Heterogeneous anomalous transport in cellular and molecular biology

TA Waigh, N Korabel - Reports on Progress in Physics, 2023 - iopscience.iop.org
It is well established that a wide variety of phenomena in cellular and molecular biology
involve anomalous transport eg the statistics for the motility of cells and molecules are …

G protein-coupled receptor-G protein interactions: a single-molecule perspective

D Calebiro, Z Koszegi, Y Lanoiselée… - Physiological …, 2021 - journals.physiology.org
G protein-coupled receptors (GPCRs) regulate many cellular and physiological processes,
responding to a diverse range of extracellular stimuli including hormones, neurotransmitters …

Elucidating the origin of heterogeneous anomalous diffusion in the cytoplasm of mammalian cells

A Sabri, X Xu, D Krapf, M Weiss - Physical Review Letters, 2020 - APS
Diffusion of tracer particles in the cytoplasm of mammalian cells is often anomalous with a
marked heterogeneity even within individual particle trajectories. Despite considerable …

Time averaging and emerging nonergodicity upon resetting of fractional Brownian motion and heterogeneous diffusion processes

W Wang, AG Cherstvy, H Kantz, R Metzler, IM Sokolov - Physical Review E, 2021 - APS
How different are the results of constant-rate resetting of anomalous-diffusion processes in
terms of their ensemble-averaged versus time-averaged mean-squared displacements …

Fractional Brownian motion with random diffusivity: emerging residual nonergodicity below the correlation time

W Wang, AG Cherstvy, AV Chechkin… - Journal of Physics A …, 2020 - iopscience.iop.org
Numerous examples for a priori unexpected non-Gaussian behaviour for normal and
anomalous diffusion have recently been reported in single-particle tracking experiments …

Fractional Brownian motion with random Hurst exponent: Accelerating diffusion and persistence transitions

M Balcerek, K Burnecki, S Thapa… - … Journal of Nonlinear …, 2022 - pubs.aip.org
Fractional Brownian motion, a Gaussian non-Markovian self-similar process with stationary
long-correlated increments, has been identified to give rise to the anomalous diffusion …

Disorder-induced Fickian, yet non-Gaussian diffusion in heterogeneous media

I Chakraborty, Y Roichman - Physical Review Research, 2020 - APS
Fickian yet non-Gaussian diffusion is observed in several biological and soft matter systems,
yet the underlying mechanisms behind the emergence of non-Gaussianity while retaining a …

Identifying heterogeneous diffusion states in the cytoplasm by a hidden Markov model

J Janczura, M Balcerek, K Burnecki, A Sabri… - New Journal of …, 2021 - iopscience.iop.org
Diffusion of nanoparticles in the cytoplasm of live cells has frequently been reported to
exhibit an anomalous and even heterogeneous character, ie particles seem to switch gears …

Superstatistical modelling of protein diffusion dynamics in bacteria

Y Itto, C Beck - Journal of the Royal Society Interface, 2021 - royalsocietypublishing.org
A recent experiment (Sadoon AA, Wang Y. 2018 Phys. Rev. E 98, 042411.(doi:
10.1103/PhysRevE. 98.042411)) has revealed that nucleoid-associated proteins (ie DNA …

Random diffusivity models for scaled Brownian motion

MAF Dos Santos, LM Junior - Chaos, Solitons & Fractals, 2021 - Elsevier
Nowadays, the number of physical systems that have reported non-Gaussian diffusion
emergence in systems whose diffusivity fluctuates is increasing. These systems may present …