Evidence map›Paper›PMID 24194551›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2013

High-speed holographic microscopy of malaria parasites reveals ambidextrous flagellar waveforms.

Laurence G Wilson, Lucy M Carter, Sarah E Reece

Open access · bronzeAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.

0numbers the graph read from it
0cells of the map it votes in
41citing papers in PubMed
5.9field-weighted citation impact, top 3% 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

41 citing papers in PubMed, 78 citations in OpenAlex.

  1. Article
  2. Review
  3. Bacteria Optimize Tumble Bias to Strategically Navigate Surface Constraints.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2025
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  12. Modelling Motility: The Mathematics of Spermatozoa.Frontiers in cell and developmental biology · 2021
    Review
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Motility Analysis of Trypanosomatids.Methods in molecular biology (Clifton, N.J.) · 2020
    Article
  19. Review
  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 1 institution in 1 country.

Laurence G WilsonThe Rowland Institute at Harvard, Cambridge, MA 02142.
Lucy M Carter
Sarah E Reece
University of Edinburgh · GB

Funding

Wellcome TrustWellcome Trust 082234MA
6 · The paper itself

Abstract

Axonemes form the core of eukaryotic flagella and cilia, performing tasks ranging from transporting fluid in developing embryos to the propulsion of sperm. Despite their abundance across the eukaryotic domain, the mechanisms that regulate the beating action of axonemes remain unknown. The flagellar waveforms are 3D in general, but current understanding of how axoneme components interact stems from 2D data; comprehensive measurements of flagellar shape are beyond conventional microscopy. Moreover, current flagellar model systems (e.g., sea urchin, human sperm) contain accessory structures that impose mechanical constraints on movement, obscuring the "native" axoneme behavior. We address both problems by developing a high-speed holographic imaging scheme and applying it to the (male) microgametes of malaria (Plasmodium) parasites. These isolated flagella are a unique, mathematically tractable model system for the physics of microswimmers. We reveal the 3D flagellar waveforms of these microorganisms and map the differential shear between microtubules in their axonemes. Furthermore, we overturn claims that chirality in the structure of the axoneme governs the beat pattern [Hirokawa N, et al. (2009) Ann Rev Fluid Mech 41:53-72], because microgametes display a left- or right-handed character on alternate beats. This breaks the link between structural chirality in the axoneme and larger scale symmetry breaking (e.g., in developing embryos), leading us to conclude that accessory structures play a critical role in shaping the flagellar beat.

Indexed as

Models, BiologicalAnimalsAxonemeBiomechanical PhenomenaFlagellaGerm CellsHolographyMaleMicroscopyPlasmodium bergheiciliary and flagellar motiondigital holographic microscopylow Reynolds numbermalaria transmission

Identifiers

PMID24194551
PMCPMC3839686
OpenAlexW2059074465

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.