Tuberculosis: Understanding the Disease Across Scales (C4)
March 23-26, 2026  | Southern Sun Cape Sun, Cape Town, WC, South Africa
Maximiliano Gutierrez, Digby F. Warner, Bree B Aldridge and Margarida Saraiva
Scholarship Deadline: Nov. 25, 2025 | Abstract Deadline: Mar. 3, 2026 | Early Registration Deadline: Jan. 23, 2026
* Session Chair † Invited but not yet accepted | Program current as of April 6, 2026 1 PM | For the most up-to-date details, visit https://www.keystonesymposia.org
Monday, March 23, 2026
4:00–8:00 PM Registration 3rd Floor Foyer
6:00–8:00 PM Welcome Mixer 3rd Floor Foyer
Tuesday, March 24, 2026
7:30–8:30 AM Breakfast Individual Hotel
8:00–8:30 AM Poster Setup VOC South
8:00–8:30 AM Coffee Available 3rd Floor Foyer
8:00–5:00 PM Poster Viewing VOC South
8:30–8:40 AM Welcome Remarks VOC North
8:40–9:30 AM Keynote Address VOC North
  * Maximiliano Gutierrez, Francis Crick Institute
 
  Valerie Mizrahi, University of Cape Town
Physiology of Mtb and Drug Discovery
 
9:30–11:45 AM Tuberculosis Genetics Across Scales VOC North
  * Mahdad Noursadeghi, University College London
Session Chair
 
  Jeremy Rock, Rockefeller University
Mtb Genetics and Biology
 
  Stephanie Boisson-Dupuis, The Rockefeller University
Human Genetic and Immunologic Determinants of Tuberculosis
 
  * Maha Farhat, Harvard Medical School
Genotypes and Phenotypes in TB
 
  Dmytro Butov, Kharkiv National Medical University
Short Talk: Dominance of Lineage 2 Mycobacterium Tuberculosis Strains in Ukraine During War: Genomic Insights into National Drug-Resistance Surveillance
 
10:00–10:20 AM Coffee Break 3rd Floor Foyer
12:30–1:30 PM Lunch Riempies
1:00–2:30 PM Poster Session 1 VOC South
2:30–4:00 PM Symposia Spotlight 1: Human in vitro Models VOC North
  Anne Goldfeld, Harvard Medical School
Early Restriction of TB Infection in HIV Uninfected and Infected Primary Hematopoietic Cells and a New Alveolar Type II Pulmonary Organoid Model
 
  * Jakson Luk, The Francis Crick Institute
An Autologous Human iPSC-derived Multicellular Alveolus-on-Chip Reveals Early Pathological Events of M. Tuberculosis Infection
 
  * Richa Mishra, Heidelberg University
Disrupting Cord Architectures To Accelerate Antibiotic Action In Mycobacterium Tuberculosis Infections
 
  Gesa Krueger, Friedrich-Loeffler-Institut
Differential Host Responses to Mycobacterium Tuberculosis and Mycobacterium Bovis Unveiled by a 3D Model of Bovine Tuberculous Granulomas
 
  Vijaya Vaishnavi V, Indian Institute of Science
Three-dimensional (3D) Granuloma-on-a-chip Platform for Studying Host-Pathogen Interaction in Tuberculosis
 
4:00–4:30 PM Coffee Available 3rd Floor Foyer
4:30–7:00 PM Mtb Infection of Host Cells VOC North
  * Dany J. V. Beste, University of Surrey
Session Chair
 
  * Maximiliano Gutierrez, Francis Crick Institute
Mtb Infection of Human Macrophages in Time and Space
 
  Trude Helen Flo, Norwegian University of Science and Technology
Host Cell Defense Against Mtb Infection
 
  Volker Briken, University of Maryland
Molecular Mechanisms of Mtb-Host Cell Interactions
 
  Naomi E Okugbeni, South African Medical Research Council
Short Talk: Understanding the Role of Mitochondrial Interactions in Autophagic Recognition and Clearance of Mycobacterium tuberculosis: From Cell Lines to Clinical Translation in Humans
 
  Anca Dorhoi, Friedrich-Loeffler-Institut
Short Talk: Hypoxia Reshapes the Endolysosomal Landscape and Function in Macrophages
 
  Anthony Reynolds, University of Washington
Short Talk: A Systems Biology Approach to Defining the Phosphoregulators of Primary Human Macrophage Responses to Mycobacterium tuberculosis Infection
 
  Reto Guler, University of Cape Town
Short Talk: Atorvastatin as a Host-Directed Therapy for Tuberculosis
 
7:00–8:00 PM On Own for Dinner
Wednesday, March 25, 2026
7:30–8:30 AM Breakfast Individual Hotel
8:00–8:30 AM Poster Setup VOC South
8:00–8:30 AM Coffee Available 3rd Floor Foyer
8:00–5:00 PM Poster Viewing VOC South
8:30–11:30 AM Tuberculosis Disease Across Populations VOC North
  * Digby F. Warner, University of Cape Town
Tuberculosis Aerobiology
 
  Hanif Esmail, University College London
Tuberculosis Across the Disease Spectrum
 
  Adrie J Steyn, Africa Health Research Institute & UAB
Metabolic Rewiring of Neutrophils during Mycobacterium Tuberculosis Infection
 
  Jayne S Sutherland, MRC Unit The Gambia at LSHTM
Identification of Protective Immunity in Mtb-Exposed Household Contacts from The Gambia
 
  Paul Ogongo, University of California, San Francisco
Short Talk: Antigen-driven Heterogeneity of CD4 T cells Reveals Preferential Induction of Th17 Responses by Variable M. tuberculosis Antigens.
 
