Evidence map›Paper›PMID 24728583›Full record

ReviewCellular and molecular life sciences : CMLS2014

Regulating the large Sec7 ARF guanine nucleotide exchange factors: the when, where and how of activation.

John Wright, Richard A Kahn, Elizabeth Sztul

Open access · greenAbstract readReview
In one paragraph

Review in Cellular and molecular life sciences : CMLS, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 44 papers.

0numbers the graph read from it
0cells of the map it votes in
44citing papers in PubMed
2.4field-weighted citation impact, top 12% 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

44 citing papers in PubMed, 66 citations in OpenAlex.

  1. Article
  2. Article
  3. Characterization of the smallbioRxiv : the preprint server for biology · 2024
    Article
  4. Article
  5. Article
  6. Article
  7. Dynamics of RNA mGenomics · 2023
    Article
  8. Article
  9. Article
  10. Subversion of host cell signaling: The arsenal of Rickettsial species.Frontiers in cellular and infection microbiology · 2022
    Review
  11. Expanding the Phenotypic and Genotypic Spectrum ofFrontiers in molecular neuroscience · 2022
    Article
  12. Haploinsufficiency of ARFGEF1 is associated with developmental delay, intellectual disability, and epilepsy with variable expressivity.Genetics in medicine : official journal of the American College of Medical Genetics · 2021
    Article
  13. Article
  14. The p24 Complex Contributes to Specify Arf1 for COPI Coat Selection.International journal of molecular sciences · 2021
    Article
  15. Sec71 separates Golgi stacks inJournal of cell science · 2020
    Article
  16. ARF family GTPases with links to cilia.American journal of physiology. Cell physiology · 2020
    Review
  17. Article
  18. Review
  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

3 authors at 2 institutions in 1 country.

John WrightDepartment of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, 1918 University Boulevard, MCLM 668, Birmingham, AL, 35233-2008, USA, jwwright@uab.edu.
Richard A Kahn
Elizabeth Sztul
University of Alabama at Birmingham · USEmory University · US

Funding

Training Program in Cell, Molecular, and Developmental BiologyT32GM008111 · NIGMS · UNIVERSITY OF ALABAMA AT BIRMINGHAM · PI YODER, BRADLEY K. · 1985 to 2022
$5.4M
The Regulation and Cellular Activities of the ARL2 GTPaseR01GM090158 · NIGMS · EMORY UNIVERSITY · PI KAHN, RICHARD A · 2010 to 2017
$2.5M
NIGMS NIH HHS R01 GM090158NIGMS NIH HHS T32 GM008111
6 · The paper itself

Abstract

Eukaryotic cells require selective sorting and transport of cargo between intracellular compartments. This is accomplished at least in part by vesicles that bud from a donor compartment, sequestering a subset of resident protein "cargos" destined for transport to an acceptor compartment. A key step in vesicle formation and targeting is the recruitment of specific proteins that form a coat on the outside of the vesicle in a process requiring the activation of regulatory GTPases of the ARF family. Like all such GTPases, ARFs cycle between inactive, GDP-bound, and membrane-associated active, GTP-bound, conformations. And like most regulatory GTPases the activating step is slow and thought to be rate limiting in cells, requiring the use of ARF guanine nucleotide exchange factor (GEFs). ARF GEFs are characterized by the presence of a conserved, catalytic Sec7 domain, though they also contain motifs or additional domains that confer specificity to localization and regulation of activity. These domains have been used to define and classify five different sub-families of ARF GEFs. One of these, the BIG/GBF1 family, includes three proteins that are each key regulators of the secretory pathway. GEF activity initiates the coating of nascent vesicles via the localized generation of activated ARFs and thus these GEFs are the upstream regulators that define the site and timing of vesicle production. Paradoxically, while we have detailed molecular knowledge of how GEFs activate ARFs, we know very little about how GEFs are recruited and/or activated at the right time and place to initiate transport. This review summarizes the current knowledge of GEF regulation and explores the still uncertain mechanisms that position GEFs at "budding ready" membrane sites to generate highly localized activated ARFs.

Indexed as

ADP-Ribosylation FactorsBiological TransportClathrin-Coated VesiclesCoat Protein Complex IGuanine Nucleotide Exchange FactorsLipid MetabolismSignal TransductionADP-Ribosylation FactorsCoat Protein Complex IGuanine Nucleotide Exchange FactorsSec7 guanine nucleotide exchange factors

Identifiers

PMID24728583
PMCPMC4861048
OpenAlexW2069980734

What Socratic holds

Textmetadata
LicenceTDM
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 Socratic graph.