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Characterization of Cronobacter spp. isolated from food of plant origin and environmental samples collected from farms and from supermarkets in the Czech Republic
H. Vojkovska, R. Karpiskova, M. Orieskova, H. Drahovska,
Jazyk angličtina Země Nizozemsko
Typ dokumentu časopisecké články, práce podpořená grantem
- MeSH
- antibakteriální látky farmakologie MeSH
- Cronobacter klasifikace genetika izolace a purifikace MeSH
- genotyp MeSH
- kojenec MeSH
- lidé MeSH
- mikrobiální testy citlivosti MeSH
- multilokusová sekvenční typizace MeSH
- náhražky mateřského mléka mikrobiologie MeSH
- novorozenec MeSH
- ovoce mikrobiologie MeSH
- polymerázová řetězová reakce MeSH
- potravinářská mikrobiologie * MeSH
- techniky typizace bakterií MeSH
- zelenina mikrobiologie MeSH
- zemědělství MeSH
- Check Tag
- kojenec MeSH
- lidé MeSH
- novorozenec MeSH
- Publikační typ
- časopisecké články MeSH
- práce podpořená grantem MeSH
- Geografické názvy
- Česká republika MeSH
The Cronobacter genus (previously known as Enterobacter sakazakii) comprises seven species (Cronobacter sakazakii, Cronobacter malonaticus, Cronobacter muytjensii, Cronobacter turicensis, Cronobacter dublinensis, Cronobacter universalis and Cronobacter condimenti)which cause serious infections in neonates and immunocompromised people.Most of the documented outbreaks of these bacteria have been associated with consumption of contaminated powdered infant formula. The plant environment is considered to be the natural habitat of these bacteria. Therefore, a total number of 563 samples of vegetables, fruit, water and environmental swabs were collected from local farms and supermarkets in the Czech Republic and investigated for the presence of Cronobacter spp. The obtained 45 isolates (8.0%) were further characterized by phenotyping (antimicrobial resistance, capsule and pigment production) and genotyping (fusA sequencing,MLST, PCR-serotyping) methods. Most of the Cronobacter isolates (42.2%) were identified as C. sakazakii, followed by C. turicensis (31.1%), C. dublinensis (22.2%), C. malonaticus (2.2%) and C. universalis (2.2%). The 25 identified sequence types, out of which 17 were unique for only one strain, indicated a high diversity of strains. C. sakazakii sequence type 4 (ST 4), which has been associated with many cases of meningitis, was isolated only in one case. A strong association of C. turicensis and C. dublinensis with the plant environment can be deduced from our results.
Citace poskytuje Crossref.org
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- $a The Cronobacter genus (previously known as Enterobacter sakazakii) comprises seven species (Cronobacter sakazakii, Cronobacter malonaticus, Cronobacter muytjensii, Cronobacter turicensis, Cronobacter dublinensis, Cronobacter universalis and Cronobacter condimenti)which cause serious infections in neonates and immunocompromised people.Most of the documented outbreaks of these bacteria have been associated with consumption of contaminated powdered infant formula. The plant environment is considered to be the natural habitat of these bacteria. Therefore, a total number of 563 samples of vegetables, fruit, water and environmental swabs were collected from local farms and supermarkets in the Czech Republic and investigated for the presence of Cronobacter spp. The obtained 45 isolates (8.0%) were further characterized by phenotyping (antimicrobial resistance, capsule and pigment production) and genotyping (fusA sequencing,MLST, PCR-serotyping) methods. Most of the Cronobacter isolates (42.2%) were identified as C. sakazakii, followed by C. turicensis (31.1%), C. dublinensis (22.2%), C. malonaticus (2.2%) and C. universalis (2.2%). The 25 identified sequence types, out of which 17 were unique for only one strain, indicated a high diversity of strains. C. sakazakii sequence type 4 (ST 4), which has been associated with many cases of meningitis, was isolated only in one case. A strong association of C. turicensis and C. dublinensis with the plant environment can be deduced from our results.
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- $a Orieskova, Maria $u Comenius University in Bratislava, Faculty of Natural Sciences, Department of Molecular Biology, Mlynska dolina 1, 842 15 Bratislava, Slovak Republic. Electronic address: orieskova@fns.uniba.sk.
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- $a Drahovska, Hana $u Comenius University in Bratislava, Faculty of Natural Sciences, Department of Molecular Biology, Mlynska dolina 1, 842 15 Bratislava, Slovak Republic. Electronic address: drahovska@fns.uniba.sk.
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