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For: Müller A, Hächler H, Stephan R, Lehner A. Presence of AmpC beta-lactamases, CSA-1, CSA-2, CMA-1, and CMA-2 conferring an unusual resistance phenotype in Cronobacter sakazakii and Cronobacter malonaticus. Microb Drug Resist 2014;20:275-80. [PMID: 24568164 DOI: 10.1089/mdr.2013.0188] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open

For:	Müller A, Hächler H, Stephan R, Lehner A. Presence of AmpC beta-lactamases, CSA-1, CSA-2, CMA-1, and CMA-2 conferring an unusual resistance phenotype in Cronobacter sakazakii and Cronobacter malonaticus. Microb Drug Resist 2014;20:275-80. [PMID: 24568164 DOI: 10.1089/mdr.2013.0188] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open

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Cited by Other Article(s)

Parra-Flores J, Flores-Soto F, Flores-Balboa C, Alarcón-Lavín MP, Cabal-Rosel A, Daza-Prieto B, Springer B, Cruz-Córdova A, Leiva-Caro J, Forsythe S, Ruppitsch W. Characterization of Cronobacter sakazakii and Cronobacter malonaticus Strains Isolated from Powdered Dairy Products Intended for Consumption by Adults and Older Adults. Microorganisms 2023;11:2841. [PMID: 38137986 PMCID: PMC10745994 DOI: 10.3390/microorganisms11122841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/09/2023] [Accepted: 11/19/2023] [Indexed: 12/24/2023] Open

Abstract

The objective of this study was to characterize Cronobacter spp. and related organisms isolated from powder dairy products intended for consumption by adults and older adults using whole-genome sequencing (WGS), and to identify genes and traits that encode antibiotic resistance and virulence. Virulence (VGs) and antibiotic resistance genes (ARGs) were detected with the Comprehensive Antibiotic Resistance Database (CARD) platform, ResFinder, and MOB-suite tools. Susceptibility testing was performed using disk diffusion. Five presumptive strains of Cronobacter spp. were identified by MALDI-TOF MS and ribosomal MLST. Three C. sakazakii strains were of the clinical pathovar ST1, one was ST31, and the remaining isolate was C. malonaticus ST60. In addition, Franconibacter helveticus ST345 was identified. The C. sakazakii ST1 strains were further distinguished using core genome MLST based on 2831 loci. Moreover, 100% of the strains were resistant to cefalotin, 75% to ampicillin, and 50% to amikacin. The C. sakazakii ST1 strains were multiresistant (MDR) to four antibiotics. Additionally, all the strains adhered to the N1E-115 cell line, and two invaded it. Eighteen ARGs mainly involved in antibiotic target alteration and antibiotic efflux were detected. Thirty VGs were detected and clustered as flagellar proteins, outer membrane proteins, chemotaxis, hemolysins, and genes involved in metabolism and stress. The pESA3, pSP291-1, and pCMA1 plasmids were detected, and the prevalent mobile genetic elements (MGEs) were ISEsa1, ISEc52, and IS26. The isolates of C. sakazakii and C. malonaticus exhibited multiresistance to antibiotics, harbored genes encoding various antibiotic resistance proteins, and various virulence factors. Consequently, these contaminated powdered dairy products pose a risk to the health of hypersensitive adults.

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Holý O, Parra-Flores J, Bzdil J, Cabal-Rosel A, Daza-Prieto B, Cruz-Córdova A, Xicohtencatl-Cortes J, Rodríguez-Martínez R, Acuña S, Forsythe S, Ruppitsch W. Screening of Antibiotic and Virulence Genes from Whole Genome Sequenced Cronobacter sakazakii Isolated from Food and Milk-Producing Environments. Antibiotics (Basel) 2023;12:antibiotics12050851. [PMID: 37237754 DOI: 10.3390/antibiotics12050851] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 04/27/2023] [Accepted: 05/03/2023] [Indexed: 05/28/2023] Open

