Evidence map›Paper›PMID 28334743›Full record

ArticleNucleic acids research2017

Comparative genomic analysis of translation initiation mechanisms for genes lacking the Shine-Dalgarno sequence in prokaryotes.

So Nakagawa, Yoshihito Niimura, Takashi Gojobori

Open access · goldAbstract read
In one paragraph

Article in Nucleic acids research, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
2.1field-weighted citation impact, top 12% 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

42 citing papers in PubMed, 58 citations in OpenAlex.

  1. Deep learning-drivenSynthetic and systems biotechnology · 2027
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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

3 authors at 3 institutions in 2 countries.

So NakagawaDepartment of Molecular Life Science, Tokai University School of Medicine, Isehara 259-1193, Japan.
Yoshihito NiimuraDepartment of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan.
Takashi GojoboriKing Abdullah University of Science and Technology, Computational Bioscience Research Center, Thuwal 23955-6900, Kingdom of Saudi Arabia.
King Abdullah University of Science and Technology · SAThe University of Tokyo · JPTokai University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In prokaryotes, translation initiation is believed to occur through an interaction between the 3΄ tail of a 16S rRNA and a corresponding Shine-Dalgarno (SD) sequence in the 5΄ untranslated region (UTR) of an mRNA. However, some genes lack SD sequences (non-SD genes), and the fraction of non-SD genes in a genome varies depending on the prokaryotic species. To elucidate non-SD translation initiation mechanisms in prokaryotes from an evolutionary perspective, we statistically examined the nucleotide frequencies around the initiation codons in non-SD genes from 260 prokaryotes (235 bacteria and 25 archaea). We identified distinct nucleotide frequency biases upstream of the initiation codon in bacteria and archaea, likely because of the presence of leaderless mRNAs lacking a 5΄ UTR. Moreover, we observed overall similarities in the nucleotide patterns between upstream and downstream regions of the initiation codon in all examined phyla. Symmetric nucleotide frequency biases might facilitate translation initiation by preventing the formation of secondary structures around the initiation codon. These features are more prominent in species' genomes that harbor large fractions of non-SD sequences, suggesting that a reduced stability around the initiation codon is important for efficient translation initiation in prokaryotes.

Indexed as

Genes, ArchaealGenes, BacterialPeptide Chain Initiation, Translational5' Untranslated RegionsCodon, InitiatorGenomicsNucleic Acid ConformationNucleotidesRegulatory Sequences, Ribonucleic AcidRNA, MessengerRNA, Ribosomal, 16S5' Untranslated RegionsCodon, InitiatorNucleotidesRegulatory Sequences, Ribonucleic AcidRNA, MessengerRNA, Ribosomal, 16S

Identifiers

PMID28334743
PMCPMC5397173
OpenAlexW2591306293

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.