1
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Ranveer SA, Dasriya V, Ahmad MF, Dhillon HS, Samtiya M, Shama E, Anand T, Dhewa T, Chaudhary V, Chaudhary P, Behare P, Ram C, Puniya DV, Khedkar GD, Raposo A, Han H, Puniya AK. Positive and negative aspects of bacteriophages and their immense role in the food chain. NPJ Sci Food 2024; 8:1. [PMID: 38172179 PMCID: PMC10764738 DOI: 10.1038/s41538-023-00245-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/18/2023] [Indexed: 01/05/2024] Open
Abstract
Bacteriophages infect and replicate inside a bacterial host as well as serve as natural bio-control agents. Phages were once viewed as nuisances that caused fermentation failures with cheese-making and other industrial processes, which lead to economic losses, but phages are now increasingly being observed as being promising antimicrobials that can fight against spoilage and pathogenic bacteria. Pathogen-free meals that fulfil industry requirements without synthetic additives are always in demand in the food sector. This study introduces the readers to the history, sources, and biology of bacteriophages, which include their host ranges, absorption mechanisms, lytic profiles, lysogenic profiles, and the influence of external factors on the growth of phages. Phages and their derivatives have emerged as antimicrobial agents, biodetectors, and biofilm controllers, which have been comprehensively discussed in addition to their potential applications in the food and gastrointestinal tract, and they are a feasible and safe option for preventing, treating, and/or eradicating contaminants in various foods and food processing environments. Furthermore, phages and phage-derived lytic proteins can be considered potential antimicrobials in the traditional farm-to-fork context, which include phage-based mixtures and commercially available phage products. This paper concludes with some potential safety concerns that need to be addressed to enable bacteriophage use efficiently.
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Affiliation(s)
- Soniya Ashok Ranveer
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, 132001, India
| | - Vaishali Dasriya
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, 132001, India
| | - Md Faruque Ahmad
- Department of Clinical Nutrition, College of Applied Medical Science, Jazan University, Jazan, 45142, Saudi Arabia
| | - Harmeet Singh Dhillon
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, 132001, India
| | - Mrinal Samtiya
- Department of Nutrition Biology, School of Interdisciplinary and Applied Sciences, Central University of Haryana, Mahendergarh, 123031, India
| | - Eman Shama
- Department of Clinical Nutrition, College of Applied Medical Science, Jazan University, Jazan, 45142, Saudi Arabia
| | - Taruna Anand
- ICAR-National Research Centre on Equines, Sirsa Road, Hisar, 125001, India
| | - Tejpal Dhewa
- Department of Nutrition Biology, School of Interdisciplinary and Applied Sciences, Central University of Haryana, Mahendergarh, 123031, India
| | - Vishu Chaudhary
- University Institute of Biotechnology, Chandigarh University, Sahibzada Ajit Singh Nagar, 140413, India
| | - Priya Chaudhary
- Microbiology Department, VCSG Government Institute of Medical Science and Research, Ganganali Srikot, Srinagar Pauri Garhwal, 246174, India
| | - Pradip Behare
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, 132001, India
| | - Chand Ram
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, 132001, India
| | - Dharun Vijay Puniya
- Centre of One Health, College of Veterinary Science, Guru Angad Dev Veterinary and Animal Sciences University, Ludhiana, India
| | - Gulab D Khedkar
- Paul Hebert Centre for DNA Barcoding and Biodiversity Studies, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad, India
| | - António Raposo
- CBIOS (Research Center for Biosciences and Health Technologies), Universidade Lusófona de Humanidades e Tecnologias, Campo Grande, 376, 1749-024 Lisboa, Portugal.
| | - Heesup Han
- College of Hospitality and Tourism Management, Sejong University, 98 Gunja-Dong, Gwanjin-gu, Seoul, 143-747, Republic of Korea.
| | - Anil Kumar Puniya
- Dairy Microbiology Division, ICAR-National Dairy Research Institute, Karnal, 132001, India.
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2
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Choi Y, Lee W, Kwon JG, Kang A, Kwak MJ, Eor JY, Kim Y. The current state of phage therapy in livestock and companion animals. JOURNAL OF ANIMAL SCIENCE AND TECHNOLOGY 2024; 66:57-78. [PMID: 38618037 PMCID: PMC11007465 DOI: 10.5187/jast.2024.e5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 01/06/2024] [Accepted: 01/06/2024] [Indexed: 04/16/2024]
Abstract
In a global context, bacterial diseases caused by pathogenic bacteria have inflicted sustained damage on both humans and animals. Although antibiotics initially appeared to offer an easy treatment for most bacterial infections, the recent rise of multidrug-resistant bacteria, stemming from antibiotic misuse, has prompted regulatory measures to control antibiotic usage. Consequently, various alternatives to antibiotics are being explored, with a particular focus on bacteriophage (phage) therapy for treating bacterial diseases in animals. Animals are broadly categorized into livestock, closely associated with human dietary habits, and companion animals, which have attracted increasing attention. This study highlights phage therapy cases targeting prominent bacterial strains in various animals. In recent years, research on bacteriophages has gained considerable attention, suggesting a promising avenue for developing alternative substances to antibiotics, particularly crucial for addressing challenging bacterial diseases in the future.