Comparison of Origanum Essential Oil Chemical Compounds and Their Antibacterial Activity against Cronobacter sakazakii. MOLECULES (BASEL, SWITZERLAND) 2022;27:molecules27196702. [PMID: 36235238 PMCID: PMC9571376 DOI: 10.3390/molecules27196702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/03/2022] [Accepted: 10/03/2022] [Indexed: 11/07/2022]

Jaradat ZW, Al-Mousa WA, Elbetieha AM, Ababneh QO, Al-Nabulsi AA, Jang H, Gangiredla J, Patel IR, Gopinath GR, Tall BD. Virulence, antimicrobial susceptibility, and phylogenetic analysis of Cronobacter sakazakii isolates of food origins from Jordan. J Appl Microbiol 2022;133:2528-2546. [PMID: 35858752 DOI: 10.1111/jam.15723] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Revised: 07/14/2022] [Accepted: 07/15/2022] [Indexed: 11/26/2022]

Jang H, Eshwar A, Lehner A, Gangiredla J, Patel IR, Beaubrun JJG, Chase HR, Negrete F, Finkelstein S, Weinstein LM, Ko K, Addy N, Ewing L, Woo J, Lee Y, Seo K, Jaradat Z, Srikumar S, Fanning S, Stephan R, Tall BD, Gopinath GR. Characterization of Cronobacter sakazakii Strains Originating from Plant-Origin Foods Using Comparative Genomic Analyses and Zebrafish Infectivity Studies. Microorganisms 2022;10:microorganisms10071396. [PMID: 35889115 PMCID: PMC9319161 DOI: 10.3390/microorganisms10071396] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 02/04/2023] Open

Abstract

Cronobacter sakazakii continues to be isolated from ready-to-eat fresh and frozen produce, flours, dairy powders, cereals, nuts, and spices, in addition to the conventional sources of powdered infant formulae (PIF) and PIF production environments. To understand the sequence diversity, phylogenetic relationship, and virulence of C. sakazakii originating from plant-origin foods, comparative molecular and genomic analyses, and zebrafish infection (ZI) studies were applied to 88 strains. Whole genome sequences of the strains were generated for detailed bioinformatic analysis. PCR analysis showed that all strains possessed a pESA3-like virulence plasmid similar to reference C. sakazakii clinical strain BAA-894. Core genome analysis confirmed a shared genomic backbone with other C. sakazakii strains from food, clinical and environmental strains. Emerging nucleotide diversity in these plant-origin strains was highlighted using single nucleotide polymorphic alleles in 2000 core genes. DNA hybridization analyses using a pan-genomic microarray showed that these strains clustered according to sequence types (STs) identified by multi-locus sequence typing (MLST). PHASTER analysis identified 185 intact prophage gene clusters encompassing 22 different prophages, including three intact Cronobacter prophages: ENT47670, ENT39118, and phiES15. AMRFinderPlus analysis identified the CSA family class C β-lactamase gene in all strains and a plasmid-borne mcr-9.1 gene was identified in three strains. ZI studies showed that some plant-origin C. sakazakii display virulence comparable to clinical strains. Finding virulent plant-origin C. sakazakii possessing significant genomic features of clinically relevant STs suggests that these foods can serve as potential transmission vehicles and supports widening the scope of continued surveillance for this important foodborne pathogen.

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Affiliation(s)

