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Occurrence of Cronobacter spp. in retail foods.
MedLine Citation:
PMID:  22443682     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
Aims:  To study the occurrence of Cronobacter spp. in foods and to investigate the phenotypic properties of the strains isolated. Methods and Results:  A total of 53 strains of Cronobacter spp. isolated from 399 food samples were identified using conventional biochemical methods and MALDI-TOF mass spectrometry. Foods of plant origin were the most-frequently contaminated samples. No Cronobacter spp. were found in infant milk formula, wheat-based infant food, pasteurized and raw cow milk, mincemeat, chicken, chick pea, and potato dumpling powder. The individual species were identified as C. sakazakii (54.7%), C. malonaticus (28.4%), C. dublinensis (7.5 %), C. muytjensii (7.5%), and C. turicensis (1.9%). C. sakazakii and C. malonaticus belonging to biotype 1, 2, 2a, 3, 4, and 5, 5a, respectively. C. dublinensis strains were subdivided into biotypes 6 and 12. All strains were resistant to erythromycin, and two of them were resistant to both erythromycin and tetracycline. Conclusions:  Cronobacter spp. were isolated from various food samples pre-eminently of plant origin and dried food ingredients. Significance and Impact of Study:  These findings will increase and detail our knowledge of the presence and diversity of Cronobacter spp. in foods. © 2012The Authors Journal of Applied Microbiology © 2012 The Society for Applied Microbiology.
Authors:
I Hochel; H Růžičková; L Krásný; K Demnerová
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-3-24
Journal Detail:
Title:  Journal of applied microbiology     Volume:  -     ISSN:  1365-2672     ISO Abbreviation:  -     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-3-26     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9706280     Medline TA:  J Appl Microbiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
© 2012The Authors Journal of Applied Microbiology © 2012 The Society for Applied Microbiology.
Affiliation:
Institute of Chemical Technology in Prague, Department of Biochemistry and Microbiology, Prague, Czech Republic Institute of Microbiology, Academy of Sciences of the Czech Republic, Laboratory of Molecular Structures Characterization, Prague, Czech Republic.
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