Evidence map›Paper›PMID 26682814›Full record

ArticleBiophysical journal2015

ATP Consumption of Eukaryotic Flagella Measured at a Single-Cell Level.

Daniel T N Chen, Michael Heymann, Seth Fraden, Daniela Nicastro, Zvonimir Dogic

Open access · bronzeAbstract read
In one paragraph

Article in Biophysical journal, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.

0numbers the graph read from it
0cells of the map it votes in
33citing papers in PubMed
3.1field-weighted citation impact, top 8% 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

33 citing papers in PubMed, 91 citations in OpenAlex.

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  8. Active fluctuations of axoneme oscillations scale with number of dynein motors.Proceedings of the National Academy of Sciences of the United States of America · 2024
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  13. Mitochondrial uncoupling proteins protect human airway epithelial ciliated cells from oxidative damage.Proceedings of the National Academy of Sciences of the United States of America · 2024
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  19. Eukaryotic gene regulation at equilibrium, or non?Current opinion in systems biology · 2022
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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

5 authors at 1 institution in 1 country.

Daniel T N ChenMartin Fisher School of Physics, Brandeis University, Waltham, Massachusetts.
Michael HeymannMartin Fisher School of Physics, Brandeis University, Waltham, Massachusetts; Graduate Program in Biophysics and Structural Biology, Brandeis University, Waltham, Massachusetts.
Seth FradenMartin Fisher School of Physics, Brandeis University, Waltham, Massachusetts.
Daniela NicastroDepartment of Biology, Brandeis University, Waltham, Massachusetts. Electronic address: nicastro@brandeis.edu.
Zvonimir DogicMartin Fisher School of Physics, Brandeis University, Waltham, Massachusetts. Electronic address: zdogic@brandeis.edu.
Brandeis University · US

Funding

Structure and Function of Complexes that Regulate Ciliary MotilityR01GM083122 · NIGMS · UT SOUTHWESTERN MEDICAL CENTER · PI Daniela Nicastro · 2007 to 2026
$6.2M
NIGMS NIH HHS GM083122NIGMS NIH HHS R01 GM083122
6 · The paper itself

Abstract

The motility of cilia and flagella is driven by thousands of dynein motors that hydrolyze adenosine triphosphate (ATP). Despite decades of genetic, biochemical, structural, and biophysical studies, some aspects of ciliary motility remain elusive, such as the regulation of beating patterns and the energetic efficiency of these nanomachines. In this study, we introduce an experimental method to measure ATP consumption of actively beating axonemes on a single-cell level. We encapsulated individual sea urchin sperm with demembranated flagellum inside water-in-oil emulsion droplets and measured the axoneme's ATP consumption by monitoring fluorescence intensity of a fluorophore-coupled reporter system for ATP turnover in the droplet. Concomitant phase contrast imaging allowed us to extract a linear dependence between the ATP consumption rate and the flagellar beating frequency, with ∼2.3 × 10(5) ATP molecules consumed per beat of a demembranated flagellum. Increasing the viscosity of the aqueous medium led to modified beating waveforms of the axonemes and to higher energy consumption per beat cycle. Our single-cell experimental platform provides both new insights, to our knowledge, into the beating mechanism of flagella and a powerful tool for future studies.

Indexed as

Single-Cell AnalysisAdenosine TriphosphateAnimalsAxonemeDyneinsFlagellaKineticsLytechinusMaleMovementSpermatozoaAdenosine TriphosphateDyneins

Identifiers

PMID26682814
PMCPMC4699893
OpenAlexW2132501871

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.