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- BiophysicsbioRxivPreprint
Unavoidable Disasters: the Hsp70 Chaperone Can Only Prevent Aggregation Over a Limited Time Span
M. F. Mecha, M. J. Dahl, J. K. Machhi…·Silvia Cavagnero
The paper develops a computational model to show that Hsp70 chaperones only delay, not prevent, protein aggregation, depending on client-specific kinetic and thermodynamic properties.
DOI 10.64898/2026.11.09.765239 - BiophysicsbioRxivPreprint
Elucidation of Sequence Constraints for Protein Folding on the Ribosome
Rohan Bhardwaj, Caden Sillman, Charles P Kuntz…·Jonathan P Schlebach
This study investigates how ribosome-mediated protein folding imposes sequence constraints by analyzing mutations in E. coli DHFR using deep mutational scanning and fluorogenic sensors.
DOI 10.64898/2026.11.07.765108 - Cell BiologybioRxivPreprint
Inference of cell division parameters in bacteria under transient growth conditions
Cesar Augusto Nieto Acuna, Sayeh Rezaee, Cesar Augusto Vargas-Garcia, Abhyudai Singh
The paper infers cell division parameters in E. coli under nonsteady growth conditions using single-cell size trajectories and time-resolved models.
DOI 10.64898/2026.11.05.764660 - BioinformaticsbioRxivPreprint
Multimodal cellular context enables molecular phenotyping from single-molecule trajectories
Taras Redchuk, Lea Rehm, Yuan Sui, Jarno Mäkelä
The paper introduces MIST, a framework that integrates single-molecule trajectory data with cellular context to improve molecular phenotyping in E. coli.
DOI 10.64898/2026.11.05.764606 - MicrobiologybioRxivPreprint
Evaluating non-oxidative glycolysis using 13C metabolic flux analysis
Kenta Miyoshi, Tatsumi Imada, Haruka Teraki…·Hiroshi Shimizu
This study evaluates the precision of 13C metabolic flux analysis using different glucose tracers to estimate non-oxidative glycolysis fluxes in E. coli.
DOI 10.64898/2026.11.04.764406 - BioinformaticsbioRxivPreprint
Bioprocess Modeling Made Easy With Hybrax
Julian Libiseller-Egger, Mathias Gotsmy, Gonzalo Guillén-Gosálbez, Jürgen Zanghellini
Hybrax simplifies hybrid bioprocess modeling by providing a framework that automates model setup and data handling, enabling reproducible and reusable models.
- BioinformaticsbioRxivPreprint
Stochastic gene expression drives state switching and phenotypic heterogeneity in RNA repair
Hollie J Hindley, Rodrigo Lara Molina, Andrea Y Weisse
The paper shows stochastic RNA repair in E. coli leads to phenotypic heterogeneity and state switching in antibiotic responses.
DOI 10.64898/2026.11.03.763983 - BiophysicsbioRxivPreprint
Massively parallel quantification and prediction of monomeric protein yield in Escherichia coli
Selena Setsu, Kaori Kiyokawa, Andy Y. W. Lam…·Kotaro Tsuboyama
The paper develops a scalable assay and a protein language model to predict monomeric yield of proteins in E. coli, showing it can be learned and designed.
DOI 10.64898/2026.11.02.763507 - BiophysicsbioRxivPreprint
A conserved thermodynamic signature links transcriptome organization to growth state
Roberto Zivieri, John Reeves, Swetansu Pattnaik…·Arcadi Cipponi
The paper develops a thermodynamic model linking transcriptome organization to growth state by analyzing RNA folding free energies across cell cycle and stress adaptation.
- Systems BiologybioRxivPreprint
Ultrasensitive Regulation in the Tryptophan System in Escherichia coli Provides Effective Noise Mitigation
Vinay Bavdekar, Sharad Bhartiya, K. V. Venkatesh
This study analyzes the tryptophan system in E. coli to show how multiple feedback loops enable rapid response and noise mitigation.
