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Ahammad I, Bushra Lamisa A, Sharmin S, Bhattacharjee A, Mahmud Chowdhury Z, Ahamed T, Uzzal Hossain M, Chandra Das K, Salimullah M, Ara Keya C. Subtractive genomics study for the identification of therapeutic targets against Cronobacter sakazakii: A threat to infants. Heliyon 2024; 10:e30332. [PMID: 38707387 PMCID: PMC11066692 DOI: 10.1016/j.heliyon.2024.e30332] [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: 06/04/2023] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 05/07/2024] Open
Abstract
Cronobacter sakazakii is an opportunistic pathogen that has been associated with severe infection in neonates such as necrotizing enterocolitis (NEC), neonatal meningitis, and bacteremia. This pathogen can survive in a relatively dry environment, especially in powdered infant formula (PIF). Unfortunately, conventional drugs that were once effective against C. sakazakii are gradually losing their efficacy due to rising antibiotic resistance. In this study, a subtractive genomic approach was followed in order to identify potential therapeutic targets in the pathogen. The whole proteome of the pathogen was filtered through a step-by-step process, which involved removing paralogous proteins, human homologs, sequences that are less essential for survival, proteins with shared metabolic pathways, and proteins that are located in cells other than the cytoplasmic membrane. As a result, nine novel drug targets were identified. Further, the analysis also unveiled that the FDA-approved drug Terbinafine can be repurposed against the Glutathione/l-cysteine transport system ATP-binding/permease protein CydC of C. sakazakii. Moreover, molecular docking and dynamics studies of Terbinafine and CydC suggested that this drug can be used to treat C. sakazakii infection in neonates. However, for clinical purposes further in vitro and in vivo studies are necessary.
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Affiliation(s)
- Ishtiaque Ahammad
- Bioinformatics Division, National Institute of Biotechnology, Ganakbari, Ashulia, Savar, Dhaka, 1349, Bangladesh
| | - Anika Bushra Lamisa
- Bioinformatics Division, National Institute of Biotechnology, Ganakbari, Ashulia, Savar, Dhaka, 1349, Bangladesh
- Department of Biochemistry and Microbiology, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Sadia Sharmin
- Department of Biotechnology & Genetic Engineering, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
| | - Arittra Bhattacharjee
- Bioinformatics Division, National Institute of Biotechnology, Ganakbari, Ashulia, Savar, Dhaka, 1349, Bangladesh
| | - Zeshan Mahmud Chowdhury
- Bioinformatics Division, National Institute of Biotechnology, Ganakbari, Ashulia, Savar, Dhaka, 1349, Bangladesh
| | - Tanvir Ahamed
- Department of Biotechnology & Genetic Engineering, Jahangirnagar University, Savar, Dhaka, 1342, Bangladesh
| | - Mohammad Uzzal Hossain
- Bioinformatics Division, National Institute of Biotechnology, Ganakbari, Ashulia, Savar, Dhaka, 1349, Bangladesh
| | - Keshob Chandra Das
- Molecular Biotechnology Division, National Institute of Biotechnology, Ganakbari, Ashulia, Savar, Dhaka, 1349, Bangladesh
| | - Md Salimullah
- Molecular Biotechnology Division, National Institute of Biotechnology, Ganakbari, Ashulia, Savar, Dhaka, 1349, Bangladesh
| | - Chaman Ara Keya
- Department of Biochemistry and Microbiology, North South University, Bashundhara, Dhaka, 1229, Bangladesh
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2
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Zhang Y, Liao X, Yu G, Wei J, Wang P, Wang Y, Jing Y, Wang J, Chen P, Wang J, Wang H, Wang Y. Phage-Displayed Nanobody as a Sensitive Nanoprobe to Enhance Chemiluminescent Immunoassay for Cronobacter sakazakii Detection in Dairy Products. Anal Chem 2023; 95:13698-13707. [PMID: 37635301 DOI: 10.1021/acs.analchem.3c02990] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
Abstract
The exploitation of stable, high-affinity, and low-cost nanoprobes is essential to develop immunoassays for real-time monitoring of foodborne pathogens, so as to safeguard human health. The possible interaction of the Fc fragment of antibodies with spA protein on Staphylococcus aureus will result in unexpected interference. To address this consideration, we described herein for the first time the development of nanobodies that by definition are devoid of the Fc fraction. These nanobodies directed against Cronobacter sakazakii (C. sakazakii) were retrieved from a dedicated immune phage-displayed nanobody library. The binders showed superiority of low cost, strong stability, high binding affinity, and adequate load capacity. Thereafter, a phage-mediated sandwich enzyme-linked immunosorbent assay (ELISA) was constructed by using Cs-Nb2 as an antigen-capturing antibody and phage-displayed Cs-Nb1 as a detection probe. To further enhance the sensitivity, a chemiluminescent enzyme immunoassay (CISA) was established by replacing the substrate from 3,3',5,5'-tetramethylbenzidine (TMB) to luminol, providing a limit of detection of 1.04 × 104 CFU/mL, with a recovery of 98.15-114.63% for the detection of C. sakazakii in dairy products. The proposed nanobody-based phage-mediated sandwich CLISA shows various advantages, including high sensitivity, cost effectiveness, enhanced loading capacity of the enzyme, and high resistance to the matrix effect, providing a strategy for the design of immunoassays toward foodborne pathogens.
