Evidence map›Paper›PMID 33374551›Full record

ReviewAntibiotics (Basel, Switzerland)2020

Biofilms as Promoters of Bacterial Antibiotic Resistance and Tolerance.

Cristina Uruén, Gema Chopo-Escuin, Jan Tommassen, Raúl C Mainar-Jaime, Jesús Arenas

Open access · goldAbstract readReview
In one paragraph

Review in Antibiotics (Basel, Switzerland), 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 373 papers, 5 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
373citing papers in PubMed, 5 pooled it
18.0field-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

373 citing papers in PubMed, 5 syntheses or guidelines pooled it, 648 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Pooled it
  4. Pooled it
  5. Drug-resistantClinical microbiology reviews · 2025
    Pooled it
  6. Article
  7. Review
  8. Article
  9. Article
  10. Article
  11. Article
  12. Pangenome-GuidedPharmaceuticals (Basel, Switzerland) · 2026
    Article
  13. First Report and Integrated Characterization ofAnimals : an open access journal from MDPI · 2026
    Article
  14. Article
  15. Antibiofilm Activity of Essential Oils AgainstFoods (Basel, Switzerland) · 2026
    Article
  16. Article
  17. Polystyrene microplastics facilitateApplied and environmental microbiology · 2026
    Article
  18. Article
  19. CueO Possesses Copper Detoxification Activity Linking Bacterial Virulence and Drug Resistance in Brucella.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2026
    Article
  20. Biofilm-Mediated Antimicrobial Resistance in PediatricAntibiotics (Basel, Switzerland) · 2026
    Review

313 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

5 authors at 2 institutions in 2 countries.

Cristina UruénUnit of Microbiology and Immunology, Faculty of Veterinary, University of Zaragoza, Miguel Servet, 177, 50017 Zaragoza, Spain.
Gema Chopo-EscuinUnit of Microbiology and Immunology, Faculty of Veterinary, University of Zaragoza, Miguel Servet, 177, 50017 Zaragoza, Spain.
Jan TommassenDepartment of Molecular Microbiology and Institute of Biomembranes, Utrecht University, 3584 CH Utrecht, The Netherlands.
Raúl C Mainar-JaimeUnit of Microbiology and Immunology, Faculty of Veterinary, University of Zaragoza, Miguel Servet, 177, 50017 Zaragoza, Spain.
Jesús ArenasUnit of Microbiology and Immunology, Faculty of Veterinary, University of Zaragoza, Miguel Servet, 177, 50017 Zaragoza, Spain.
Universidad de Zaragoza · ESUtrecht University · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Multidrug resistant bacteria are a global threat for human and animal health. However, they are only part of the problem of antibiotic failure. Another bacterial strategy that contributes to their capacity to withstand antimicrobials is the formation of biofilms. Biofilms are associations of microorganisms embedded a self-produced extracellular matrix. They create particular environments that confer bacterial tolerance and resistance to antibiotics by different mechanisms that depend upon factors such as biofilm composition, architecture, the stage of biofilm development, and growth conditions. The biofilm structure hinders the penetration of antibiotics and may prevent the accumulation of bactericidal concentrations throughout the entire biofilm. In addition, gradients of dispersion of nutrients and oxygen within the biofilm generate different metabolic states of individual cells and favor the development of antibiotic tolerance and bacterial persistence. Furthermore, antimicrobial resistance may develop within biofilms through a variety of mechanisms. The expression of efflux pumps may be induced in various parts of the biofilm and the mutation frequency is induced, while the presence of extracellular DNA and the close contact between cells favor horizontal gene transfer. A deep understanding of the mechanisms by which biofilms cause tolerance/resistance to antibiotics helps to develop novel strategies to fight these infections.

Indexed as

antibiotic resistanceantibiotic tolerancebiofilm controlbiofilmsmultidrug-resistant bacteriarecalcitrance

Identifiers

PMID33374551
PMCPMC7822488
OpenAlexW3114978647

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.