Team:Paris

From 2009.igem.org

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===Abstract===
===Abstract===
'''Message in a Bubble: a robust inter-cellular communication system based on outer membrane vesicles.'''
'''Message in a Bubble: a robust inter-cellular communication system based on outer membrane vesicles.'''
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Sending a message across the ocean… Outer membrane vesicles (OMV), naturally produced by gram negative bacteria such as ''E. Coli'', are strong candidates for long-distance messaging. Our engineered communication platform consists in controlling OMV production by destabilizing membrane integrity through over-expression of specific periplasmic proteins (''e.g.'' TolR). In order to control and modulate message content, we used fusions with OmpA signal sequence and the ClyA hemolysin as delivery tags. A targeting system was developed, based on the outer-membrane expression of Jun/Fos leucine zippers to control the vesicle flux between donor and recipient cells. Once received, the signal from incoming vesicles is transduced through a modified Fec pathway, whereby the receptor is provided by the OMV. Computational models provided insight to all of the above steps. Such reliable communications systems have wide biotechnological implications, ranging from targeted drugs delivery and detoxification to advanced division of labor or even cell-based computing.
-
Sending a message across the ocean… Outer membrane vesicles (OMV), naturally produced by gram negative bacteria as E. Coli, are strong candidates for long-distance messaging. Our engineered communication platform consists of controlling OMV production by destabilizing membrane integrity through over-expression of specific periplasmic proteins (e.g., TolR). In order to control and modulate message content, we used fusions with OmpA signal sequence and the ClyA hemolysin as delivery tags. A targeting system was developed, based on the outer-membrane expression of Jun/Fos leucine zippers to control the vesicle flux between donor and recipient cells. Once received, the signal from incoming vesicles is transduced through a modified Fec pathway, whereby the receptor is provided by the OMV. Computational models provided insight to all of the above steps. Such reliable communications systems have wide biotechnological implications, ranging from targeted drugs delivery and detoxification to advanced division of labor or even cell-based computing.
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===Strategy===
===Strategy===
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<font color=red>Très bonne partie, mais je mettrai l'abstract qui se trouve plus bas en fait en premier. Il introduit mieux la motivatoin du projet, et le texte ci-dessous présente la stratégie. </font>
 
We aimed developing a long distance communication system between gram-negative bacteria that is based on the ability of these organisms to produce Outer-Membrane Vesicles (OMVs). We designed a framework which can be easily expanded to a lot of different inputs/ouputs. We hope this standardized approach will increase our capacity to manipulate information and/or exchange it between bacteria. This can be used in any engineered biological process requiring transformation or a system of information transfer, including medical applications and bio-remediation.
We aimed developing a long distance communication system between gram-negative bacteria that is based on the ability of these organisms to produce Outer-Membrane Vesicles (OMVs). We designed a framework which can be easily expanded to a lot of different inputs/ouputs. We hope this standardized approach will increase our capacity to manipulate information and/or exchange it between bacteria. This can be used in any engineered biological process requiring transformation or a system of information transfer, including medical applications and bio-remediation.
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For more information on how we came up with this idea, please have a look at our [[Team:Paris/Brainstorm#top | brainstorming area]].  
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For more information on how we came up with this idea, please have a look at our [[Team:Paris/Brainstorm#top | brainstorming area]].
===Navigation===
===Navigation===
 +
Here we are ! You have some problems to navigate in our wiki ?? Just look at [[Team:Paris/navigation#top | this page]], and we hope it will help you.
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<font color=red>flefevre : je propose qq lignes ici pour aider à la navigation: comment utilise t on votre wiki, liens importants, l'icone book pour la lecture dirigée </font>
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And, if your are interested in a guided visit of the iGEM Paris 2009 wiki,..., just open the book...
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===Internal Notes===
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== Extended Team ==
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<font color=red> Image très jolie mais qui nécessite une légente  pour explique les trois élements: production, vésicule, cible. Peut-être d'ailleurs ici mettre des liens directs vers les parties correspondantes du wiki.</font>
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=== iGEM Paris Team ===
 +
'''Hello everyone and welcome on our wiki webpage !'''
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<font color=red>Un élément à introduire dans le wiki et sur lequel je reviendrai de cesse tant qu'il ne sera pas là:  des liens de navigation pour une visite guidée, séquentielle du wiki. Qu'il puisse être possible de le parcourir facilement dans un ordre logique suivant votre histoire. Il est trop facile dans les wiikis de se perdre dans les ramifications des branches des différentes pages et de ne ressortir qu'avec une idée confuse du contenu du site.</font>
 