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Affiliation(s)
- Yao Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xingrui Liao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Gege Yu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Juan Wei
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Peng Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yueqi Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yinnan Jing
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Jiamin Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Pengyu Chen
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Jianlong Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Hong Wang
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Yanru Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
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3
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Mousavi ZE, Hunt K, Koolman L, Butler F, Fanning S. Cronobacter Species in the Built Food Production Environment: A Review on Persistence, Pathogenicity, Regulation and Detection Methods. Microorganisms 2023; 11:1379. [PMID: 37374881 DOI: 10.3390/microorganisms11061379] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/17/2023] [Accepted: 05/22/2023] [Indexed: 06/29/2023] Open
Abstract
The powdered formula market is large and growing, with sales and manufacturing increasing by 120% between 2012 and 2021. With this growing market, there must come an increasing emphasis on maintaining a high standard of hygiene to ensure a safe product. In particular, Cronobacter species pose a risk to public health through their potential to cause severe illness in susceptible infants who consume contaminated powdered infant formula (PIF). Assessment of this risk is dependent on determining prevalence in PIF-producing factories, which can be challenging to measure with the heterogeneity observed in the design of built process facilities. There is also a potential risk of bacterial growth occurring during rehydration, given the observed persistence of Cronobacter in desiccated conditions. In addition, novel detection methods are emerging to effectively track and monitor Cronobacter species across the food chain. This review will explore the different vehicles that lead to Cronobacter species' environmental persistence in the food production environment, as well as their pathogenicity, detection methods and the regulatory framework surrounding PIF manufacturing that ensures a safe product for the global consumer.
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Affiliation(s)
- Zeinab Ebrahimzadeh Mousavi
- UCD-Centre for Food Safety, School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 V1W8 Dublin, Ireland
- School of Biosystems and Food Engineering, University College Dublin, Belfield, Dublin 4, D04 V1W8 Dublin, Ireland
- Department of Food Science and Engineering, Faculties of Agriculture and Natural Resources, University of Tehran, Karaj 6719418314, Iran
| | - Kevin Hunt
- School of Biosystems and Food Engineering, University College Dublin, Belfield, Dublin 4, D04 V1W8 Dublin, Ireland
| | - Leonard Koolman
- UCD-Centre for Food Safety, School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 V1W8 Dublin, Ireland
| | - Francis Butler
- School of Biosystems and Food Engineering, University College Dublin, Belfield, Dublin 4, D04 V1W8 Dublin, Ireland
| | - Séamus Fanning
- UCD-Centre for Food Safety, School of Public Health, Physiotherapy and Sports Science, University College Dublin, D04 V1W8 Dublin, Ireland
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Zufüttern zum Stillen bei reifen Neugeborenen in der ersten Lebenswoche und alimentäre Allergieprävention bei nichtgestillten Säuglingen. Monatsschr Kinderheilkd 2023. [DOI: 10.1007/s00112-023-01725-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2023]
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5
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Sawale M, Ozadali F, Valentine CJ, Benyathiar P, Drolia R, Mishra DK. Impact of bovine lactoferrin fortification on pathogenic organisms to attenuate the risk of infection for infants. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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6
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Shang Y, Ye Q, Wu Q, Pang R, Zhou B, Wang C, Xiang X, Li F, Wang J, Zhang Y, Wang J, Sun X, Zhang J. PCR and multiplex PCR assays for the detection of Cronobacter species using specific targets obtained by a bioinformatics approach. Food Control 2021. [DOI: 10.1016/j.foodcont.2021.107896] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Cetin‐Karaca H, Morgan MC. Antimicrobial efficacy of cinnamaldehyde, chitosan and high pressure processing against
Cronobacter sakazakii
in infant formula. J Food Saf 2020. [DOI: 10.1111/jfs.12845] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Hayriye Cetin‐Karaca
- Department of Animal and Food Sciences University of Kentucky Lexington Kentucky USA
