Mechanisms of cellular mRNA transcript homeostasis

S Berry, L Pelkmans - Trends in Cell Biology, 2022 - cell.com
For most genes, mRNA transcript abundance scales with cell size to ensure a constant
concentration. Scaling of mRNA synthesis rates with cell size plays an important role, with …

Do not panic: An intron-centric guide to alternative splicing

E Petrillo - The Plant Cell, 2023 - academic.oup.com
This review is an attempt to establish concepts of splicing and alternative splicing giving
proper relevance to introns, the key actors in this mechanism. It might also work as a guide …

Increasing cell size remodels the proteome and promotes senescence

MC Lanz, E Zatulovskiy, MP Swaffer, L Zhang, I Ilerten… - Molecular cell, 2022 - cell.com
Cell size is tightly controlled in healthy tissues, but it is unclear how deviations in cell size
affect cell physiology. To address this, we measured how the cell's proteome changes with …

Spatiotemporally resolved transcriptomics reveals the subcellular RNA kinetic landscape

J Ren, H Zhou, H Zeng, CK Wang, J Huang, X Qiu… - Nature …, 2023 - nature.com
Spatiotemporal regulation of the cellular transcriptome is crucial for proper protein
expression and cellular function. However, the intricate subcellular dynamics of RNA remain …

RNA polymerase II dynamics and mRNA stability feedback scale mRNA amounts with cell size

MP Swaffer, GK Marinov, H Zheng, LF Valenzuela… - Cell, 2023 - cell.com
A fundamental feature of cellular growth is that total protein and RNA amounts increase with
cell size to keep concentrations approximately constant. A key component of this is that …

[HTML][HTML] Apicobasal RNA asymmetries regulate cell fate in the early mouse embryo

A Hawdon, ND Geoghegan, M Mohenska… - Nature …, 2023 - nature.com
The spatial sorting of RNA transcripts is fundamental for the refinement of gene expression
to distinct subcellular regions. Although, in non-mammalian early embryogenesis …

Concentration fluctuations in growing and dividing cells: Insights into the emergence of concentration homeostasis

C Jia, A Singh, R Grima - PLoS computational biology, 2022 - journals.plos.org
Intracellular reaction rates depend on concentrations and hence their levels are often
regulated. However classical models of stochastic gene expression lack a cell size …

Cellular state landscape and herpes simplex virus type 1 infection progression are connected

MK Pietilä, JJ Bachmann, J Ravantti… - Nature …, 2023 - nature.com
Prediction, prevention and treatment of virus infections require understanding of cell-to-cell
variability that leads to heterogenous disease outcomes, but the source of this heterogeneity …

Genome-wide quantification of RNA flow across subcellular compartments reveals determinants of the mammalian transcript life cycle

BM Smalec, R Ietswaart, K Choquet, E McShane… - BioRxiv, 2022 - biorxiv.org
Dissecting the myriad regulatory mechanisms controlling eukaryotic transcripts from
production to degradation requires quantitative measurements of mRNA flow across the cell …

Learning consistent subcellular landmarks to quantify changes in multiplexed protein maps

H Spitzer, S Berry, M Donoghoe, L Pelkmans… - Nature Methods, 2023 - nature.com
Highly multiplexed imaging holds enormous promise for understanding how spatial context
shapes the activity of the genome and its products at multiple length scales. Here, we …