Bacterial-nanostructure interactions: The role of cell elasticity and adhesion forces

Elbourne, A, Chapman, J, Gelmi, A, Cozzolino, D, Crawford, R and Truong, V 2019, 'Bacterial-nanostructure interactions: The role of cell elasticity and adhesion forces', Journal of Colloid and Interface Science, vol. 546, pp. 192-210.


Document type: Journal Article
Collection: Journal Articles

Title Bacterial-nanostructure interactions: The role of cell elasticity and adhesion forces
Author(s) Elbourne, A
Chapman, J
Gelmi, A
Cozzolino, D
Crawford, R
Truong, V
Year 2019
Journal name Journal of Colloid and Interface Science
Volume number 546
Start page 192
End page 210
Total pages 19
Publisher Elsevier
Abstract The attachment of single-celled organisms, namely bacteria and fungi, to abiotic surfaces is of great interest to both the scientific and medical communities. This is because the interaction of such cells has important implications in a range of areas, including biofilm formation, biofouling, antimicrobial surface technologies, and bio-nanotechnologies, as well as infection development, control, and mitigation. While central to many biological phenomena, the factors which govern microbial surface attachment are still not fully understood. This lack of understanding is a direct consequence of the complex nature of cell-surface interactions, which can involve both specific and non-specific interactions. For applications involving micro- and nano-structured surfaces, developing an understanding of such phenomenon is further complicated by the diverse nature of surface architectures, surface chemistry, variation in cellular physiology, and the intended technological output. These factors are extremely important to understand in the emerging field of antibacterial nanostructured surfaces. The aim of this perspective is to re-frame the discussion surrounding the mechanism of nanostructured-microbial surface interactions. Broadly, the article reviews our current understanding of these phenomena, while highlighting the knowledge gaps surrounding the adhesive forces which govern bacterial-nanostructure interactions and the role of cell membrane rigidity in modulating surface activity. The roles of surface charge, cell rigidity, and cell-surface adhesion force in bacterial-surface adsorption are discussed in detail. Presently, most studies have overlooked these areas, which has left many questions unanswered. Further, this perspective article highlights the numerous experimental issues and misinterpretations which surround current studies of antibacterial nanostructured surfaces.
Subject Nanomaterials
Keyword(s) Adhesion
AFM
Bacteria
Biofilm
Cell-surface interactions
Membrane rigidity
Microbial adsorption
DOI - identifier 10.1016/j.jcis.2019.03.050
Copyright notice © 2019 Elsevier Inc. All rights reserved.
ISSN 0021-9797
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