| | - Melissa C. Morgan
- Department of Animal and Food Sciences University of Kentucky Lexington Kentucky USA
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8
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Odeyemi OA, Abdullah Sani N. Antibiotic resistance, putative virulence factors and curli fimbrination among Cronobacter species. Microb Pathog 2019; 136:103665. [PMID: 31404630 DOI: 10.1016/j.micpath.2019.103665] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 08/09/2019] [Accepted: 08/09/2019] [Indexed: 01/27/2023]
Abstract
This study aimed to investigate antibiotic resistance and putative virulence factors among Cronobacter sakazakii isolated from powdered infant formula and other sources. The following 9 cultures (CR1-9) were collected from our culture collection: C. sakazakii and 3 Cronobacter species: C. sakazakii ATCC® 29544™, C. muytjensii ATCC® 51329™, C. turicensis E866 were used in this study. Isolates were subjected to antibiotic susceptibility and the following virulence factors (protease, DNase, haemolysin, gelatinase, motility and biofilm formation) using phenotypic methods. All the bacteria were able to form biofilm on agar at 37 °C and were resistant to ampicillin, erythromycin, fosfomycin and sulphamethoxazole. It was observed from this study that tested strains formed weak and strong biofilm with violet dry and rough (rdar), brown dry and rough (bdar), red mucoid and smooth (rmas) colony morphotypes on Congo red agar. Rdar expresses curli and fimbriae, while bdar expresses curli. Both biofilm colony morphotypes are commonly found in Enterobacteriaceae including Salmonella species. This study also reveals a new colony morphotypes in Cronobacter species. Conclusively, there was correlation between putative virulence factors and antibiotic resistance among the tested bacteria. Further study on virulence and antibiotic resistance genes is hereby encouraged.
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Affiliation(s)
- O A Odeyemi
- Aquaculture Microbiology Laboratory, Ecology and Biodiversity Centre, Institute for Marine and Antarctic Studies, University of Tasmania, Launceston, Australia; Food Safety, Security and Quality Research Group, Centre for Biotechnology and Functional Food, Faculty of Science and Technology, National University of Malaysia (UKM), Bangi, 43600, Selangor, Malaysia
| | - N Abdullah Sani
- Food Safety, Security and Quality Research Group, Centre for Biotechnology and Functional Food, Faculty of Science and Technology, National University of Malaysia (UKM), Bangi, 43600, Selangor, Malaysia.
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Aly MA, Reimhult E, Kneifel W, Domig KJ. Characterization of Biofilm Formation by Cronobacter spp. Isolates of Different Food Origin under Model Conditions. J Food Prot 2019; 82:65-77. [PMID: 30702944 DOI: 10.4315/0362-028x.jfp-18-036] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Cronobacter spp. are opportunistic human pathogens that cause serious diseases in neonates and immunocompromised people. Owing to their biofilm formation on various surfaces, both their detection and their removal from production plants constitute a major challenge. In this study, food samples were randomly collected in Austria and examined for the presence of Cronobacter spp. Presumptive isolates were identified by a polyphasic approach. Five percent of the samples were positive for C. sakazakii and 2.4% for C. dublinensis. Individual growth of the isolates was characterized based on lag time, growth rate, and generation time. During an incubation period of 6 to 72 h, biofilm formation of 11 selected isolates was quantified under model conditions by a crystal violet staining assay with 96-well plates with different carbon sources (lactose, glucose, maltose, sucrose, and sodium acetate) and NaCl levels and under variable temperature and pH conditions. Biofilm formation was more pronounced at lactose concentrations between 0.25 and 3% compared with 5% lactose, which lead to thinner layers. C. sakazakii isolate C7, isolated from infant milk powder, was the strongest biofilm producer at 10 mM Mg2+ and 5 mM Mn2+, 0.5% sodium acetate, at pH levels between 7 and 9 at 37°C for 24 h. C. sakazakii strain C6 isolated from a plant air filter was identified as a moderate biofilm former and C. sakazakii strain DSM 4485, a clinical isolate, as a weak biofilm former. Based on PCR detection, genes bcsA, bcsB, and bcsG encoding for cellulose could be identified as markers for biofilm formation. Isolates carrying bcsA and bcsB showed significantly stronger biofilm formation than isolates without these genes ( P < 0.05), in strong correlation with the results obtained in the crystal violet assay. Further investigations using confocal laser scanning microscopy revealed that extracellular polymeric substances and glycocalyx secretions were the dominating components of the biofilms and that the viable fraction of bacteria in the biofilm decreased over time.
