Evidence map›Paper›PMID 35968965›Full record

ArticlemSphere2022

Effects of Mucin and DNA Concentrations in Airway Mucus on Pseudomonas aeruginosa Biofilm Recalcitrance.

Kaitlyn R Rouillard, William J Kissner, Matthew R Markovetz, David B Hill

Open access · goldAbstract read
In one paragraph

Article in mSphere, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
4.0field-weighted citation impact, top 5% 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

20 citing papers in PubMed, 26 citations in OpenAlex.

  1. Review
  2. Review
  3. Article
  4. Article
  5. iScience · 2025
    Article
  6. Review
  7. Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Article
  13. Article
  14. Article
  15. Frontiers in immunology · 2024
    Review
  16. Article
  17. Article
  18. Article
  19. Article
  20. Review
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

4 authors at 1 institution in 1 country.

Kaitlyn R RouillardMarsico Lung Institute, UNC Chapel Hill, Chapel Hill, North Carolina, USA.ORCID 0000-0002-0856-8640
William J KissnerMarsico Lung Institute, UNC Chapel Hill, Chapel Hill, North Carolina, USA.
Matthew R MarkovetzMarsico Lung Institute, UNC Chapel Hill, Chapel Hill, North Carolina, USA.
David B HillMarsico Lung Institute, UNC Chapel Hill, Chapel Hill, North Carolina, USA.ORCID 0000-0002-9270-777X
University of North Carolina at Chapel Hill · US

Funding

Project 4: Biophysical and structural characterization of airway submucosal gland mucus in health and diseaseP01HL164320 · NHLBI · UNIV OF NORTH CAROLINA CHAPEL HILL · PI Richard Charles Boucher, Michael Rubinstein · 2022 to 2026
$13.9M
TRAINING IN RESPIRATORY AND ENVIRONMENTAL MEDICINET32HL007106 · NHLBI · UNIV OF NORTH CAROLINA CHAPEL HILL · PI BOUCHER, RICHARD CHARLES, DOERSCHUK, CLAIRE M · 1985 to 2021
$7.3M
NHLBI NIH HHS P01 HL164320NHLBI NIH HHS T32 HL007106
6 · The paper itself

Abstract

The pathological properties of airway mucus in cystic fibrosis (CF) are dictated by mucus concentration and composition, with mucins and DNA being responsible for mucus viscoelastic properties. As CF pulmonary disease progresses, the concentrations of mucins and DNA increase and are associated with increased mucus viscoelasticity and decreased transport. Similarly, the biophysical properties of bacterial biofilms are heavily influenced by the composition of their extracellular polymeric substances (EPS). While the roles of polymer concentration and composition in mucus and biofilm mechanical properties have been evaluated independently, the relationship between mucus concentration and composition and the biophysical properties of biofilms grown therein remains unknown. Pseudomonas aeruginosa biofilms were grown in airway mucus as a function of overall concentration and DNA concentration to mimic healthy, and CF pathophysiology and biophysical properties were evaluated with macro- and microrheology. Biofilms were also characterized after exposure to DNase or DTT to examine the effects of DNA and mucin degradation, respectively. Identifying critical targets in biofilms for disrupting mechanical stability in highly concentrated mucus may lead to the development of efficacious biofilm therapies and ultimately improve CF patient outcomes. Overall mucus concentration was the predominant contributor to biofilm viscoelasticity and both DNA degradation and mucin reduction resulted in compromised biofilm mechanical strength.

Indexed as

Cystic FibrosisPseudomonas aeruginosaBiofilmsDNAHumansMucinsMucusDNAMucinsbiofilmcystic fibrosisDNAmucinsPseudomonas aeruginosa

Identifiers

PMID35968965
PMCPMC9429933
OpenAlexW4291899723

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.