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<font color=red> Les menus de gauche ne sont pas clairs ainsi que l'architecture du site: de grandes parties mélangées à des sous parties: Adressing, Production, Reception ne devraient pas être au même niveau que Home, The Project, Ehics, Tools...  
+
We are a team of 13 highly motivated students ready to give our best in the iGEM competition. We decided to involve our different backgrounds (6 biologists, 2 mathematicians, a computer scientist, a sociologist, an infectiologist, a geneticist, and a chemist) and our enthusiasm in this scientific and human adventure.
 +
Regarding the team's supervisors, we have the honnor to have been adviced by some great scientists/professors like Ariel Lindner, Guillaume Cambray and Samuel Bottani among others, almost always at the [http://www.cri-paris.org CRI].<br>
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En parcourant l'ensemble je pense que ce serait utile pour la vulgarisation du projet d'avoir une partie "Cell Biology Reminder" qui rappelerait les bases scientifiques nécessaire aiu projet: Gram-negative bacteria, The membrane of a gram-negative bacteria, Veiscles etc...
 
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More details on our team [[Team:Paris/Team#top | here]].<br>
 +
More details on the CRI at the bottom of our [[Team:Paris/Acknowledgements#top | Acknowledgement page]].<br>
 +
Additional information about all iGEM Paris teams since 2007 here : [http://www.igem-paris.org http://www.igem-paris.org]<br>
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<font color=red> flefevre : j'ai viré les parties non essentielles dans la page [[Team:Paris/Draft | Draft]]. On peut donc y retrouver les éléments précédemment écrits.
 
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== Our sponsors ==
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=== Our Sponsors ===
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== Visitors & Collaborations==
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=== Collaborations and  Visitors  ===
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With the [https://2009.igem.org/Team:BCCS-Bristol  team BCCS-Bristol] , we shared our modeling part concerning the production of vesicles which is supposed to be complementary of their and we hope that we will be able to combine both approaches to make one big model of the production, adressing, and fusion of the vesicles. For more details, see our [[Team:Paris/Collaborations#top | Collaborations]] web page.
-
With [https://2009.igem.org/Team:BCCS-Bristol  BCCS-Bristol] , we shared our modeling part concerning the production of vesicles which is supposed to be complementary of their and we hope that we will be able to combine the two approach to make one big model of the production , adressing , and fusion of the vesicles.
+
 
 +
We have also created a poll concerning the Iphone Software and we sent it to the other iGEM teams, among which four replied. Find the results and more details on our [[Team:Paris/Collaborations#top | Collaborations]] page.
 +
 
 +
 
 +
All members of our team answered to the Valencia ethics poll that is why you can see this gorgeous gold medal with our name on it. More seriously it was very interesting to see what the members answered to each question. Looking for more details ? see our [[Team:Paris/Collaborations#top | Collaborations]] web page.
 +
 
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And we thank all our visitors, without them we would not have such an eclectic cluster map !
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<a href="http://www3.clustrmaps.com/counter/maps.php?url=https://2009.igem.org/Team:Paris" id="clustrMapsLink"><img src="http://www3.clustrmaps.com/counter/index2.php?url=https://2009.igem.org/Team:Paris" style="border:0px;" alt="Locations of visitors to this page" title="Locations of visitors to this page" id="clustrMapsImg" onerror="this.onerror=null; this.src='http://www2.clustrmaps.com/images/clustrmaps-back-soon.jpg'; document.getElementById('clustrMapsLink').href='http://www2.clustrmaps.com';" />
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<a href="https://2009.igem.org/Team:Valencia/Human" target="_blank"> <img src="https://static.igem.org/mediawiki/2009/5/50/V_Paris.JPG" width="110" height="110"></a> Thank you <a href="https://2009.igem.org/Team:Valencia"><a3>Valencia</a3></a> !
<a href="https://2009.igem.org/Team:Valencia/Human" target="_blank"> <img src="https://static.igem.org/mediawiki/2009/5/50/V_Paris.JPG" width="110" height="110"></a> Thank you <a href="https://2009.igem.org/Team:Valencia"><a3>Valencia</a3></a> !
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== News ==
 
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* 1st October : No big news is a news !
 
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* 20th September :We still have problem with IE , but who still use it ?
 
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* 15th September : Large numbers of updates on the wiki, especially concerning the modeling.
 
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* 1st  September : a lot of new biobrick because we love to play Biolego.
 
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* 28th August : new menu \o/ and 'breadcrumb'.
 
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* 16th August : 1st Biobrick ! [http://partsregistry.org/Part:BBa_K257001  g3p - BBa K257001 ].
 