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Affiliation(s)
- Mohamed A Aly
- 1 Department of Food Science and Technology, Institute of Food Science, University of Natural Resources and Life Sciences, A-1190 Vienna, Austria.,2 Department of Food Science, Faculty of Agriculture, Ain Shams University, Cairo, Egypt.,3 Department of Nanobiotechnology, Institute for Biologically Inspired Materials, BOKU - University of Natural Resources and Life Sciences, A-1190 Vienna, Austria (ORCID: http://orcid.org/0000-0003-1090-4284 [K.J.D.])
| | - Erik Reimhult
- 3 Department of Nanobiotechnology, Institute for Biologically Inspired Materials, BOKU - University of Natural Resources and Life Sciences, A-1190 Vienna, Austria (ORCID: http://orcid.org/0000-0003-1090-4284 [K.J.D.])
| | - Wolfgang Kneifel
- 1 Department of Food Science and Technology, Institute of Food Science, University of Natural Resources and Life Sciences, A-1190 Vienna, Austria
| | - Konrad J Domig
- 1 Department of Food Science and Technology, Institute of Food Science, University of Natural Resources and Life Sciences, A-1190 Vienna, Austria
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10
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Cetin-Karaca H, Morgan MC. Inactivation of Bacillus cereus spores in infant formula by combination of high pressure and trans-cinnamaldehyde. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2018.07.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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11
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El‐Zamkan MA, Mohamed HM. Molecular detection ofEnterobacterspp. and other related species in powdered milk infant formula and milk powder. J Food Saf 2018. [DOI: 10.1111/jfs.12538] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Mona A. El‐Zamkan
- Department of Food Hygiene and ControlFaculty of Veterinary Medicine, South Valley UniversityQenaEgypt
| | - Hams M.A. Mohamed
- Department of MicrobiologyFaculty of Veterinary Medicine, South Valley UniversityQenaEgypt
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12
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Pan R, Jiang Y, Sun L, Wang R, Zhuang K, Zhao Y, Wang H, Ali MA, Xu H, Man C. Gold nanoparticle-based enhanced lateral flow immunoassay for detection of Cronobacter sakazakii in powdered infant formula. J Dairy Sci 2018; 101:3835-3843. [DOI: 10.3168/jds.2017-14265] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2017] [Accepted: 01/10/2018] [Indexed: 01/23/2023]
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13
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Lang E, Guyot S, Peltier C, Alvarez-Martin P, Perrier-Cornet JM, Gervais P. Cellular Injuries in Cronobacter sakazakii CIP 103183T and Salmonella enterica Exposed to Drying and Subsequent Heat Treatment in Milk Powder. Front Microbiol 2018; 9:475. [PMID: 29593704 PMCID: PMC5859370 DOI: 10.3389/fmicb.2018.00475] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2017] [Accepted: 02/28/2018] [Indexed: 11/30/2022] Open
Abstract
Because of the ability of foodborne pathogens to survive in low-moisture foods, their decontamination is an important issue in food protection. This study aimed to clarify some of the cellular mechanisms involved in inactivation of foodborne pathogens after drying and subsequent heating. Individual strains of Salmonella Typhimurium, Salmonella Senftenberg, and Cronobacter sakazakii were mixed into whole milk powder and dried to different water activity levels (0.25 and 0.58); the number of surviving cells was determined after drying and subsequent thermal treatments in closed vessels at 90 and 100°C, for 30 and 120 s. For each condition, the percentage of unculturable cells was estimated and, in parallel, membrane permeability and respiratory activity were estimated by flow cytometry using fluorescent probes. After drying, it was clearly observable that the percentage of unculturable cells was correlated with the percentage of permeabilized cells (responsible for 20–40% of the total inactivated bacteria after drying), and to a lesser degree with the percentage of cells presenting with loss of respiratory activity. In contrast, the percentages of unculturable cells observed after heat treatment were strongly correlated with the loss of respiratory activity and weakly with membrane permeability (for 70–80% of the total inactivated bacteria after heat treatment). We conclude that cell inactivation during drying is closely linked to membrane permeabilization and that heat treatment of dried cells affects principally their respiratory activity. These results legitimize the use of time–temperature scales and allow better understanding of the cellular mechanisms of bacterial death during drying and subsequent heat treatment. These results may also allow better optimization of the decontamination process to ensure food safety by targeting the most deleterious conditions for bacterial cells without denaturing the food product.