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Affiliation(s)
- Youbin Choi
- Department of Agricultural Biotechnology
and Research Institute of Agriculture and Life Science, Seoul National
University, Seoul 08826, Korea
| | - Woongji Lee
- Department of Agricultural Biotechnology
and Research Institute of Agriculture and Life Science, Seoul National
University, Seoul 08826, Korea
| | - Joon-Gi Kwon
- Department of Agricultural Biotechnology
and Research Institute of Agriculture and Life Science, Seoul National
University, Seoul 08826, Korea
| | - Anna Kang
- Department of Agricultural Biotechnology
and Research Institute of Agriculture and Life Science, Seoul National
University, Seoul 08826, Korea
| | - Min-Jin Kwak
- Department of Agricultural Biotechnology
and Research Institute of Agriculture and Life Science, Seoul National
University, Seoul 08826, Korea
| | - Ju-Young Eor
- Department of Agricultural Biotechnology
and Research Institute of Agriculture and Life Science, Seoul National
University, Seoul 08826, Korea
| | - Younghoon Kim
- Department of Agricultural Biotechnology
and Research Institute of Agriculture and Life Science, Seoul National
University, Seoul 08826, Korea
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3
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El-Saadony MT, Saad AM, Yang T, Salem HM, Korma SA, Ahmed AE, Mosa WFA, Abd El-Mageed TA, Selim S, Al Jaouni SK, Zaghloul RA, Abd El-Hack ME, El-Tarabily KA, Ibrahim SA. Avian campylobacteriosis, prevalence, sources, hazards, antibiotic resistance, poultry meat contamination, and control measures: a comprehensive review. Poult Sci 2023; 102:102786. [PMID: 37454641 PMCID: PMC10371856 DOI: 10.1016/j.psj.2023.102786] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 05/05/2023] [Accepted: 05/13/2023] [Indexed: 07/18/2023] Open
Abstract
Avian campylobacteriosis is a vandal infection that poses human health hazards. Campylobacter is usually colonized in the avian gut revealing mild signs in the infected birds, but retail chicken carcasses have high contamination levels of Campylobacter spp. Consequently, the contaminated avian products constitute the main source of human infection with campylobacteriosis and result in severe clinical symptoms such as diarrhea, abdominal pain, spasm, and deaths in sensitive cases. Thus, the current review aims to shed light on the prevalence of Campylobacter in broiler chickens, Campylobacter colonization, bird immunity against Campylobacter, sources of poultry infection, antibiotic resistance, poultry meat contamination, human health hazard, and the use of standard antimicrobial technology during the chicken processing of possible control strategies to overcome such problems.
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Affiliation(s)
- Mohamed T El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Ahmed M Saad
- Department of Biochemistry, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Tao Yang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, School of Pharmacy, Hainan Medical University, Haikou, 571199, China
| | - Heba M Salem
- Department of Poultry Diseases, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Sameh A Korma
- Department of Food Science, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Ahmed Ezzat Ahmed
- Biology Department, College of Science, King Khalid University, Abha, 61413, Saudi Arabia; Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha, 61413, Saudi Arabia
| | - Walid F A Mosa
- Plant Production Department (Horticulture-Pomology), Faculty of Agriculture, Saba Basha, Alexandria University, Alexandria, 21531, Egypt
| | - Taia A Abd El-Mageed
- Department of Soils and Water, Faculty of Agriculture, Fayoum University, Fayoum, 63514, Egypt
| | - Samy Selim
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, 72388, Saudi Arabia
| | - Soad K Al Jaouni
- Department of Hematology/Oncology, Yousef Abdulatif Jameel Scientific Chair of Prophetic Medicine Application, Faculty of Medicine, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Rashed A Zaghloul
- Department Agricultural Microbiology, Faculty of Agriculture, Benha University, Moshtohor, Qaluybia, 13736, Egypt
| | - Mohamed E Abd El-Hack
- Poultry Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Khaled A El-Tarabily
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, 15551, United Arab Emirates.
