Evidence map›Paper›PMID 32211893›Full record

ArticleThe Journal of cell biology2020

Probing the subcellular distribution of phosphatidylinositol reveals a surprising lack at the plasma membrane.

James P Zewe, April M Miller, Sahana Sangappa, Rachel C Wills, Brady D Goulden, Gerald R V Hammond

Open access · hybridAbstract readComparative Study
In one paragraph

Article in The Journal of cell biology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 69 papers.

0numbers the graph read from it
0cells of the map it votes in
69citing papers in PubMed
7.4field-weighted citation impact, top 2% 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

69 citing papers in PubMed, 103 citations in OpenAlex.

  1. Article
  2. Review
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  7. Subcellular Cartography of the Phosphoinositide Multiverse.Biochimica et biophysica acta. Molecular and cell biology of lipids · 2026
    Review
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  17. Exploring lipid-protein interactions in plant membranes.Journal of experimental botany · 2024
    Review
  18. Article
  19. Article
  20. Article

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

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 1 institution in 1 country.

James P ZeweDepartment of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA.
April M MillerDepartment of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA.
Sahana SangappaDepartment of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA.
Rachel C WillsDepartment of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA.
Brady D GouldenDepartment of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA.
Gerald R V HammondDepartment of Cell Biology, University of Pittsburgh School of Medicine, Pittsburgh, PA.
University of Pittsburgh · US

Funding

Directing Membrane Function with Inositol Lipids in Health and DiseaseR35GM119412 · NIGMS · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI Gerald R Hammond · 2016 to 2026
$4.3M
NIGMS NIH HHS R35 GM119412
6 · The paper itself

Abstract

The polyphosphoinositides (PPIn) are central regulatory lipids that direct membrane function in eukaryotic cells. Understanding how their synthesis is regulated is crucial to revealing these lipids' role in health and disease. PPIn are derived from the major structural lipid, phosphatidylinositol (PI). However, although the distribution of most PPIn has been characterized, the subcellular localization of PI available for PPIn synthesis is not known. Here, we used several orthogonal approaches to map the subcellular distribution of PI, including localizing exogenous fluorescent PI, as well as detecting lipid conversion products of endogenous PI after acute chemogenetic activation of PI-specific phospholipase and 4-kinase. We report that PI is broadly distributed throughout intracellular membrane compartments. However, there is a surprising lack of PI in the plasma membrane compared with the PPIn. These experiments implicate regulation of PI supply to the plasma membrane, as opposed to regulation of PPIn-kinases, as crucial to the control of PPIn synthesis and function at the PM.

Indexed as

AnimalsCell MembraneChlorocebus aethiopsCOS CellsDiglyceridesIntracellular MembranesKineticsLuminescent ProteinsMicroscopy, ConfocalMinor Histocompatibility AntigensPhosphatidylinositol 4,5-DiphosphatePhosphatidylinositol PhosphatesPhosphatidylinositolsPhosphotransferases (Alcohol Group Acceptor)Type C PhospholipasesDiglyceridesLuminescent ProteinsMinor Histocompatibility AntigensPhosphatidylinositol 4,5-Diphosphatephosphatidylinositol 4-phosphatephosphatidylinositol phosphate 4-kinasePhosphatidylinositol PhosphatesPhosphatidylinositolsPhosphotransferases (Alcohol Group Acceptor)Type C Phospholipases

Identifiers

PMID32211893
PMCPMC7054989
OpenAlexW3008119099

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.