Team:Northwestern

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[[Image:LOGOBANNER1.jpg|936px|center|link=http://wikipedia.org|Tech Institute]]
<!--- The Mission, Experiments --->
<!--- The Mission, Experiments --->
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{|- style="font-size: 87%; background: #EFCDF8; color: #FFFFFF" cellpadding="1" cellspacing="1" bordercolor="#000000" width="75%" align="center"
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!align="center"|[[Team:Northwestern|<span style="color:#000000;">'''Home'''</span>]]
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!align="center"|[[Team:Northwestern|<font color="#2B3856">'''Home'''</font>]]
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!align="center"|[[Team:Northwestern/Brainstorm|<span style="color:#000000;">'''Brainstorm'''</span>]]
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!align="center"|[[Team:Northwestern/Brainstorm|<font color="#000000">'''Brainstorm'''</font>]]
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!align="center"|[[Team:Northwestern/Team|<span style="color:#000000;">'''Team'''</span>]]
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!align="center"|[[Team:Northwestern/Team|<font color="#000000">'''Team'''</font>]]
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!align="center"|[[Team:Northwestern/Acknowledgements|<span style="color:#000000;">'''Acknowledgements'''</span>]]
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!align="center"|[[Team:Northwestern/Acknowledgements|<font color="#000000">'''Acknowledgements'''</font>]]
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!align="center"|[[Team:Northwestern/Project|<span style="color:#000000;">'''Project'''</span>]]
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!align="center"|[[Team:Northwestern/Project|<font color="#000000">'''Project'''</font>]]
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!align="center"|[[Team:Northwestern/SideProject|<span style="color:#000000;">'''Side Project'''</span>]]
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!align="center"|[[Team:Northwestern/SideProject|<font color="#000000">'''Human Practices'''</font>]]
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!align="center"|[[Team:Northwestern/Parts|<span style="color:#000000;">'''Parts'''</span>]]
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!align="center"|[[Team:Northwestern/Parts|<font color="#000000">'''Parts'''</font>]]
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!align="center"|[[Team:Northwestern/Notebook|<span style="color:#000000;">'''Notebook'''</span>]]
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!align="center"|[[Team:Northwestern/Notebook|<font color="#000000">'''Notebook'''</font>]]
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!align="center"|[[Team:Northwestern/Calendar|<span style="color:#000000;">'''Calendar'''</span>]]
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!align="center"|[[Team:Northwestern/Calendar|<font color="#000000">'''Calendar'''</font>]]
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!align="center"|[[Team:Northwestern/Protocol|<span style="color:#000000;">'''Protocol'''</span>]]
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!align="center"|[[Team:Northwestern/Protocol|<font color="#000000">'''Protocol'''</font>]]
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!align="center"|[[Team:Northwestern/Safety|<span style="color:#000000;">'''Safety'''</span>]]
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!align="center"|[[Team:Northwestern/Safety|<font color="#000000">'''Safety'''</font>]]
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!align="center"|[[Team:Northwestern/Links|<span style="color:#000000;">'''Links'''</span>]]
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!align="center"|[[Team:Northwestern/Links|<font color="#000000">'''Links'''</font>]]
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!align="center"|[[Team:Northwestern/References|<span style="color:#000000;">'''References'''</span>]]
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!align="center"|[[Team:Northwestern/References|<font color="#000000">'''References'''</font>]]
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!align="center"|[[Team:Northwestern/Media|<span style="color:#000000;">'''Media'''</span>]]
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!align="center"|[[Team:Northwestern/Media|<font color="#000000">'''Media'''</font>]]
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!align="center"|[[Team:Northwestern/Contact|<span style="color:#000000;">'''Contact'''</span>]]
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!align="center"|[[Team:Northwestern/Contact|<font color="#000000">'''Contact'''</font>]]
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[[Image:ohgodtimithebacteriaareangry.jpg|936px|center]]
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|'''SCIN - Self-regenerating Chitin INduction'''
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== '''Project Description: Bacterial Skin''' ==
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Chitin, found in the exoskeletons of insects and crustaceans as well as the cell walls of fungi, is one of the most abundant organic polymers in nature. Like keratin in skin, it comprises the protective outer layer of these organisms. Our goal is to generate a layer of chitin from a lawn of bacteria (Escherichia coli) in response to an external molecular cue. This cue induces chitin synthesis (fast) and cell lysis (slow), allowing for a build-up of chitin followed by cell lysis and subsequent release into the top layer of the lawn. Abrasions expose cells to the external cue for self-repair. This would create a regenerative chitin biolayer with potential medical and industrial applications.
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:Our main project is to simulate mammalian skin using chitin in E. Coli. This process involves four major components: Lawn Formation, Chitin Synthesis, Bacterial Apoptosis, and lac-Operon Signaling.
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|align="center"|To find out more, click the links below:
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:A thick bacterial lawn is generated by plating ydgG knock-out mutants (acquired from the Keio Collection) in an enriched agar plate. The protein product of ydgG plays an integral role in AI-2 transport. ydgG knock-outs exhibit increased motility which should ultimately allow for a thick and level lawn.
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<td><a href="https://2010.igem.org/Team:Northwestern/Project"><img width="220" class="icon" src="https://static.igem.org/mediawiki/2010/e/ee/Projectoverview_copy.jpg"></a></td>
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:The 3.5kbp Chitin Synthase III gene is extracted from the Saccharomyces Cerevisiae genome. Chitin Synthase III catalyzes the polymerization of chitin by transferring UDP-N-acetyl-D-glucosamine to an N(1,4 N-Acetyl-beta-D-glucosaminyl) to produce N+1(1,4 N-Acetyl-beta-D-glucosaminyl).
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<td><a href="https://2010.igem.org/Team:Northwestern/Project/Modeling"><img width="65" class="icon" src="https://static.igem.org/mediawiki/2010/a/a7/NU_modeling.jpg"></a></td>
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<td><a href="https://2010.igem.org/Team:Northwestern/Project/Chassis"><img width="65" class="icon" src="https://static.igem.org/mediawiki/2010/a/a6/Nuchassis.jpg"></a></td>
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<td><a href="https://2010.igem.org/Team:Northwestern/Project/Lac"><img width="65" class="icon" src="https://static.igem.org/mediawiki/2010/1/18/Nulac.jpg"></a></td>
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<td><a href="https://2010.igem.org/Team:Northwestern/Project/Chitin Synthesis"><img width="65" class="icon" src="https://static.igem.org/mediawiki/2010/4/4e/Nuchitin.jpg"></a></td>
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<td><a href="https://2010.igem.org/Team:Northwestern/Project/Apoptosis"><img width="65" class="icon" src="https://static.igem.org/mediawiki/2010/c/cb/Nuapop.jpg"></a></td>
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<td align="center">Modeling</td>
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<td align="center">Chassis</td>
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<td align="center">Induction</td>
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<td align="center">Chitin</td>
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<td align="center">Apoptosis</td>
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|[[Image:PosterChild.jpg|330px|center]]
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:Apoptosis of cells is achieved by using the bacteriophage lysis cassette built by the Brown '08 iGEM Team. The cassette includes Holin, Endolysin, and Rz Protein genes. These enzymes puncture and degrade the cell membrane which results in lysing of the cell and the release of synthesized chitin.
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:Once the lawn is established, an IPTG solution is sprayed over the lawn to induce chitin synthesis (fast response) and apoptosis (slow response). IPTG mimics allolactose which binds to the LacI repressor, causing LacI to detach from DNA and allowing RNA Polymerase to begin transcription. This will allow for a build-up in chitin followed by apoptosis and subsequent release into the extracellular environment. Thus, any abrasions to the chitinous surface can be repaired by spraying IPTG.
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:In mammalian skin, mitosis occurs in the basal layer of the epithelial cells and cells travel outwards towards the surface of the skin as they mature. As the cells move further away from the basal layer, they begin to die due to lack of nutrients. As they die, their cytoplasm is released and the cells are filled with keratin, thus forming a continuously regenerating protective layer on the outer-most part of epithelial layer. Our project is modeled after this. The  bacterial lawn produces chitin only at the top-most layer and these cells then undergo apoptosis to result in the formation of a chitinous layer at the surface of the lawn. The critical difference is that the bacterial colony is not internally controlled (controlled by IPTG spray), but this is something that can be remedied and a possible goal for future teams.
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'''SIGNIFICANCE OF CHITIN''':
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<u>Medicinal Use</u>:
 
