Clay weekly context brief for the Quantitative Biology category (ISO week 2026-W45). Clay tracks publications from the Quantitative Biology feed list. Below are recent items from this category, each with its source and a short description of what the publication covers when one is available in the source feed. Recent publications: 1. Kinetic Proofreading Activation Times Beyond the Weibull Limit Source: q-bio.QM (Quantitative Methods) Link: https://arxiv.org/abs/2610.31788 T cells can detect a few foreign peptide-major histocompatibility complexes (pMHCs) among a far larger number of self pMHCs. 2. How complex behavioural contagion can prevent infectious diseases from becoming endemic Source: q-bio.PE (Populations and Evolution) Link: https://arxiv.org/abs/2604.10995 Infectious disease transmission in human populations has a complex two-way interaction with changes in host behaviour. 3. FISH Omics Format: a standard enabling FAIR chromatin tracing data sharing across repositories Source: q-bio.OT (Other Quantitative Biology) Link: https://arxiv.org/abs/2508.13255 In recent years, multiplexed Fluorescence In Situ Hybridization (FISH) or FISH-omics methods have rapidly expanded, enabling the quantification of chromatin organization in single cells, often in conjunction with measurements of RNAs and proteins. 4. pyAvalanches: A Python Package for Analyzing Spatiotemporal Propagation in Neuronal Avalanches Source: q-bio.NC (Neurons and Cognition) Link: https://arxiv.org/abs/2609.11530 The analysis of neuronal avalanches offers insights into brain dynamics utilizing the framework of criticality, but the reproducibility and comparability of studies are limited by the use of fragmented, lab-specific scripts. 5. pyTransRate: reference-free quality assessment of de novo transcriptome assemblies with current aligners and quantifiers Source: q-bio.GN (Genomics) Link: https://arxiv.org/abs/2610.37031 Summary: The original software TransRate scores a de novo transcriptome assembly by mapping the reads it was built from back to it, with no reference required. 6. A Co-Design Approach to Physically-Informed Molecular Docking for Quantum Annealers Source: q-bio.BM (Biomolecules) Link: https://arxiv.org/abs/2604.09540 Molecular docking is a crucial step in computer- aided drug design, involving the identification of ligand poses that are physically plausible within a protein pocket. 7. Bistability, Absolute Concentration Robustness, and Hysteresis in Dual-Site Futile Cycles with Bifunctional Enzymes Source: q-bio.MN (Molecular Networks) Link: https://arxiv.org/abs/2605.11389 Bifunctional enzymes, which catalyze both the forward and reverse steps of a substrate modification reaction, arise naturally in bacterial two-component signaling systems and metabolic regulation. 8. Randomness-aware multiscale models of glioma invasion and treatment Source: q-bio.CB (Cell Behavior) Link: https://arxiv.org/abs/2602.08008 In this work, we develop a stochastic multiscale model for glioma growth and invasion in the brain, incorporating the effects of therapeutic interventions. 9. Forecasting Without Full Identification: Reliability and Computational Cost in Clot-Growth Simulation Source: q-bio.TO (Tissues and Organs) Link: https://arxiv.org/abs/2608.08165 We forecast clot growth from sparse early measurements with incomplete biochemical information. 10. gpuGEM: GPU-based linear optimisation of genome-scale metabolic models Source: q-bio.QM (Quantitative Methods) Link: https://arxiv.org/abs/2610.24106 Summary: Genome-scale metabolic models increasingly challenge CPU linear-programming solvers in repeated optimisation. 11. Counting approximate breakpoint medians of random genomes Source: q-bio.PE (Populations and Evolution) Link: https://arxiv.org/abs/2610.40027 Unsigned linear unichromosomal genomes with genes labeled 1, . 12. A unified and composable framework for modeling packed-bed liquid chromatography Source: q-bio.OT (Other Quantitative Biology) Link: https://arxiv.org/abs/2610.33269 Packed-bed chromatography is a cornerstone of bioseparation, yet its modeling landscape remains fragmented by numerous model variants, inconsistent terminology, and limited structural clarity. 13. Prospective Coding and Path Integration Emerge as Equilibrium Solutions of Self-Organizing Neural Networks with Firing-Rate Adaptation Source: q-bio.NC (Neurons and Cognition) Link: https://arxiv.org/abs/2606.14649 Continuous Attractor Neural Networks (CANNs) traditionally rely on pre-wired recurrent connectivity to model spatial representations, path integration, and anticipatory dynamics. 14. Reading Between the Reads: A Decade On, Revisiting Sequencing Protocol Annotation in the Sequence Read Archive Source: q-bio.GN (Genomics) Link: https://arxiv.org/abs/2610.27331 Background: Experimental metadata are essential for interpreting archived sequencing data. 15. Bridging the Simulation-to-Experiment Gap with Generative Models using Adversarial Distribution Alignment Source: q-bio.BM (Biomolecules) Link: https://arxiv.org/abs/2604.01169 A fundamental challenge in science and engineering is the simulation-to-experiment gap. 16. Orchestra: Corroboration-Based Regulatory Candidate Discovery via Composed Bioinformatics MCP Agents Source: q-bio.MN (Molecular Networks) Link: https://arxiv.org/abs/2609.05496 Orchestra composes two independently built bioinformatics MCP servers -- RegNetAgents, which infers regulatory network topology, and CASCADE, which provides independent functional evidence (LINCS knockdown, DepMap essentiality, super-enhancer status, DoRothEA transcription-factor confidence) -- into one multi-agent LangGraph workflow. 17. Generalizable single-cell perturbation response prediction using energy-guided flow matching Source: q-bio.CB (Cell Behavior) Link: https://arxiv.org/abs/2610.02232 Predicting phenotypic and transcriptional responses to perturbations at single-cell resolution provides a powerful tool for probing biological systems. 