| | - Salam A Ibrahim
- Food Microbiology and Biotechnology Laboratory, Carver Hall, College of Agriculture and Environmental Sciences, North Carolina A & T State University, Greensboro, NC, 27411-1064
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4
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Bumunang EW, Zaheer R, Niu D, Narvaez-Bravo C, Alexander T, McAllister TA, Stanford K. Bacteriophages for the Targeted Control of Foodborne Pathogens. Foods 2023; 12:2734. [PMID: 37509826 PMCID: PMC10379335 DOI: 10.3390/foods12142734] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/05/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
Foodborne illness is exacerbated by novel and emerging pathotypes, persistent contamination, antimicrobial resistance, an ever-changing environment, and the complexity of food production systems. Sporadic and outbreak events of common foodborne pathogens like Shiga toxigenic E. coli (STEC), Salmonella, Campylobacter, and Listeria monocytogenes are increasingly identified. Methods of controlling human infections linked with food products are essential to improve food safety and public health and to avoid economic losses associated with contaminated food product recalls and litigations. Bacteriophages (phages) are an attractive additional weapon in the ongoing search for preventative measures to improve food safety and public health. However, like all other antimicrobial interventions that are being employed in food production systems, phages are not a panacea to all food safety challenges. Therefore, while phage-based biocontrol can be promising in combating foodborne pathogens, their antibacterial spectrum is generally narrower than most antibiotics. The emergence of phage-insensitive single-cell variants and the formulation of effective cocktails are some of the challenges faced by phage-based biocontrol methods. This review examines phage-based applications at critical control points in food production systems with an emphasis on when and where they can be successfully applied at production and processing levels. Shortcomings associated with phage-based control measures are outlined together with strategies that can be applied to improve phage utility for current and future applications in food safety.
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Affiliation(s)
- Emmanuel W Bumunang
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB T1K 1M4, Canada
| | - Rahat Zaheer
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, Lethbridge, AB T1J 4B1, Canada
| | - Dongyan Niu
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Claudia Narvaez-Bravo
- Food and Human Nutritional Sciences, Faculty of Agricultural & Food Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Trevor Alexander
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, Lethbridge, AB T1J 4B1, Canada
| | - Tim A McAllister
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, Lethbridge, AB T1J 4B1, Canada
| | - Kim Stanford
- Department of Biological Sciences, University of Lethbridge, Lethbridge, AB T1K 1M4, Canada
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5
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Chowdhury MAH, Ashrafudoulla M, Mevo SIU, Mizan MFR, Park SH, Ha SD. Current and future interventions for improving poultry health and poultry food safety and security: A comprehensive review. Compr Rev Food Sci Food Saf 2023; 22:1555-1596. [PMID: 36815737 DOI: 10.1111/1541-4337.13121] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 01/07/2023] [Accepted: 01/22/2023] [Indexed: 02/24/2023]
Abstract
Poultry is thriving across the globe. Chicken meat is the most preferred poultry worldwide, and its popularity is increasing. However, poultry also threatens human hygiene, especially as a fomite of infectious diseases caused by the major foodborne pathogens (Campylobacter, Salmonella, and Listeria). Preventing pathogenic bacterial biofilm is crucial in the chicken industry due to increasing food safety hazards caused by recurring contamination and the rapid degradation of meat, as well as the increased resistance of bacteria to cleaning and disinfection procedures commonly used in chicken processing plants. To address this, various innovative and promising strategies to combat bacterial resistance and biofilm are emerging to improve food safety and quality and extend shelf-life. In particular, natural compounds are attractive because of their potential antimicrobial activities. Natural compounds can also boost the immune system and improve poultry health and performance. In addition to phytochemicals, bacteriophages, nanoparticles, coatings, enzymes, and probiotics represent unique and environmentally friendly strategies in the poultry processing industry to prevent foodborne pathogens from reaching the consumer. Lactoferrin, bacteriocin, antimicrobial peptides, cell-free supernatants, and biosurfactants are also of considerable interest for their prospective application as natural antimicrobials for improving the safety of raw poultry meat. This review aims to describe the feasibility of these proposed strategies and provide an overview of recent published evidences to control microorganisms in the poultry industry, considering the human health, food safety, and economic aspects of poultry production.