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Affiliation(s)
- Emilie Lang
- UMR PAM A 02.102 Procédés Alimentaires et Microbiologiques, Université de Bourgogne Franche-Comté/AgroSup Dijon, Dijon, France.,Novolyze, Daix, France
| | - Stéphane Guyot
- UMR PAM A 02.102 Procédés Alimentaires et Microbiologiques, Université de Bourgogne Franche-Comté/AgroSup Dijon, Dijon, France
| | - Caroline Peltier
- UMR PAM A 02.102 Procédés Alimentaires et Microbiologiques, Université de Bourgogne Franche-Comté/AgroSup Dijon, Dijon, France
| | | | - Jean-Marie Perrier-Cornet
- UMR PAM A 02.102 Procédés Alimentaires et Microbiologiques, Université de Bourgogne Franche-Comté/AgroSup Dijon, Dijon, France
| | - Patrick Gervais
- UMR PAM A 02.102 Procédés Alimentaires et Microbiologiques, Université de Bourgogne Franche-Comté/AgroSup Dijon, Dijon, France
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Tutar E, Akıncı KS, Akyol İ. Development and application of a new multiplex real-time PCR assay for simultaneous identification of Brucella melitensis
, Cronobacter sakazakii
and Listeria monocytogenes
in raw milk and cheese. INT J DAIRY TECHNOL 2018. [DOI: 10.1111/1471-0307.12500] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- Esen Tutar
- Science and Letters Faculty; Kahramanmaraş Sütçü İmam University; 46060/Avşar Campus Kahramanmaraş Turkey
| | - Kübra Sueda Akıncı
- Health Sciences University; Health Sciences Faculty; Department of Nutrition and Dietetics; 34668/Üsküdar İstanbul Turkey
| | - İsmaİl Akyol
- Agricultural Biotechnology Department; Agriculture Faculty; Kahramanmaraş Sütçü İmam University; 46060/Avşar Campus Kahramanmaraş Turkey
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15
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Brandão MLL, Umeda NS, Filippis ID. Cronobacter spp.: infecções, ocorrência e regulação em alimentos ‒ uma revisão no Brasil. BRAZILIAN JOURNAL OF FOOD TECHNOLOGY 2017. [DOI: 10.1590/1981-6723.7417] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Resumo Cronobacter é uma bactéria oportunista, associada a infecções em neonatos devido ao consumo de fórmulas infantis desidratadas. Atualmente, sabe-se que Cronobacter pode causar infecções em indivíduos de qualquer idade, sendo, em idosos, a sua maior prevalência, e a infecção urinária, a síndrome mais comum neste grupo. A identificação de fórmulas infantis desidratadas como veículo de contaminação em casos de meningite causada por Cronobacter em neonatos levou as agências de regulação a criarem medidas específicas para o controle destes patógenos nestes produtos. Uma revisão bibliográfica foi realizada sobre a epidemiologia das infecções por Cronobacter, a ocorrência do patógeno e a regulação na área de alimentos no Brasil. Constatou-se que casos de infecções foram reportados no país no período de 1997-2013, com maior ocorrência em neonatos. O número preciso de casos não pôde ser determinado e, em alguns dos relatos, a identificação fidedigna dos micro-organismos pode ser questionável. Na maioria dos casos relatados o veículo de contaminação não foi investigado ou não pôde ser determinado. Já ocorreram relatos da contaminação de amostras de fórmulas infantis desidratadas comercializadas no Brasil por Cronobacter, mas sua ocorrência parece ter sido reduzida após a adoção de medidas sanitárias mais rígidas pelos órgãos reguladores. Cronobacter também foi isolada de temperos e condimentos, farinhas, queijo e misturas de cereais para crianças; destas amostras, quatro espécies foram identificadas: C. sakazakii, C. malonaticus, C. dublinensis e C. muytjensii. A presença do patógeno em diferentes classes de alimentos é preocupante pois pode representar um risco caso sejam consumidos por indivíduos pertencentes a algum grupo de risco (neonatos e idosos). O incentivo à realização de pesquisas sobre a epidemiologia do gênero Cronobacter é importante para identificar as classes de alimentos que podem atuar como veículo de contaminação e a real prevalência das infecções no Brasil.
