Evidence map›Paper›PMID 21799871›Full record

ArticlePloS one2011

Identification of Toxoplasma gondii cAMP dependent protein kinase and its role in the tachyzoite growth.

Hitomi Kurokawa, Kentaro Kato, Tatsuya Iwanaga, Tatsuki Sugi, Atsushi Sudo, Kyousuke Kobayashi, Haiyan Gong, Hitoshi Takemae, Frances C Recuenco, Taisuke Horimoto and 1 more

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2011. 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
2.0field-weighted citation impact, top 17% 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, 45 citations in OpenAlex.

  1. Article
  2. FromiScience · 2024
    Article
  3. Article
  4. Review
  5. mSphere · 2022
    Article
  6. Article
  7. Uncovering the Cyclic AMP Signaling Pathway of the Protozoan ParasiteFrontiers in cellular and infection microbiology · 2020
    Article
  8. Review
  9. Article
  10. Article
  11. PKA and Apicomplexan Parasite Diseases.Hormone and metabolic research = Hormon- und Stoffwechselforschung = Hormones et metabolisme · 2017
    Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Identification of mutations in TgMAPK1 of Toxoplasma gondii conferring resistance to 1NM-PP1.International journal for parasitology. Drugs and drug resistance · 2013
    Article
  17. Article
  18. Review
  19. Anti-Iranian journal of parasitology
    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

11 authors at 3 institutions in 1 country.

Hitomi KurokawaDepartment of Veterinary Microbiology, Faculty of Agriculture, The University of Tokyo, Bunkyo-ku, Tokyo, Japan.
Kentaro Kato
Tatsuya Iwanaga
Tatsuki Sugi
Atsushi Sudo
Kyousuke Kobayashi
Haiyan Gong
Hitoshi Takemae
Frances C Recuenco
Taisuke Horimoto
Hiroomi Akashi
Tokyo University of Agriculture · JPThe University of Tokyo · JPKobe University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundcAMP-dependent protein kinase (PKA) has been implicated in the asexual stage of the Toxoplasma gondii life cycle through assaying the effect of a PKA-specific inhibitor on its growth rate. Since inhibition of the host cell PKA cannot be ruled out, a more precise evaluation of the role of PKA, as well as characterization of the kinase itself, is necessary. METHODOLOGY/PRINCIPAL FINDING: The inhibitory effects of two PKA inhibitors, H89, an ATP-competitive chemical inhibitor, and PKI, a substrate-competitive mammalian natural peptide inhibitor, were estimated. In the in vitro kinase assay, the inhibitory effect of PKI on a recombinant T. gondii PKA catalytic subunit (TgPKA-C) was weaker compared to that on mammalian PKA-C. In a tachyzoite growth assay, PKI had little effect on the growth of tachyzoites, whereas H89 strongly inhibited it. Moreover, T. gondii PKA regulatory subunit (TgPKA-R)-overexpressing tachyzoites showed a significant growth defect. CONCLUSIONS/SIGNIFICANCE: Our data suggest that PKA plays an important role in the growth of tachyzoites, and the inhibitory effect of substrate-competitive inhibitor PKI on T. gondii PKA was low compared to that of the ATP competitive inhibitor H89.

Indexed as

Adenosine TriphosphateAmino Acid SequenceBinding, CompetitiveCatalytic DomainCyclic AMP-Dependent Protein KinasesGene Expression Regulation, EnzymologicIsoquinolinesMolecular Sequence DataPeptidesProtein Kinase InhibitorsSulfonamidesToxoplasmaAdenosine TriphosphateCyclic AMP-Dependent Protein KinasesIsoquinolinesN-(2-(4-bromocinnamylamino)ethyl)-5-isoquinolinesulfonamidePeptidesprotein kinase inhibitor peptideProtein Kinase InhibitorsSulfonamides

Identifiers

PMID21799871
PMCPMC3140512
OpenAlexW2016448139

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.