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Affiliation(s)
| | - Md Ashrafudoulla
- Food Science and Technology Department, Chung-Ang University, Anseong-Si, Republic of Korea
| | | | | | - Si Hong Park
- Department of Food Science and Technology, Oregon State University, Corvallis, Oregon, USA
| | - Sang-Do Ha
- Food Science and Technology Department, Chung-Ang University, Anseong-Si, Republic of Korea
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6
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Chagneau S, Gaucher ML, Thériault WP, Fravalo P, Thibodeau A. Observations supporting hypothetical commensalism and competition between two Campylobacter jejuni strains colonizing the broiler chicken gut. Front Microbiol 2023; 13:1071175. [PMID: 36817113 PMCID: PMC9937062 DOI: 10.3389/fmicb.2022.1071175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Accepted: 12/22/2022] [Indexed: 01/27/2023] Open
Abstract
Campylobacter jejuni is the most prevalent bacterial foodborne pathogen in humans. Given the wide genetic diversity of C. jejuni strains found in poultry production, a better understanding of the relationships between these strains within chickens could lead to better control of this pathogen on farms. In this study, 14-day old broiler chickens were inoculated with two C. jejuni strains (103 or 107 CFU of D2008b and 103 CFU of G2008b, alone or together) that were previously characterized in vitro and that showed an opposite potential to compete for gut colonization in broilers. Liver samples and ileal and cecal contents were collected and used to count total C. jejuni and to quantify the presence of each strain using a strain specific qPCR or PCR approach. Ileal tissue samples were also collected to analyze the relative expression level of tight junction proteins. While a 103 CFU inoculum of D2008b alone was not sufficient to induce intestinal colonization, this strain benefited from the G2008b colonization for its establishment in the gut and its extraintestinal spread. When the inoculum of D2008b was increased to 107 CFU - leading to its intestinal and hepatic colonization - a dominance of G2008b was measured in the gut and D2008b was found earlier in the liver for birds inoculated by both strains. In addition, a transcript level decrease of JAM2, CLDN5 and CLDN10 at 7 dpi and a transcript level increase of ZO1, JAM2, OCLN, CLDN10 were observed at 21 dpi for groups of birds having livers contaminated by C. jejuni. These discoveries suggest that C. jejuni would alter the intestinal barrier function probably to facilitate the hepatic dissemination. By in vitro co-culture assay, a growth arrest of D2008b was observed in the presence of G2008b after 48 h of culture. Based on these results, commensalism and competition seem to occur between both C. jejuni strains, and the dynamics of C. jejuni intestinal colonization and liver spread in broilers appear to be strain dependent. Further in vivo experimentations should be conducted to elucidate the mechanisms of commensalism and competition between strains in order to develop adequate on-farm control strategies.
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Affiliation(s)
- Sophie Chagneau
- Research Chair in Meat Safety, Department of Pathology and Microbiology, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada,Swine and Poultry Infectious Diseases Research Center (CRIPA), Department of Pathology and Microbiology, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada,*Correspondence: Sophie Chagneau, ✉
| | - Marie-Lou Gaucher
- Research Chair in Meat Safety, Department of Pathology and Microbiology, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada,Swine and Poultry Infectious Diseases Research Center (CRIPA), Department of Pathology and Microbiology, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada,Groupe de Recherche sur les Maladies Infectieuses en Production Animale (GREMIP), Department of Pathology and Microbiology, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - William P. Thériault
- Research Chair in Meat Safety, Department of Pathology and Microbiology, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada,Swine and Poultry Infectious Diseases Research Center (CRIPA), Department of Pathology and Microbiology, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada
| | - Philippe Fravalo
- Chaire Agroalimentaire du Conservatoire National des Arts et Métiers, Paris, France
| | - Alexandre Thibodeau
- Research Chair in Meat Safety, Department of Pathology and Microbiology, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada,Swine and Poultry Infectious Diseases Research Center (CRIPA), Department of Pathology and Microbiology, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada,Groupe de Recherche sur les Maladies Infectieuses en Production Animale (GREMIP), Department of Pathology and Microbiology, Faculté de Médecine Vétérinaire, Université de Montréal, Saint-Hyacinthe, QC, Canada,Alexandre Thibodeau, ✉
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7
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Abd-El Wahab A, Basiouni S, El-Seedi HR, Ahmed MFE, Bielke LR, Hargis B, Tellez-Isaias G, Eisenreich W, Lehnherr H, Kittler S, Shehata AA, Visscher C. An overview of the use of bacteriophages in the poultry industry: Successes, challenges, and possibilities for overcoming breakdowns. Front Microbiol 2023; 14:1136638. [PMID: 37025628 PMCID: PMC10071031 DOI: 10.3389/fmicb.2023.1136638] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Accepted: 02/28/2023] [Indexed: 04/08/2023] Open
Abstract
The primary contaminants in poultry are Salmonella enterica, Campylobacter jejuni, Escherichia coli, and Staphylococcus aureus. Their pathogenicity together with the widespread of these bacteria, contributes to many economic losses and poses a threat to public health. With the increasing prevalence of bacterial pathogens being resistant to most conventional antibiotics, scientists have rekindled interest in using bacteriophages as antimicrobial agents. Bacteriophage treatments have also been investigated as an alternative to antibiotics in the poultry industry. Bacteriophages' high specificity may allow them only to target a specific bacterial pathogen in the infected animal. However, a tailor-made sophisticated cocktail of different bacteriophages could broaden their antibacterial activity in typical situations with multiple clinical strains infections. Bacteriophages may not only be used in terms of reducing bacterial contamination in animals but also, under industrial conditions, they can be used as safe disinfectants to reduce contamination on food-contact surfaces or poultry carcasses. Nevertheless, bacteriophage therapies have not been developed sufficiently for widespread use. Problems with resistance, safety, specificity, and long-term stability must be addressed in particular. This review highlights the benefits, challenges, and current limitations of bacteriophage applications in the poultry industry.
