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HIGHLIGHTED ARTICLES

Nest-Level Phase Transition Drives Synchronized Activity Bursts in Ant Colonies

Michael Napoli, Simon Garnier, and Maurizio Porfiri

PRX Life 4, 033010 (2026) - Published 5 August, 2026

Bursts of synchronized activity in ant colonies can be characterized as a phase transition, emerging as a balance between the responsiveness of the colony to the activation of a single ant and its ability to fully deactivate before the next burst.

Brownian Bridging of Chromatin States in Leukemic Cells

M. Calero, E. del Arco, M. Amores-Sánchez, D. Herráez-Aguilar, E. García-Sánchez, A. González-Murillo, J. Lalchandani, N. Caselli, J. Fernández-Castillo, A. Caamaño, M. Ramírez-Orellana, I. Mora-Jiménez, and F. Monroy

PRX Life 4, 033013 (2026) - Published 12 August, 2026

Rare chromatin mobility transitions uncover lineage-specific nonequilibrium dynamics of chromatin remodeling in acute lymphoblastic leukemia.

Roadmap for Condensates in Cell Biology

Dilimulati Aierken et al.

PRX Life 4, 032501 (2026) - Published 20 August, 2026

This Roadmap clarifies terminology, core physics, biological roles, and key theoretical, computational, and experimental challenges to guide a coordinated effort toward a predictive understanding and control of biomolecular condensates.

ARTICLES

Unraveling the Temporal Dependence of Ecological Interaction Measures

Javier Aguilar, Samir Suweis, Amos Maritan, and Sandro Azaele

PRX Life 4, 033001 (2026) - Published 1 July, 2026

A new framework provides a robust, timescale-aware way to interpret empirical interactions in ecological systems, offering practical quantitative guidance for experimental design and predictive ecosystem modeling for physicists and ecologists.

Single Molecule Investigations of Impacts from Mycobacterial Topoisomerase I C-terminal Deletions on Supercoil Relaxation

Dillon Balthrop, Deepesh Sigdel, Chunfeng Mao, Yuk-Ching Tse-Dinh, and Maria Mills

PRX Life 4, 033002 (2026) - Published 6 July, 2026

Single-molecule experiments show how specific protein domains utilize mechanical strain to relax twisted DNA, proposing modified steps in the protein’s relaxation cycle.

Phenotypic Heterogeneity in Lag Reflects an Evolutionarily Stable Bet-Hedging Strategy

Abir George, Ned S. Wingreen, and Gautam Reddy

PRX Life 4, 033003 (2026) - Published 9 July, 2026

Driven by metabolic growth-lag trade-offs, the diversification of clonal yeast into two distinct phenotypes acts as an evolutionary rheostat that maximizes long-term fitness.

Enzyme-Driven Phase Separation

Damiano Andreghetti, Alfredo Braunstein, Luca Dall'Asta, and Andrea Gamba

PRX Life 4, 033004 (2026) - Published 14 July, 2026

A minimal theory shows how energy-consuming enzymes determine how active membrane domain form, persist, and coarsen.

Protein Folding Stability Simultaneously Imaged in Stress Granules and the Cytoplasm of a Single Living Cell

Mailin Becker, Nirnay Samanta, Erik Tsvetaev, Miká Vollet, Sara S. Ribeiro, and Simon Ebbinghaus

PRX Life 4, 033005 (2026) - Published 16 July, 2026

A new confocal imaging method reveals that protein folding stability inside stress granules in living cells defies expectations from test-tube studies.

Dissecting Rate-Limiting Processes in Biomolecular Condensate Exchange Dynamics

Ross Kliegman, Eli Kengmana, Rebecca Schulman, and Yaojun Zhang

PRX Life 4, 033006 (2026) - Published 20 July, 2026

Attachment and detachment of molecules to and from the internal network of a biomolecular condensate can reshape its material exchange dynamics.

Probing Diffusion and Viscosity in Multiphase Coacervates and Cellular Condensates with Raster Image Correlation Spectroscopy

Brent S. Visser, Iris B. A. Smokers, Wojciech P. Lipiński, and Evan Spruijt

PRX Life 4, 033007 (2026) - Published 27 July, 2026

Raster image correlation spectroscopy offers a nondestructive fluorescence-based method for probing biomolecular condensate properties in situ.