DOI 10.64898/2026.11.02.763317 - MicrobiologybioRxivPreprint
Regulatory plasticity of the rdar biofilm morphotype in clinical uropathogenic Escherichia coli and its modulation by ciprofloxacin
Fizza Mushtaq, Irfan Ali, Hira Sarfaraz…·Irfan Ahmad
This study identifies rdar biofilm formation in clinical uropathogenic E. coli and shows subinhibitory ciprofloxacin suppresses it in resistant isolates.
DOI 10.64898/2026.04.22.719398 - BioinformaticsbioRxivPreprint
Local fractal dimension as an indicator of functional reorganization in molecular interaction networks
Frank Hause, Alice Wedler-Geyer, Marcell Lederer…·Stefan Huettelmaier
The paper introduces DIFFRACT, a framework that uses local fractal dimension changes in protein interaction networks to detect functional reorganization, showing its utility in identifying novel biological roles in RAVER1-deficient cells.
DOI 10.64898/2026.10.27.762149 - Systems BiologybioRxivPreprint
Probing bacterial fitness in virtual chemostats
Kaan Öcal, Lars Maas, Michael P.H. Stumpf
The paper develops computational algorithms to accurately estimate bacterial population growth rates using single-cell models and applies them to study antibiotic response heterogeneity and chemotaxis effects.
DOI 10.64898/2026.10.31.763286 - MicrobiologybioRxivPreprint
A droplet-to-data workflow for antimicrobial screening of complex matrices
Immanuel Sanka, Merike Vaher, R. Aditya Aryandi Setiawibawa…·Simona Bartkova
The paper presents a droplet-based workflow for antimicrobial screening in complex matrices, showing it can detect MICs at lower concentrations and reveal extract-specific aggregation effects.
- MicrobiologyPLoS ONEPeer-reviewed
Structural Basis of H-NS-Mediated Temperature-Dependent Stimulation of Initial Growth in Escherichia coli.
Erika Yamauchi, Hayato Fujita, Yukari Miyake, Kaneyoshi Yamamoto
This study shows H-NS in E. coli undergoes a conformational switch at 37°C, enabling nucleoid reorganization that enhances growth, resolving the silencing paradox.
DOI 10.1371/journal.pone.0346655 - MicrobiologyeLifePeer-reviewed
Out-of-balance Growth Enables Cost-free Synthesis of the Flagellum and Other Proteins in a Single Bacterium
Mayra Garcia-Alcala, Josiah C. Kratz, Philippe Cluzel
The paper shows that single-cell growth rates increase with flagellar gene activity, contradicting bulk measurements, and attributes this to inherited growth factors.
DOI 10.7554/elife.110747.4 - BiochemistrybioRxivPreprint
Characterization of a spiramycin-inactivating macrolide esterase
Iryna Myziuk, Zahi Mulla, Taslimun Jannat, Antonio C. Ruzzini
The paper characterizes EstS, a macrolide esterase from E. coli, showing it preferentially inactivates spiramycin and tylosin, explaining resistance phenotypes.
DOI 10.64898/2026.10.26.761979 - Systems BiologybioRxivPreprint
Stochasticity in Metabolism: Oxidative Stress Response Phenotypes As Emergent Consequences of Network Topology
Aleksandar Mihnev, Dana Luong, Jonah Porat, Roger Chang
The paper models oxidative stress response in E. coli using a genome-scale metabolic model to show that bimodal killing under H2O2 stress emerges from network topology and stochastic sampling.
DOI 10.64898/2026.10.23.761362 - BiophysicsbioRxivPreprint
Metabolic-State-Dependent Magnetic Field Effects on Endogenous Flavin Autofluorescence in Escherichia coli
Noboru Ikeya, 美央 小見, Jonathan Woodward
This study shows that magnetic fields affect flavin autofluorescence in E. coli, with the effect depending on metabolic state and suppressed by carbon sources.
- Systems BiologybioRxivPreprint
Topological Complementarity Predicts Synergistic Drug Pairs in Branched Metabolic Networks.
