Evidence map›Paper›PMID 22438561›Full record

ArticleJournal of virology2012

Dissection of the role of the stable signal peptide of the arenavirus envelope glycoprotein in membrane fusion.

Emily L Messina, Joanne York, Jack H Nunberg

Open access · bronzeAbstract read
In one paragraph

Article in Journal of virology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 39 papers.

0numbers the graph read from it
0cells of the map it votes in
39citing papers in PubMed
1.4field-weighted citation impact, top 20% 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

39 citing papers in PubMed, 54 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Architectural organization andJournal of virology · 2024
    Article
  6. Strategies of rational and structure-driven vaccine design for Arenaviruses.Infection, genetics and evolution : journal of molecular epidemiology and evolutionary genetics in infectious diseases · 2024
    Review
  7. Article
  8. Article
  9. Article
  10. Article
  11. Review
  12. Review
  13. Article
  14. Article
  15. Article
  16. Review
  17. Article
  18. Article
  19. Article
  20. 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

3 authors at 1 institution in 1 country.

Emily L MessinaMontana Biotechnology Center, The University of Montana, Missoula, Montana, USA.
Joanne York
Jack H Nunberg
University of Montana · US

Funding

Vascular stabilization as a broad theraprutic platform for biodefenseU54AI065357 · NIAID · COLORADO STATE UNIVERSITY-FORT COLLINS · PI OLSON, KENNETH E · 2005 to 2013
$77.5M
Structure-function studies of the tripartite Junin arenavirus GP-CR01AI074818 · NIAID · UNIVERSITY OF MONTANA · PI NUNBERG, JACK H · 2008 to 2012
$1.6M
NIAID NIH HHS R01 AI074818NIAID NIH HHS U54 AI065357
6 · The paper itself

Abstract

The arenavirus envelope glycoprotein (GPC) retains a stable signal peptide (SSP) as an essential subunit in the mature complex. The 58-amino-acid residue SSP comprises two membrane-spanning hydrophobic regions separated by a short ectodomain loop that interacts with the G2 fusion subunit to promote pH-dependent membrane fusion. Small-molecule compounds that target this unique SSP-G2 interaction prevent arenavirus entry and infection. The interaction between SSP and G2 is sensitive to the phylogenetic distance between New World (Junín) and Old World (Lassa) arenaviruses. For example, heterotypic GPC complexes are unable to support virion entry. In this report, we demonstrate that the hybrid GPC complexes are properly assembled, proteolytically cleaved, and transported to the cell surface but are specifically defective in their membrane fusion activity. Chimeric SSP constructs reveal that this incompatibility is localized to the first transmembrane segment of SSP (TM1). Genetic changes in TM1 also affect sensitivity to small-molecule fusion inhibitors, generating resistance in some cases and inhibitor dependence in others. Our studies suggest that interactions of SSP TM1 with the transmembrane domain of G2 may be important for GPC-mediated membrane fusion and its inhibition.

Indexed as

Protein Sorting SignalsVirus InternalizationAmino Acid SequenceAnimalsArenavirusChlorocebus aethiopsGlycoproteinsModels, MolecularMolecular Sequence DataVero CellsViral Envelope ProteinsGlycoproteinsProtein Sorting SignalsViral Envelope Proteins

Identifiers

PMID22438561
PMCPMC3372177
OpenAlexW2053732116

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.