Team:BYU Provo/Results/Modeling

From 2013.igem.org

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(Data Analysis)
(Data Analysis)
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Data analysis gives the following results:
Data analysis gives the following results:
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Revision as of 06:53, 26 September 2013


Modeling Results


Results Overview
Judging Criteria
* Bronze
* Silver
* Gold
Experimental Results
Modeling Results
Parts Submitted

Basic Design

BYUModelingDesign.JPG

Experiments with bacteriophage growth is often performed either in liquid broth or in solid agar medium. In contrast to the relative uniform distribution of phages in liquid broth, phages form individual clearings in bacterial lawn within solid agar medium. These clearings are termed plaques. They are the product of bacterial cell lysis as phage replicate and spread outward.

For our modeling experiments, we hypothesized that multiple experimental factors may influence the size of plaque formation in solid agar medium (Fig. 1). We decided to start with identifying the relationships between plaque sizes and each of these factors. With these data, we can generate a mathematical model that take into account all experimental variability. Such model can be used by researcher to design the optimal experimental conditions that will produce plaques of the ideal size for their experiments.


Experimental Results

BYUModelingPlatePics.JPG

We decided to start with determining the relationship between phage plaque size and phage particle particle size. Specifically, 0.5 mL of E coli B liquid culture (OD 600 = 0.5) was transfected with 20uL of the respective phage (T1, T3, T4, and T7) at approximately the same concentration for 10 minutes. After this, the bacteria/phage mixture was plated on standard LB plates using x1 top agar. Plates were allowed to solidify for 30 minutes, before placing in an incubator at 37 Celsius for 24 hours. Following incubation, pictures of plates were taken with <add name of instrument> and plaque sizes were measured using [http://rsbweb.nih.gov/ij/ ImageJ].


Data Analysis

Data analysis gives the following results:

BYUModelingTable.JPG
BYUModelingGraph.JPG