Evidence map›Paper›PMID 33074312›Full record

ArticleNucleic acids research2020

A novel assay provides insight into tRNAPhe retrograde nuclear import and re-export in S. cerevisiae.

Regina T Nostramo, Anita K Hopper

Open access · goldAbstract read
In one paragraph

Article in Nucleic acids research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.3field-weighted citation impact, top 21% 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

12 citing papers in PubMed, 19 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Gle1 is required for tRNA to stimulate Dbp5 ATPase activitybioRxiv : the preprint server for biology · 2023
    Article
  6. The life and times of a tRNA.RNA (New York, N.Y.) · 2023
    Review
  7. A Simple Method for the Detection of Wybutosine-Modified tRNAMethods in molecular biology (Clifton, N.J.) · 2023
    Article
  8. Article
  9. Article
  10. Article
  11. Review
  12. Review
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

2 authors at 1 institution in 1 country.

Regina T NostramoDepartment of Molecular Genetics Center for RNA Biology The Ohio State University, Columbus, OH 43210, USA.
Anita K HopperDepartment of Molecular Genetics Center for RNA Biology The Ohio State University, Columbus, OH 43210, USA.
The Ohio State University · US

Funding

tRNA processing and nuclear-cytoplasmic dynamicsR01GM122884 · NIGMS · OHIO STATE UNIVERSITY · PI HOPPER, ANITA K · 2017 to 2024
$2.7M
NIGMS NIH HHS R01 GM122884
6 · The paper itself

Abstract

In eukaryotes, tRNAs are transcribed in the nucleus and subsequently exported to the cytoplasm where they serve as essential adaptor molecules in translation. However, tRNAs can be returned to the nucleus by the evolutionarily conserved process called tRNA retrograde nuclear import, before relocalization back to the cytoplasm via a nuclear re-export step. Several important functions of these latter two trafficking events have been identified, yet the pathways are largely unknown. Therefore, we developed an assay in Saccharomyces cerevisiae to identify proteins mediating tRNA retrograde nuclear import and re-export using the unique wybutosine modification of mature tRNAPhe. Our hydrochloric acid/aniline assay revealed that the karyopherin Mtr10 mediates retrograde import of tRNAPhe, constitutively and in response to amino acid deprivation, whereas the Hsp70 protein Ssa2 mediates import specifically in the latter. Furthermore, tRNAPhe is re-exported by Crm1 and Mex67, but not by the canonical tRNA exporters Los1 or Msn5. These findings indicate that the re-export process occurs in a tRNA family-specific manner. Together, this assay provides insights into the pathways for tRNAPhe retrograde import and re-export and is a tool that can be used on a genome-wide level to identify additional gene products involved in these tRNA trafficking events.

Indexed as

Active Transport, Cell NucleusAniline CompoundsCell NucleusExportin 1 ProteinGenetic TechniquesHSP70 Heat-Shock ProteinsHydrochloric AcidKaryopherinsNuclear ProteinsNucleocytoplasmic Transport ProteinsNucleosidesReceptors, Cytoplasmic and NuclearRNA-Binding ProteinsRNA, Transfer, PheSaccharomyces cerevisiaeSaccharomyces cerevisiae ProteinsanilineAniline CompoundsExportin 1 ProteinHSP70 Heat-Shock ProteinsHydrochloric AcidKaryopherinsMEX67 protein, S cerevisiaeMTR10 protein, S cerevisiaeNuclear ProteinsNucleocytoplasmic Transport ProteinsNucleosidesReceptors, Cytoplasmic and NuclearRNA-Binding ProteinsRNA, Transfer, PheSaccharomyces cerevisiae ProteinsSSA2 protein, S cerevisiaewybutosine

Identifiers

PMID33074312
PMCPMC7672469
OpenAlexW3093401006

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.