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Affiliation(s)
- Amr Abd-El Wahab
- Institute for Animal Nutrition, University of Veterinary Medicine Hannover Foundation, Hannover, Germany
- Department of Nutrition and Nutritional Deficiency Diseases, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Shereen Basiouni
- Cilia Cell Biology, Institute of Molecular Physiology, Johannes-Gutenberg University, Mainz, Germany
- Clinical Pathology Department, Faculty of Veterinary Medicine, Benha University, Moshtohor, Toukh, Egypt
| | - Hesham R. El-Seedi
- International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, China
- International Joint Research Laboratory of Intelligent Agriculture and Agri-Products Processing, Jiangsu Education Department, Jiangsu University, Nanjing, China
- Department of Chemistry, Faculty of Science, Menoufia University, Shebeen El-Kom, Egypt
| | - Marwa F. E. Ahmed
- Department of Hygiene and Zoonoses, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Lisa R. Bielke
- Department of Animal Sciences, The Ohio State University, Columbus, OH, United States
| | - Billy Hargis
- Division of Agriculture, Department of Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Guillermo Tellez-Isaias
- Division of Agriculture, Department of Poultry Science, University of Arkansas, Fayetteville, AR, United States
| | - Wolfgang Eisenreich
- Structural Membrane Biochemistry, Bavarian NMR Center, Technical University of Munich (TUM), Garching, Germany
| | - Hansjörg Lehnherr
- PTC Phage Technology Center GmbH, a Part of Finktec Group, Bönen, Germany
| | - Sophie Kittler
- Institute for Food Quality and Food Safety, University of Veterinary Medicine Hannover Foundation, Hannover, Germany
| | - Awad A. Shehata
- Avian and Rabbit Diseases Department, Faculty of Veterinary Medicine, University of Sadat City, Sadat City, Egypt
- Research and Development Section, PerNaturam GmbH, An der Trift, Gödenroth, Germany
- Prophy-Institute for Applied Prophylaxis, Bönen, Germany
- *Correspondence: Awad A. Shehata,
| | - Christian Visscher
- Institute for Animal Nutrition, University of Veterinary Medicine Hannover Foundation, Hannover, Germany
- Christian Visscher,
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8
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Vikram A, Callahan MT, Woolston JW, Sharma M, Sulakvelidze A. Phage biocontrol for reducing bacterial foodborne pathogens in produce and other foods. Curr Opin Biotechnol 2022; 78:102805. [PMID: 36162186 DOI: 10.1016/j.copbio.2022.102805] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 08/14/2022] [Accepted: 08/18/2022] [Indexed: 12/14/2022]
Abstract
Foodborne pathogen contamination causes approximately 47 million cases of foodborne illness in the United States and renders thousands of pounds of food products inedible, aggravating the already dire situation of food loss. Reducing foodborne contamination not only improves overall global public health but also reduces food waste and loss. Phage biocontrol or phage-mediated reduction of bacterial foodborne pathogens in various foods has been gaining interest recently as an effective and environmentally friendly food-safety approach. Consequently, several commercial phage-based food-safety products have been developed and are increasingly implemented by the food industry in the United States. This review focuses on the use of phage biocontrol in mitigating bacterial pathogen contamination in various food products with a special emphasis on applications to fresh produce.