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16
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Hu S, Yu Y, Wu X, Xia X, Xiao X, Wu H. Simultaneous detection and identification of pathogenic Cronobacter
species by high-resolution melting analysis in powdered infant formulas. INT J DAIRY TECHNOL 2017. [DOI: 10.1111/1471-0307.12410] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Shuangfang Hu
- School of Food Science and Engineering; South China University of Technology; Guangzhou Guangdong 510640 China
| | - Yigang Yu
- School of Food Science and Engineering; South China University of Technology; Guangzhou Guangdong 510640 China
| | - Xinwei Wu
- Department of Microbiology; Guangzhou Center for Disease Control and Prevention; Qide Road No. 2 Guangzhou Guangdong 510440 China
| | - Xingzhou Xia
- College of Food Science and Technology; Guangdong Ocean University; Zhanjiang Guangdong 524088 China
| | - Xinglong Xiao
- School of Food Science and Engineering; South China University of Technology; Guangzhou Guangdong 510640 China
| | - Hui Wu
- School of Food Science and Engineering; South China University of Technology; Guangzhou Guangdong 510640 China
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17
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van Asselt ED, van der Fels-Klerx H, Marvin H, van Bokhorst-van de Veen H, Groot MN. Overview of Food Safety Hazards in the European Dairy Supply Chain. Compr Rev Food Sci Food Saf 2016; 16:59-75. [DOI: 10.1111/1541-4337.12245] [Citation(s) in RCA: 88] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2016] [Revised: 10/28/2016] [Accepted: 10/31/2016] [Indexed: 01/02/2023]
Affiliation(s)
- E. D. van Asselt
- RIKILT-Wageningen Univ. & Research; P.O. Box 230 6700 AE Wageningen the Netherlands
| | | | - H.J.P. Marvin
- RIKILT-Wageningen Univ. & Research; P.O. Box 230 6700 AE Wageningen the Netherlands
| | | | - M. Nierop Groot
- Wageningen Food & Biobased Research; P.O. Box 17 6700 AA Wageningen the Netherlands
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18
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Song X, Shukla S, Lee G, Park S, Kim M. Detection of Cronobacter Genus in Powdered Infant Formula by Enzyme-linked Immunosorbent Assay Using Anti-Cronobacter Antibody. Front Microbiol 2016; 7:1124. [PMID: 27493642 PMCID: PMC4955378 DOI: 10.3389/fmicb.2016.01124] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Accepted: 07/06/2016] [Indexed: 11/13/2022] Open
Abstract
Cronobacter species (Cronobacter spp.) are hazardous foodborne pathogens associated with baby food, powdered infant formula (PIF). To develop a rapid and sensitive method for simultaneous detection of seven Cronobacter spp. in PIF, an indirect non-competitive enzyme-linked immunosorbent assay (INC-ELISA) was developed based on a novel immunoglobulin G (IgG), anti-Cronobacter IgG. The developed INC-ELISA was able to detect seven Cronobacter spp. at concentrations ranging from (5.6 ± 0.30) × 10(3) to (2.1 ± 0.01) × 10(5) colony forming unit (CFU)/mL in pure culture. Further, INC-ELISA employing anti-Cronobacter IgG was applicable for analysis of PIF samples contaminated with less than <10 cells of Cronobacter spp. per 25 g of PIF in 36 h. The developed antibody showed slight cross-reactivity with Franconibacter pulveris (LMG 24057) at high concentration (10(8) CFU/mL). The INC-ELISA method displayed excellent specificity without compromising cross-reactivity with other foodborne pathogens. The INC-ELISA assay method developed in this study using a novel anti-Cronobacter IgG facilitated highly sensitive, efficient, and rapid detection of Cronobacter spp. in baby food.
