SGD Paper 
Sangthong P, et al. (2007) Distributed control for recruitment, scanning and subunit joining steps of translation initiation. Nucleic Acids Res 35(11):3573-80
Abstract: Protein synthesis utilizes a large proportion of the available free energy in the eukaryotic cell and must be precisely controlled, yet up to now there has been no systematic rate control analysis of the in vivo process. We now present a novel study of rate control by eukaryotic translation initiation factors (eIFs) using yeast strains in which chromosomal eIF genes have been placed under the control of the tetO7 promoter system. The results reveal that, contrary to previously published reports, control of the initiation pathway is distributed over all of the eIFs, whereby rate control (the magnitude of their respective component control coefficients) follows the order: eIF4G > eIF1A > eIF4E > eIF5B. The apparent rate control effects of eIFs observed in standard cell-free extract experiments, on the other hand, do not accurately reflect the steady state in vivo data. Overall, this work establishes the first quantitative control framework for the study of in vivo eukaryotic translation.
| Status: Published | Type: Journal Article | PubMed ID: 17483513 |
Topics addressed in this paper
Number of different genes curated to this paper: 5
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