Team:Kyoto

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==<span class="red_title">Summary</span>==
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We created new E.coli which hunts and eats insects.
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<div id="template" style="text-align: center; font-weight: bold; font-size: large; color: #f6f6f6; padding: 5px;">
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As such we named it Carnivorous E.coli.
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Carnivorous E.coli emits light when it is hungry. This will attract insects to it.
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Then, it secretes a viscous substance to capture the insects.
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The captured insects are digested by the chitinase in the secretion.
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You are provided with this team page template with which to start the iGEM season. You may choose to personalize it to fit your team but keep the same "look." Or you may choose to take your team wiki to a different level and design your own wiki. You can find some examples <a href="https://2009.igem.org/Help:Template/Examples">HERE</a>.
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Long story short, our Carnivorous E.coli can hunt!
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== <html><a href="/Team:Kyoto/Hunger"><span class="red_title">Team Hunger</span></a></html> ==
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<html><div id="hunger"><a href="/Team:Kyoto/Hunger"><img src="https://static.igem.org/mediawiki/2011/3/3f/Kyoto_Project_Image.png"></img></a></div></html>
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Carnivorous E.coli attracts insects by emitting light, but it is a burden for ''E.coli''.
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To reduce this burden, we use nitrogen regulatory proteins, NtrB and NtrC. They activate &sigma;<sup>54</sup> promoter when the supply of nitrogen is not enough.
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== <html><a href="/Team:Kyoto/Capture"><span class="green_title">Team Capture</span></a></html> ==
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<html><div id="capture"><a href="/Team:Kyoto/Capture"><img src="https://static.igem.org/mediawiki/2011/3/3f/Kyoto_Project_Image.png"></img></a></div></html>
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There are many methods to attract bugs, for instance, using pheromone, smell, and light.
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In this study, we focused on light as a method to lure insects.
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Carnivorous E.coli will emit light and attracts bugs like glowworms by using Bioluciferase from <html><a href="https://2010.igem.org/Team:Cambridge">2010 Cambridge</a></html>.
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There are many ways to attract bugs, for instance using pheromone, but it is difficult for E.coli to synthesize complex compounds like pheromone.
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Carnivorous E.coli emits light and attracts bugs like glowworms by using Bioluciferase from
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<html><a href="https://2010.igem.org/Team:Cambridge">2010 Cambridge</a></html>.
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== <html><a href="/Team:Kyoto/Digestion"><span class="blue_title">Team Digestion</span></a></html> ==
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<html><div id="digestion"><a href="/Team:Kyoto/Digestion"><img src="https://static.igem.org/mediawiki/2011/3/3f/Kyoto_Project_Image.png"></img></a></div></html>
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An insect body is covered with a hard integument containing mainly chitin. To decompose the integument, we used ChiA gene, which encode chitinase. In order to measure the chitinase activity of the culture supernatant, we evaluated the effects of the medium and cell growth.
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==<span class="red_title">Achievement</span>==
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|You can write a background of your team here.  Give us a background of your team, the members, etc.  Or tell us more about something of your choosing.
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<ul>
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|[[Image:Kyoto_logo.png|200px|right|frame]]
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  <li>We confirmed that the wavelength of light emitted by E.coli is suitable to lure drosophilas.</li>
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  <li>We constructed new biobrick which produces chitinase.</li>
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  <li>We constructed new biobrick that is controlled by the concentration of glutamine.</li>
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''Tell us more about your project.  Give us background.  Use this as the abstract of your project. Be descriptive but concise (1-2 paragraphs)''
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  <li>We established new method for measurement of promoter activity with RPU.</li>
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|[[Image:Kyoto_team.png|right|frame|Your team picture]]
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  <li>We held <html><a href="https://2011.igem.org/Summer_events/2011_JAPAN_Meetup">the Japanese iGEM meeting</a></html> at Kyoto University.
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|align="center"|[[Team:Kyoto | Team Example]]
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==<html><a href="https://2011.igem.org/Team:Kyoto/HumanPractice"><span class="green_title">Human Practice</span></a></html>==
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As synthetic biology is a comparatively new way of understanding life, we plan to develop this area much further. However, this area entails problems of bioethics and so we must consider these problems as well. Unfortunately, Japanese high school students do not have many chances to come across these topics. We hope to offer high school students more opportunities to think on them. That's why we targeted them and performed these activities.
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==<span class="yellow_title">Sponsors</span>==
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!align="center"|[[Team:Kyoto|Home]]
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[[File:京大ロゴ.jpg | link=http://www.kyoto-u.ac.jp/|]]
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!align="center"|[[Team:Kyoto/Team|Team]]
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[[File:CosmoBio.jpg | link=http://www.cosmobio.co.jp |]]
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!align="center"|[https://igem.org/Team.cgi?year=2011&team_name=Kyoto Official Team Profile]
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!align="center"|[[Team:Kyoto/Project|Project]]
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!align="center"|[[Team:Kyoto/Modeling|Modeling]]
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!align="center"|[[Team:Kyoto/Safety|Safety]]
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!align="center"|[[Team:Kyoto/Attributions|Attributions]]
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Latest revision as of 03:58, 6 October 2011

Contents

Summary

We created new E.coli which hunts and eats insects. As such we named it Carnivorous E.coli. Carnivorous E.coli emits light when it is hungry. This will attract insects to it. Then, it secretes a viscous substance to capture the insects. The captured insects are digested by the chitinase in the secretion. Long story short, our Carnivorous E.coli can hunt!

Team Hunger

Carnivorous E.coli attracts insects by emitting light, but it is a burden for E.coli. To reduce this burden, we use nitrogen regulatory proteins, NtrB and NtrC. They activate σ54 promoter when the supply of nitrogen is not enough.

Team Capture

There are many methods to attract bugs, for instance, using pheromone, smell, and light. In this study, we focused on light as a method to lure insects. Carnivorous E.coli will emit light and attracts bugs like glowworms by using Bioluciferase from 2010 Cambridge.

Team Digestion

An insect body is covered with a hard integument containing mainly chitin. To decompose the integument, we used ChiA gene, which encode chitinase. In order to measure the chitinase activity of the culture supernatant, we evaluated the effects of the medium and cell growth.

Achievement

  • We confirmed that the wavelength of light emitted by E.coli is suitable to lure drosophilas.
  • We constructed new biobrick which produces chitinase.
  • We constructed new biobrick that is controlled by the concentration of glutamine.
  • We established new method for measurement of promoter activity with RPU.
  • We held the Japanese iGEM meeting at Kyoto University.

Human Practice

As synthetic biology is a comparatively new way of understanding life, we plan to develop this area much further. However, this area entails problems of bioethics and so we must consider these problems as well. Unfortunately, Japanese high school students do not have many chances to come across these topics. We hope to offer high school students more opportunities to think on them. That's why we targeted them and performed these activities.

Sponsors

京大ロゴ.jpg CosmoBio.jpg

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