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Affiliation(s)
- Xinjie Song
- Department of Food Science and Technology, Yeungnam University Gyeongsan, South Korea
| | - Shruti Shukla
- Department of Food Science and Technology, Yeungnam University Gyeongsan, South Korea
| | - Gibaek Lee
- Department of Food Science and Technology, Yeungnam University Gyeongsan, South Korea
| | - Sunhyun Park
- Food Standard Research Center, Korea Food Research Institute Seongnam, South Korea
| | - Myunghee Kim
- Department of Food Science and Technology, Yeungnam University Gyeongsan, South Korea
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Odeyemi OA, Sani NA. The prevention of Cronobacter infections in hospital neonatal intensive care units. J Infect Public Health 2016; 9:110-2. [DOI: 10.1016/j.jiph.2015.06.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 06/04/2015] [Accepted: 06/23/2015] [Indexed: 11/27/2022] Open
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20
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Torlak E, Gökmen M, Aydemir S. Efficacy of disinfectants againstCronobacterbiofilm on plastic surfaces. QUALITY ASSURANCE AND SAFETY OF CROPS & FOODS 2015. [DOI: 10.3920/qas2014.0423] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- E. Torlak
- Necmettin Erbakan University, Faculty of Science, Department of Molecular Biology and Genetics, 42090 Konya, Turkey
| | - M. Gökmen
- Balıkesir University, Faculty of Veterinary, Department of Food Hygiene and Technology, 10145 Balıkesir, Turkey
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21
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Novel approaches to improve the intrinsic microbiological safety of powdered infant milk formula. Nutrients 2015; 7:1217-44. [PMID: 25685987 PMCID: PMC4344585 DOI: 10.3390/nu7021217] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2014] [Accepted: 01/29/2015] [Indexed: 02/07/2023] Open
Abstract
Human milk is recognised as the best form of nutrition for infants. However; in instances where breast-feeding is not possible, unsuitable or inadequate, infant milk formulae are used as breast milk substitutes. These formulae are designed to provide infants with optimum nutrition for normal growth and development and are available in either powdered or liquid forms. Powdered infant formula is widely used for convenience and economic reasons. However; current manufacturing processes are not capable of producing a sterile powdered infant formula. Due to their immature immune systems and permeable gastro-intestinal tracts, infants can be more susceptible to infection via foodborne pathogenic bacteria than other age-groups. Consumption of powdered infant formula contaminated by pathogenic microbes can be a cause of serious illness. In this review paper, we discuss the current manufacturing practices present in the infant formula industry, the pathogens of greatest concern, Cronobacter and Salmonella and methods of improving the intrinsic safety of powdered infant formula via the addition of antimicrobials such as: bioactive peptides; organic acids; probiotics and prebiotics.
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22
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Torlak E, Gökmen M, Aydemir S. Efficacy of disinfectants against <i>Cronobacter</i> biofilm on plastic surfaces. QUALITY ASSURANCE AND SAFETY OF CROPS & FOODS 2015. [DOI: 10.3920/qas2013.0423] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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23
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Immunochromatographic strip for rapid detection of Cronobacter in powdered infant formula in combination with silica-coated magnetic nanoparticles separation and 16S rRNA probe. Biosens Bioelectron 2014; 61:306-13. [DOI: 10.1016/j.bios.2014.05.033] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Accepted: 05/13/2014] [Indexed: 01/23/2023]
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24
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Song X, Shukla S, Oh S, Kim Y, Kim M. Development of fluorescence-based liposome immunoassay for detection of Cronobacter muytjensii in pure culture. Curr Microbiol 2014; 70:246-52. [PMID: 25300633 DOI: 10.1007/s00284-014-0708-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2014] [Accepted: 08/25/2014] [Indexed: 11/30/2022]
Abstract
Cronobacter spp. are important foodborne pathogens that carry a very high risk of infection to neonates as well as immunocompromised individuals. In the present study, fluorescence-based liposome immunoassay was developed as a new sensitive and rapid diagnostic system for detection of Cronobacter muytjensii (C. muytjensii). Liposomes (size, 206 nm) used in this study were made from cholesterol, 1,2-dipalmitoyl-sn-glycero-3-phosphocholine, 1,2-dipalmitoyl-sn-glycero-3-phosphoethanolamine, 1,2-dipalmitoyl-sn-glycero-3-[phospho-rac-(1-glycerol)], and sulforhodamine B (SRB). The outer surface of liposome was conjugated with rabbit anti-C. muytjensii IgG in order to develop immunoliposome. The immunoliposome was incubated with C. muytjensii, which was coated on a 96-well plate. Immunoliposomes bound to C. muytjensii were lysed with 30 mM octyl β-D-glucopyranoside, after which the SRB fluorescence signal was measured at an excitation wavelength of 550 nm and emission wavelength of 585 nm. The signal was directly proportional to the amount of bacterial cells in the test sample. The developed fluorescence-based liposome immunoassay was confirmed to be highly specific to C. muytjensii with a detection limit of 6.3 × 10(4) CFU ml(-1) in pure culture as well as sensitive, efficient, and rapid when compared to culture-based methods. Based on its rapid efficiency and low cost, this fluorescence-based liposome immunoassay may be used to develop diagnostic kits for C. muytjensii detection.