You ain't Seen Nothing and Yet: Future Biochemical Concentrations can be Predicted with Surprisingly High Accuracy

Ketevan Danelia, Sean A. Ridout, and Ilya Nemenman

PRX Life 4, 033008 (2026) - Published 29 July, 2026

Knowledge of the underlying statistical structure of a molecular concentration profile enhances biological sensing precision.

Thermally Robust Cooperative Function in Mechanical Networks

Ben Pisanty, Jovana A. Kim, Andrea J. Liu, and Sidney R. Nagel

PRX Life 4, 033009 (2026) - Published 31 July, 2026

Tuning elastic networks for bidirectional allostery improves cooperative binding, while a modified tuning process ensures robustness against thermal fluctuations by raising the crossover temperature.

Nest-Level Phase Transition Drives Synchronized Activity Bursts in Ant Colonies

Michael Napoli, Simon Garnier, and Maurizio Porfiri

PRX Life 4, 033010 (2026) - Published 5 August, 2026

Bursts of synchronized activity in ant colonies can be characterized as a phase transition, emerging as a balance between the responsiveness of the colony to the activation of a single ant and its ability to fully deactivate before the next burst.

Nuclear Packing Sets Fluidity Along the Epithelial to Mesenchymal Spectrum

Karen Yu, Alexander J. Devanny, and Laura J. Kaufman

PRX Life 4, 033011 (2026) - Published 5 August, 2026

Fluidity of multicellular spheroids can be determined and tuned by an effective nuclear packing metric that incorporates both nuclear occupancy and shape.

Nonlinear Respiratory Biomechanics Broadens the Range of Amplified Dynamics During Birdsong

Facundo Fainstein, Franz Goller, and Gabriel B. Mindlin

PRX Life 4, 033012 (2026) - Published 6 August, 2026

Nonlinear respiratory biomechanics in canaries broaden frequency amplification, mechanically supporting the rapid breathing rates essential for singing.

Brownian Bridging of Chromatin States in Leukemic Cells

M. Calero, E. del Arco, M. Amores-Sánchez, D. Herráez-Aguilar, E. García-Sánchez, A. González-Murillo, J. Lalchandani, N. Caselli, J. Fernández-Castillo, A. Caamaño, M. Ramírez-Orellana, I. Mora-Jiménez, and F. Monroy

PRX Life 4, 033013 (2026) - Published 12 August, 2026

Rare chromatin mobility transitions uncover lineage-specific nonequilibrium dynamics of chromatin remodeling in acute lymphoblastic leukemia.

Novel Analysis Method for Condensate Wetting Identifies Charge-Dependent Tau-Membrane Interactions

Katharina Sporbeck, Subhadip Ghosh, Rithika Sankar, Boglarka Nagy-Herczeg, Susanne Wegmann, Jaime Agudo-Canalejo, and Roland L. Knorr

PRX Life 4, 033014 (2026) - Published 14 August, 2026

An automated, scalable workflow quantifies condensate wetting on flat substrates such as supported lipid membranes, enabling systematic analysis of how changes in composition modulate condensate–surface interactions.

Mechanical Profiling of Biopolymer Condensates through Acoustic Trapping

Kichitaro Nakajima, Tomas Sneideris, Nadia A. Erkamp, Lydia L. Good, Yuri Hideshima, Hirotsugu Ogi, and Tuomas P. J. Knowles

PRX Life 4, 033015 (2026) - Published 17 August, 2026

Acoustic trapping offers a contactless way to read the mechanical “fingerprint” of soft biopolymer condensates, revealing how their stiffness shifts with environment.

Epigenetic Memory Achieved Through Chromatin-Induced Phase Separation

Adrien Berard, Jacob R. Gissinger, Kim Sneppen, and Genevieve Thon

PRX Life 4, 033016 (2026) - Published 18 August, 2026

A computational model reveals how chromatin condensates can create bistable heterochromatin states, linking molecular interactions, diffusing cofactors, 3D genome organization, and epigenetic memory.

