Evidence map›Paper›PMID 19321615›Full record

ArticleJournal of virology2009

Regulation of histone deposition on the herpes simplex virus type 1 genome during lytic infection.

Sebla B Kutluay, Steven J Triezenberg

Open access · greenAbstract 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 42 papers.

0numbers the graph read from it
0cells of the map it votes in
42citing papers in PubMed
3.7field-weighted citation impact, top 7% 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

42 citing papers in PubMed, 57 citations in OpenAlex.

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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 2 countries.

Sebla B KutluayGraduate Program in Cell and Molecular Biology, Michigan State University, East Lansing, Michigan 48824, USA.
Steven J Triezenberg
Van Andel Institute · US

Funding

Chromatin and Coactivators in HSV-1 gene regulationR01AI064634 · NIAID · VAN ANDEL RESEARCH INSTITUTE · PI TRIEZENBERG, STEVEN J. · 2007 to 2009
$1.1M
NIAID NIH HHS AI064634NIAID NIH HHS R01 AI064634
6 · The paper itself

Abstract

During lytic infection by herpes simplex virus type 1 (HSV-1), histones are present at relatively low levels on the viral genome. However, the mechanisms that account for such low levels--how histone deposition on the viral genome is blocked or how histones are removed from the genome--are not yet defined. In this study, we show that histone occupancy on the viral genome gradually increased with time when transcription of the viral immediate-early (IE) genes was inhibited either by deletion of the VP16 activation domain or by chemical inhibition of RNA polymerase II (RNAP II). Inhibition of IE protein synthesis by cycloheximide did not affect histone occupancy on most IE promoters and coding regions but did cause an increase at delayed-early and late gene promoters. IE gene transcription from HSV-1 genomes associated with high levels of histones was stimulated by superinfection with HSV-2 without altering histone occupancy or covalent histone modifications at IE gene promoters. Moreover, RNAP II and histones cooccupied the viral genome in this context, indicating that RNAP II does not preferentially associate with viral genomes that are devoid of histones. These results suggest that during lytic infection, VP16, RNAP II, and IE proteins may all contribute to the low levels of histones on the viral genome, and yet the dearth of histones is neither a prerequisite for nor a necessary result of VP16-dependent transcription of nucleosomal viral genomes.

Indexed as

Genome, ViralHeLa CellsHerpes Simplex Virus Protein Vmw65Herpesvirus 1, HumanHerpesvirus 2, HumanHistonesHumansImmediate-Early ProteinsRNA Polymerase IITranscription, GeneticHerpes Simplex Virus Protein Vmw65HistonesImmediate-Early ProteinsRNA Polymerase II

Identifiers

PMID19321615
PMCPMC2681947
OpenAlexW2112528354

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.