Team:UCSF/lily2

From 2013.igem.org

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<head>
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Minimal header: removes the search bar and header image and readjusts font colours in the menus.
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Thanks a lot to the 2011 Brown-Stanford and 2012 Lethbridge iGEM teams for snippets of their code!
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Check out their wikis at:
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https://2011.igem.org/Team:Brown-Stanford
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https://2012.igem.org/Team:Lethbridge
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</head>
</head>
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<body>
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<!--Abstract-->
<div id="box1" align="justify">
<div id="box1" align="justify">
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<a id="FredOscarFlag">
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<a id="UCSFLogo">
</a>
</a>
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<h1>Boosting Plant Defenses with CRISPRi:</h1>
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<h2><center>Operation CRISPR: Deploying precision guided tools to target unique species in a complex microbiome</h2></center>
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<h1>Scalable and Transmissible Cellular Engineering</h1>
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<p>In microbial communities, bacterial populations are commonly controlled using indiscriminate, broad range antibiotics. There are few ways to target specific strains effectively without disrupting the entire microbiome and local environment. The goal of our project is to take advantage of a natural horizontal gene transfer mechanism in bacteria to precisely affect gene expression in selected strains. We combine bacterial conjugation with CRISPRi, an RNAi-like repression system developed from bacteria, to regulate gene expression in targeted strains within a complex microbial community. One possible application is to selectively repress pathogenic genes in a microbiome, leaving the community makeup unaffected. In addition, we use CRISPRi to lay the groundwork for transferring large circuits that enable complex functionality and decision-making in cells. </p>
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<p>The human race is growing fast. The world population is projected to top 10 billion by 2050. One response to the food supply needs of an increasing world population is creating better crop yield through crop survival. Pathogens and pests can cause catastrophic crop loss. Currently there is no widely used synthetic biological mechanism to help plants fight off bacterial pathogens and pests, so the main way large-scale growers protect crops is by using pesticides. We have engineered two possible solutions to address this problem.</p>
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<p>In our first project, we have incorporated catalytically dead CAS9 (dCAS9) in conjunction with synthetic gRNAs complementary to pathogenic bacterial genes into a plasmid that naturally conjugates into neighboring bacterial cells. The specificity of the gRNAs will potentially allow us to target specific populations of bacterial pathogens in soil while leaving positive bacterial populations unharmed.</p>
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<p>Our second project will provide plants with a sugar-mediated synthetic circuit that boosts a plant’s natural immune system and pesticide-producing capabilities in response to different levels of sugar a plant naturally produces in response to pests. The repression capabilities of dCAS9 will be used to regulate the synthetic circuit promoters that sense high or low sugar levels, reducing metabolic strain.</p>
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</div>
</div>
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<!--Project Box-->
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<div class="floatbox">
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              <td>
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                    <div><a href="https://2013.igem.org/Team:UCSF/About_Us">
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<img src="https://static.igem.org/mediawiki/2013/2/29/2013UCSF_MainBox_Team.jpg" class="blur"></a>
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</div>
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                    <a href="https://2013.igem.org/Team:UCSF/About_Us"><h3>Team</h3></a>
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                    <p>Meet our dedicated team of under-graduates who conceived of, planned, and carried out the whole project.</p></a>
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              </td>
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<td>
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              <a href="https://2013.igem.org/Team:UCSF/Project/Background"><img src="https://static.igem.org/mediawiki/2013/c/c2/UCSF2013_MainBox_Project-1.jpg" class="blur"></a>
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              <a href="https://2013.igem.org/Team:UCSF/Project/Background"><h3>Project</h3></a>
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                    <p>Discover our precision guided tools to target unique species in a complex microbiome and our groundwork for transferring large circuits that enable complex functionality and decision-making in cells.</p>           
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                    <a href="https://2013.igem.org/Team:UCSF/Modeling">
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<img src="https://static.igem.org/mediawiki/2013/a/af/UCSF2013_MainBox_Modeling-1.jpg" class="blur" />
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<!--img src="https://static.igem.org/mediawiki/2013/9/97/UCD_2013_HO_Button.jpg" class="blur"--></a>
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                    <a href="https://2013.igem.org/Team:UCSF/Modeling"><h3>Modeling</h3></a>
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                    <p>Take a look at how we use mathematical modeling to facilitate the design and construct of our project.                    </p>
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              <a href="https://2013.igem.org/Team:UCSF/Exploratorium"><img src="https://static.igem.org/mediawiki/2013/7/7c/UCSF2013_MainBox_HP.jpg" class="blur"</a>
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              <a href="https://2013.igem.org/Team:UCSF/Exploratorium"><h3>Human Practice</h3></a>
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                    <p>Examine how we teach Synthetic Biology to the general public through night event at Exploratorium and to high school students through a collaboration with Lincoln High School.</p>
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<h2><center>Special Thanks to Our 2013 iGEM Team Sponsors!</h2></center>
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              <area shape="rect" coords="180,95,495,200" href="http://www.synberc.org/" />
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Latest revision as of 19:15, 27 September 2013

UCSF Home

UCSF iGEM 2013 Group Photo
Brainstorming project ideas during our second week of Bootcamp
Presenting a poster at the UCSF Center for Systems and Synthetic Biology retreat
Having a skype meeting with one of our mentors!
Human Practices: Speaking about Synthetic Biology at the SF Exploratorium
Having fun outside of the lab making ice cream with dry ice

Operation CRISPR: Deploying precision guided tools to target unique species in a complex microbiome

In microbial communities, bacterial populations are commonly controlled using indiscriminate, broad range antibiotics. There are few ways to target specific strains effectively without disrupting the entire microbiome and local environment. The goal of our project is to take advantage of a natural horizontal gene transfer mechanism in bacteria to precisely affect gene expression in selected strains. We combine bacterial conjugation with CRISPRi, an RNAi-like repression system developed from bacteria, to regulate gene expression in targeted strains within a complex microbial community. One possible application is to selectively repress pathogenic genes in a microbiome, leaving the community makeup unaffected. In addition, we use CRISPRi to lay the groundwork for transferring large circuits that enable complex functionality and decision-making in cells.

Team

Meet our dedicated team of under-graduates who conceived of, planned, and carried out the whole project.

Project

Discover our precision guided tools to target unique species in a complex microbiome and our groundwork for transferring large circuits that enable complex functionality and decision-making in cells.

Modeling

Take a look at how we use mathematical modeling to facilitate the design and construct of our project.

Human Practice

Examine how we teach Synthetic Biology to the general public through night event at Exploratorium and to high school students through a collaboration with Lincoln High School.

Special Thanks to Our 2013 iGEM Team Sponsors!


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