DISCRETE NETWORK DYNAMICS ANALYSIS USING NETWORK WORKBENCH Timothy - - PowerPoint PPT Presentation

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discrete network dynamics analysis using network workbench
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DISCRETE NETWORK DYNAMICS ANALYSIS USING NETWORK WORKBENCH Timothy - - PowerPoint PPT Presentation

Sep 24, 2023 591 likes •768 views

DISCRETE NETWORK DYNAMICS ANALYSIS USING NETWORK WORKBENCH Timothy Kelley kelleyt@indiana.edu Bioinformatics School of Informatics Indiana University Network W orkbench http://nwb.slis.indiana.edu/ The lack of widely available tools for

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DISCRETE NETWORK DYNAMICS ANALYSIS USING NETWORK WORKBENCH

Timothy Kelley kelleyt@indiana.edu Bioinformatics School of Informatics Indiana University Network W

  • rkbench

http://nwb.slis.indiana.edu/

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The lack of widely available tools for discrete network analysis limits the usefulness of a powerful analytical technique.

What is a discrete network model? How might it be applied to Bioinformatics? Building a tool for analyzing discrete networks How does one analyze and construct a discrete network model for biological data? Sample application as applied to the segmentation clock

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A Boolean network model is an abstract way of viewing interactions.

Many events can be seen as occurring or not occurring. Whether or not those events occur or do not occur influence other events. I present at the McGill Summer Sessions People listened to my presentation People were bored People found my presentation helpful or relevant This same abstraction can be applied to interactions between genes, mRNAs, and proteins.

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Interaction between cellular entities is complex, but we want to understand the dynamics.

Image from http://genomics.energy.gov/gallery/systems_biology/detail.np/HGPI_HiRes/ REGNET.jpg

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Boolean network models are powerful analysis tools.

Image from M. Chaves, R. Albert, and E.D. Sontag. Robustness and agility of Boolean models for genetic regulatory networks. Journal of Theoretical Biology, 2005. V

  • l 235.

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Analyzing large networks is computationally intractable and there are few tools for analyzing smaller networks.

Analyzing the displayed network of 401 proteins

  • n a 3.0 GHz computer

would take 5.458 x 10103 years, approximately 1094 times longer than the age

  • f the Earth and 4 x 1093

times longer than the age

  • f the universe.

Image from A human protein-protein interaction network: a resource for annotating the proteome. Cell, 2005. V

  • l 122:6.

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Network Workbench is a widely available tool for network analysis built on the OSGi framework.

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The Discrete Network Dynamics plugin allows for a large range of model analysis techniques while minimizing the computational time costs.

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Analyzing the state space of the segmentation clock using the Discrete Network Dynamics plugin reveals that the network topology drives oscillations.

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Analyzing the state space of the segmentation clock using the Discrete Network Dynamics plugin reveals that the network topology drives oscillations.

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Analyzing the state space of the segmentation clock using the Discrete Network Dynamics plugin reveals that the network topology drives oscillations.

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Genes mRNAs Proteins

Dll Mesp2 Lfng Hes1/7 Dll Mesp2 Lfng Hes1/7 Psenl Notch NICD Dll Mesp2 Lfng Hes1/7

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

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Genes mRNAs Proteins

Dll Mesp2 Lfng Hes1/7 Dll Mesp2 Lfng Hes1/7 Psenl Notch NICD Dll Mesp2 Lfng Hes1/7

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

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Genes mRNAs Proteins

Dll Mesp2 Lfng Hes1/7 Dll Mesp2 Lfng Hes1/7 Psenl Notch NICD Dll Mesp2 Lfng Hes1/7

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

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Genes Proteins

Dll Mesp2 Lfng Hes1/7 Psenl Notch NICD Dll Mesp2 Lfng Hes1/7

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

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Genes Proteins

Dll

1 1 1 1

Mesp2 Lfng Hes1/7 Psenl Notch NICD Dll Mesp2 Lfng Hes1/7

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

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Genes Proteins

Dll Mesp2 Lfng Hes1/7 Psenl Notch NICD Dll Mesp2 Lfng Hes1/7

1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

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