team"><p>Team</p><ul |
| + | style="text-indent:-15px; |
| + | list-style-image:none;list-style-type:none;color:#000000;"><li><a |
| + | style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Team">Who we are</a> |
| + | </li><li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Team">Students</a></li><li><a |
| + | style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Team">Advisors</a> </li> |
| + | </ul> </a> </li> |
| | | |
- | <li style="float:left;margin:0 10px;"><a href="https://2012.igem.org/Team:UC_Davis/Team"><p>Team</p><ul style="text-indent:-15px; | + | <li style="float:left ;margin:0 10px;"><a |
- | list-style-image:none;list-style-type:none;color:#000000;"><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Team">Who we are</a> </li><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Team">Students</a></li><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Team">Advisors</a> </li> </ul> </a> </li> | + | href="https://2012.igem.org/Team:UC_Davis/Project "><p>Project</p></a> |
| + | <ul style="text-indent:-15px;list-style-image:none;list-style-type:none;color:#000000"><li><a |
| + | style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Project">Project Overview</a> |
| + | </li><li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Project/Catalyst ">Module |
| + | Engineering</a></li><li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Project/Protein_Engineering |
| + | ">Protein Engineering</a></li> |
| + | <li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Project/Strain ">Chassis |
| + | Engineering</a></li> |
| + | <li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Project/Directed_Evolution "> |
| + | - Directed Evolution</a></li> |
| + | <li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Project/Our_Strain "> - |
| + | Rational Engineering</a></li> |
| + | <li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Criteria">Critera</a> |
| + | </li></ul> </li> |
| | | |
- | <li style="float:left ;margin:0 10px;"><a href="https://2012.igem.org/Team:UC_Davis/Project "><p>Project</p></a> <ul style="text-indent:-15px;list-style-image:none;list-style-type:none;color:#000000"><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Project">Project Overview</a> </li><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Project/Catalyst ">Module Engineering</a></li><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Project/Strain ">Chassis Engineering</a></li> | + | <li style="float:left ;margin:0 10px"><a |
- | <li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Project/Directed_Evolution "> - Directed Evolution</a></li>
| + | href="https://2012.igem.org/Team:UC_Davis/Safety "> <p>Safety</p></a> |
- | <li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Project/Our_Strain "> - Rational Engineering</a></li>
| + | <a style="color:#000000 " |
- | <li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Project/Protein_Engineering ">Protein Engineering</a></li>
| + | href="https://2012.igem.org/Team:UC_Davis/Safety "> Safety</a> </li> |
- | <li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Criteria">Critera</a> </li></ul> </li>
| + | |
| | | |
- | <li style="float:left ;margin:0 10px"><a href="https://2012.igem.org/Team:UC_Davis/Safety "> <p>Safety</p></a> <a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Safety "> Safety</a> </li> | + | <li style="float:left ;margin:0 10px;"><a |
| + | href="https://2012.igem.org/Team:UC_Davis/Notebook "> |
| + | <p>Notebook</p></a> <ul |
| + | style="text-indent:-15px;list-style-image:none;list-style-type:none;color:#000000 |
| + | "><li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Notebook">Notebook</a> |
| + | </li><li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Notebook/Protocols |
| + | ">Protocols</a> </li><li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Notebook/Gallery">Gallery</a> |
| + | </li><li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Criteria">Critera</a> </li> |
| + | </ul> </li> |
| | | |
- | <li style="float:left ;margin:0 10px;"><a href="https://2012.igem.org/Team:UC_Davis/Notebook "> <p>Notebook</p></a> <ul style="text-indent:-15px;list-style-image:none;list-style-type:none;color:#000000 "><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Notebook">Notebook</a> </li><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Notebook/Protocols ">Protocols</a> </li><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Notebook/Gallery">Gallery</a> </li><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Criteria">Critera</a> </li> </ul> </li> | + | <li style="float:left ;margin:0 10px;"><a |
| + | title="https://2012.igem.org/Team:UC_Davis/Data "> <p>Data </p></a> <ul |
| + | style="text-indent:-15px;list-style-image:none;list-style-type:none;color:#000000 |
| + | "><li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Data/Cutinase_Activity "> |
| + | Cutinase Activity</a> </li><li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Data/Ethylene_Glycol "> |
| + | Ethylene Glycol</a> </li><li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Data/Modeling "> |
| + | Modeling</a> </li><li><a style="color:#000000 " |
| | | |
- | <li style="float:left ;margin:0 10px;"><a href="https://2012.igem.org/Team:UC_Davis/Data "> <p>Data </p></a> <ul style="text-indent:-15px;list-style-image:none;list-style-type:none;color:#000000 "><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Data "> Data</a> </li><li><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Parts ">Parts</a></li> </ul>
| + | href="https://2012.igem.org/Team:UC_Davis/Parts ">Parts</a></li> </ul> |
| | | |
- | <li style="float:left ;margin:0 10px"><a href="https://2012.igem.org/Team:UC_Davis/Attributions "> <p>Attribution </p></a><a style="color:#000000 " href="https://2012.igem.org/Team:UC_Davis/Attributions "> Attribution</a></li> | + | <li style="float:left ;margin:0 10px"><a |
| + | href="https://2012.igem.org/Team:UC_Davis/Attributions "> |
| + | <p>Attribution </p></a><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Attributions "> |
| + | Attribution</a></li> |
| | | |
- | <li style="float:left ;margin:0 10px"><a href="https://2012.igem.org/Main_Page "> <p>iGEM </p></a><a style="color:#000000 " href="https://2012.igem.org/Main_Page " > iGEM</a></li> | + | <li style="float:left ;margin:0 10px"><a |
- | </ul> | + | href="https://2012.igem.org/Main_Page "> <p>iGEM </p></a><ul |
| + | style="text-indent:-15px;list-style-image:none;list-style-type:none;color:#000000 |
| + | "><li><a style="color:#000000 " href="https://2012.igem.org/Main_Page |
| + | ">Main iGEM</a> </li><li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Criteria "> Criteria</a> |
| + | </li><li><a style="color:#000000 " |
| + | href="https://2012.igem.org/Team:UC_Davis/Human_Practices ">Human |
| + | Practices</a></li> </ul> |
| </div> | | </div> |
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