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*Wound and burn treatment/healing
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|-
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*Hemostasis for orthopedic treatment of broken bones
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|colspan="3"|
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*Viscoelastic solutions for ophthamology and orthopedic surgery
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*Abdominal adhesion treatment
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*Antibacterial and antifungal agents
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*Tumor therapies
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*Microsurgery and neurosurgery
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*Treatment of chronic wounds, ulcers and bleeding (chitin powder)   
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<u>Industrial Use</u>:
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== '''Northwestern University''' ==
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Northwestern University in Evanston, IL, combines innovative teaching and pioneering research in a highly collaborative environment that transcends traditional academic boundaries.
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*Food/Pharmaceutical/Agricultural/Cosmetic thickener, stabilizer
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*Water resistant properties
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*Dietary supplement
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*Water purification
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*Biodegradable
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*Edible microcrystalline films used to preserve food
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*Sequestering of particles (i.e. oil)
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=='''Side Project: Magnetite Production'''==
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Our lab facilities are located at: Technological Institute 2145 Sheridan Road, Evanston, IL 60208
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Our side project is to synthesize superparamagnetic magnetite nanoparticles in E Coli.
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Find out more about [http://www.northwestern.edu Northwestern University]
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Nano-manipulation of magnetite particles, which can lead to a plethora of advances, especially in research technology and biomedical technology.
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Find out more about [http://www.mccormick.northwestern.edu/ McCormick School of Engineering]
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Understanding and utilization of magnetotaxis and/or magnetoception in bacteria.
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Possible production and use of ferrofluid, a paramagnetic or superparamagnetic fluid.
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Ability to create uniform nanoparticles will further nanotechnology. (biotech is nanotech that works)
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== '''Northwestern University''' ==
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[http://en.wikipedia.org/wiki/Northwestern_University Northwestern University]
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Find out more about [http://www.weinberg.northwestern.edu/ Weinberg College of Arts and Sciences]
=='''Sponsors'''==
=='''Sponsors'''==
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[[image:NU.jpg|200px]]
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[[image:NU.jpg|200px]]       [[image:Weinberg.jpg|200px]]        [[image:Picture1.jpg|200px]]        [[image:NEB.jpg|200px]]      [[image:Promega.jpg|200px]]      [[image:invitrogen.jpg|200px]]        [[image:VWR.jpg|200px]]        [[image:BIF.jpg|200px]]        [[image:EPOCH.jpg|200px]]
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[[image:tit.jpg|400px]]       
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[[image:NEB.jpg|200px]]
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[[image:Promega.jpg|200px]]
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[[image:invitrogen.jpg|200px]]
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[[image:VWR.jpg|200px]]
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[[image:Picture1.jpg|200px]]
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[[image:BIF.jpg|200px]]
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Latest revision as of 16:56, 16 February 2011


