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mTORC1 signaling controls multiple steps in ribosome biogenesis.

Iadevaia, V, Liu, R and Proud, CG (2014) mTORC1 signaling controls multiple steps in ribosome biogenesis. Semin Cell Dev Biol, 36. pp. 113-120.

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Abstract

Ribosome biogenesis is critical for cells to generate the ribosomes they need for protein synthesis in order to survive, grow and proliferate. It is a complex process, involving the coordinated production of four different RNA species and about 80 proteins, as well as their assembly into functional ribosomal subunits. Given its high demand for amino acids and nucleotides, it is also a metabolically expensive process for the cell. The mammalian target of rapamycin complex 1 (mTORC1) is a protein kinases which is activated by nutrients, anabolic hormones and oncogenic signaling pathways. mTORC1 positively regulates several steps in ribosome biogenesis, including ribosomal RNA transcription, the synthesis of ribosomal proteins and other components required for ribosome assembly. mTORC1 can thus coordinate stimuli which promote ribosome production with the various steps involved in this process. Although important advances have been made in our understanding of mTORC1 signaling, major questions remain about the molecular mechanisms by which it regulates ribosome biogenesis.

Item Type: Article
Authors :
NameEmailORCID
Iadevaia, Vv.iadevaia@surrey.ac.ukUNSPECIFIED
Liu, RUNSPECIFIEDUNSPECIFIED
Proud, CGUNSPECIFIEDUNSPECIFIED
Date : December 2014
Identification Number : 10.1016/j.semcdb.2014.08.004
Uncontrolled Keywords : 5′-TOP, Mammalian target of rapamycin, RNA polymerase, Rapamycin, Ribosomal protein, mTOR, mTOR complex 1, rRNA, Humans, Multiprotein Complexes, Protein Biosynthesis, RNA Polymerase I, RNA Polymerase III, RNA, Ribosomal, Ribosomal Proteins, Ribosomes, Signal Transduction, TOR Serine-Threonine Kinases
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 10:28
Last Modified : 17 May 2017 14:49
URI: http://epubs.surrey.ac.uk/id/eprint/827932

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