2019
DOI: 10.1101/819672
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The N-terminal domain of Eukaryotic Initiation Factor 4B Drives Yeast Translational Control in Response to Urea

Abstract: The yeast eukaryotic initiation factor 4B binds the 40S subunit in translation preinitiation complexes (PICs), promoting mRNA binding. Recent evidence suggests mRNAs have variable dependence on eIF4B, suggesting this factor could promote changes in mRNA selection to adapt to stressors.However, the importance of eIF4B and its constituent domains for mRNA selection under diverse cellular and environmental conditions remain undefined. Here we compared the effects of disrupting eIF4B RNA-and ribosome-binding under… Show more

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“…eIF4B activity in particular is modulated by numerous cancer-relevant kinases, including p70/S6K (26)(27)(28). Recently, instances of collective and individual up-regulation of eIF4A, eIF4B, and eIF4E have been reported in cancers (29)(30)(31) with over-expression being associated with poor prognosis and metastatic disease (3). One study in particular noted this linkage for patients with endocrine receptor-negative breast cancer (9).…”
Section: Introductionmentioning
confidence: 99%
“…eIF4B activity in particular is modulated by numerous cancer-relevant kinases, including p70/S6K (26)(27)(28). Recently, instances of collective and individual up-regulation of eIF4A, eIF4B, and eIF4E have been reported in cancers (29)(30)(31) with over-expression being associated with poor prognosis and metastatic disease (3). One study in particular noted this linkage for patients with endocrine receptor-negative breast cancer (9).…”
Section: Introductionmentioning
confidence: 99%