Undergraduate Summer Research Experience Joel Ducoste, Cranos - - PowerPoint PPT Presentation

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Undergraduate Summer Research Experience Joel Ducoste, Cranos - - PowerPoint PPT Presentation

Undergraduate Summer Research Experience Joel Ducoste, Cranos Williams, Ron Sederoff, Vincent Chiang NCSU Mark Melton St. Augustine College Objectives Provide summer research experience in Plant Genomics Increase graduate related


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Undergraduate Summer Research Experience

Joel Ducoste, Cranos Williams, Ron Sederoff, Vincent Chiang NCSU Mark Melton

  • St. Augustine College
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Objectives

  • Provide summer research experience in Plant

Genomics

  • Increase graduate related research opportunity

to under-represented groups

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Process

  • Ad was placed at St Augustine’s College and

North Carolina State University

  • Ad was circulated to the biology, chemistry,

and all engineering departments

  • Several students expressed interest and

resumes were reviewed.

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Undergraduate Summer 2010 Research Results

  • Two undergraduate students performed research

– Mr Jamian Smith from St. Augustine’s College, Mr. Ransford Damptey from NC State University. Mr Smith graduated from Engineering

  • Mathematics. Mr. Damptey is a junior in Electrical Engineering.

Undergraduate Research:

  • Simulated the metabolic pathway of yeast and compared the

results to literature data

  • Performed steady state analysis and Lyapunov Method for Region
  • f Attraction
  • Compared continuous Boolean approach to Michaelis-Menten

Kinetics for metabolic flux analysis

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Undergraduate 2011 Summer Research Results

A representative integrated module in S. cerevisiae

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Undergraduate 2011 Summer Research Results

Glucose Activated Transcription factor Hot1 ATPc

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Undergraduate 2011 Summer Research Results

Figure (left). Potential patterns for phase portraits that describe the influence of parameters on steady state values Figure (right). The phase portrait to the left shows the relation of ATPn and ADPn, and it’s stability within the metabolic system.

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Undergraduate 2011 Summer Research Results

Consider the first four reactions from the upper part of Glycolysis. The image below displays reactions that balance the energy ATP and ADP

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Undergraduate 2011 Summer Research Results

Law of Mass Action is applied this system to generate a series of ODEs

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Undergraduate 2011 Summer Research Results

Modeling Continuous Boolean Equations

  • Convert a Directed Graph

A B C

  • To Boolean logic
  • To Continuous Boolean logic

1 1

A B B A A B

C

n n n n n n A B

dC A B dt B

K A K 

             

   

Activation Inhibition

Activation Inhibition

( , ) ( , ) ! C f A B where f A B A and B  

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Undergraduate 2011 Summer Research Results

Glucose 6-phosphate Fructose 6-phosphate Fructose 1,6-biphosphate

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Undergraduate Summer Research 2012

  • Two new undergraduate students have been identified

– Mr. Joaquin Green from St. Augustine’s College and Ms. Liya Weldegebriel from NC State University. Mr. Green is a senior in Engineering Mathematics. Ms. Weldegebriel is a junior in Environmental Engineering.

  • Students will be working on the modeling portion of

the project

  • Potential projects include:

– Steady State Analysis of Regulatory Signaling model – Steady State Analysis of Metabolic flux model – Development and execution of Continuous Boolean Kinetic model – Uncertainty and Sensitivity analysis of Continuous Boolean Kinetic model

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NC STATE UNIVERSITY

Undergraduate Summer Research Experience

  • Questions
  • Questions
  • Questions