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Systems Biology for TB

Systems Biology for TB. Gary Schoolnik James Galagan. Systems Approach to TB. Combine genomic technology with computational methods to model TB metabolic and regulatory networks. Metabolic Network Model. Regulatory Network Model. An International Collaboration.

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Systems Biology for TB

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  1. Systems Biology for TB Gary Schoolnik James Galagan

  2. Systems Approach to TB Combine genomic technology with computational methods to model TB metabolic and regulatory networks Metabolic Network Model Regulatory Network Model

  3. An International Collaboration Gary Schoolnik (Stanford) RT-PCR Greg Dolganov Audrey Southwick James Galagan (Broad, BU) ChIP-Seq Bioinf/Modeling Brian Weiner Matt Petersen Jeremy Zucker David Sherman (SBRI) in vitro sample Core Microarray Tige Rustad Kyle Minch Branch Moody (BWH) Lipidomics Lindsay Sweet Stefan Kaufmann (Max Planck) in vivo Sample Core Metabolomics Anca Dorhoi ChrisBecker (PPD) Proteomics Glycomics

  4. in vitro Cultures SBRI Macrophage Cultures MPIIB Computational Regulatory and Metabolic Network Modeling Broad/BU Comprehensive Profiling for TB Chip-Seq SBRI/BU Transcriptomics SBRI/Stanford/ MPIIB Glycomics PPD Proteomics PPD Lipidomics BWH Metabolomics Metabolon

  5. An In vitro Oxygen Limitation Model Progression Into and Out Of Non-Replicating Persistence Aerated Culture Early/Late Time Points Monitor Adaptation To A New State

  6. in vitro Sampling 1 - Fermentor w/Tyloxapol Metabolomics Proteomics/ Glycomics Transcriptomics Hypoxia Reaeration 0 1 2 3 4 5 6 7 +1 +2 Days 60 90 120 Minutes Transcriptomics Bioflo 110 Fermentor Vessel and Control Unit Established In SBRI BL3 Lab Hypoxic Culture Condition Generated

  7. in vitro Sampling 2 – Small Batch Culture

  8. Mtb-Infected J774 Macrophage CellsA Model Of Intra-phagosomal Adaptation Early Stages of M. tuberculosis—Macrophage Interaction Depicting Cell Entry Using The Same Ex vivo Macrophage Infection Model Employed By TBSysBio

  9. Systems Approach to TB Combine genomic technology with computational methods to model TB metabolic and regulatory networks Metabolic Network Model Regulatory Network Model

  10. Gene Regulatory Networks TF ChIP-Seq Expression Data/CLR TF Binding Site Prediction Literature Curation Comparative Genomics www.tbdb.org

  11. Regulon Motif Discover Assume a shared promotor TF binding sites Genes Regulated by the same TF

  12. KstR Binding Motif kstR – Lipid/Cholesterol Regulator

  13. MTB Complex Comparative Analysis Environmental Mycobacteria Rhodococcus Corynebactera Streptomyces

  14. Conservation of Majority of KstR Sites Rv3515c kstR Conserved kstR Binding Sites

  15. Remediation of polycyclic aromatic hydrocarbon (PAH) in soil Human smegma: neutral fats, fatty acids, sterols. Degradation of polycyclic aromatic hydrocarbons (PAHs) in soil. Degrade organic compounds in soil and convert to lipid storage Relatives in Low Places

  16. Origins of Lipid Metabolism Pathogens Soil Russell (2007)

  17. Evolution of Fatty Acid Degradation Genes Size of circle = # Fad Genes Orthologs

  18. Far1 Free Fatty Acids Cholesterol Far2 Conserved Circuitry for Lipid Metabolism? qPCR Data – Greg Dolganov Lipid Metabolism Genes KstR

  19. Comparative Network Analysis Chip-Seq Chip-Seq Chip-Seq Chip-Seq Chip-Seq Chip-Seq Chip-Seq Chip-Seq KstR, Far1, Far2

  20. Eflux – Combining Expression with FBA Poster: Jeremy Zucker Expression Data Genome-Wide Metabolic Reconstruction Algorithmically Interpret Expression Data in a Metabolic Flux Context Colijn et al. (2009) PLoS Comput Biol

  21. Genome Scale Model Jeremy Zucker Merged Raman et al. (2005) and McFadden (2008) models and extended

  22. Acknowledgements TB SysBio Team Greg Dolganov David Sherman Tige Rustad Kyle Minch Louiza Dudin Stefan Kauffman Anca Dorhoi Branch Moody Lindsay Sweet Chris Becker Brian Weiner Jeremy Zucker Aaron Brandes Michael Koehrsen Audrey Southwick TB Regulatory Network Matt Petersen Brian Weiner Abby McGuire David Sherman Tige Rustad Greg Dolganov GenomeView Browser Thomas Abeel NIAID Valentina Di Francesco Karen Lacourciere Maria Giovanni

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