Team:Macquarie Australia

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=Introducing a functional light switch into E. coli.=
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<P align="justify"> The objective in this project is to build and characterise a biological light switch in E.coli. This will involve construction of bacteriophytochrome biobrick parts and heme-oxygenase biobrick parts. In 2010 the Macquarie Team cloned bacteriophytochrome from two sources. They showed that when one was expressed that it was functionally assembled when incubated with biliverdin. The part created is not directly usable as a biobrick as it contains an internal PstI site and the XbaI biobrick site is missing. The heme-oxygenase clone also contains an internal restriction site which is not compatible with biobrick assembly.
 
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The aims of the team this year are to complete the light switch construction:
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==Welcome==
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<p style="font: 11pt Trebuchet MS">Hello from the 2011 Macquarie University iGEM group! <br><br> This year's research team will be expanding upon the research conducted by last year's iGEM team. This project involves the production of a phytochrome light switch that jumps between two different light states, acting as a reporter for ambient light conditions. We've nicknamed our work 'the switch-a-roo' as our phytochromes hop back and forth between green and blue states.</p>
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1. Remove the restriction sites from the bacteriophytochrome and heme-oxygenase genes which are incompatible with biobrick assembly.
 
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2. Assemble a fully functional bacteriophytochrome biobrick which is functionally expressed in E.coli.
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Here are some quick links to help you get started: <br><br>
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<li> An overview of our <a href="https://2011.igem.org/Team:Macquarie_Australia/Project">Project</a></li>
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3. Assemble an operon consisting of the heme-oxygenase and bacteriophytochrome genes.
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<li> Head on over to our <a href="https://2011.igem.org/Team:Macquarie_Australia/parts">Data Page</a> for a summary of our registered parts </li>
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4. Optimise the gene expression from the operon such that the bacteriophytochrome light switch assembles without requiring the addition of biliverdin.
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<li> Or meet the <a href="https://2011.igem.org/Team:Macquarie_Australia/Team">Team!</a></li><br>
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<li>The requirements for each medal grade can be seen at the bottom of this page</a></li>
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==Abstract==
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<p style="font: 11pt Trebuchet MS"> Phytochromes are ubiquitous proteins that allow an organism to sense light. These proteins have evolved in unique environments to sense light intensity in different colour ranges. This experiment focuses on constructing a biological switch that uses phytochromes from Deinococcus radiodurans and Agrobacterium tumefaciens. The coupling of heme oxygenase supplies our phytochrome proteins with biliverdin, allowing for the self-assembly of the switch within host systems. The switch is the first stage of a two component light sensor and when expressed at high level, there is a noticeable colour change of the cell when it is activated by light.</p>
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==Medal Progress==
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<td class="title"><center>Bronze</td>
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<td class="middletitle"><center>Silver</td>
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<td class="fartitle"><center>Gold</td>
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<td><center><a href="https://igem.org/Team.cgi?id=646"><img src="https://online.slimmingworld.com/images/registration/packages/tick-bronze.jpg">Registration of Team</a></td>
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<td class="middle"><center><a href="https://2011.igem.org/Team:Macquarie_Australia/Characterisation#Characterisation_of_our_Biobrick"><img src="https://online.slimmingworld.com/images/registration/packages/tick-silver.jpg">Characterisation of our working Biobrick</a></td>
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<td class="far"><center><a href="https://2011.igem.org/Team:Macquarie_Australia/parts#Improvement_of_previous_BioBrick"><img src="http://secremedia-hosting.co.uk/images/gold-tick.png">Improvement of previous Biobricks
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<td><center><a href="https://igem.org/2011_Judging_Form?id=646"><img src="https://online.slimmingworld.com/images/registration/packages/tick-bronze.jpg">Judging form</a></td>
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<td class="middle"><center><a href="https://2011.igem.org/Team:Macquarie_Australia/parts"><img src="https://online.slimmingworld.com/images/registration/packages/tick-silver.jpg">Information entered onto Main Page of Registry </a></td>
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<td><center><img src="https://online.slimmingworld.com/images/registration/packages/tick-bronze.jpg">Project wiki</td>
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<td><center><img src="https://online.slimmingworld.com/images/registration/packages/tick-bronze.jpg">Poster and Talk for Asia Jamboree</td>
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<td><center><a href="https://2011.igem.org/Team:Macquarie_Australia/parts"><img src="https://online.slimmingworld.com/images/registration/packages/tick-bronze.jpg">Submission of parts to Registry</td></tr>
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<td><center><a href="http://partsregistry.org/wiki/index.php?title=Part:BBa_K646000"><img src="https://online.slimmingworld.com/images/registration/packages/tick-bronze.jpg">Submission of Biobrick to Registry</td>
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Latest revision as of 02:08, 5 October 2011




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Welcome


Roo2.jpg

Hello from the 2011 Macquarie University iGEM group!

This year's research team will be expanding upon the research conducted by last year's iGEM team. This project involves the production of a phytochrome light switch that jumps between two different light states, acting as a reporter for ambient light conditions. We've nicknamed our work 'the switch-a-roo' as our phytochromes hop back and forth between green and blue states.


Here are some quick links to help you get started:

  • An overview of our Project

  • Head on over to our Data Page for a summary of our registered parts

  • Or meet the Team!

  • The requirements for each medal grade can be seen at the bottom of this page


Abstract


Phytochromes are ubiquitous proteins that allow an organism to sense light. These proteins have evolved in unique environments to sense light intensity in different colour ranges. This experiment focuses on constructing a biological switch that uses phytochromes from Deinococcus radiodurans and Agrobacterium tumefaciens. The coupling of heme oxygenase supplies our phytochrome proteins with biliverdin, allowing for the self-assembly of the switch within host systems. The switch is the first stage of a two component light sensor and when expressed at high level, there is a noticeable colour change of the cell when it is activated by light.



Medal Progress
Retrieved from "http://2011.igem.org/Team:Macquarie_Australia"