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Cell-penetrating peptides (CPPs) are powerful vectors for the intracellular delivery of a diverse array of therapeutic molecules. Despite their potential, the rational design of CPPs remains a challenging task that often requires extensive…

Biomolecules · Quantitative Biology 2024-06-05 Gabriele Maroni , Filip Stojceski , Lorenzo Pallante , Marco A. Deriu , Dario Piga , Gianvito Grasso

Identification of antimicrobial peptides is an important and necessary issue in today's era. Antimicrobial peptides are essential as an alternative to antibiotics for biomedical applications and many other practical applications. These…

Machine Learning · Computer Science 2025-12-17 Reyhaneh Keshavarzpour , Eghbal Mansoori

Antimicrobial peptides have emerged as promising molecules to combat antimicrobial resistance. However, fragmented datasets, inconsistent annotations, and the lack of standardized benchmarks hinder computational approaches and slow down the…

Membrane proteins often need to be inserted into or attached on the cell membrane to perform their functions. Understanding their transmembrane topology and conformational dynamics during insertion is crucial for elucidating their roles.…

Biological Physics · Physics 2024-12-30 C. Yang , D. Ma , S. Hu , M. Li , Y. Lu

We develop theory and computational methods to investigate particle inclusions embedded within curved lipid bilayer membranes. We consider the case of spherical lipid vesicles where inclusion particles are coupled through (i) intramembrane…

Soft Condensed Matter · Physics 2023-02-28 Jon Karl Sigurdsson , Paul J. Atzberger

Both molecular mechanical and quantum mechanical calculations play an important role in describing the behavior and structure of molecules. In this work, we compare for the same peptide systems the results obtained from folding molecular…

Biomolecules · Quantitative Biology 2021-01-07 Dimitrios A. Mitsikas , Nicholas M. Glykos

As the development of new classes of antibiotics slows, bacterial resistance to existing antibiotics is becoming an increasing problem. A potential solution is to develop treatment strategies with an alternative mode of action. We consider…

Cell Behavior · Quantitative Biology 2018-07-04 Paul A. Roberts , Ryan M. Huebinger , Emma Keen , Anne-Marie Krachler , Sara Jabbari

Antimicrobial protocols - using substances such as antibiotics or disinfectants - remain the preferred option for preventing the spread of pathogenic bacteria. However, bacteria can develop mechanisms to reduce their antimicrobial…

Populations and Evolution · Quantitative Biology 2026-02-17 Nerea Martínez-López , Niclas Nordholt , Frank Schreiber , Míriam R. García

We study the aggregation of peptides using the discrete molecular dynamics simulations. At temperatures above the alpha-helix melting temperature of a single peptide, the model peptides aggregate into a multi-layer parallel beta-sheet…

Soft Condensed Matter · Physics 2009-11-10 S. Peng , F. Ding , B. Urbanc , S. V. Buldyrev , L. Cruz , H. E. Stanley , N. V. Dokholyan

In this paper, we propose applying semantic embedding to learn the range of behaviors exhibited by molecular swarms, thereby providing a richer set of features to optimize such systems. Specifically, we consider a standard molecular swarm…

Robotics · Computer Science 2026-04-08 Tom Bachard , Gong Yiming , Ibuki Kawamata , Akira Kakugo , Nathanael Aubert-Kato

The intrinsic property of proteins to form structural motifs such as alpha-helices and beta-sheets leads to a complex phase behavior in which proteins can assemble into various types of aggregates including crystals, liquidlike phases of…

Biomolecules · Quantitative Biology 2010-06-08 Stefan Auer , Dimo Kashchiev

Viroporins are small viral proteins that oligomerize in the membrane of host cells and induce the formation of hydrophilic pores in these membranes, thus altering the physiological properties of the host cells. Due to their significance for…

Biomolecules · Quantitative Biology 2022-09-13 Antonios Kolocouris , Isaiah Arkin , Nicholas M. Glykos

Abeta is a disordered peptide central to Alzheimer's Disease. Aggregation of Abeta has been widely explored, but its molecular crowding less so. The synaptic cleft where Abeta locates only holds 60-70 water molecules along its width. We…

Biological Physics · Physics 2019-08-27 Rukmankesh Mehra , Kasper P. Kepp

The dynamic interplay between collective cell movement and the various molecules involved in the accompanying cell signalling mechanisms plays a crucial role in many biological processes including normal tissue development and pathological…

Cell Behavior · Quantitative Biology 2016-07-20 Pia Domschke , Dumitru Trucu , Alf Gerisch , Mark A. J. Chaplain

Motivated by the biologically important and complex phenomena of A\beta\ peptide aggregation in Alzheimer's disease, we introduce a model and simulation methodology for studying protein aggregation that includes extra-cellular aggregation,…

Quantitative Methods · Quantitative Biology 2018-03-02 Youval Dar , Benjamin Bairrington , Daniel Cox , Rajiv Singh

A major part of membrane function is conducted by proteins, both integral and peripheral. Peripheral membrane proteins temporarily adhere to biological membranes, either to the lipid bilayer or to integral membrane proteins with…

Biomolecules · Quantitative Biology 2014-06-27 Katerina C. Nastou , Georgios N. Tsaousis , Kimon E. Kremizas , Zoi I. Litou , Stavros J. Hamodrakas

We present a continuum model trained on molecular dynamics (MD) simulations for cellular membranes composed of an arbitrary number of lipid types. The model is constructed within the formalism of dynamic density functional theory and can be…

Protein folding, peptide aggregation and crystallization, as well as adsorption of molecules on soft or solid substrates have an essential feature in common: In all these processes, structure formation is guided by a collective, cooperative…

Statistical Mechanics · Physics 2009-02-12 Michael Bachmann , Wolfhard Janke

Often the development of novel functional peptides is not amenable to high throughput or purely computational screening methods. Peptides must be synthesized one at a time in a process that does not generate large amounts of data. One way…

Biomolecules · Quantitative Biology 2020-12-14 Rainier Barrett , Andrew D. White

Lipid membranes, the barrier defining living cells and many of their sub-compartments, bind to a wide variety of nano- and micro-meter sized objects. In the presence of strong adhesive forces, membranes can strongly deform and wrap the…