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Affiliation(s)
- Xinjie Song
- Department of Food Science and Technology, Yeungnam University, Gyeongsan, 712-749, Republic of Korea
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Al-Holy MA, Sabbah K, Osaili TM, Qatatsheh AA. Inactivation of C
ronobacter sakazakii
in Infant Formula and Infant Cereals Using Chitosan and Lactic Acid. J FOOD PROCESS PRES 2014. [DOI: 10.1111/jfpp.12339] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Murad A. Al-Holy
- Department of Clinical Nutrition and Dietetics; Faculty of Allied Health Sciences; Hashemite University; PO Box 150459 Zarqa 13115 Jordan
| | - Kefah Sabbah
- Department of Clinical Nutrition and Dietetics; Faculty of Allied Health Sciences; Hashemite University; PO Box 150459 Zarqa 13115 Jordan
| | - Tareq M. Osaili
- Department of Nutrition and Food Technology; Faculty of Agriculture; Jordan University of Science and Technology; Irbid Jordan
| | - Ala A. Qatatsheh
- Department of Clinical Nutrition and Dietetics; Faculty of Allied Health Sciences; Hashemite University; PO Box 150459 Zarqa 13115 Jordan
- Department of Nursing; Princess Aisha Bint Al-Hussein Faculty of Nursing; Al-Hussein Bin Talal University; Ma'an Jordan
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Potent bactericidal effects of bicarinalin against strains of the Enterobacter and Cronobacter genera. Food Control 2014. [DOI: 10.1016/j.foodcont.2014.02.026] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Jackson EE, Sonbol H, Masood N, Forsythe SJ. Genotypic and phenotypic characteristics of Cronobacter species, with particular attention to the newly reclassified species Cronobacter helveticus, Cronobacter pulveris, and Cronobacter zurichensis. Food Microbiol 2014; 44:226-35. [PMID: 25084667 DOI: 10.1016/j.fm.2014.06.013] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 06/06/2014] [Accepted: 06/16/2014] [Indexed: 11/28/2022]
Abstract
In 2013, Enterobacter helveticus, Enterobacter pulveris and Enterobacter turicensis, were reclassified as Cronobacter helveticus, Cronobacter pulveris and Cronobacter zurichensis, respectively. Previously these species had been used as negative controls for some Cronobacter detection assays. This study examined cultural, biochemical and molecular Cronobacter detection and identification assays, with emphasis on the new species. Additionally, 32 Cronobacter genomes were examined for the presence of PCR target genes using the BLAST function of the online Cronobacter PubMLST facility. The results of the cultural methods varied and no single medium was able to correctly detect all Cronobacter spp. Since the supporting databases have not been updated to include the Cronobacter genus, Enterobacter sakazakii was returned for four strains of the newly reclassified species with ID32E and none with API 20E. PCR probes targeting rpoB and ompA could not correctly identify the new Cronobacter spp., due to primer specificity or absent target genes. As neonates have been identified as a high-risk group for infection, international standards require the absence of all Cronobacter species in powdered infant formula. However, many conventional detection methods cannot correctly identify the newly recognized species. Conversely, DNA sequence-based methods can adapt to taxonomic revisions and will likely become more common.
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Affiliation(s)
- E E Jackson
- Pathogen Research Group, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham, NG11 8NS, UK
| | - H Sonbol
- Pathogen Research Group, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham, NG11 8NS, UK
| | - N Masood
- Pathogen Research Group, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham, NG11 8NS, UK
| | - S J Forsythe
- Pathogen Research Group, School of Science and Technology, Nottingham Trent University, Clifton Lane, Nottingham, NG11 8NS, UK.
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Song X, Kim M. Development of an Indirect Non-Competitive Enzyme-Linked Immunosorbent Assay for the Detection of Cronobacter muytjensii in Infant Formula Powder. ACTA ACUST UNITED AC 2013. [DOI: 10.9799/ksfan.2013.26.4.936] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Ruan J, Li M, Liu YP, Li YQ, Li YX. Rapid and sensitive detection of Cronobacter spp. (previously Enterobacter sakazakii) in food by duplex PCR combined with capillary electrophoresis–laser-induced fluorescence detector. J Chromatogr B Analyt Technol Biomed Life Sci 2013; 921-922:15-20. [DOI: 10.1016/j.jchromb.2013.01.008] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2012] [Revised: 01/06/2013] [Accepted: 01/11/2013] [Indexed: 12/01/2022]
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