Comprehensive Genomic Characterization of Cronobacter sakazakii Isolates from Infant Formula Processing Facilities Using Whole-Genome Sequencing

被引:2
作者
Mousavi, Zeinab Ebrahimzadeh [1 ,2 ,3 ]
Koolman, Leonard [1 ]
Macori, Guerrino [1 ]
Fanning, Seamus [1 ]
Butler, Francis [2 ]
机构
[1] Univ Coll Dublin, Sch Publ Hlth Physiotherapy & Sports Sci, UCD Ctr Food Safety, Dublin D04 V1W8, Ireland
[2] Univ Coll Dublin, Sch Biosyst & Food Engn, Dublin D04 V1W8, Ireland
[3] Univ Tehran, Fac Agr & Nat Resources, Dept Food Sci & Engn, Karaj 6719418314, Iran
基金
欧盟地平线“2020”;
关键词
Cronobacter sakazakii; whole-genome sequencing; antibiotic resistance; sequence type (ST); plasmids; virulence genes; public health; VIRULENCE; IDENTIFICATION; RESISTANCE; SPP;
D O I
10.3390/microorganisms11112749
中图分类号
Q93 [微生物学];
学科分类号
071005 ; 100705 ;
摘要
Cronobacter sakazakii is an opportunistic pathogen linked to outbreaks in powdered infant formula (PIF), primarily causing meningitis and necrotizing enterocolitis. Whole-genome sequencing (WGS) was used to characterize 18 C. sakazakii strains isolated from PIF (powdered infant formula) manufacturing plants (2011-2015). Sequence Type (ST) 1 was identified as the dominant sequence type, and all isolates carried virulence genes for chemotaxis, flagellar motion, and heat shock proteins. Multiple antibiotic resistance genes were detected, with all isolates exhibiting resistance to Cephalosporins and Tetracycline. A significant correlation existed between genotypic and phenotypic antibiotic resistance. The plasmid Col(pHAD28) was identified in the isolates recovered from the same PIF environment. All isolates harbored at least one intact phage. All the study isolates were compared with a collection of 96 publicly available C. sakazakii genomes to place these isolates within a global context. This comprehensive study, integrating phylogenetic, genomic, and epidemiological data, contributes to a deeper understanding of Cronobacter outbreaks. It provides valuable insights to enhance surveillance, prevention, and control strategies in food processing and public health contexts.
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页数:16
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