Evidence map›Paper›PMID 33492731›Full record

ArticleEMBO reports2021

Modulation of phagosome phosphoinositide dynamics by a Legionella phosphoinositide 3-kinase.

Gen Li, Hongtao Liu, Zhao-Qing Luo, Jiazhang Qiu

Open access · greenAbstract read
In one paragraph

Article in EMBO reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
5.1field-weighted citation impact, top 4% 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

21 citing papers in PubMed, 26 citations in OpenAlex.

  1. mLife · 2026
    Article
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Article
  8. KINtaro: protein kinase-like database.BMC research notes · 2024
    Article
  9. Insights into the role of legionella effectors on host metabolic perturbations.Frontiers in cellular and infection microbiology · 2024
    Review
  10. Article
  11. Article
  12. Review
  13. Article
  14. mLife · 2022
    Article
  15. Glycosylating Effectors ofBiomolecules · 2022
    Review
  16. eLife · 2022
    Article
  17. Proceedings of the National Academy of Sciences of the United States of America · 2022
    Article
  18. ThemBio · 2021
    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

4 authors at 2 institutions in 2 countries.

Gen LiKey Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China.
Hongtao LiuKey Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China.
Zhao-Qing LuoPurdue Institute for Inflammation, Immunology and Infectious Disease and Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.ORCID 0000-0001-8890-6621
Jiazhang QiuKey Laboratory of Zoonosis, Ministry of Education, College of Veterinary Medicine, Jilin University, Changchun, China.ORCID 0000-0002-7723-5073
Jilin University · CNPurdue University West Lafayette · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The phagosome harboring the bacterial pathogen Legionella pneumophila is known to be enriched with phosphatidylinositol 4-phosphate (PtdIns4P), which is important for anchoring a subset of its virulence factors and potentially for signaling events implicated in the biogenesis of the Legionella-containing vacuole (LCV) that supports intracellular bacterial growth. Here we demonstrate that the effector MavQ is a phosphoinositide 3-kinase that specifically catalyzes the conversion of phosphatidylinositol (PtdIns) into PtdIns3P. The product of MavQ is subsequently phosphorylated by the effector LepB to yield PtdIns(3,4)P2, whose 3-phosphate is then removed by another effector SidF to generate PtdIns4P. We also show that MavQ is associated with the LCV and the ∆mavQ mutant displays phenotypes in the anchoring of a PtdIns4P-binding effector similar to those of ∆lepB or ∆sidF mutants. Our results establish a mechanism of de novo PtdIns4P biosynthesis by L. pneumophila via a catalysis axis comprised of MavQ, LepB, and SidF on the surface of its phagosome.

Indexed as

Bacterial ProteinsLegionella pneumophilaPhosphatidylinositol 3-KinasesPhosphatidylinositolsPhagosomesBacterial ProteinsPhosphatidylinositol 3-KinasesPhosphatidylinositolseffector proteinkinaseLegionellaphosphatidylinositol 4-phosphatetype IV secretion

Identifiers

PMID33492731
PMCPMC7926237
OpenAlexW3122218056

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.