  Jérôme Nigou, IPBS, CNRS - Université de Toulouse
Short Talk: Identification of Bacterial Cell Envelope Factors That Influence Tuberculosis Disease and Treatment Outcome
 
9:30–9:50 AM Coffee Break 3rd Floor Foyer
9:50–9:55 AM Award Recipient Acknowledgement VOC North
11:30–12:30 PM Career Roundtable VOC North
  Miriam J Urasa, East Central and Southern Africa Health Community
Senior Program Officer
 
  Carl Feng, University of Sydney
Professor
 
  Munyaradzi N Musvosvi, University of Cape Town
Chief Research Officer
 
  Alexander Schmidt, Gates Foundation
Deputy Director
 
12:30–1:30 PM Lunch Riempies
1:00–2:30 PM Poster Session 2 VOC South
4:30–5:00 PM Coffee Available 3rd Floor Foyer
5:00–7:30 PM Tuberculosis Models Across Scales VOC North
  * Divya Tiwari, Queen Mary University of London
Session Chair
 
  Carl Feng, University of Sydney
Spatial Mapping of Granulomas
 
  Vivek V. Thacker, University of Heidelberg
Imaging Mycobacteria Across Scales: Linking Ultrastructure with Emergent Collective Behaviour in Mycobacterial Cords
 
  Alissa C Rothchild, University of Massachusetts Amherst
Innate Immune Responses to Mtb in the Lung
 
  Paul T Elkington, University of Southampton
Short Talk: Mechanotransduction Regulates the Host-pathogen Interaction in TB
 
  Shabaana A Khader, University of Chicago
Short Talk: A Novel Th17-Inducing Mucosal Vaccine for Tuberculosis
 
  Veronica Szewczyk-Rozek, Max Planck Institute for Infection Biology
Short Talk: Reconstructing The Evolution Of Mycobacterium Tuberculosis Using Historical Medical Collections
 
  Marco Silva, i3S
Short Talk: Identifying Mycobacterium Tuberculosis Genetic Determinants of Disease Severity
 
7:00–8:00 PM On Own for Dinner
Thursday, March 26, 2026
7:30–8:30 AM Breakfast Individual Hotel
8:00–8:30 AM Poster Setup VOC South
8:00–8:30 AM Coffee Available 3rd Floor Foyer
8:00–5:00 PM Poster Viewing VOC South
8:30–11:30 AM Imaging Mtb Physiology VOC North
  * Tiago Beites, i3S - Instituto de Investigação e Inovação em Saúde da Universidade do Porto
Session Chair
 
  * Bree B Aldridge, Tufts University
Single-Cell Growth Behaviors of Mtb
 
  Giulia Manina, Institut Pasteur
Mycobacterium Tuberculosis Phenotypic Variation: Functional Insights and Opportunities
 
  Mireille Kamariza, University of California, Los Angeles
Visualising the Mtb Cell Wall
 
  Jamie N Blaza, Universtiy of York
Short Talk: Remission Spectroscopy Resolves the Mechanism of Action of Bedaquiline Within Living Mycobacteria
 
  James Gomez, Broad Institute
Short Talk: Chemical-Genetic Interaction Profiling to Accelerate Mechanism Discovery and Reveal Pathway-Linked Co-vulnerabilities in Mycobacterium tuberculosis
 
  Michelle Mei Kheng Yee, Max Planck Institute for Infection Biology
Short Talk: MAPK-ing the Way: ERK1/2 Signaling Orchestrates Macrophage Epithelial Transition and Mycobacterial Granuloma Formation
 
9:30–9:50 AM Coffee Break 3rd Floor Foyer
11:30–12:30 PM Lunch 3rd Floor Foyer
1:00–2:30 PM Poster Session 3 VOC South
2:30–4:00 PM Symposia Spotlight 2: Imaging VOC North
  * Paul T Elkington, University of Southampton
Session Chair
 
  Sefiyat Adebiyi, Stellenbosch University
Spatial Transcriptomic Analysis Reveals a Hypoxia–SPP1 Gradient Defining Immunosuppressive Microenvironments Across TB Granuloma Phenotypes
 
  Yue (Rachel) Chen, Shanghai Pulmonary hospital, Tongji University School of Medicine
Cholesterol-Mediated Rewiring Of Mycobacterium Tuberculosis Pathogenesis And Host Immunometabolism
 
  Stephanus T Malherbe, Stellenbosch University
Associations Between Subclinical Tuberculosis on FDG PET-CT, IGRA, and TB Progression
 
  Yasin Razak, University of Cape Town
Towards Optogenetic Control of Gene Expression in Mycobacteria
 
  George R Mayson, University of Surrey
Mycobacterial Memory: A Bacterium's Past Protects its Future
 
4:00–4:30 PM Coffee Available 3rd Floor Foyer
4:30–6:00 PM Tuberculosis Immunology VOC North
  * Anca Dorhoi, Friedrich-Loeffler-Institut
Session Chair
 
  * Margarida Saraiva, i3s
Regulation of the Immune Response by Diverse M. tuberculosis Isolates
 
  Christina L Stallings, Washington University School of Medicine
Immunological Control of Mtb
 
  Mahdad Noursadeghi, University College London
Short Talk: Common Genetic Determinants of Longitudinal Human in vivo Immune Response to Mycobacterium Tuberculosis
 
  William J Branchett, Francis Crick Institute
Short Talk: Local Immune Determinants of M. tuberculosis Infection Control and TB Disease in Mouse and Human Systems
 
6:00–6:15 PM Meeting Wrap-Up: Outcomes and Future Directions (Organizers) VOC North
6:15–8:00 PM On Own for Dinner
Friday, March 27, 2026
12:00–11:59 PM Departure