Hyein Jang Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.)
Athmanya Eshwar Institute for Food Safety and Hygiene, University of Zurich, CH-8057 Zurich, Switzerland; (A.E.); (A.L.); (R.S.)
Angelika Lehner Institute for Food Safety and Hygiene, University of Zurich, CH-8057 Zurich, Switzerland; (A.E.); (A.L.); (R.S.)
Jayanthi Gangiredla Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.)
Isha R. Patel Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.)
Junia Jean-Gilles Beaubrun Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.)
Hannah R. Chase Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.)
Flavia Negrete Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.)
Samantha Finkelstein Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.)
Leah M. Weinstein Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.)
Katie Ko Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.)
Nicole Addy Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.)
Laura Ewing Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.)
Jungha Woo Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.)
Youyoung Lee Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.)
Kunho Seo Center for One Health, College of Veterinary Medicine, Konkuk University, Seoul 05029, Korea;
Ziad Jaradat Department of Nutrition and Food Technology, Jordan University of Science and Technology, Irbid 22110, Jordan;
Shabarinath Srikumar UCD Centre for Food Safety, School of Public Health, Physiotherapy & Population Science, University College Dublin & WHO Collaborating Centre for Cronobacter, Belfield, D04 N2E5 Dublin, Ireland; (S.S.); (S.F.)
Séamus Fanning UCD Centre for Food Safety, School of Public Health, Physiotherapy & Population Science, University College Dublin & WHO Collaborating Centre for Cronobacter, Belfield, D04 N2E5 Dublin, Ireland; (S.S.); (S.F.)
Roger Stephan Institute for Food Safety and Hygiene, University of Zurich, CH-8057 Zurich, Switzerland; (A.E.); (A.L.); (R.S.)
Ben D. Tall Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.) Correspondence: (B.D.T.); (G.R.G.)
Gopal R. Gopinath Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, MD 20708, USA; (H.J.); (J.G.); (I.R.P.); (J.J.-G.B.); (H.R.C.); (F.N.); (S.F.); (L.M.W.); (K.K.); (N.A.); (L.E.); (J.W.); (Y.L.) Correspondence: (B.D.T.); (G.R.G.)

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Parra-Flores J, Holý O, Acuña S, Lepuschitz S, Pietzka A, Contreras-Fernández A, Chavarría-Sepulveda P, Cruz-Córdova A, Xicohtencatl-Cortes J, Mancilla-Rojano J, Castillo A, Ruppitsch W, Forsythe S. Genomic Characterization of Cronobacter spp. and Salmonella spp. Strains Isolated From Powdered Infant Formula in Chile. Front Microbiol 2022;13:884721. [PMID: 35722296 PMCID: PMC9201451 DOI: 10.3389/fmicb.2022.884721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2022] [Accepted: 05/04/2022] [Indexed: 11/14/2022] Open

Abstract

This study characterized five Cronobacter spp. and six Salmonella spp. strains that had been isolated from 155 samples of powdered infant formula (PIF) sold in Chile and manufactured in Chile and Mexico in 2018–2020. Two strains of Cronobacter sakazakii sequence type (ST) ST1 and ST31 (serotypes O:1 and O:2) and one strain of Cronobacter malonaticus ST60 (O:1) were identified. All Salmonella strains were identified as Salmonella Typhimurium ST19 (serotype O:4) by average nucleotide identity, ribosomal multilocus sequence typing (rMLST), and core genome MLST (cgMLST). The C. sakazakii and C. malonaticus isolates were resistant to cephalothin, whereas the Salmonella isolates were resistant to oxacillin and ampicillin. Nineteen antibiotic resistance genes were detected in the C. sakazakii and C. malonaticus isolates; the most prevalent were mcr-9.1, bla_CSA, and bla_CMA. In Salmonella, 30 genes encoding for aminoglycoside and cephalosporin resistance were identified, including aac(6′)-Iaa, β-lactamases ampH, ampC1, and marA. In the Cronobacter isolates, 32 virulence-associated genes were detected by WGS and clustered as flagellar proteins, outer membrane proteins, chemotaxis, hemolysins, invasion, plasminogen activator, colonization, transcriptional regulator, survival in macrophages, use of sialic acid, and toxin-antitoxin genes. In the Salmonella strains, 120 virulence associated genes were detected, adherence, magnesium uptake, resistance to antimicrobial peptides, secretion system, stress protein, toxin, resistance to complement killing, and eight pathogenicity islands. The C. sakazakii and C. malonaticus strains harbored I-E and I-F CRISPR-Cas systems and carried Col(pHHAD28) and IncFIB(pCTU1) plasmids, respectively. The Salmonella strains harbored type I-E CRISPR-Cas systems and carried IncFII(S) plasmids. The presence of C. sakazakii and Salmonella in PIF is a health risk for infants aged less than 6 months. For this reason, sanitary practices should be reinforced for its production and retail surveillance.

