Evidence map›Paper›PMID 25810252›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2015

RNA virus replication depends on enrichment of phosphatidylethanolamine at replication sites in subcellular membranes.

Kai Xu, Peter D Nagy

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 79 papers.

0numbers the graph read from it
0cells of the map it votes in
79citing papers in PubMed
21.2field-weighted citation impact, top 1% 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

79 citing papers in PubMed, 123 citations in OpenAlex.

  1. Article
  2. Article
  3. Fatty acid regulation and phosphatidylethanolamine biosynthesis are important for hepatitis E virus replication.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  4. Article
  5. Article
  6. Article
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  8. Novel endornaviruses infectingThe Journal of general virology · 2025
    Article
  9. Article
  10. Article
  11. HCV NS3/4A protease relocalizes CCTα to viral replication sites, enhancing phosphatidylcholine synthesis and viral replication.Proceedings of the National Academy of Sciences of the United States of America · 2025
    Article
  12. Article
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  14. Article
  15. Article
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  17. Review
  18. Review
  19. Article
  20. Review

19 more citing papers are in PubMed but not listed here.

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 1 country.

Kai XuDepartment of Plant Pathology, University of Kentucky, Lexington, KY 40546.
Peter D NagyDepartment of Plant Pathology, University of Kentucky, Lexington, KY 40546 pdnagy2@uky.edu.
University of Kentucky · US

Funding

Mentoring CoreP20GM103418 · NIGMS · UNIVERSITY OF KANSAS MEDICAL CENTER · PI Douglas E Wright · 2012 to 2026
$63.0M
NIGMS NIH HHS P20 GM103418NIGMS NIH HHS P20GM103418
6 · The paper itself

Abstract

Intracellular membranes are critical for replication of positive-strand RNA viruses. To dissect the roles of various lipids, we have developed an artificial phosphatidylethanolamine (PE) vesicle-based Tomato bushy stunt virus (TBSV) replication assay. We demonstrate that the in vitro assembled viral replicase complexes (VRCs) in artificial PE vesicles can support a complete cycle of replication and asymmetrical RNA synthesis, which is a hallmark of (+)-strand RNA viruses. Vesicles containing ∼85% PE and ∼15% additional phospholipids are the most efficient, suggesting that TBSV replicates within membrane microdomains enriched for PE. Accordingly, lipidomics analyses show increased PE levels in yeast surrogate host and plant leaves replicating TBSV. In addition, efficient redistribution of PE leads to enrichment of PE at viral replication sites. Expression of the tombusvirus p33 replication protein in the absence of other viral compounds is sufficient to promote intracellular redistribution of PE. Increased PE level due to deletion of PE methyltransferase in yeast enhances replication of TBSV and other viruses, suggesting that abundant PE in subcellular membranes has a proviral function. In summary, various (+)RNA viruses might subvert PE to build membrane-bound VRCs for robust replication in PE-enriched membrane microdomains.

Indexed as

Virus ReplicationCell MembraneDNA ReplicationFungiGene DeletionInsect VirusesMicroscopy, ConfocalNicotianaPhosphatidylethanolaminesPhospholipidsRNA, ViralRNA VirusesTombusvirusViral ProteinsphosphatidylethanolaminePhosphatidylethanolaminesPhospholipidsRNA, ViralViral Proteinshost factorphospholipidplant virusviral replicase complexvirus–host interaction

Identifiers

PMID25810252
PMCPMC4394249
OpenAlexW2064627646

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.