ArticlePloS one2011
Visible light responsive photocatalyst induces progressive and apical-terminus preferential damages on Escherichia coli surfaces.
Article in PloS one, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed.
- Photocatalytic Bacterial Destruction and Mineralization by TiOMolecules (Basel, Switzerland) · 2024Review
- Simulation of Hemorrhage Pathogenesis in Mice through Dual Stimulation with Dengue Envelope Protein Domain III-Coated Nanoparticles and Antiplatelet Antibody.International journal of molecular sciences · 2023Article
- Exposure to low levels of photocatalytic TiOScientific reports · 2022Article
- Opportunistic gill infection is associated with TiO2 nanoparticle-induced mortality in zebrafish.PloS one · 2021Article
- An engineered arginine-rich α-helical antimicrobial peptide exhibits broad-spectrum bactericidal activity against pathogenic bacteria and reduces bacterial infections in mice.Scientific reports · 2018Article
- Visible Light-Responsive Platinum-Containing Titania Nanoparticle-Mediated Photocatalysis Induces Nucleotide Insertion, Deletion and Substitution Mutations.Nanomaterials (Basel, Switzerland) · 2016Article
- Antibacterial Properties of Visible-Light-Responsive Carbon-Containing Titanium Dioxide Photocatalytic Nanoparticles against Anthrax.Nanomaterials (Basel, Switzerland) · 2016Article
- Dual Roles of Capsular Extracellular Polymeric Substances in Photocatalytic Inactivation of Escherichia coli: Comparison of E. coli BW25113 and Isogenic Mutants.Applied and environmental microbiology · 2015Article
- Antibacterial property of Ag nanoparticle-impregnated N-doped titania films under visible light.Scientific reports · 2015Article
- Nanodiamonds protect skin from ultraviolet B-induced damage in mice.Journal of nanobiotechnology · 2015Article
- Impact of photocatalysis on fungal cells: depiction of cellular and molecular effects on Saccharomyces cerevisiae.Applied and environmental microbiology · 2014Article
- Cell adhesion as a novel approach to determining the cellular binding motif on the severe acute respiratory syndrome coronavirus spike protein.Journal of virological methods · 2014Article
- The use of nanoscale visible light-responsive photocatalyst TiO2-Pt for the elimination of soil-borne pathogens.PloS one · 2012Article
Corrections and comments
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Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundRecent research shows that visible-light responsive photocatalysts have potential usage in antimicrobial applications. However, the dynamic changes in the damage to photocatalyzed bacteria remain unclear. METHODOLOGY/PRINCIPAL
findingsFacilitated by atomic force microscopy, this study analyzes the visible-light driven photocatalyst-mediated damage of Escherichia coli. Results show that antibacterial properties are associated with the appearance of hole-like structures on the bacteria surfaces. Unexpectedly, these hole-like structures were preferentially induced at the apical terminus of rod shaped E. coli cells. Differentiating the damages into various levels and analyzing the percentage of damage to the cells showed that photocatalysis was likely to elicit sequential damages in E. coli cells. The process began with changing the surface properties on bacterial cells, as indicated in surface roughness measurements using atomic force microscopy, and holes then formed at the apical terminus of the cells. The holes were then subsequently enlarged until the cells were totally transformed into a flattened shape. Parallel experiments indicated that photocatalysis-induced bacterial protein leakage is associated with the progression of hole-like damages, further suggesting pore formation. Control experiments using ultraviolet light responsive titanium-dioxide substrates also obtained similar observations, suggesting that this is a general phenomenon of E. coli in response to photocatalysis. CONCLUSION/SIGNIFICANCE: The photocatalysis-mediated localization-preferential damage to E. coli cells reveals the weak points of the bacteria. This might facilitate the investigation of antibacterial mechanism of the photocatalysis.
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