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Class C β-Lactamases: Molecular Characteristics. Clin Microbiol Rev 2022;35:e0015021. [PMID: 35435729 PMCID: PMC9491196 DOI: 10.1128/cmr.00150-21] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open

Abstract

Class C β-lactamases or cephalosporinases can be classified into two functional groups (1, 1e) with considerable molecular variability (≤20% sequence identity). These enzymes are mostly encoded by chromosomal and inducible genes and are widespread among bacteria, including Proteobacteria in particular. Molecular identification is based principally on three catalytic motifs (⁶⁴SXSK, ¹⁵⁰YXN, ³¹⁵KTG), but more than 70 conserved amino-acid residues (≥90%) have been identified, many close to these catalytic motifs. Nevertheless, the identification of a tiny, phylogenetically distant cluster (including enzymes from the genera Legionella, Bradyrhizobium, and Parachlamydia) has raised questions about the possible existence of a C2 subclass of β-lactamases, previously identified as serine hydrolases. In a context of the clinical emergence of extended-spectrum AmpC β-lactamases (ESACs), the genetic modifications observed in vivo and in vitro (point mutations, insertions, or deletions) during the evolution of these enzymes have mostly involved the Ω- and H-10/R2-loops, which vary considerably between genera, and, in some cases, the conserved triplet ¹⁵⁰YXN. Furthermore, the conserved deletion of several amino-acid residues in opportunistic pathogenic species of Acinetobacter, such as A. baumannii, A. calcoaceticus, A. pittii and A. nosocomialis (deletion of residues 304-306), and in Hafnia alvei and H. paralvei (deletion of residues 289-290), provides support for the notion of natural ESACs. The emergence of higher levels of resistance to β-lactams, including carbapenems, and to inhibitors such as avibactam is a reality, as the enzymes responsible are subject to complex regulation encompassing several other genes (ampR, ampD, ampG, etc.). Combinations of resistance mechanisms may therefore be at work, including overproduction or change in permeability, with the loss of porins and/or activation of efflux systems.

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Arslan S, Ertürk HG. Occurrence, Virulence and Antimicrobial Susceptibility Profiles of Cronobacter spp. from Ready-to-Eat Foods. Curr Microbiol 2021;78:3403-3416. [PMID: 34241669 DOI: 10.1007/s00284-021-02585-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 06/17/2021] [Indexed: 10/20/2022]

Parra-Flores J, Holý O, Riffo F, Lepuschitz S, Maury-Sintjago E, Rodríguez-Fernández A, Cruz-Córdova A, Xicohtencatl-Cortes J, Mancilla-Rojano J, Troncoso M, Figueroa G, Ruppitsch W, Forsythe S. Profiling the Virulence and Antibiotic Resistance Genes of Cronobacter sakazakii Strains Isolated From Powdered and Dairy Formulas by Whole-Genome Sequencing. Front Microbiol 2021;12:694922. [PMID: 34276629 PMCID: PMC8278472 DOI: 10.3389/fmicb.2021.694922] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 06/03/2021] [Indexed: 11/13/2022] Open

Potential Mobilization of mcr-10 by an Integrative Mobile Element via Site-Specific Recombination in Cronobacter sakazakii. Antimicrob Agents Chemother 2021;65:AAC.01717-20. [PMID: 33199393 DOI: 10.1128/aac.01717-20] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Accepted: 11/10/2020] [Indexed: 02/05/2023] Open

Molecular Characterization of Cronobacter sakazakii Strains Isolated from Powdered Milk. Foods 2020;10:foods10010020. [PMID: 33374633 PMCID: PMC7822459 DOI: 10.3390/foods10010020] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 12/14/2020] [Accepted: 12/19/2020] [Indexed: 12/21/2022] Open