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* 30th July : Input Primers and Strain on the Wiki page [[Team:Paris/Freezer#top | here ]].
 
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* 23th July : First participation of the team in a popularization of science event in Paris.
 
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* 22th July : Let's start our Informatic tool for Labs manipulation on iPhone. see [[Team:Paris/Tool_introduction#top | here]].
 
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* 21th July : template site seems not to work well with IE and FF&Co, so we've got to change some BG but it's not essential right now.
 
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* 20th July : Team image presentation is finish, now let's see what everyone gonna put in it.... Beginning of Labs work !! (finaly).
 
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* 15th July : NoteBook works, now we've got to fill it with some writting.
 
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* 14th July : Hello ! The Wiki is under construction you may see some funny things, don't worry we'll be functional soon.
 

Latest revision as of 03:46, 22 October 2009

iGEM > Paris > Home > Synopsis

Contents

Message in a Bubble


Interactive schema

Abstract

Message in a Bubble: a robust inter-cellular communication system based on outer membrane vesicles. Sending a message across the ocean… Outer membrane vesicles (OMV), naturally produced by gram negative bacteria such as E. Coli, are strong candidates for long-distance messaging. Our engineered communication platform consists in controlling OMV production by destabilizing membrane integrity through over-expression of specific periplasmic proteins (e.g. TolR). In order to control and modulate message content, we used fusions with OmpA signal sequence and the ClyA hemolysin as delivery tags. A targeting system was developed, based on the outer-membrane expression of Jun/Fos leucine zippers to control the vesicle flux between donor and recipient cells. Once received, the signal from incoming vesicles is transduced through a modified Fec pathway, whereby the receptor is provided by the OMV. Computational models provided insight to all of the above steps. Such reliable communications systems have wide biotechnological implications, ranging from targeted drugs delivery and detoxification to advanced division of labor or even cell-based computing.

Strategy

We aimed developing a long distance communication system between gram-negative bacteria that is based on the ability of these organisms to produce Outer-Membrane Vesicles (OMVs). We designed a framework which can be easily expanded to a lot of different inputs/ouputs. We hope this standardized approach will increase our capacity to manipulate information and/or exchange it between bacteria. This can be used in any engineered biological process requiring transformation or a system of information transfer, including medical applications and bio-remediation.


We did our best to standardize:

  1. the increase of vesicle production;
  2. the system to address proteins to these vesicles;
  3. their fusion with target bacteria.

You can find detailed information in our OMV Project description or in our different parts.


By analogy to the Internet Protocol, we called our process a Bacterial Protocol. We found that the title Message in a bubble described it quite nicely. In a simple way, the comprehension of vesicles process sounds like a build of a bacteria language.


For more information on how we came up with this idea, please have a look at our brainstorming area.

Navigation

Here we are ! You have some problems to navigate in our wiki ?? Just look at this page, and we hope it will help you.

And, if your are interested in a guided visit of the iGEM Paris 2009 wiki,..., just open the book...

Open book.gif

← Previous - Next →

Extended Team

iGEM Paris Team

Hello everyone and welcome on our wiki webpage !


We are a team of 13 highly motivated students ready to give our best in the iGEM competition. We decided to involve our different backgrounds (6 biologists, 2 mathematicians, a computer scientist, a sociologist, an infectiologist, a geneticist, and a chemist) and our enthusiasm in this scientific and human adventure. Regarding the team's supervisors, we have the honnor to have been adviced by some great scientists/professors like Ariel Lindner, Guillaume Cambray and Samuel Bottani among others, almost always at the [http://www.cri-paris.org CRI].


More details on our team here.
More details on the CRI at the bottom of our Acknowledgement page.
Additional information about all iGEM Paris teams since 2007 here : [http://www.igem-paris.org http://www.igem-paris.org]


Our Sponsors

Collaborations and Visitors

With the team BCCS-Bristol , we shared our modeling part concerning the production of vesicles which is supposed to be complementary of their and we hope that we will be able to combine both approaches to make one big model of the production, adressing, and fusion of the vesicles. For more details, see our Collaborations web page.


We have also created a poll concerning the Iphone Software and we sent it to the other iGEM teams, among which four replied. Find the results and more details on our Collaborations page.


All members of our team answered to the Valencia ethics poll that is why you can see this gorgeous gold medal with our name on it. More seriously it was very interesting to see what the members answered to each question. Looking for more details ? see our Collaborations web page.


And we thank all our visitors, without them we would not have such an eclectic cluster map !


Locations of visitors to this page Thank you Valencia !

Retrieved from "http://2009.igem.org/Team:Paris"