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Revision as of 05:07, 26 October 2017
Introduction
Our cellular model develops on the characterization on srfA, comA and sfp gene expression pathway as well as trying to predict the final productivity of surfactin over time. The main tool wo used to build our model is Matlab,sponsored by Mathworks. To be more specific, we use Simbiology which is a plugin toolbox that specifically designed for computational system biology. By writing deterministic differential equations of reaction inside the cell, we can easily create the pathway that resemble real-life situations.
The signalling cascade
To start with characterization of our gene pathway, our model has been assumed to act as a standard three-component regulation pathway. This type of modelling is well established in the past(Chen, He and Church.1999)(Ingalls, Brian, 2012)
In our model, we assumed the biochemical reaction take place in sequence as shown below:
- srfA, comA and sfp are transcripedt and translated simultaneously.
- srfA activator,which is coded by comA, helps in transciption of srfA which codes for the synthesis of surfactin synthethase
- PPTase, which is coded by sfp, helps in activation of surfactin synthethase, making it become holo synthethase which will produce surfactin by binding with the amino acids.
