Difference between revisions of "Team:Warwick/modelling3"
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The first two images are how the tetrahedrons are made, using DNA origami. Our sequences will be designed so that each side will have DNA hairpins which bond to another side of a different tetrahedron. The last image is what the DNA origami structure will look like once it has been made. | The first two images are how the tetrahedrons are made, using DNA origami. Our sequences will be designed so that each side will have DNA hairpins which bond to another side of a different tetrahedron. The last image is what the DNA origami structure will look like once it has been made. | ||
Each side of the tetrahedrons will have the binding sequences needed to bind the E.coli cells to the outside of the structure, so that it doesn’t matter where each tetrahedron goes. | Each side of the tetrahedrons will have the binding sequences needed to bind the E.coli cells to the outside of the structure, so that it doesn’t matter where each tetrahedron goes. | ||
| − | <img src="https://static.igem.org/mediawiki/2015/0/05/WarwickCaddy.png" width=" | + | <img src="https://static.igem.org/mediawiki/2015/0/05/WarwickCaddy.png" width="360" height="240" alt="Computer Hope"> |
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Revision as of 15:18, 5 August 2015
Binding E.coli to a DNA Structure
Concept and Use
ADD DESCRIPTION...............................................................
Cube Construction
This shows how the DNA strands come together. Three double stranded strings of DNA are denatured and then when slowly cooled will come together to form the Y shape. However after the denaturing each strand of DNA has an equal chance of bonding to the original piece of DNA as it does to the correct origami side. Therefore the more complex the structure the less likely it is that that structure will fully form.
Tetrahedron Construction
The aim of this model is to design a 3D, self-assembling structure which forms a shape which allows E-coli cells to be bonded to the outside. One of the shapes we decided to use is a geodesic sphere made up of multiple tetrahedron ‘bricks’. Tetrahedrons are the strongest 3D structure and would allow any sized scaffold to be made. A sphere is the best 3D structure as it has the largest surface area to volume ratio which will allow the largest number of E.coli cells to bond to it.
The first two images are how the tetrahedrons are made, using DNA origami. Our sequences will be designed so that each side will have DNA hairpins which bond to another side of a different tetrahedron. The last image is what the DNA origami structure will look like once it has been made.
Each side of the tetrahedrons will have the binding sequences needed to bind the E.coli cells to the outside of the structure, so that it doesn’t matter where each tetrahedron goes.
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