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Affiliation(s)
| | | | | | - Manan Sharma
- US Department of Agriculture, Agricultural Research Service, Environmental Microbial and Food Safety Laboratory, Beltsville, MD, United States
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9
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Bacteriophage and their lysins: A new era of biocontrol for inactivation of pathogenic bacteria in poultry processing and production—A review. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.108976] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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10
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Mota-Gutierrez J, Lis L, Lasagabaster A, Nafarrate I, Ferrocino I, Cocolin L, Rantsiou K. Campylobacter spp. prevalence and mitigation strategies in the broiler production chain. Food Microbiol 2022; 104:103998. [DOI: 10.1016/j.fm.2022.103998] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 01/13/2022] [Accepted: 01/28/2022] [Indexed: 12/15/2022]
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11
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Blanco-Picazo P, Gómez-Gómez C, Aguiló-Castillo S, Fernández-Orth D, Cerdà-Cuéllar M, Muniesa M, Rodríguez-Rubio L. Chicken liver is a potential reservoir of bacteriophages and phage-derived particles containing antibiotic resistance genes. Microb Biotechnol 2022; 15:2464-2475. [PMID: 35485188 PMCID: PMC9437878 DOI: 10.1111/1751-7915.14056] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Accepted: 03/15/2022] [Indexed: 11/30/2022] Open
Abstract
Poultry meat production is one of the most important agri‐food industries in the world. The selective pressure exerted by widespread prophylactic or therapeutic use of antibiotics in intensive chicken farming favours the development of drug resistance in bacterial populations. Chicken liver, closely connected with the intestinal tract, has been directly involved in food‐borne infections and found to be contaminated with pathogenic bacteria, including Campylobacter and Salmonella. In this study, 74 chicken livers, divided into sterile and non‐sterile groups, were analysed, not only for microbial indicators but also for the presence of phages and phage particles containing antibiotic resistance genes (ARGs). Both bacteria and phages were detected in liver tissues, including those dissected under sterile conditions. The phages were able to infect Escherichia coli and showed a Siphovirus morphology. The chicken livers contained from 103 to 106 phage particles per g, which carried a range of ARGs (blaTEM, blaCTx‐M‐1, sul1, qnrA, armA and tetW) detected by qPCR. The presence of phages in chicken liver, mostly infecting E. coli, was confirmed by metagenomic analysis, although this technique was not sufficiently sensitive to identify ARGs. In addition, ARG‐carrying phages were detected in chicken faeces by qPCR in a previous study of the group. Comparison of the viromes of faeces and liver showed a strong coincidence of species, which suggests that the phages found in the liver originate in faeces. These findings suggests that phages, like bacteria, can translocate from the gut to the liver, which may therefore constitute a potential reservoir of antibiotic resistance genes.
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Affiliation(s)
- Pedro Blanco-Picazo
- Department de Genètica, Microbiologia i Estadística, Universitat de Barcelona, Diagonal 643, Planta 0, Barcelona, 08028, Spain
| | - Clara Gómez-Gómez
- Department de Genètica, Microbiologia i Estadística, Universitat de Barcelona, Diagonal 643, Planta 0, Barcelona, 08028, Spain
| | - Sergi Aguiló-Castillo
- Spanish National Bioinformatics Institute (INB)/ELIXIR-ES, Barcelona Supercomputing Center, Barcelona, Spain
| | - Dietmar Fernández-Orth
- Department of Bioinformatics and Molecular Biology, Cerba Internacional Pl. Ramon Llull, 7-10, Sabadell, Barcelona, 08203, Spain
| | - Marta Cerdà-Cuéllar
- IRTA, Centre de Recerca en Sanitat Animal (CReSA, IRTA-UAB), Campus de la Universitat Autònoma de Barcelona, Bellaterra, Barcelona, 08193, Spain
| | - Maite Muniesa
- Department de Genètica, Microbiologia i Estadística, Universitat de Barcelona, Diagonal 643, Planta 0, Barcelona, 08028, Spain
| | - Lorena Rodríguez-Rubio
- Department de Genètica, Microbiologia i Estadística, Universitat de Barcelona, Diagonal 643, Planta 0, Barcelona, 08028, Spain
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12
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Qu Z, Tang J, Sablani SS, Ross CF, Sankaran S, Shah DH. Quality changes in chicken livers during cooking. Poult Sci 2021; 100:101316. [PMID: 34329987 PMCID: PMC8335660 DOI: 10.1016/j.psj.2021.101316] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/22/2021] [Accepted: 06/01/2021] [Indexed: 11/30/2022] Open
Abstract
Raw chicken livers are often contaminated with Campylobacter and Salmonella. Cooking is considered the last defense of pathogen control for meals containing chicken livers. However, consumers' preference for pink color and a creamy texture as desired attributes in preparing liver pâté may lead to inadequate cooking, thereby increasing the risk of foodborne illness. This study aimed to investigate the effects of different cooking conditions (60-90°C, 0-65 min) on quality changes in frozen and fresh chicken livers and develop cooking recommendations to produce safe liver products with desired qualities. Frozen storage reduced the water holding capacity of raw chicken livers and led to more cooking loss (reduction in the weight of liver pieces during cooking) and area shrinkage after heating. The cooking loss and area shrinkage increased with increasing heating time and temperature, following the first-order fractional model. Compared with fresh livers, the shear resistance for cutting through the cooked livers increased after heating at 73.9°C to 90°C and decreased at 60°C, whereas the livers heated at 70°C had shear resistance (~4.5 N/g) similar to the fresh liver, regardless of the heating times used in this study. Heating resulted in color changes in livers, shifting from red hue (0°) toward yellow hue (90°), as characterized by the increased hue angles after heating. Cooking livers to an internal temperature of 70°C to 73.9°C and hold for 101 to 26 s is recommended for food processing plants or restaurants to prepare ready-to-eat meals containing chicken livers to achieve microbial safety with respect to Salmonella and provide cooked livers with desired texture and pink color.