18. Semantic Context Forests for Learning-Based Knee Cartilage Segmentation in 3D MR Images Source: q-bio.TO (Tissues and Organs) Link: https://arxiv.org/abs/1307.2965 The automatic segmentation of human knee cartilage from 3D MR images is a useful yet challenging task due to the thin sheet structure of the cartilage with diffuse boundaries and inhomogeneous intensities. 19. Beyond $\chi^2$: Ensemble null tests for reliable scientific discovery Source: q-bio.QM (Quantitative Methods) Link: https://arxiv.org/abs/2610.40167 Unrecognized systematic errors can survive standard checks and undermine scientific discoveries. 20. A method for including additional socio-demographic factors in social contact matrices for compartment-based epidemic models Source: q-bio.PE (Populations and Evolution) Link: https://arxiv.org/abs/2605.13870 Socio-demographic factors influence social contact patterns and play a fundamental role in shaping the transmission dynamics of infectious diseases. 21. A Low-Rank Space Captures Linear Alignment Between LLM and Human Neural Activity During Naturalistic Language Listening Source: q-bio.NC (Neurons and Cognition) Link: https://arxiv.org/abs/2610.40511 Large language models (LLMs) are increasingly used as computational models of human language processing, yet it remains unclear which components of their representations drive alignment with neural activity. 22. GenoBERT: A Language Model for Accurate Genotype Imputation Source: q-bio.GN (Genomics) Link: https://arxiv.org/abs/2604.00058 Genotype imputation enables dense variant coverage for genome-wide association and risk-prediction studies, yet conventional reference-panel methods remain limited by ancestry bias and reduced rare-variant accuracy. 23. Latent Style-based Quantum Wasserstein GAN for Drug Design Source: q-bio.BM (Biomolecules) Link: https://arxiv.org/abs/2603.22399 The development of new drugs is a time-consuming and expensive process, with average costs estimated to be up to around $2.5 billion. 24. Graph Neural Network-Based Reinforcement Learning for Controlling Biological Networks - the GATTACA Framework Source: q-bio.MN (Molecular Networks) Link: https://arxiv.org/abs/2505.02712 Cellular reprogramming, the artificial transformation of one cell type into another, has been attracting increasing research attention due to its therapeutic potential for complex diseases. 25. Multimodal reasoning for broadly neutralizing antibody discovery from label-free human B cell repertoires across virus families Source: q-bio.CB (Cell Behavior) Link: https://arxiv.org/abs/2610.03160 Discovering broadly neutralizing antibodies (bnAbs) from human natural immune repertoires remains a fundamental challenge in immunology, hindered by: the extreme rarity of bnAb, incomplete understanding of their cellular origins across pathogens, and the inability of existing computational tools to generalize across emerging viral threats. 26. An Octahedral Fibrous Constitutive Model for Heart Valve Mechanics and Function Source: q-bio.TO (Tissues and Organs) Link: https://arxiv.org/abs/2606.04234 Fibrous soft tissues derive their nonlinear mechanical response from networks of extracellular matrix fibers. 27. Confidence Filtering in Video-Based Gait Assessment: Measurement Error versus Selection Shift Source: q-bio.QM (Quantitative Methods) Link: https://arxiv.org/abs/2610.39704 Video-based gait assessment often keeps only high-confidence pose observations, which can lower measurement error but change the movement assessed. 28. Short-wave signal versus indirect prey-taxis Source: q-bio.PE (Populations and Evolution) Link: https://arxiv.org/abs/2604.20469 We address a short-wave asymptotic for one class of quasi-linear second-order PDE systems involving the cross-diffusion described by the so-called Patlak-Keller-Segel law. 29. Latent Prediction Yields Cross-Subject Alignable Representations in Sensory-Evoked fMRI Source: q-bio.NC (Neurons and Cognition) Link: https://arxiv.org/abs/2610.40280 Decoding sensory-evoked functional magnetic resonance imaging (fMRI) data is a central analytical tool in cognitive neuroscience. 30. Adaptive Allele-Haplotype Incidence Indexing for Pangenome Queries: Representation, Reconstruction, and Benchmarking Source: q-bio.GN (Genomics) Link: https://arxiv.org/abs/2512.21320 Population-scale analysis of phased genetic variants requires both allele-carrier retrieval and ordered haplotype context. 31. Commutative Algebra Modeling of Mutation and Disease Association Source: q-bio.BM (Biomolecules) Link: https://arxiv.org/abs/2509.26566 Genetic mutations can lead to disease by disrupting molecular interactions, altering protein stability, inducing misfolding, and promoting protein aggregation. 32. On the Regularity of Reaction Systems Source: q-bio.MN (Molecular Networks) Link: https://arxiv.org/abs/2409.05340 Reaction networks have been widely used as generic models in diverse areas of applied sciences, such as biology, chemistry, ecology, epidemiology, and computer science. 33. Reduced Hodgkin-Huxley models based on the correlation between sodium and potassium gating variables Source: q-bio.CB (Cell Behavior) Link: https://arxiv.org/abs/2402.19185 We analyse the interaction between the sodium (Na$^+$) and potassium (K$^+$) gating variables in the 4D Hodgkin-Huxley axonal electrophysiological model. Sources in this brief: q-bio.BM (Biomolecules); q-bio.CB (Cell Behavior); q-bio.GN (Genomics); q-bio.MN (Molecular Networks); q-bio.NC (Neurons and Cognition); q-bio.OT (Other Quantitative Biology); q-bio.PE (Populations and Evolution); q-bio.QM (Quantitative Methods); q-bio.TO (Tissues and Organs). Selected 33 of 468 available items for this weekly brief.