The response of Pseudomonas aeruginosa biofilm to the presence of a glass polyalkenoate cement formulated from a silver containing glass

Coughlan, A.; Ryan, Michael P.; Cummins, Niamh M.; Towler, Mark R.

doi:10.1007/s10853-010-4945-y

Cited by 13 publications

(9 citation statements)

References 23 publications

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“…Gram-negative, non-fermenting bacteria are an emerging concern in clinical locations, being a common cause of nosocomial infections. Opportunistic pathogens from this group include many different bacterial species, including: Acinetobacter baumannii , Burkholderia cepacia , Ralstonia pickettii , Pseudomonas aeruginosa , Sphingomonas pauciomobilis , and Stenotrophomonas maltophilia [ 1–8 ]. The group can survive in a wide variety of environments including different water sources (aircraft water, bottled water, hospital water, purified water) [ 9–12 ], and are usually resistant to a wide array of antimicrobials [ 13 , 14 ].…”

Section: Introductionmentioning

confidence: 99%

Brevundimonas spp: Emerging global opportunistic pathogens

2018

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Non-fermenting Gram-negative bacteria are problematic in clinical locations, being one of the most prevalent causes of nosocomial infections. Many of these non-fermenting Gram-negative bacteria are opportunistic pathogens that affect patients that are suffering with underlying medical conditions and diseases. Brevundimonas spp., in particular Brevundimonas diminuta and Brevundimonas vesicularis, are a genus of non-fermenting Gram-negative bacteria considered of minor clinical importance. Forty-nine separate instances of infection relating to Brevundimonas spp were found in the scientific literature along with two pseudo-infections. The majority of these instances were infection with Brevundimonas vesicularis (thirty-five cases – 71%). The major condition associated with Brevundimonas spp infection was bacteraemia with seventeen individual cases/outbreaks (35%). This review identified forty-nine examples of Brevundimonas spp. infections have been discussed in the literature. These findings indicate that infection review programs should consider investigation of possible Brevundimonas spp outbreaks if these bacteria are clinically isolated in more than one patient.

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Section: Introductionmentioning

confidence: 99%

Brevundimonas spp: Emerging global opportunistic pathogens

2018

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“…Biofilms are microbially derived sessile communities characterized by cells embedded in a matrix of extracellular polymeric substances [ 1 , 2 , 3 ]. Bacterial biofilms are more resistant to antibiotics and biocides compared to planktonic (free) cells [ 4 ].…”

Section: Introductionmentioning

confidence: 99%

Preparation of Silver- and Zinc-Doped Mullite-Based Ceramics Showing Anti-Bacterial Biofilm Properties

et al. 2011

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Zinc- and silver-doped mullite ceramic discs were prepared and tested as potentially resistant materials against bacterial adhesion and biofilm formation. Elemental analysis and X-ray diffraction studies showed that zinc ions were incorporated in the structural framework of the mullite, while silver ions remained outside the mullite crystal lattice, which allowed their slow (0.02 ppm/24 hours) leaching into the surrounding aqueous environment. In agreement with this behavior, silver-doped mullite showed potent resistance against surface attachment of Pseudomonas aeruginosa, while on the other hand, zinc-doped mullite failed to stop bacterial attachment.

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“…In particular, the dominance of γ-Proteobacteria in the short haul distribution system may outcompete the Actinobacteria class bacteria, due to their rapid growth rate [38]. The γ-Proteobacteria identified are predominantly of the Pseudomonas genus, known for efficient and rapid biofilm formation [39] and thus the need for a biofilm assessment and remediation is corroborated further.…”

Section: Resultsmentioning

confidence: 99%

Assessment of the Bacterial Diversity of Aircraft Water: Identification of the Frequent Fliers

et al. 2017

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The aim of this study was to determine and identify bacteria inhabiting the supply chain of an airline’s drinking water using phenotypic and 16S rDNA sequence-based analysis. Water samples (n = 184) were sourced from long-haul and short-haul aircraft, the airline water source and a water service vehicle. In total, 308 isolates were characterised and their identity determined, which produced 82 identified bacterial species belonging to eight classes: γ-Proteobacteria; β-Proteobacteria; α-Proteobacteria; Bacilli; Actinobacteria; Flavobacteria; Sphingobacteria and Cytophaga. Statistical differences in bacterial diversity were found to exist across sampling locations (X2 = 39.220, p = 0.009) and furthermore, differences were observed (X2 = 15.475, p = 0.030) across aircraft type (long- or short-haul). This study demonstrates the diverse nature of microorganisms within the aircraft drinking water supply chain. To the best of our knowledge, this is the most extensive study undertaken to date of microbial diversity in aircraft drinking water.

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The response of Pseudomonas aeruginosa biofilm to the presence of a glass polyalkenoate cement formulated from a silver containing glass

Cited by 13 publications

References 23 publications

Brevundimonas spp: Emerging global opportunistic pathogens

Brevundimonas spp: Emerging global opportunistic pathogens

Preparation of Silver- and Zinc-Doped Mullite-Based Ceramics Showing Anti-Bacterial Biofilm Properties

Assessment of the Bacterial Diversity of Aircraft Water: Identification of the Frequent Fliers

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