Understanding and modeling of cellular metabolism (Matthias Heinemann, University of Groningen )
Lecture 1: Basics of carbon and energy metabolism, metabolic fluxes, respiration and aerobic fermentation, flux sensing
Lecture 2: Universal patterns of metabolic behavior across organisms, limitation in Gibbs energy dissipation rate governing metabolism
Lecture 3: Metabolic-intrinsic dynamics in control of the eukaryotic cell cycle
Thermodynamics of Chemical Reaction Networks (Francesco Avanzini, University of Padova)
Lecture 1: Dynamics and Thermodynamics
Dynamics; Local Detailed Balance; Basic Thermodynamics
Lecture 2: Topological properties of CRNs
Conservation laws and cycles of CRNs; Thermodynamic Potential
Lecture 3: Using Topology in Thermodynamics
Fundamental forces and thermodynamic potential; Illustrative Examples; a glance into circuit theory and energy transduction
The Statistical Physics Perspective on Immunology (Aleksandra Walczak, ENS Paris)
Lecture 1: Diversity in the immune system
Introduce measures of diversity; introduce Renyi entropies and clone size distributions. Introduce T and B cells, how they are made and basic estimates of diversity
Lecture 2: Optimal immune systems
Introduction to static optimization
Lecture 3. Phenotypic models of co-evolution
Introduce traveling waves in antigenic space; Introduce models of viral and immune evolution
Information Processing for Sensory systems and molecular signaling (Thierry Mora, ENS Paris)
Lecture 1: Basics of information theory and statistical inference
Shannon entropy, mutual information, channel capacity, Bayesian inference, likelihood and cross-entropy, posterior, prior. Gaussian example. Applications: Laughlin optimal information transmission, information in E. coli chemotaxis.
Lecture 2: Small numbers: fundamental limits on information processing.
Berg and Purcell bound, single-photon sensitivity in the retina, specificity in immune recognition.
Lecture 3: Collective sensing.
Collective coding in the retina, role of correlations. Positional coding in fly development.
The energetic cost of information processing from basic principles to biology. (Juan Parrondo, Universidad Complutense Madrid)
Lecture 1:
Intro: A bit of history. Basic concepts of information theory: Shannon entropy, mutual information. Shannon entropy and thermodynamics.
Lecture 2:
Information and the second law. Feedback engines.
Information flows. What is information?
A Thermodynamic approach to Active Matter (Gianmaria Falasco, University of Padova)
Lecture 1:
Simple models of active matter and their dissipative phases.
Lecture 2:
Dynamics and energetics of single active units: molecular motors, motile microorganisms, self-phoretic colloidal particles.
Lecture 3:
Tracking dissipation through scales.
The origin of life as a planetary process (Eric Smith, The Santa Fe Institute)
Lecture 1: Living Systems in Planetary Contexts
Hierarchical organization of living systems, Architecture, function, and evolutionary divergences in metabolism, Energetics in metabolism and geochemistry, Individuation of the living state, The translation system and the central dogma for flow of information and control, Folding and folds
Lecture 2: Functional and Evolutionary Comparative Analyses
Parsimony analysis of metabolic divergences and imputation of oldest metabolites and subnetworks, Primary organosynthesis and the prevalence of metabolites, Network-expansion analysis of synthetic dependencies, Two views of regularity in the genetic code, Generational structures in RNA through the emergence of translation, Comparative analysis and precedence among the protein folds
Lecture 3: Making Causal Claims about the origin of biospheres
Biology’s theory of cause, The fragility of scenario arguments in domains with fragmentary knowledge, The need for combinatorial and probabilistic null models, Rule-based modeling for structured combinatorial spaces, the application of non-equilibrium phase-transition concepts to reaction spaces, Stress bottlenecks and information gateways, Binary folding models
Biological evolution: making sense of protein sequence data (Anne Bitbol, EPFL Lausanne)
Lecture 1: Models of evolution: fate of mutations in populations
Moran model; Wright-Fisher model; diffusion approximation; Mutant fixation probability and average mutant fixation time; Link to evolution experiments – Parameter regimes; Evolution beyond selection and genetic drift
Lecture 2: Inference from protein sequences – traditional methods
Conservation: Shannon entropy; Statistical dependence between sites: mutual information; Pairwise maximum entropy models (Potts models); Detecting selection by comparing synonymous and nonsynonymous mutations
Lecture 3: Inference from protein sequences – protein language models
Transformers and protein language models; link to AlphaFold and structure prediction; Applications of protein language models: mutation effect prediction, sequence generation,interaction prediction; Models at the genome scale
Machine Learning and Protein Folding (Nazim Bouatta, Harvard Medical School)
Lecture 1: Algorithm space
A brief intro to protein biology. AlphaFold2 impacts on experimental structural biology. Co-evolutionary approaches. Space of ‘algorithms’ for protein structure prediction. Proteins as images (CNNs for protein structure prediction). End-to-end differentiable approaches. Attention and long-range dependencies. AlphaFold2 in a nutshell.
Lecture 2: AlphaFold2 architecture
Turning the co-evolutionary principle into an algorithm: EvoFormer. Structure module and symmetry principles (equivariance and invariance). OpenFold: retraining AlphaFold2 and insights into its learning mechanisms and capacity for generalization. Applications of variants of AlphaFold2 beyond protein structure prediction: AlphaFold Multimer for protein complexes, RNA structure prediction
Lecture 3: AlphaFold2 limitations and insights learned from OpenFold
Limitations of AlphaFold2 and evolutionary ML pipelines. OpenFold: retraining AlphaFold2 yields new insights into its capacity for generalization
Implementing evolutionary properties in biochemical reaction networks (Philippe Nghe, ESPCI Paris)