[HTML][HTML] Coupling gene expression dynamics to cell size dynamics and cell cycle events: Exact and approximate solutions of the extended telegraph model

C Jia, R Grima - Iscience, 2023 - cell.com
The standard model describing the fluctuations of mRNA numbers in single cells is the
telegraph model which includes synthesis and degradation of mRNA, and switching of the …

Exact solution of stochastic gene expression models with bursting, cell cycle and replication dynamics

CHL Beentjes, R Perez-Carrasco, R Grima - Physical Review E, 2020 - APS
The bulk of stochastic gene expression models in the literature do not have an explicit
description of the age of a cell within a generation and hence they cannot capture events …

[HTML][HTML] Transcription stochasticity of complex gene regulation models

A Schwabe, KN Rybakova, FJ Bruggeman - Biophysical Journal, 2012 - cell.com
Transcription is regulated by a multitude of factors that concertedly induce genes to switch
between activity states. Eukaryotic transcription involves a multitude of complexes that …

Deterministic and stochastic descriptions of gene expression dynamics

R Marathe, V Bierbaum, D Gomez… - Journal of Statistical …, 2012 - Springer
A key goal of systems biology is the predictive mathematical description of gene regulatory
circuits. Different approaches are used such as deterministic and stochastic models, models …

Frequency domain analysis of fluctuations of mRNA and protein copy numbers within a cell lineage: theory and experimental validation

C Jia, R Grima - Physical Review X, 2021 - APS
The stochasticity of gene expression is manifested in the fluctuations of messenger
ribonucleic acid and protein copy numbers within a cell lineage over time. While data of this …

Exact solution of a three-stage model of stochastic gene expression including cell-cycle dynamics

Y Wang, Z Yu, R Grima, Z Cao - The Journal of Chemical Physics, 2023 - pubs.aip.org
The classical three-stage model of stochastic gene expression predicts the statistics of
single cell mRNA and protein number fluctuations as a function of the rates of promoter …

[HTML][HTML] Quantifying and correcting bias in transcriptional parameter inference from single-cell data

R Grima, PM Esmenjaud - Biophysical Journal, 2024 - cell.com
The snapshot distribution of mRNA counts per cell can be measured using single-molecule
fluorescence in situ hybridization or single-cell RNA sequencing. These distributions are …

Analytical distributions for detailed models of stochastic gene expression in eukaryotic cells

Z Cao, R Grima - Proceedings of the National Academy of …, 2020 - National Acad Sciences
The stochasticity of gene expression presents significant challenges to the modeling of
genetic networks. A two-state model describing promoter switching, transcription, and …

Coordination of gene expression noise with cell size: analytical results for agent-based models of growing cell populations

P Thomas, V Shahrezaei - Journal of the Royal Society …, 2021 - royalsocietypublishing.org
The chemical master equation and the Gillespie algorithm are widely used to model the
reaction kinetics inside living cells. It is thereby assumed that cell growth and division can be …

[HTML][HTML] The nonlinear dynamics and fluctuations of mRNA levels in cell cycle coupled transcription

Q Sun, F Jiao, G Lin, J Yu, M Tang - PLoS Computational Biology, 2019 - journals.plos.org
Gene transcription is a noisy process, and cell division cycle is an important source of gene
transcription noise. In this work, we develop a mathematical approach by coupling …