Tech Institute
Home Brainstorm Team Acknowledgements Project Human Practices Parts Notebook Calendar Protocol Safety Links References Media Contact
Ohgodtimithebacteriaareangry.jpg

SCIN - Self-regenerating Chitin INduction

Chitin, found in the exoskeletons of insects and crustaceans as well as the cell walls of fungi, is one of the most abundant organic polymers in nature. Like keratin in skin, it comprises the protective outer layer of these organisms. Our goal is to generate a layer of chitin from a lawn of bacteria (Escherichia coli) in response to an external molecular cue. This cue induces chitin synthesis (fast) and cell lysis (slow), allowing for a build-up of chitin followed by cell lysis and subsequent release into the top layer of the lawn. Abrasions expose cells to the external cue for self-repair. This would create a regenerative chitin biolayer with potential medical and industrial applications.

To find out more, click the links below:

Modeling Chassis Induction Chitin Apoptosis

PosterChild.jpg


Locations of visitors to this page


Northwestern University

Northwestern University in Evanston, IL, combines innovative teaching and pioneering research in a highly collaborative environment that transcends traditional academic boundaries.

Our lab facilities are located at: Technological Institute 2145 Sheridan Road, Evanston, IL 60208

Find out more about [http://www.northwestern.edu Northwestern University]

Find out more about [http://www.mccormick.northwestern.edu/ McCormick School of Engineering]

Find out more about [http://www.weinberg.northwestern.edu/ Weinberg College of Arts and Sciences]

Sponsors

NU.jpg Weinberg.jpg Picture1.jpg NEB.jpg Promega.jpg Invitrogen.jpg VWR.jpg BIF.jpg EPOCH.jpg Tit.jpg

Retrieved from "http://2010.igem.org/Team:Northwestern"