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  4. A Dual Program for Translation Regulation in Cellular Proliferation and Differentiation
 
research article

A Dual Program for Translation Regulation in Cellular Proliferation and Differentiation

Gingold, Hila
•
Tehler, Disa
•
Christoffersen, Nanna R.
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2014
Cell

A dichotomous choice for metazoan cells is between proliferation and differentiation. Measuring tRNA pools in various cell types, we found two distinct subsets, one that is induced in proliferating cells, and repressed otherwise, and another with the opposite signature. Correspondingly, we found that genes serving cell-autonomous functions and genes involved in multicellularity obey distinct codon usage. Proliferation-induced and differentiation-induced tRNAs often carry anticodons that correspond to the codons enriched among the cell-autonomous and the multicellularity genes, respectively. Because mRNAs of cell-autonomous genes are induced in proliferation and cancer in particular, the concomitant induction of their codon-enriched tRNAs suggests coordination between transcription and translation. Histone modifications indeed change similarly in the vicinity of cell-autonomous genes and their corresponding tRNAs, and in multicellularity genes and their tRNAs, suggesting the existence of transcriptional programs coordinating tRNA supply and demand. Hence, we describe the existence of two distinct translation programs that operate during proliferation and differentiation.

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Type
research article
DOI
10.1016/j.cell.2014.08.011
Web of Science ID

WOS:000343094200011

Author(s)
Gingold, Hila
Tehler, Disa
Christoffersen, Nanna R.
Nielsen, Morten M.
Asmar, Fazila
Kooistra, Susanne M.
Christophersen, Nicolaj S.
Christensen, Lise Lotte
Borre, Michael
Sorensen, Karina D.
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Date Issued

2014

Publisher

Cell Press

Published in
Cell
Volume

158

Issue

6

Start page

1281

End page

1292

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
IBI  
Available on Infoscience
November 13, 2014
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/108701
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