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Coordinating genome expression with cell size.

Marguerat, S; Bähler, J; (2012) Coordinating genome expression with cell size. Trends Genet , 28 (11) 560 - 565. 10.1016/j.tig.2012.07.003. Green open access

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Abstract

Cell size is highly variable; cells from various tissues differ in volume over orders of magnitudes, from tiny lymphocytes to giant neurons, and cells of a given type change size during the cell cycle. Larger cells need to produce and maintain higher amounts of RNA and protein to sustain biomass and function, although the genome content often remains constant. Available data indicate that the transcriptional and translational outputs scale with cell size at a genome-wide level, but how such remarkably coordinated regulation is achieved remains largely mysterious. With global and systems-level approaches becoming more widespread and quantitative, it is worth revisiting this fascinating problem. Here, we outline current knowledge of the fundamental relations between genome regulation and cell size, and highlight the biological implications and potential mechanisms of the global tuning of gene expression to cellular volume.

Type: Article
Title: Coordinating genome expression with cell size.
Location: England
Open access status: An open access version is available from UCL Discovery
DOI: 10.1016/j.tig.2012.07.003
Publisher version: http://dx.doi.org/10.1016/j.tig.2012.07.003
Language: English
Additional information: This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Keywords: Animals, Cell Size, Gene Expression, Genome, Humans, Transcription Factors, Transcription, Genetic
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Life Sciences > Div of Biosciences > Genetics, Evolution and Environment
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Cancer Institute
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Medical Sciences > Cancer Institute > Research Department of Cancer Bio
URI: https://discovery.ucl.ac.uk/id/eprint/1377189
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