Evidence map›Paper›PMID 18945788›Full record

ArticleJournal of virology2009

Role of the UL25 protein in herpes simplex virus DNA encapsidation.

Shelley K Cockrell, Minerva E Sanchez, Angela Erazo, Fred L Homa

Abstract read
In one paragraph

Article in Journal of virology, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed
4.2field-weighted citation impact, top 6% 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

43 citing papers in PubMed, 75 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Review
  5. Article
  6. Article
  7. Article
  8. Article
  9. A Domain of Herpes Simplex Virus pUJournal of virology · 2017
    Article
  10. Article
  11. Article
  12. Article
  13. Herpesvirus Capsid Assembly and DNA Packaging.Advances in anatomy, embryology, and cell biology · 2017
    Review
  14. Article
  15. Article
  16. Article
  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

4 authors at 1 institution in 1 country.

Shelley K CockrellDepartment of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, W1256 Biomedical Science Tower, Pittsburgh, PA 15261, USA. flhoma@pitt.edu
Minerva E Sanchez
Angela Erazo
Fred L Homa
University of Pittsburgh · US

Funding

Herpes Simplex Virus Capsid Assembly and DNA PackagingR01AI060836 · NIAID · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI HOMA, FREDERICK L · 2006 to 2010
$1.6M
Herpes Simples Virus Capsid Assembly and DNA PackagingR56AI060836 · NIAID · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI HOMA, FREDERICK L · 2011 to 2011
$379k
NIAID NIH HHS AI060836NIAID NIH HHS R01 AI060836NIAID NIH HHS R56 AI060836
6 · The paper itself

Abstract

The herpes simplex virus protein UL25 attaches to the external vertices of herpes simplex virus type 1 capsids and is required for the stable packaging of viral DNA. To define regions of the protein important for viral replication and capsid attachment, the 580-amino-acid UL25 open reading frame was disrupted by transposon mutagenesis. The UL25 mutants were assayed for complementation of a UL25 deletion virus, and in vitro-synthesized protein was tested for binding to UL25-deficient capsids. Of the 11 mutants analyzed, 4 did not complement growth of the UL25 deletion mutant, and analysis of these and additional mutants in the capsid-binding assay demonstrated that UL25 amino acids 1 to 50 were sufficient for capsid binding. Several UL25 mutations were transferred into recombinant viruses to analyze the effect of the mutations on UL25 capsid binding and on DNA cleavage and packaging. Studies of these mutants demonstrated that amino acids 1 to 50 of UL25 are essential for its stable interaction with capsids and that the C terminus is essential for DNA packaging and the production of infectious virus through its interactions with other viral packaging or tegument proteins. Analysis of viral DNA cleavage demonstrated that in the absence of a functional UL25 protein, aberrant cleavage takes place at the unique short end of the viral genome, resulting in truncated viral genomes that are not retained in capsids. Based on these observations, we propose a model where UL25 is required for the formation of DNA-containing capsids by acting to stabilize capsids that contain full-length viral genomes.

Indexed as

Virus AssemblyAnimalsBinding SitesChlorocebus aethiopsDNA Transposable ElementsDNA, ViralGene DeletionGenetic Complementation TestHerpesvirus 1, HumanMutagenesis, InsertionalMutant ProteinsProtein Interaction MappingVero CellsViral ProteinsDNA cleavage and packaging proteins, HerpesvirusDNA Transposable ElementsDNA, ViralMutant ProteinsViral Proteins

Identifiers

PMID18945788
PMCPMC2612300
OpenAlexW2096007448

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.