Evidence map›Paper›PMID 24089557›Full record

ArticleJournal of virology2013

Evasion of superinfection exclusion and elimination of primary viral RNA by an adapted strain of hepatitis C virus.

Brian Webster, Melanie Ott, Warner C Greene

Open access · bronzeAbstract read
In one paragraph

Article in Journal of virology, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
2.8field-weighted citation impact, top 9% 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

25 citing papers in PubMed, 48 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Mimicking superinfection exclusion disrupts alphavirus infection and transmission in the yellow fever mosquitoProceedings of the National Academy of Sciences of the United States of America · 2023
    Article
  5. Article
  6. Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Superinfection and cure of infected cells as mechanisms for hepatitis C virus adaptation and persistence.Proceedings of the National Academy of Sciences of the United States of America · 2018
    Article
  12. Article
  13. Review
  14. Lipid Droplet Isolation for Quantitative Mass Spectrometry Analysis.Journal of visualized experiments : JoVE · 2017
    Article
  15. Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. Modelling hepatitis C therapy--predicting effects of treatment.Nature reviews. Gastroenterology & hepatology · 2015
    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 2 institutions in 1 country.

Brian WebsterGladstone Institute of Virology and Immunology.
Melanie Ott
Warner C Greene
Gladstone Institutes · USUniversity of California, San Francisco · US

Funding

Virology CoreP30AI027763 · NIAID · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI STEVEN Grant DEEKS · 1988 to 2026
$93.6M
Microbial Pathogenesis and Host DefenseT32AI060537 · NIAID · UNIVERSITY OF CALIFORNIA, SAN FRANCISCO · PI Joanne N. Engel · 2004 to 2026
$6.5M
Mechanisms and Functions of Core-induced Lipid Droplet Accumulation in HepatitisR56AI085056 · NIAID · J. DAVID GLADSTONE INSTITUTES · PI OTT, MELANIE MARIA · 2010 to 2010
$483k
NIAID NIH HHS P30 AI027763NIAID NIH HHS R56 AI085056NIAID NIH HHS T32 AI060537PHS HHS T32 A1060537-05
6 · The paper itself

Abstract

Cells that are productively infected by hepatitis C virus (HCV) are refractory to a second infection by HCV via a block in viral replication known as superinfection exclusion. The block occurs at a postentry step and likely involves translation or replication of the secondary viral RNA, but the mechanism is largely unknown. To characterize HCV superinfection exclusion, we selected for an HCV variant that could overcome the block. We produced a high-titer HC-J6/JFH1 (Jc1) viral genome with a fluorescent reporter inserted between NS5A and NS5B and used it to infect Huh7.5 cells containing a Jc1 replicon. With multiple passages of these infected cells, we isolated an HCV variant that can superinfect cells at high levels. Notably, the superinfectious virus rapidly cleared the primary replicon from superinfected cells. Viral competition experiments, using a novel strategy of sequence-barcoding viral strains, as well as superinfection of replicon cells demonstrated that mutations in E1, p7, NS5A, and the poly(U/UC) tract of the 3' untranslated region were important for superinfection. Furthermore, these mutations dramatically increased the infectivity of the virus in naive cells. Interestingly, viruses with a shorter poly(U/UC) and an NS5A domain II mutation were most effective in overcoming the postentry block. Neither of these changes affected viral RNA translation, indicating that the major barrier to postentry exclusion occurs at viral RNA replication. The evolution of the ability to superinfect after less than a month in culture and the concomitant exclusion of the primary replicon suggest that superinfection exclusion dramatically affects viral fitness and dynamics in vivo.

Indexed as

Virus ReplicationCell LineHepacivirusHepatitis CHumansMutationRNA, ViralSuperinfectionViral Nonstructural ProteinsRNA, ViralViral Nonstructural Proteins

Identifiers

PMID24089557
PMCPMC3838274
OpenAlexW2137223572

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.