Evidence map›Paper›PMID 32636396›Full record

ArticleNature communications2020

Molecular resolution imaging by post-labeling expansion single-molecule localization microscopy (Ex-SMLM).

Fabian U Zwettler, Sebastian Reinhard, Davide Gambarotto, Toby D M Bell, Virginie Hamel, Paul Guichard, Markus Sauer

Open access · goldAbstract read
In one paragraph

Article in Nature communications, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 105 papers.

0numbers the graph read from it
0cells of the map it votes in
105citing papers in PubMed
25.5field-weighted citation impact, top 1% 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

105 citing papers in PubMed, 175 citations in OpenAlex.

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45 more citing papers are in PubMed but not listed here.

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 at 3 institutions in 3 countries.

Fabian U ZwettlerDepartment of Biotechnology and Biophysics, Biocenter, University of Würzburg, Am Hubland, 97074, Würzburg, Germany.
Sebastian ReinhardDepartment of Biotechnology and Biophysics, Biocenter, University of Würzburg, Am Hubland, 97074, Würzburg, Germany.
Davide GambarottoDepartment of Cell Biology, Sciences III, University of Geneva, Geneva, Switzerland.ORCID http://orcid.org/0000-0003-4691-082X
Toby D M BellSchool of Chemistry, Monash University, Clayton, VIC, 3800, Australia.
Virginie HamelDepartment of Cell Biology, Sciences III, University of Geneva, Geneva, Switzerland. virginie.hamel@unige.ch.ORCID http://orcid.org/0000-0001-5092-2343
Paul GuichardDepartment of Cell Biology, Sciences III, University of Geneva, Geneva, Switzerland. paul.guichard@unige.ch.ORCID http://orcid.org/0000-0002-0363-1049
Markus SauerDepartment of Biotechnology and Biophysics, Biocenter, University of Würzburg, Am Hubland, 97074, Würzburg, Germany. m.sauer@uni-wuerzburg.de.ORCID http://orcid.org/0000-0002-1692-3219
University of Geneva · CHUniversity of Würzburg · DEMonash University · AU

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Expansion microscopy (ExM) enables super-resolution fluorescence imaging of physically expanded biological samples with conventional microscopes. By combining ExM with single-molecule localization microscopy (SMLM) it is potentially possible to approach the resolution of electron microscopy. However, current attempts to combine both methods remained challenging because of protein and fluorophore loss during digestion or denaturation, gelation, and the incompatibility of expanded polyelectrolyte hydrogels with photoswitching buffers. Here we show that re-embedding of expanded hydrogels enables dSTORM imaging of expanded samples and demonstrate that post-labeling ExM resolves the current limitations of super-resolution microscopy. Using microtubules as a reference structure and centrioles, we demonstrate that post-labeling Ex-SMLM preserves ultrastructural details, improves the labeling efficiency and reduces the positional error arising from linking fluorophores into the gel thus paving the way for super-resolution imaging of immunolabeled endogenous proteins with true molecular resolution.

Indexed as

AnimalsBuffersCentriolesChlamydomonas reinhardtiiChlorocebus aethiopsComputer SimulationCOS CellsElectrolytesEpitopesFluorescent DyesHydrogelsImaging, Three-DimensionalMicroscopy, FluorescenceMicrotubulesNormal DistributionPhotochemistryBuffersElectrolytesEpitopesFluorescent DyesHydrogels

Identifiers

PMID32636396
PMCPMC7340794
OpenAlexW3040121687

What OpenQuestion holds

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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.