Jang H, Chase HR, Gangiredla J, Grim CJ, Patel IR, Kothary MH, Jackson SA, Mammel MK, Carter L, Negrete F, Finkelstein S, Weinstein L, Yan Q, Iversen C, Pagotto F, Stephan R, Lehner A, Eshwar AK, Fanning S, Farber J, Gopinath GR, Tall BD, Pava-Ripoll M. Analysis of the Molecular Diversity Among Cronobacter Species Isolated From Filth Flies Using Targeted PCR, Pan Genomic DNA Microarray, and Whole Genome Sequencing Analyses. Front Microbiol 2020;11:561204. [PMID: 33101235 PMCID: PMC7545074 DOI: 10.3389/fmicb.2020.561204] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Accepted: 09/03/2020] [Indexed: 11/17/2022] Open

Abstract

Cronobacter species are opportunistic pathogens capable of causing life-threatening infections in humans, with serious complications arising in neonates, infants, immuno-compromised individuals, and elderly adults. The genus is comprised of seven species: Cronobacter sakazakii, Cronobacter malonaticus, Cronobacter turicensis, Cronobacter muytjensii, Cronobacter dublinensis, Cronobacter universalis, and Cronobacter condimenti. Despite a multiplicity of genomic data for the genus, little is known about likely transmission vectors. Using DNA microarray analysis, in parallel with whole genome sequencing, and targeted PCR analyses, the total gene content of two C. malonaticus, three C. turicensis, and 14 C. sakazaki isolated from various filth flies was assessed. Phylogenetic relatedness among these and other strains obtained during surveillance and outbreak investigations were comparatively assessed. Specifically, microarray analysis (MA) demonstrated its utility to cluster strains according to species-specific and sequence type (ST) phylogenetic relatedness, and that the fly strains clustered among strains obtained from clinical, food and environmental sources from United States, Europe, and Southeast Asia. This combinatorial approach was useful in data mining for virulence factor genes, and phage genes and gene clusters. In addition, results of plasmidotyping were in agreement with the species identity for each strain as determined by species-specific PCR assays, MA, and whole genome sequencing. Microarray and BLAST analyses of Cronobacter fly sequence datasets were corroborative and showed that the presence and absence of virulence factors followed species and ST evolutionary lines even though such genes were orthologous. Additionally, zebrafish infectivity studies showed that these pathotypes were as virulent to zebrafish embryos as other clinical strains. In summary, these findings support a striking phylogeny amongst fly, clinical, and surveillance strains isolated during 2010–2015, suggesting that flies are capable vectors for transmission of virulent Cronobacter spp.; they continue to circulate among United States and European populations, environments, and that this “pattern of circulation” has continued over decades.

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Affiliation(s)

Hyein Jang Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
Hannah R Chase Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
Jayanthi Gangiredla Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
Christopher J Grim Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
Isha R Patel Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
Mahendra H Kothary Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
Scott A Jackson Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
Mark K Mammel Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
Laurenda Carter Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
Flavia Negrete Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
Samantha Finkelstein Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
Leah Weinstein Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
QiongQiong Yan WHO Collaborating Centre for Cronobacter, University College Dublin, Dublin, Ireland.,UCD Centre for Food Safety, School of Public Health, Physiotherapy and Population Science, University College Dublin, Dublin, Ireland
Carol Iversen WHO Collaborating Centre for Cronobacter, University College Dublin, Dublin, Ireland.,UCD Centre for Food Safety, School of Public Health, Physiotherapy and Population Science, University College Dublin, Dublin, Ireland
Franco Pagotto Food Directorate, Bureau of Microbial Hazards, Health Canada, Ottawa, ON, Canada
Roger Stephan Institute for Food Safety and Hygiene, University of Zürich, Zurich, Switzerland
Angelika Lehner Institute for Food Safety and Hygiene, University of Zürich, Zurich, Switzerland
Athmanya K Eshwar Institute for Food Safety and Hygiene, University of Zürich, Zurich, Switzerland
Seamus Fanning WHO Collaborating Centre for Cronobacter, University College Dublin, Dublin, Ireland.,UCD Centre for Food Safety, School of Public Health, Physiotherapy and Population Science, University College Dublin, Dublin, Ireland
Jeffery Farber Department of Food Science, University of Guelph, Guelph, ON, Canada
Gopal R Gopinath Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
Ben D Tall Center of Food Safety and Applied Nutrition, U. S. Food and Drug Administration, Laurel, MD, United States
Monica Pava-Ripoll Center of Food Safety and Applied Nutrition, U. S. Food & Drug Administration, College Park, MD, United States

