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Brar GA, et al.  (2012) High-resolution view of the yeast meiotic program revealed by ribosome profiling. Science 335(6068):552-7

Abstract: Meiosis is a complex developmental process that generates haploid cells from diploid progenitors. We measured messenger RNA (mRNA) abundance and protein production through the yeast meiotic sporulation program and found strong, stage-specific expression for most genes, achieved through control of both mRNA levels and translational efficiency. Monitoring of protein production timing revealed uncharacterized recombination factors and extensive organellar remodeling. Meiotic translation is also shifted toward noncanonical sites, including short open reading frames (ORFs) on unannnotated transcripts and upstream regions of known transcripts (uORFs). Ribosome occupancy at near-cognate uORFs was associated with more efficient ORF translation; by contrast, some AUG uORFs, often exposed by regulated 5' leader extensions, acted competitively. This work reveals pervasive translational control in meiosis and helps to illuminate the molecular basis of the broad restructuring of meiotic cells.

Status: Published Type: Journal Article PubMed ID: 22194413

Topics addressed in this paper

Number of different genes curated to this paper: 19

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Topics Topics not linked to Genes Genes linked to topics (#1 - 10 )
GMC1 GMC2 SPO11 YBR056W-A YBR126W-A YDL009C YDL022C-A YEL020C YFR020W YGL204C
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Topics Genes linked to topics (#11 - 19 )
YGR018C YGR050C YIL105W-A YIL163C YIR020C YJL077W-A YKL044W YLR040C YMR316C-A
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