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Statements

Subject Item
n2:RIV%2F61388955%3A_____%2F11%3A00377563%21RIV13-AV0-61388955
rdf:type
skos:Concept n5:Vysledek
dcterms:description
There is increasing interest in using the cyanogenic properties of Pseudomonas aeruginosa to develop a nonmicrobiological method for its detection. Prior to this, the variation in cyanide production between different P. aeruginosa strains needs to be investigated. Hydrogen cyanide (HCN) released into the gas phase by 96 genotyped P. aeruginosa samples was measured using selected ion flow tube-mass spectrometry after 24, 48, 72 and 96 h of incubation. The HCN produced by a range of non-P. aeruginosa cultures and incubated blank plates was also measured. All P. aeruginosa strains produced more HCN than the control samples, which generated extremely low levels. Analysis across all time-points demonstrated that nonmucoid samples produced more HCN than the mucoid samples (p=0.003), but this relationship varied according to strain. There were clear differences in the headspace HCN concentration for different strains. Multivariate analysis of headspace HCN for the commonest strains (Liverpool, Midlands_1 and Stoke-on-Trent, UK) revealed a significant effect of strain (p < 0.001) and a borderline interaction of strain and phenotype (p=0.051). This evidence confirms that all P. aeruginosa strains produce HCN but to varying degrees and generates interest in the possible future clinical applications of the cyanogenic properties of P. aeruginosa. There is increasing interest in using the cyanogenic properties of Pseudomonas aeruginosa to develop a nonmicrobiological method for its detection. Prior to this, the variation in cyanide production between different P. aeruginosa strains needs to be investigated. Hydrogen cyanide (HCN) released into the gas phase by 96 genotyped P. aeruginosa samples was measured using selected ion flow tube-mass spectrometry after 24, 48, 72 and 96 h of incubation. The HCN produced by a range of non-P. aeruginosa cultures and incubated blank plates was also measured. All P. aeruginosa strains produced more HCN than the control samples, which generated extremely low levels. Analysis across all time-points demonstrated that nonmucoid samples produced more HCN than the mucoid samples (p=0.003), but this relationship varied according to strain. There were clear differences in the headspace HCN concentration for different strains. Multivariate analysis of headspace HCN for the commonest strains (Liverpool, Midlands_1 and Stoke-on-Trent, UK) revealed a significant effect of strain (p < 0.001) and a borderline interaction of strain and phenotype (p=0.051). This evidence confirms that all P. aeruginosa strains produce HCN but to varying degrees and generates interest in the possible future clinical applications of the cyanogenic properties of P. aeruginosa.
dcterms:title
Variation in hydrogen cyanide production between different strains of Pseudomonas aeruginosa Variation in hydrogen cyanide production between different strains of Pseudomonas aeruginosa
skos:prefLabel
Variation in hydrogen cyanide production between different strains of Pseudomonas aeruginosa Variation in hydrogen cyanide production between different strains of Pseudomonas aeruginosa
skos:notation
RIV/61388955:_____/11:00377563!RIV13-AV0-61388955
n5:predkladatel
n16:ico%3A61388955
n4:aktivita
n19:Z
n4:aktivity
Z(AV0Z40400503)
n4:cisloPeriodika
2
n4:dodaniDat
n13:2013
n4:domaciTvurceVysledku
n15:9912479
n4:druhVysledku
n7:J
n4:duvernostUdaju
n17:S
n4:entitaPredkladatele
n8:predkladatel
n4:idSjednocenehoVysledku
237962
n4:idVysledku
RIV/61388955:_____/11:00377563
n4:jazykVysledku
n12:eng
n4:klicovaSlova
microbiology; pseudomonas aeruginosa
n4:klicoveSlovo
n14:microbiology n14:pseudomonas%20aeruginosa
n4:kodStatuVydavatele
DK - Dánské království
n4:kontrolniKodProRIV
[92BE4EFD095A]
n4:nazevZdroje
European Respiratory Journal
n4:obor
n9:CF
n4:pocetDomacichTvurcuVysledku
1
n4:pocetTvurcuVysledku
9
n4:rokUplatneniVysledku
n13:2011
n4:svazekPeriodika
38
n4:tvurceVysledku
Brady, M. Jones, A. Webb, K. Belcher, J. Alcock, A. Smith, D. Lenney, W. Gilchrist, F. J. Španěl, Patrik
n4:wos
000293280400025
n4:zamer
n11:AV0Z40400503
s:issn
0903-1936
s:numberOfPages
6
n6:doi
10.1183/09031936.00166510