Cited by 3,853RNA and protein synthesis mechanismsGenomics and Phylogenetic StudiesRNA modifications and cancer

Genome-Wide Analysis in Vivo of Translation with Nucleotide Resolution Using Ribosome Profiling

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Ingolia, Nicholas T., Ghaemmaghami, Sina, Newman, John R. S., Weissman, Jonathan S.·2009·Science

Abstract

Techniques for systematically monitoring protein translation have lagged far behind methods for measuring messenger RNA (mRNA) levels. Here, we present a ribosome-profiling strategy that is based on the deep sequencing of ribosome-protected mRNA fragments and enables genome-wide investigation of translation with subcodon resolution. We used this technique to monitor translation in budding yeast under both rich and starvation conditions. These studies defined the protein sequences being translated and found extensive translational control in both determining absolute protein abundance and responding to environmental stress. We also observed distinct phases during translation that involve a large decrease in ribosome density going from early to late peptide elongation as well as widespread regulated initiation at non–adenine-uracil-guanine (AUG) codons. Ribosome profiling is readily adaptable to other organisms, making high-precision investigation of protein translation experimentally accessible.

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  • A recent study on embryonic stem cells revealed that changes in protein levels are not accompanied by changes in corresponding mRNAs.

    “A recent study on embryonic stem cells revealed that changes in protein levels are not accompanied by changes in corresponding mRNAs, although this study did not discern translational and post-translational control 38 .”

    From Global quantification of mammalian gene expression control (2011) · cites this paper as [38]

    The Abstract says mRNA levels are an imperfect proxy for protein production, and “Genome-wide measurements of translation” reports a weaker correlation of protein abundance with mRNA abundance than with measured translation rates. But the study examines yeast, not embryonic stem cells, and those passages do not establish that changes in protein levels occurred without changes in corresponding mRNAs. (LLM, conf=0.84)

    Experimental — accuracy not yet measured
  • For most analyses, ribosome footprint alignments were mapped to specific A-site nucleotides using alignment position and length, with calibration from footprints at coding sequence boundaries.

    “For most analyses, footprint alignments were assigned to specific A site nucleotides by using the position and total length of each alignment, calibrated from footprints at the beginning and the end of CDSes (Figures S1A and S1B) as previously described (Ingolia et al., 2009).”
  • Mammalian protein-coding genes show widespread upstream translation, which is more extensive than the upstream translation previously seen in yeast.

    “We also observe widespread translation upstream of mammalian protein-coding genes, similar to but more extensive than upstream translation that we observed in yeast (Ingolia et al., 2009).”
  • Ribosome profiling has reported similar variation (Ingolia et al., 2009).

    “Similar variation has been reported based on ribosome profiling (Ingolia et al., 2009).”
  • For highly translated proteins, the study found a conservation pattern similar to prior work, with lysine (AAA) and serine (TCT) most frequent just before and after the start codon, respectively.

    “we found a similar conservation pattern for the highly translated proteins (Gingold and Pilpel, 2011; Ingolia et al., 2009; Robbins-Pianka et al., 2010), where lysine (encoded by AAA) and serine (encoded by TCT) were the most frequently observed amino acids just before and after the start codon, respectively.”

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Research works printed but not linked: 2

  1. [16]Romaniuk E McLaughlin LW Neilson T Romaniuk PJ Eur. J. Biochem 1982 125 639 7117259
  2. [36]Holcik M Sonenberg N Nat. Rev. Mol. Cell Biol 2005 6 318 15803138

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Authors
Ingolia, N. T., Ghaemmaghami, S., Newman, J. R. S., & Weissman, J. S.
Affiliations
QB3 (US)
Corresponding author
  • Ingolia, Nicholas T.
  • Ghaemmaghami, Sina
Venue
Science
Published
2009-04-10
Volume
324
Issue
5924
Pages
218-223
ISSN
  • 0036-8075 (ISSN-L)
  • 1095-9203
OpenAlex
W2079517684
Cited by
3,853
References
34
Citations by year
2026: 187 · 2025: 245 · 2024: 268 · 2023: 276 · 2022: 225 · 2021: 326 · 2020: 316 · 2019: 257 · 2018: 279 · 2017: 258 · 2016: 251 · 2015: 219 · 2014: 224 · 2013: 171 · 2012: 150
FWCI
46.33
Type
journal article
Language
en
Open access
Locations
  • Science (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Howard Hughes Medical Institute
  • National Institute on Aging (AG10770, P01AG010770)
  • National Institute of General Medical Sciences (F32GM080853, GM080853)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA and protein synthesis mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Genomics and Phylogenetic Studies
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › RNA modifications and cancer
Keywords
ribosome profiling, mRNA translation, translational regulation, protein abundance, environmental stress response, ribosome density, peptide elongation, translation initiation, Saccharomyces cerevisiae, starvation
MeSH terms
Codon, Introns, Peptide Chain Elongation, Translational, Peptide Chain Initiation, Translational, Ribosomes, RNA, Fungal, RNA, Messenger, Saccharomyces cerevisiae, Protein Biosynthesis, Gene Library, Genome, Fungal, Sequence Analysis, DNA, 5' Untranslated Regions, Saccharomyces cerevisiae Proteins

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