Evidence map›Paper›PMID 23617615›Full record

ArticleBiomacromolecules2013

Structural characterization of a model gram-negative bacterial surface using lipopolysaccharides from rough strains of Escherichia coli.

Anton P Le Brun, Luke A Clifton, Candice E Halbert, Binhua Lin, Mati Meron, Peter J Holden, Jeremy H Lakey, Stephen A Holt

Erratum issuedOpen access · hybridAbstract read
In one paragraph

Article in Biomacromolecules, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
2.7field-weighted citation impact, top 10% 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

31 citing papers in PubMed, 96 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. Factors Promoting Lipopolysaccharide Uptake by Synthetic Lipid Droplets.bioRxiv : the preprint server for biology · 2024
    Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Review
  13. Review
  14. Article
  15. Review
  16. Article
  17. Article
  18. Distribution of mechanical stress in the Escherichia coli cell envelope.Biochimica et biophysica acta. Biomembranes · 2018
    Article
  19. Liquid crystalline bacterial outer membranes are critical for antibiotic susceptibility.Proceedings of the National Academy of Sciences of the United States of America · 2018
    Article
  20. Article
4 · The record

Corrections and comments

  • Erratum issued
5 · Who and what money

Authors and funding

8 authors at 5 institutions in 3 countries.

Anton P Le BrunBragg Institute, Australian Nuclear Science and Technology Organisation , Locked Bag 2001, Kirrawee DC, NSW 2232, Australia.
Luke A Clifton
Candice E Halbert
Binhua Lin
Mati Meron
Peter J Holden
Jeremy H Lakey
Stephen A Holt
Australian Nuclear Science and Technology Organisation · AUUniversity of Chicago · USNewcastle University · GBOak Ridge National Laboratory · USRutherford Appleton Laboratory · GB

Funding

Wellcome TrustWellcome Trust 093581
6 · The paper itself

Abstract

Lipopolysaccharides (LPS) make up approximately 75% of the Gram-negative bacterial outer membrane (OM) surface, but because of the complexity of the molecule, there are very few model OMs that include LPS. The LPS molecule consists of lipid A, which anchors the LPS within the OM, a core polysaccharide region, and a variable O-antigen polysaccharide chain. In this work we used RcLPS (consisting of lipid A plus the first seven sugars of the core polysaccharide) from a rough strain of Escherichia coli to form stable monolayers of LPS at the air-liquid interface. The vertical structure RcLPS monolayers were characterized using neutron and X-ray reflectometry, while the lateral structure was investigated using grazing incidence X-ray diffraction and Brewster angle microscopy. It was found that RcLPS monolayers at surface pressures of 20 mN m(-1) and above are resolved as hydrocarbon tails, an inner headgroup, and an outer headgroup of polysaccharide with increasing solvation from tails to outer headgroups. The lateral organization of the hydrocarbon lipid chains displays an oblique hexagonal unit cell at all surface pressures, with only the chain tilt angle changing with surface pressure. This is in contrast to lipid A, which displays hexagonal or, above 20 mN m(-1), distorted hexagonal packing. This work provides the first complete structural analysis of a realistic E. coli OM surface model.

Indexed as

Carbohydrate ConformationEscherichia coliLipopolysaccharidesModels, TheoreticalX-Ray DiffractionLipopolysaccharides

Identifiers

PMID23617615
PMCPMC3679557
OpenAlexW2061250096

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.