Oxygen Field Dynamics in Bioconvection and the Spatial Organization of Multispecies Aerobic Bacteria

Oscar Gallardo-Navarro, Rinat Arbel-Goren, Bareket Dassa, Elias August, and Joel Stavans

PRX Life 4, 033017 (2026) - Published 19 August, 2026

Species-specific oxygen affinities and consumption rates shape the formation of distinct bacterial layers, guiding the dynamic spatial segregation of multispecies communities near air-water interfaces.

Adapting Co-Folding Models for Structure-Based Protein-Protein Docking Through Flow Matching

Da Xu, Lee-Shin Chu, and Jeffrey J. Gray

PRX Life 4, 033018 (2026) - Published 24 August, 2026

An adapted AlphaFold docking model bypasses sequence alignments to predict protein complexes, successfully resolving structures where traditional co-folding methods fail.

Fluctuating Environments Favor Extreme Reproductive Delays and Penalize Intermediate Ones

Jorge Hidalgo, Lorenzo Fant, Rafael Rubio de Casas, and Miguel A. Muñoz

PRX Life 4, 033019 (2026) - Published 25 August, 2026

A stochastic population model suggests why natural selection may favor either immediate or strongly delayed reproduction, while making intermediate waiting times less advantageous.

Theory for Coexistence and Selection of Branched Actin Networks in a Shared and Finite Pool of Monomers

Valentin Wössner, Falko Ziebert, and Ulrich S. Schwarz

PRX Life 4, 033020 (2026) - Published 26 August, 2026

Motivated by recent experimental observations, a theory combining growth kinetics, diffusion and percolation suggests that negative feedback through monomer depletion explains the coexistence of branched actin networks.

Assembly Factors Resolve Speed and Encoding Bottlenecks in Multifarious Self-Assembly

Félix Benoist and Pablo Sartori

PRX Life 4, 033021 (2026) - Published 27 August, 2026

Increasing the connectivity of a small fraction of components bypasses kinetic bottlenecks, explaining how assembly factors accelerate the self-assembly of large protein complexes.

Modular Connectivity in Neural Networks Emerges from Poisson Noise-Motivated Regularization and Promotes Robustness and Compositional Generalization

Daoyuan Qian, Qiyao Liang, and Ila Fiete

PRX Life 4, 033022 (2026) - Published 1 September, 2026

By mimicking biological brain noise, this work shows that activity-dependent fluctuations drive the emergence of modular architectures in artificial neural networks, improving robustness and generalization.

Recognition in Confinement: The Dynamics of Homologous Gene Pairing

Ehud Haimov, Jonathan G. Hedley, Natalia E. Simonowicz, Yaxuan Xiao, Andrew Stannard, Gleb Oshanin, Angelo Rosa, Yuval Elani, and Alexei A. Kornyshev

PRX Life 4, 033023 (2026) - Published 2 September, 2026

Physical confinement acts as a control parameter that optimizes protein-free homologous DNA pairing by balancing rapid diffusion-limited search with the avoidance of kinetic trapping.

Thermodynamic Cost-Controllability Tradeoff in Metabolic Currency Coupling

Jumpei F. Yamagishi and Tetsuhiro S. Hatakeyama

PRX Life 4, 033024 (2026) - Published 3 September, 2026

A fundamental tradeoff between metabolic controllability and thermodynamic cost explains how environmental complexity shapes the evolution of cellular currency-metabolite pools.

When Many Noisy Genes Optimize Information Flow

Nicholas Lawson and William Bialek

PRX Life 4, 033025 (2026) - Published 8 September, 2026

An information-theoretic model shows that, under limited molecular resources, information transmission is maximized by distributing expression across many noisy target genes.

Low-Dimensional Coexistence in Complex Microbial Ecosystems

Karthik Srinivasan, Germán Plata, and Purushottam D. Dixit

PRX Life 4, 033026 (2026) - Published 15 September, 2026

Analysis of nearly 200 human gut microbiome datasets shows that microbial coexistence is governed by a few effective ecological dimensions, rather than the high-dimensional niches assumed by prevailing theory.

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