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Carvalho GG, Calarga AP, Teodoro JR, Queiroz MM, Astudillo-Trujillo CA, Levy CE, Brocchi M, Kabuki DY. Isolation, comparison of identification methods and antibiotic resistance of Cronobacter spp. in infant foods. Food Res Int 2020;137:109643. [PMID: 33233222 DOI: 10.1016/j.foodres.2020.109643] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 06/25/2020] [Accepted: 08/21/2020] [Indexed: 01/10/2023]

Costa PV, Vasconcellos L, da Silva IC, Medeiros VDM, Forsythe SJ, Brandão MLL. Multi-locus sequence typing and antimicrobial susceptibility profile of Cronobacter sakazakii and Cronobacter malonaticus isolated from corn-based farinaceous foods commercialized in Brazil. Food Res Int 2020;129:108805. [DOI: 10.1016/j.foodres.2019.108805] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 11/01/2019] [Accepted: 11/04/2019] [Indexed: 12/17/2022]

Lepuschitz S, Ruppitsch W, Pekard-Amenitsch S, Forsythe SJ, Cormican M, Mach RL, Piérard D, Allerberger F. Multicenter Study of Cronobacter sakazakii Infections in Humans, Europe, 2017. Emerg Infect Dis 2019;25:515-522. [PMID: 30789137 PMCID: PMC6390735 DOI: 10.3201/eid2503.181652] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open

Li C, Zeng H, Zhang J, He W, Ling N, Chen M, Wu S, Lei T, Wu H, Ye Y, Ding Y, Wang J, Wei X, Zhang Y, Wu Q. Prevalence, Antibiotic Susceptibility, and Molecular Characterization of Cronobacter spp. Isolated From Edible Mushrooms in China. Front Microbiol 2019;10:283. [PMID: 30863374 PMCID: PMC6399401 DOI: 10.3389/fmicb.2019.00283] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Accepted: 02/04/2019] [Indexed: 12/12/2022] Open

Abstract

Cronobacter spp. are foodborne pathogens that can infect and cause life-threatening diseases in all age groups, particularly in infants and immunocompromised elderly. This study aimed to investigate the prevalence, antibiotic susceptibility, and molecular characteristics of Cronobacter spp. isolates in edible mushrooms collected from 44 cities in China. In total, 668 edible mushrooms were collected from traditional retail markets and supermarkets and were analyzed by quantitative methods, PCR-based serotyping, multilocus sequence typing (MLST), and antibiotic susceptibility testing. Among the 668 samples tested, 89 (13.32%) were positive for Cronobacter spp., and the contamination levels exceeded the 110 most probable number (MPN)/g in 13.48% (12/89) of the samples. Flammulina velutipes samples had the highest contamination rate of 17.54% (37/211), whereas Hypsizygus marmoreus samples had the lowest contamination rate of 3.28% (2/61). Ten serotypes were identified among 115 isolates, of which the C. sakazakii serogroup O1 (n = 32) was the primary serotype. MLST indicated that there was quite high genetic diversity in Cronobacter spp. and 72 sequence types were identified, 17 of which were new. Notably, C. sakazakii ST148 (n = 10) was the most prevalent, followed by C. malonaticus ST7 (n = 5). Antibiotic susceptibility testing revealed that the majority of Cronobacter spp. strains were susceptible to the 16 antibiotics tested. However, a portion of isolates exhibited relatively high resistance to cephalothin, with resistance and intermediate rates of 93.91 and 6.09%, respectively. One isolate (cro300A) was multidrug-resistant, with resistance to five antibiotics. Overall, this large-scale study revealed the relatively high prevalence and high genetic diversity of Cronobacter spp. on edible mushrooms in China, indicating a potential public health concern. To our knowledge, this is the first large-scale and systematic study on the prevalence of Cronobacter spp. on edible mushrooms in China, and the findings can provide valuable information that can guide the establishment of effective measures for the control and precaution of Cronobacter spp on edible mushrooms during production processes.