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Affiliation(s)
- Zhi Qu
- Department of Biological Systems Engineering, Washington State University, Pullman, WA, 99164-6120, USA
| | - Juming Tang
- Department of Biological Systems Engineering, Washington State University, Pullman, WA, 99164-6120, USA.
| | - Shyam S Sablani
- Department of Biological Systems Engineering, Washington State University, Pullman, WA, 99164-6120, USA
| | - Carolyn F Ross
- School of Food Science, Washington State University, Pullman, WA, 99164-6120, USA
| | - Sindhuja Sankaran
- Department of Biological Systems Engineering, Washington State University, Pullman, WA, 99164-6120, USA
| | - Devendra H Shah
- Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, WA, 99164-7040, USA
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13
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Mohamed HAA, Williams LK, van Klink E. The diversity of Campylobacter spp. throughout the poultry processing plant. Zoonoses Public Health 2021; 68:769-780. [PMID: 34018343 DOI: 10.1111/zph.12852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Accepted: 05/01/2021] [Indexed: 12/01/2022]
Abstract
Campylobacteriosis is the leading food-borne disease in developed countries, and poultry are a major source for human infection. The diversity of Campylobacter on chicken carcasses during processing may lead to isolates that are able to survive abattoir processing. This has important implications for public health and adds a further layer to the complexity of the epidemiology of campylobacteriosis. The diversity of the Campylobacter spp. populations on broiler carcasses was studied at three different stages of processing (post-bleed, post-scald and post-chill) in three UK processing plants, using the pulsed-field gel electrophoresis (PFGE) KpnI enzyme. One hundred and sixty Campylobacter strains from 3 processing plants were identified as C. jejuni (92.3%) with 27 PFGE subtype profiles recovered from carcasses at the post-bleed point. Change in populations was identified when carcasses move towards the end of poultry processing. Seven C. jejuni genotypes were able to survive the scalding tank stage process, and 5 genotypes surviving the entire poultry process. Confirmation by PFGE gives information on the genotypic profiles of C. jejuni on chicken carcasses and how they change according to the temperatures exposed to during processing. Diversity within C. jejuni populations produces genotypes that adapt to tolerate the processing environment, and these may be capable of causing human disease. Understanding more about the genotypes that survive the processing will have important implications for public health.
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Affiliation(s)
| | - Lisa K Williams
- Department of Animal and Agriculture, Hartpury University, Gloucester, UK
| | - Ed van Klink
- Bristol Veterinary School, University of Bristol, Bristol, UK
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14
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Kittler S, Steffan S, Peh E, Plötz M. Phage Biocontrol of Campylobacter: A One Health Approach. Curr Top Microbiol Immunol 2021; 431:127-168. [PMID: 33620651 DOI: 10.1007/978-3-030-65481-8_6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Human infections by Campylobacter species are among the most reported bacterial gastrointestinal diseases in the European Union and worldwide with severe outcomes in rare cases. Considering the transmission routes and farm animal reservoirs of these zoonotic pathogens, a comprehensive One Health approach will be necessary to reduce human infection rates. Bacteriophages are viruses that specifically infect certain bacterial genera, species, strains or isolates. Multiple studies have demonstrated the general capacity of phage treatments to reduce Campylobacter loads in the chicken intestine. However, phage treatments are not yet approved for extensive use in the agro-food industry in Europe. Technical inconvenience is mainly related to the efficacy of phages, depending on the optimal choice of phages and their combination, as well as application route, concentration and timing. Additionally, regulatory uncertainties have been a major concern for investment in commercial phage-based products. This review addresses the question as to how phages can be put into practice and can help to solve the issue of human campylobacteriosis in a sustainable One Health approach. By compiling the reported findings from the literature in a standardized manner, we enabled inter-experimental comparisons to increase our understanding of phage infection in Campylobacter spp. and practical on-farm studies. Further, we address some of the hurdles that still must be overcome before this new methodology can be adapted on an industrial scale. We envisage that phage treatment can become an integrated and standardized part of a multi-hurdle anti-bacterial strategy in food production. The last part of this chapter deals with some of the issues raised by legal authorities, bringing together current knowledge on Campylobacter-specific phages and the biosafety requirements for approval of phage treatment in the food industry.
