Evidence map›Paper›PMID 21655266›Full record

ArticlePloS one2011

Taming membranes: functional immobilization of biological membranes in hydrogels.

Ilja Kusters, Nobina Mukherjee, Menno R de Jong, Sander Tans, Armağan Koçer, Arnold J M Driessen

Open access · goldAbstract read
In one paragraph

Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
0.9field-weighted citation impact, top 27% 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

7 citing papers in PubMed, 24 citations in OpenAlex.

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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

6 authors at 2 institutions in 1 country.

Ilja KustersDepartment of Molecular Microbiology, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, AG Groningen, The Netherlands.
Nobina Mukherjee
Menno R de Jong
Sander Tans
Armağan Koçer
Arnold J M Driessen
University of Groningen · NLInstitute for Atomic and Molecular Physics · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Single molecule studies on membrane proteins embedded in their native environment are hampered by the intrinsic difficulty of immobilizing elastic and sensitive biological membranes without interfering with protein activity. Here, we present hydrogels composed of nano-scaled fibers as a generally applicable tool to immobilize biological membrane vesicles of various size and lipid composition. Importantly, membrane proteins immobilized in the hydrogel as well as soluble proteins are fully active. The triggered opening of the mechanosensitive channel of large conductance (MscL) reconstituted in giant unilamellar vesicles (GUVs) was followed in time on single GUVs. Thus, kinetic studies of vectorial transport processes across biological membranes can be assessed on single, hydrogel immobilized, GUVs. Furthermore, protein translocation activity by the membrane embedded protein conducting channel of bacteria, SecYEG, in association with the soluble motor protein SecA was quantitatively assessed in bulk and at the single vesicle level in the hydrogel. This technique provides a new way to investigate membrane proteins in their native environment at the single molecule level by means of fluorescence microscopy.

Indexed as

Adenosine TriphosphatasesBacterial ProteinsBiological TransportCell MembraneEscherichia coli ProteinsHydrogelsLiposomesMembrane ProteinsMembrane Transport ProteinsSecA ProteinsSEC Translocation ChannelsUnilamellar LiposomesAdenosine TriphosphatasesBacterial ProteinsEscherichia coli ProteinsHydrogelsLiposomesMembrane ProteinsMembrane Transport ProteinsSecA ProteinsSEC Translocation ChannelsUnilamellar Liposomes

Identifiers

PMID21655266
PMCPMC3105061
OpenAlexW1972462452

What OpenQuestion holds

Textmetadata
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.