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We know that the modeling challenges will be to model how integrases work, and to model the delay between reception of a quorum sensing signal and production of a quorum sensing signal by the receiver cell. Indeed, a colony could switch itself OFF when it should be ON, if it receives QS1 and produces QS2, for example. If a delay is present between reception of QS1 and production of QS2, the colony will produce GFP before it is switched OFF, and as GFP is stable enough, it will stay visible during a long time and the self-switching OFF won't be observed. This delay should be modeled. | We know that the modeling challenges will be to model how integrases work, and to model the delay between reception of a quorum sensing signal and production of a quorum sensing signal by the receiver cell. Indeed, a colony could switch itself OFF when it should be ON, if it receives QS1 and produces QS2, for example. If a delay is present between reception of QS1 and production of QS2, the colony will produce GFP before it is switched OFF, and as GFP is stable enough, it will stay visible during a long time and the self-switching OFF won't be observed. This delay should be modeled. | ||
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Revision as of 01:30, 8 October 2014
Week 2
Wednesday, June 4th
This week, we have talked with people from the microfluidics group and it came out that we should be able to use beads to encapsulate our cells and use a microfluidic chip. Therefore we will try to develop this possibility in parallel with the 3D-printed agar chip.
We have set up a modeling pipeline. We divided the modeling project into 3 parts :
- diffusion,
- parameter fitting,
- modeling of the genetic circuit itself, which comprises
- a deterministic model
- a stochastic model.
We know that the modeling challenges will be to model how integrases work, and to model the delay between reception of a quorum sensing signal and production of a quorum sensing signal by the receiver cell. Indeed, a colony could switch itself OFF when it should be ON, if it receives QS1 and produces QS2, for example. If a delay is present between reception of QS1 and production of QS2, the colony will produce GFP before it is switched OFF, and as GFP is stable enough, it will stay visible during a long time and the self-switching OFF won't be observed. This delay should be modeled.
