Evidence map›Paper›PMID 21885680›Full record

ReviewMicrobiology and molecular biology reviews : MMBR2011

Molecular mechanism of scanning and start codon selection in eukaryotes.

Alan G Hinnebusch

Open access · greenAbstract readReview
In one paragraph

Review in Microbiology and molecular biology reviews : MMBR, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 269 papers.

0numbers the graph read from it
0cells of the map it votes in
269citing papers in PubMed
14.9field-weighted citation impact, top 1% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

269 citing papers in PubMed, 421 citations in OpenAlex.

  1. Regulation of translation by upstream translation initiation codons of surfactant protein A1 splice variants.American journal of physiology. Lung cellular and molecular physiology · 2015
    Trial
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  15. Introducing the EpGEpigenomes · 2025
    Article
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  18. eIF4A controls translation of estrogen receptor alpha and is a therapeutic target in advanced breast cancer.Proceedings of the National Academy of Sciences of the United States of America · 2025
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  19. Article
  20. Article

209 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

1 author at 1 institution in 1 country.

Alan G HinnebuschLaboratory of Gene Regulation and Development, Eunice K. Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD 20892, USA. alanh@mail.nih.gov
Eunice Kennedy Shriver National Institute of Child Health and Human Development · US

Funding

Translational & Transcriptional Control Of Gene Expression By Nutrients In YeastZIAHD001004 · NICHD · EUNICE KENNEDY SHRIVER NATIONAL INSTITUTE OF CHILD HEALTH & HUMAN DEVELOPMENT · PI HINNEBUSCH, ALAN G · 2009 to 2025
$34.4M
6 · The paper itself

Abstract

The correct translation of mRNA depends critically on the ability to initiate at the right AUG codon. For most mRNAs in eukaryotic cells, this is accomplished by the scanning mechanism, wherein the small (40S) ribosomal subunit attaches to the 5' end of the mRNA and then inspects the leader base by base for an AUG in a suitable context, using complementarity with the anticodon of methionyl initiator tRNA (Met-tRNAiMet) as the key means of identifying AUG. Over the past decade, a combination of yeast genetics, biochemical analysis in reconstituted systems, and structural biology has enabled great progress in deciphering the mechanism of ribosomal scanning. A robust molecular model now exists, describing the roles of initiation factors, notably eukaryotic initiation factor 1 (eIF1) and eIF1A, in stabilizing an "open" conformation of the 40S subunit with Met-tRNAiMet bound in a low-affinity state conducive to scanning and in triggering rearrangement into a "closed" conformation incompatible with scanning, which features Met-tRNAiMet more tightly bound to the "P" site and base paired with AUG. It has also emerged that multiple DEAD-box RNA helicases participate in producing a single-stranded "landing pad" for the 40S subunit and in removing the secondary structure to enable the mRNA to traverse the 40S mRNA-binding channel in the single-stranded form for base-by-base inspection in the P site.

Indexed as

Codon, InitiatorEukaryotaEukaryotic Initiation FactorsGuanosine TriphosphateHydrolysisPeptide Chain Initiation, TranslationalProtein BindingProtein BiosynthesisRibosome SubunitsRNA HelicasesRNA, Ribosomal, 18SRNA, Transfer, MetCodon, InitiatorEukaryotic Initiation FactorsGuanosine TriphosphateRNA HelicasesRNA, Ribosomal, 18SRNA, Transfer, Met

Identifiers

PMID21885680
PMCPMC3165540
OpenAlexW1971739920

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.