ArticlePloS one2014
Characterisation of pellicles formed by Acinetobacter baumannii at the air-liquid interface.
Article in PloS one, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 48 papers.
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Who cites it
48 citing papers in PubMed.
- Diversification of biofilm architecture among freshwaterApplied and environmental microbiology · 2026Article
- Should I stay or should I go? DNA damage thresholds drive stay-or-go decisions inJournal of bacteriology · 2026Review
- Antiparallel stacking of Csu pili drives Acinetobacter baumannii 3D biofilm assembly.Nature communications · 2026Article
- Bacterial biofilm conundrum: insight into the frontiers of antibiotic resistance and state-of-the-art anti-biofilm interventions.Frontiers in cellular and infection microbiology · 2026Review
- Deciphering the efficacy of staphyloxanthin-encapsulated niosomal nanovesicles to attenuate biofilm formation, quorum sensing, and meropenem persistence in Acinetobacter baumannii.BMC microbiology · 2025Article
- Biofilm and Outer Membrane Vesicle Formation in ESKAPE Gram-Negative Bacteria: A Comprehensive Review.International journal of molecular sciences · 2025Review
- Signaling inComputational and structural biotechnology journal · 2025Review
- Virulence between ESBL and non-ESBL producing isolates of Acinetobacter baumanii causing diabetic foot infections.Bioinformation · 2025Article
- Morphogenesis and mechanical properties ofCurrent research in microbial sciences · 2025Article
- Deciphering the influence of NaCl on social behaviour ofRoyal Society open science · 2024Article
- Review
- Inhibition of biofilm formation and preformed biofilm inFrontiers in microbiology · 2024Article
- Socializing at the Air-Liquid Interface: a Functional Genomic Analysis on Biofilm-Related Genes during Pellicle Formation by Escherichia coli and Its Interaction with Aeromonas australiensis.Applied and environmental microbiology · 2023Article
- Comparative Transcriptomic Profiling of Pellicle and Planktonic Cells from Carbapenem-ResistantAntibiotics (Basel, Switzerland) · 2023Article
- Article
- Review
- Vaccination with a combination of planktonic and biofilm virulence factors confers protection against carbapenem-resistant Acinetobacter baumannii strains.Scientific reports · 2022Article
- Review
- What Is in a Cat Scratch? Growth ofMicroorganisms · 2021Review
- Novel Genes Required for Surface-Associated Motility in Acinetobacter baumannii.Current microbiology · 2021Article
Corrections and comments
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The clinical importance of Acinetobacter baumannii is partly due to its natural ability to survive in the hospital environment. This persistence may be explained by its capacity to form biofilms and, interestingly, A. baumannii can form pellicles at the air-liquid interface more readily than other less pathogenic Acinetobacter species. Pellicles from twenty-six strains were morphologically classified into three groups: I) egg-shaped (27%); II) ball-shaped (50%); and III) irregular pellicles (23%). One strain representative of each group was further analysed by Brewster's Angle Microscopy to follow pellicle development, demonstrating that their formation did not require anchoring to a solid surface. Total carbohydrate analysis of the matrix showed three main components: Glucose, GlcNAc and Kdo. Dispersin B, an enzyme that hydrolyzes poly-N-acetylglucosamine (PNAG) polysaccharide, inhibited A. baumannii pellicle formation, suggesting that this exopolysaccharide contributes to pellicle formation. Also associated with the pellicle matrix were three subunits of pili assembled by chaperon-usher systems: the major CsuA/B, A1S_1510 (presented 45% of identity with the main pilin F17-A from enterotoxigenic Escherichia coli pili) and A1S_2091. The presence of both PNAG polysaccharide and pili systems in matrix of pellicles might contribute to the virulence of this emerging pathogen.
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