Evidence map›Paper›PMID 8991095›Full record

ArticleThe Journal of cell biology1996

Targeting of Moloney murine leukemia virus gag precursor to the site of virus budding.

M Suomalainen, K Hultenby, H Garoff

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of cell biology, 1996. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 24 papers.

0numbers the graph read from it
0cells of the map it votes in
24citing papers in PubMed
1.7field-weighted citation impact, top 16% 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

24 citing papers in PubMed, 35 citations in OpenAlex.

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  16. RNA is a structural element in retrovirus particles.Proceedings of the National Academy of Sciences of the United States of America · 2001
    Article
  17. Article
  18. Minimal exclusion of plasma membrane proteins during retroviral envelope formation.Proceedings of the National Academy of Sciences of the United States of America · 2000
    Article
  19. Article
  20. Article
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.

M SuomalainenDepartment of Bioscience at Novum, Sweden.
K Hultenby
H Garoff
Swedish Orphan Biovitrum (Sweden) · SE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Retrovirus Moloney murine leukemia virus (M-MuLV) matures by budding at the cell surface. Central to the budding process is the myristoylated viral core protein precursor Gag which, even in the absence of all other viral components, is capable of associating with the cytoplasmic leaflet of the plasma membrane and assembling into extracellular virus-like particles. In this paper we have used heterologous, Semliki Forest virus-driven, expression of M-MuLV Gag to study the mechanism by which this protein is targeted to the cell surface. In pulse-chase experiments, BFA, monensin, and 20 degrees C block did not affect incorporation of Gag into extracellular particles thereby indicating that the secretory pathway is not involved in targeting of Gag to the cell surface. Subcellular fractionation studies demonstrated that newly synthesized Gag became rapidly and efficiently associated with membranes which had a density similar to that of plasma membrane-derived vesicles. Protease-protection studies confirmed that the Gag-containing membranes were of plasma membrane origin, since in crude cell homogenates, the bulk of newly synthesized Gag was protease-resistant as expected of a protein that binds to the cytoplasmic leaflet of the plasma membrane. Taken together these data indicate that targeting of M-MuLV Gag to the cell surface proceeds via direct insertion of the protein to the cytoplasmic side of the plasma membrane. Furthermore, since the membrane insertion reaction is highly efficient and specific, this suggests that the reaction is dependent on as-yet-unidentified cellular factors.

Indexed as

Virus ReplicationAntiviral AgentsBiological TransportBrefeldin ACell MembraneCold TemperatureCyclopentanesEndopeptidasesGene Expression Regulation, ViralGene Products, gagGenome, ViralIonophoresKineticsMicroscopy, ElectronMoloney murine leukemia virusMonensinAntiviral AgentsBrefeldin ACyclopentanesEndopeptidasesGene Products, gagIonophoresMonensinProtein PrecursorsRecombinant Proteins

Identifiers

PMID8991095
PMCPMC2133957
OpenAlexW2071971942

What OpenQuestion holds

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LicenceCC BY-NC-SA
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.