Evidence map›Paper›PMID 27810917›Full record

ArticleThe Journal of cell biology2016

Subdiffractional tracking of internalized molecules reveals heterogeneous motion states of synaptic vesicles.

Merja Joensuu, Pranesh Padmanabhan, Nela Durisic, Adekunle T D Bademosi, Elizabeth Cooper-Williams, Isabel C Morrow, Callista B Harper, WooRam Jung, Robert G Parton, Geoffrey J Goodhill and 2 more

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of cell biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 40 papers.

0numbers the graph read from it
0cells of the map it votes in
40citing papers in PubMed
3.3field-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

40 citing papers in PubMed, 77 citations in OpenAlex.

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  18. Event-triggered STED imaging.Nature methods · 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

12 authors at 1 institution in 1 country.

Merja JoensuuClem Jones Centre for Ageing Dementia Research, The University of Queensland, Brisbane, Queensland 4072, Australia.ORCID http://orcid.org/0000-0002-4533-0455
Pranesh PadmanabhanQueensland Brain Institute, The University of Queensland, Brisbane, Queensland 4072, Australia.ORCID http://orcid.org/0000-0001-5569-8731
Nela DurisicQueensland Brain Institute, The University of Queensland, Brisbane, Queensland 4072, Australia.ORCID http://orcid.org/0000-0002-7668-1039
Adekunle T D BademosiClem Jones Centre for Ageing Dementia Research, The University of Queensland, Brisbane, Queensland 4072, Australia.ORCID http://orcid.org/0000-0001-5157-8572
Elizabeth Cooper-WilliamsQueensland Brain Institute, The University of Queensland, Brisbane, Queensland 4072, Australia.ORCID http://orcid.org/0000-0002-4219-9447
Isabel C MorrowClem Jones Centre for Ageing Dementia Research, The University of Queensland, Brisbane, Queensland 4072, Australia.
Callista B HarperClem Jones Centre for Ageing Dementia Research, The University of Queensland, Brisbane, Queensland 4072, Australia.
WooRam JungInstitute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia.ORCID http://orcid.org/0000-0001-5748-5473
Robert G PartonInstitute for Molecular Bioscience, The University of Queensland, Brisbane, Queensland 4072, Australia.ORCID http://orcid.org/0000-0002-7494-5248
Geoffrey J GoodhillQueensland Brain Institute, The University of Queensland, Brisbane, Queensland 4072, Australia.ORCID http://orcid.org/0000-0001-9789-9355
Andreas PapadopulosClem Jones Centre for Ageing Dementia Research, The University of Queensland, Brisbane, Queensland 4072, Australia f.meunier@uq.edu.au a.papadopulos@outlook.com.ORCID http://orcid.org/0000-0002-3376-1979
Frédéric A MeunierClem Jones Centre for Ageing Dementia Research, The University of Queensland, Brisbane, Queensland 4072, Australia f.meunier@uq.edu.au a.papadopulos@outlook.com.ORCID http://orcid.org/0000-0001-6400-1107
The University of Queensland · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Our understanding of endocytic pathway dynamics is severely restricted by the diffraction limit of light microscopy. To address this, we implemented a novel technique based on the subdiffractional tracking of internalized molecules (sdTIM). This allowed us to image anti-green fluorescent protein Atto647N-tagged nanobodies trapped in synaptic vesicles (SVs) from live hippocampal nerve terminals expressing vesicle-associated membrane protein 2 (VAMP2)-pHluorin with 36-nm localization precision. Our results showed that, once internalized, VAMP2-pHluorin/Atto647N-tagged nanobodies exhibited a markedly lower mobility than on the plasma membrane, an effect that was reversed upon restimulation in presynapses but not in neighboring axons. Using Bayesian model selection applied to hidden Markov modeling, we found that SVs oscillated between diffusive states or a combination of diffusive and transport states with opposite directionality. Importantly, SVs exhibiting diffusive motion were relatively less likely to switch to the transport motion. These results highlight the potential of the sdTIM technique to provide new insights into the dynamics of endocytic pathways in a wide variety of cellular settings.

Indexed as

EndocytosisMotionOptical PhenomenaAnimalsAxonsBayes TheoremCell MembraneGreen Fluorescent ProteinsHippocampusImaging, Three-DimensionalMarkov ChainsNeuronsRats, Sprague-DawleySingle-Domain AntibodiesStochastic ProcessesSynapsesGreen Fluorescent ProteinsPHluorinSingle-Domain AntibodiesVesicle-Associated Membrane Protein 2

Identifiers

PMID27810917
PMCPMC5080683
OpenAlexW2538181594

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.