Evidence map›Paper›PMID 16459299›Full record

ArticleDevelopmental cell2006

Stabilization of cell polarity by the C. elegans RING protein PAR-2.

Yingsong Hao, Lynn Boyd, Geraldine Seydoux

Open access · bronzeAbstract read
In one paragraph

Article in Developmental cell, 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 86 papers.

0numbers the graph read from it
0cells of the map it votes in
86citing papers in PubMed
2.3field-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

86 citing papers in PubMed, 146 citations in OpenAlex.

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  9. Origin and development of primary animal epithelia.BioEssays : news and reviews in molecular, cellular and developmental biology · 2024
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  10. Temporally distinct roles of Aurora A in polarization of thebioRxiv : the preprint server for biology · 2023
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  18. Going with the flow: insights fromPhilosophical transactions of the Royal Society of London. Series B, Biological sciences · 2020
    Review
  19. Article
  20. Distinct activities of Scrib module proteins organize epithelial polarity.Proceedings of the National Academy of Sciences of the United States of America · 2020
    Article

26 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

3 authors at 3 institutions in 1 country.

Yingsong HaoDepartment of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
Lynn Boyd
Geraldine Seydoux
Howard Hughes Medical Institute · USJohns Hopkins University · USUniversity of Alabama in Huntsville · US

Funding

Control of cell polarity in the C. elegans zygoteR01GM064537 · NIGMS · JOHNS HOPKINS UNIVERSITY · PI SEYDOUX, GERALDINE · 2002 to 2005
$1.2M
NIGMS NIH HHS R01 GM064537PHS HHS R01M400-150-2298
6 · The paper itself

Abstract

Asymmetric localization of PAR proteins is a hallmark of polarized cells, but the mechanisms that create PAR asymmetry are not well understood. In the C. elegans zygote, PAR asymmetry is initiated by a transient actomyosin contraction, which sweeps the PAR-3/PAR-6/PKC-3 complex toward the anterior pole of the egg. The RING finger protein PAR-2 accumulates in a complementary pattern in the posterior cortex. Here we present evidence that PAR-2 participates in a feedback loop to stabilize polarity. PAR-2 is a target of the PKC-3 kinase and is excluded from the anterior cortex by PKC-3-dependent phosphorylation. The RING domain of PAR-2 is required to overcome inhibition by PKC-3 and stabilize PAR-2 on the posterior cortex. Cortical PAR-2 in turn prevents PAR-3/PAR-6/PKC-3 from returning to the posterior, in a PAR-1- and PAR-5-dependent manner. Our findings suggest that reciprocal inhibitory interactions among PAR proteins stabilize polarity by reinforcing an initial asymmetry in PKC-3.

Indexed as

Amino Acid SequenceAnimalsBinding SitesCaenorhabditis elegansCaenorhabditis elegans ProteinsCell PolarityDown-RegulationFeedbackFemaleGenes, HelminthMaleMolecular Sequence DataPhosphorylationProtein Kinase CProtein Structure, TertiarySequence Homology, Amino AcidCaenorhabditis elegans Proteinspar-2 protein, C elegansPKC-3 proteinProtein Kinase C

Identifiers

PMID16459299
PMCPMC1712613
OpenAlexW2036324161

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.