Evidence map›Paper›PMID 21729699›Full record

ArticleInternational journal for parasitology2011

Vital functions of the malarial ookinete protein, CTRP, reside in the A domains.

Chandra Ramakrishnan, Johannes T Dessens, Rebecca Armson, Sofia B Pinto, Arthur M Talman, Andrew M Blagborough, Robert E Sinden

Abstract read
In one paragraph

Article in International journal for parasitology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
–field-weighted citation impact
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

18 citing papers in PubMed.

  1. Trial
  2. Review
  3. Article
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  5. Review
  6. Article
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  9. A Hetero-Multimeric Chitinase-ContainingFrontiers in cellular and infection microbiology · 2020
    Article
  10. Immune Responses to the Sexual Stages ofFrontiers in immunology · 2019
    Review
  11. Article
  12. Article
  13. Review
  14. Review
  15. Article
  16. Article
  17. Article
  18. 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

7 authors.

Chandra RamakrishnanDivision of Cell and Molecular Biology, Sir Alexander Fleming Building, Imperial College London, South Kensington Campus, London SW72AZ, UK. c.ramakrishnan03@imperial.ac.uk
Johannes T Dessens
Rebecca Armson
Sofia B Pinto
Arthur M Talman
Andrew M Blagborough
Robert E Sinden

Funding

Wellcome Trust 086640
6 · The paper itself

Abstract

The transformation of malaria ookinetes into oocysts occurs in the mosquito midgut and is a major bottleneck for parasite transmission. The secreted ookinete surface protein, circumsporozoite- and thrombospondin-related adhesive protein (TRAP)-related protein (CTRP), is essential for this transition and hence constitutes a potential target for malaria transmission blockade. CTRP is a modular multidomain protein containing six tandem von Willebrand factor A-like (A) domains and seven tandem thrombospondin type I repeat-like (TS) domains. Here we present, to our knowledge, the first structure-function analysis of CTRP using genetically modified Plasmodium berghei parasites expressing mutant versions of the ctrp gene. Our data show that the A domains of CTRP are critical for ookinete gliding motility and oocyst formation whilst, unexpectedly, its TS domains are fully redundant. These results may have important implications for the design of CTRP-based transmission blocking strategies.

Indexed as

AnimalsDNA Mutational AnalysisLocomotionMicePlasmodium bergheiProtein Structure, TertiaryProtozoan ProteinsReceptors, Cell SurfaceVirulence FactorsPbCTRP protein, PlasmodiumProtozoan ProteinsReceptors, Cell SurfaceVirulence Factors

Identifiers

PMID21729699
PMCPMC4068204

What OpenQuestion holds

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Registered trials

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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.