Deeptanshu Pandey, Purbita Sikdar, Aniruddha Chattaraj, Sourav Chowdhury
The paper identifies synergistic drug pairs in branched metabolic networks by analyzing topological complementarity in the E. coli folate pathway.
DOI 10.64898/2026.10.24.761489 - BioengineeringbioRxivPreprint
Integrating Metabolic Networks into Hybrid Bioprocess Models
Mathias Gotsmy, Gonzalo Guillén‐Gosálbez
This paper introduces FBA-Hyb, a hybrid model integrating metabolic networks into bioprocess modeling, achieving higher predictive accuracy and stoichiometric consistency.
1 citation - Systems BiologybioRxivPreprint
The Sensitivity of 13C-Metabolic Flux Analysis to Biomass Composition Underscores the Need for Accurate Biomass Formulation in Escherichia coli
Yijing Cai, Maciek R. Antoniewicz
This study shows that 13C-MFA in E. coli is sensitive to biomass composition, emphasizing the need for accurate biomass formulations in flux analysis.
DOI 10.64898/2026.10.21.760808 - Systems BiologybioRxivPreprint
Cell State Transitions Drive Transcriptome-Proteome Alignment in a Minimal Photoautotroph
Jordan C. Rozum, Xiaolu Li, Young‐Mo Kim…·Song Feng
The paper investigates how cell state transitions in Prochlorococcus marinus MED4 affect transcriptome-proteome alignment through regulatory mechanisms involving RpaB and HimA.
DOI 10.64898/2026.10.20.760503 - MicrobiologybioRxivPreprint
Diaphorin induces extensive transcriptional remodeling of translation, transport, metabolism, and stress responses in Escherichia coli
Yuka Yasuda, Rena Takasu, Yuu Hirose, Atsushi Nakabachi
This study examines how diaphorin affects E. coli transcription, revealing widespread changes in translation, metabolism, transport, and stress responses.
DOI 10.64898/2026.10.20.760555 - MicrobiologybioRxivPreprint
Temporal dynamics of RNA phage infection reveal bacterial recovery despite ongoing viral replication
Noam Harel, Yuval Resisi, Moran Meir…·Adi Stern
The paper studies RNA phage infection dynamics in E. coli, showing bacterial population rebound despite viral replication and cell death.
DOI 10.64898/2026.10.19.760031 - MicrobiologybioRxivPreprint
Competition among viral elements for VIPR RNA-directed genome silencing
Santiago C. Lopez, Ella Brie T. Mayor, Kenneth J. Loi…·Jennifer A. Doudna
The paper shows that VIPR systems in E. coli mediate competition between phages and their satellite counterparts, with satellites using decoy RNAs to counteract repression.
DOI 10.64898/2026.10.15.759431 - Systems BiologybioRxivPreprint
Does specific membrane surface area constrain Escherichia coli energy spillage and therefore aerobic and anaerobic growth rates?
Campbell Putnam, St. Elmo Wilken, Ashley E. Beck…·Ross P. Carlson
This study quantifies how specific membrane surface area (sMSA) constrains Escherichia coli growth rates and energy metabolism across aerobic and anaerobic conditions.
DOI 10.64898/2026.10.13.758985 - Synthetic BiologybioRxivPreprint
How Bacterial Growth-Phase Reshapes Synthetic Gene Circuit Function
Eric Lu, Domitilla Del Vecchio
This study develops a mathematical model to predict synthetic gene circuit function during bacterial stationary phase by measuring transcription and translation dynamics over time.
DOI 10.64898/2026.10.09.752898 - MicrobiologybioRxivPreprint
Unsupervised decomposition of massively parallel TraDIS-Xpress fitness data from Escherichia coli identifies distinct functional and expression modules of antimicrobial resistance determinants
Muhammad Yasir, A. Keith Turner, Andrea Telatin…·Mark Alexander Webber
This paper uses ICA to analyze TraDIS-Xpress data from E. coli, identifying functional modules of antimicrobial resistance genes across multiple stress conditions.
DOI 10.64898/2026.10.11.758300