| Literature DB >> 27313038 |
Alan G Hinnebusch1, Ivaylo P Ivanov1, Nahum Sonenberg2.
Abstract
The eukaryotic 5' untranslated region (UTR) is critical for ribosome recruitment to the messenger RNA (mRNA) and start codon choice and plays a major role in the control of translation efficiency and shaping the cellular proteome. The ribosomal initiation complex is assembled on the mRNA via a cap-dependent or cap-independent mechanism. We describe various mechanisms controlling ribosome scanning and initiation codon selection by 5' upstream open reading frames, translation initiation factors, and primary and secondary structures of the 5'UTR, including particular sequence motifs. We also discuss translational control via phosphorylation of eukaryotic initiation factor 2, which is implicated in learning and memory, neurodegenerative diseases, and cancer.Entities:
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Year: 2016 PMID: 27313038 PMCID: PMC7422601 DOI: 10.1126/science.aad9868
Source DB: PubMed Journal: Science ISSN: 0036-8075 Impact factor: 47.728