Evidence map›Paper›PMID 19164559›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2009

Effects of linker sequences on vesicle fusion mediated by lipid-anchored DNA oligonucleotides.

Yee-Hung M Chan, Bettina van Lengerich, Steven G Boxer

Open access · greenAbstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 100 papers.

0numbers the graph read from it
0cells of the map it votes in
100citing papers in PubMed
9.8field-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

100 citing papers in PubMed, 283 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Article
  5. Review
  6. Haptotactic Motion of Multivalent Vesicles Along Ligand-Density Gradients.Langmuir : the ACS journal of surfaces and colloids · 2025
    Article
  7. Article
  8. Synthetic Lipid Biology.Chemical reviews · 2025
    Review
  9. DNA-Assisted Assays for Studying Lipid Transfer Between Membranes.Methods in molecular biology (Clifton, N.J.) · 2025
    Article
  10. Review
  11. Bottom-up synthetic immunology.Nature nanotechnology · 2024
    Review
  12. Review
  13. Article
  14. Review
  15. Review
  16. Article
  17. Article
  18. Review
  19. Article
  20. Article

40 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

3 authors at 1 institution in 1 country.

Yee-Hung M ChanDepartment of Chemistry, Stanford University, Stanford, CA 94305-5080, USA.
Bettina van Lengerich
Steven G Boxer
Stanford University · US

Funding

Membrane Fusion, Organization, and Dynamics Using Supported BilayersR01GM069630 · NIGMS · STANFORD UNIVERSITY · PI BOXER, STEVEN G. · 2004 to 2015
$3.8M
NIGMS NIH HHS GM069630NIGMS NIH HHS R01 GM069630
6 · The paper itself

Abstract

Synthetic lipid-oligonucleotide conjugates inserted into lipid vesicles mediate fusion when one population of vesicles displays the 5'-coupled conjugate and the other the 3'-coupled conjugate, so that anti-parallel hybridization allows the membrane surfaces to come into close proximity. Improved assays show that lipid mixing proceeds more quickly and to a much greater extent than content mixing, suggesting the latter is rate limiting. To test the effect of membrane-membrane spacing on fusion, a series of conjugates was constructed by adding 2-24 noncomplementary bases at the membrane-proximal ends of two complementary sequences. Increasing linker lengths generally resulted in progressively reduced rates and extents of lipid and content mixing, in contrast to higher vesicle docking rates. The relatively flexible, single-stranded DNA linker facilitates docking but allows greater spacing between the vesicles after docking, thus making the transition into fusion less probable, but not preventing it altogether. These experiments demonstrate the utility of DNA as a model system for fusion proteins, where sequence can easily be modified to systematically probe the effect of distance between bilayers in the fusion reaction.

Indexed as

Membrane FusionBase SequenceDNALipid BilayersLipidsModels, BiologicalMolecular Sequence DataOligonucleotidesOrganophosphorus CompoundsSNARE ProteinsDNALipid BilayersLipidsOligonucleotidesOrganophosphorus CompoundsphosphoramiditeSNARE Proteins

Identifiers

PMID19164559
PMCPMC2633564
OpenAlexW2150109115

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.