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Affiliation(s)

Chengsi Li State Key Laboratory of Applied Microbiology South China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, China
Haiyan Zeng State Key Laboratory of Applied Microbiology South China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, China
Jumei Zhang State Key Laboratory of Applied Microbiology South China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, China
Wenjing He State Key Laboratory of Applied Microbiology South China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, China
Na Ling State Key Laboratory of Applied Microbiology South China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, China
Moutong Chen State Key Laboratory of Applied Microbiology South China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, China
Shi Wu State Key Laboratory of Applied Microbiology South China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, China
Tao Lei State Key Laboratory of Applied Microbiology South China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, China
Haoming Wu State Key Laboratory of Applied Microbiology South China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, China
Yingwang Ye State Key Laboratory of Applied Microbiology South China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, China
Yu Ding Department of Food Science and Technology, Jinan University, Guangzhou, China
Juan Wang College of Food Science, South China Agricultural University, Guangzhou, China
Xianhu Wei State Key Laboratory of Applied Microbiology South China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, China
Youxiong Zhang State Key Laboratory of Applied Microbiology South China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, China
Qingping Wu State Key Laboratory of Applied Microbiology South China, Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application, Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou, China

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Silva JN, Vasconcellos L, Forsythe SJ, de Filippis I, Luiz Lima Brandão M. Molecular and phenotypical characterization ofCronobacterspecies isolated with high occurrence from oats and linseeds. FEMS Microbiol Lett 2018;366:5266300. [DOI: 10.1093/femsle/fny289] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 12/14/2018] [Indexed: 12/19/2022] Open

Vasconcellos L, Carvalho CT, Tavares RO, de Mello Medeiros V, de Oliveira Rosas C, Silva JN, dos Reis Lopes SM, Forsythe SJ, Brandão MLL. Isolation, molecular and phenotypic characterization of Cronobacter spp. in ready-to-eat salads and foods from Japanese cuisine commercialized in Brazil. Food Res Int 2018;107:353-359. [DOI: 10.1016/j.foodres.2018.02.048] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2017] [Revised: 02/14/2018] [Accepted: 02/18/2018] [Indexed: 11/15/2022]

Virulent and pathogenic features on the Cronobacter sakazakii polymyxin resistant pmr mutant strain s-3. Microb Pathog 2017;110:359-364. [DOI: 10.1016/j.micpath.2017.07.022] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Revised: 07/11/2017] [Accepted: 07/11/2017] [Indexed: 11/18/2022]

Shi L, Liang Q, Zhan Z, Feng J, Zhao Y, Chen Y, Huang M, Tong Y, Wu W, Chen W, Li X, Yin Z, Wang J, Zhou D. Co-occurrence of 3 different resistance plasmids in a multi-drug resistant Cronobacter sakazakii isolate causing neonatal infections. Virulence 2017;9:110-120. [PMID: 28771073 PMCID: PMC5955447 DOI: 10.1080/21505594.2017.1356537] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open

Tamigniau A, Vanhaecke J, Saegeman V. Cronobacter sakazakii bacteremia in a heart transplant patient with polycystic kidney disease. Transpl Infect Dis 2015;17:921-5. [PMID: 26436411 DOI: 10.1111/tid.12466] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Revised: 07/01/2015] [Accepted: 09/06/2015] [Indexed: 11/27/2022]

Feeney A, Kropp KA, O’Connor R, Sleator RD. Cronobacter sakazakii: stress survival and virulence potential in an opportunistic foodborne pathogen. Gut Microbes 2015;5:711-8. [PMID: 25562731 PMCID: PMC4615781 DOI: 10.4161/19490976.2014.983774] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open