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Affiliation(s)
- Sophie Kittler
- Institute for Food Quality and Food Safety, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, 30173, Hannover, Germany.
| | - Severin Steffan
- Institute for Food Quality and Food Safety, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, 30173, Hannover, Germany
| | - Elisa Peh
- Institute for Food Quality and Food Safety, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, 30173, Hannover, Germany
| | - Madeleine Plötz
- Institute for Food Quality and Food Safety, University of Veterinary Medicine Hannover, Foundation, Bischofsholer Damm 15, 30173, Hannover, Germany
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15
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Premaratne A, Zhang H, Wang R, Chinivasagam N, Billington C. Phage Biotechnology to Mitigate Antimicrobial Resistance in Agriculture. SUSTAINABLE AGRICULTURE REVIEWS 2021. [DOI: 10.1007/978-3-030-58259-3_9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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16
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Bao H, Zhou Y, Shahin K, Zhang H, Cao F, Pang M, Zhang X, Zhu S, Olaniran A, Schmidt S, Wang R. The complete genome of lytic Salmonella phage vB_SenM-PA13076 and therapeutic potency in the treatment of lethal Salmonella Enteritidis infections in mice. Microbiol Res 2020; 237:126471. [PMID: 32298944 DOI: 10.1016/j.micres.2020.126471] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 02/20/2020] [Accepted: 03/18/2020] [Indexed: 01/05/2023]
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17
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Żbikowska K, Michalczuk M, Dolka B. The Use of Bacteriophages in the Poultry Industry. Animals (Basel) 2020; 10:E872. [PMID: 32443410 PMCID: PMC7278383 DOI: 10.3390/ani10050872] [Citation(s) in RCA: 65] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2020] [Revised: 05/15/2020] [Accepted: 05/16/2020] [Indexed: 12/13/2022] Open
Abstract
The emergence of multidrug-resistant infections and antibiotic failures have raised concerns over human and veterinary medicine worldwide. Poultry production has had to confront the problems of an alarming increase in bacterial resistance, including zoonotic pathogens. According to the European Food Safety Authority (EFSA), campylobacteriosis and salmonellosis have been the most frequently reported human foodborne diseases linked to poultry. This situation has strongly stimulated a renewal of scientists' interest in bacteriophages (phages) since the beginning of the 21st century. Bacteriophages are the viruses of bacteria. They are abundant in nature, and accompany bacteria in each environment they colonize, including human microbiota. In this review, we focused on the use of bacteriophages as therapeutic agents to treat infections and reduce counts of pathogenic bacteria in poultry, as biocontrol agents to eliminate foodborne pathogens on/in food, and also as disinfectants to reduce contamination on food-contact surfaces or poultry carcasses in industrial conditions. Most of the phage-based products are targeted against the main foodborne pathogens, such as Campylobacter jejuni, Salmonella spp., Escherichia coli, Listeria monocytogenes, Staphylococcus aureus, and Clostridium perfringens. Phages are currently addressed at all stages of the poultry production "from farm to fork", however, their implementation into live birds and food products still provokes discussions especially in the context of the current legal framework, limitations, as well as public health and safety.
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Affiliation(s)
- Katarzyna Żbikowska
- Department of Animal Breeding, Institute of Animal Sciences, Warsaw University of Life Sciences—SGGW, Ciszewskiego 8 St., 02-786 Warsaw, Poland; (K.Ż.); (M.M.)
| | - Monika Michalczuk
- Department of Animal Breeding, Institute of Animal Sciences, Warsaw University of Life Sciences—SGGW, Ciszewskiego 8 St., 02-786 Warsaw, Poland; (K.Ż.); (M.M.)
| | - Beata Dolka
- Department of Pathology and Veterinary Diagnostics, Institute of Veterinary Medicine, Warsaw University of Life Sciences—SGGW, Nowoursynowska 159c St., 02-776 Warsaw, Poland
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18
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Sylte MJ, Shippy DC, Bearson BL, Bearson SMD. Detection of Campylobacter jejuni liver dissemination in experimentally colonized turkey poults. Poult Sci 2020; 99:4028-4033. [PMID: 32731990 PMCID: PMC7597910 DOI: 10.1016/j.psj.2020.03.042] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 03/10/2020] [Accepted: 03/23/2020] [Indexed: 12/03/2022] Open
Abstract
Consumption of contaminated poultry products, including chicken livers, is the main source of human campylobacteriosis and approximately 90% of human cases are caused by Campylobacter jejuni subsp. jejuni (C. jejuni). Recent culinary trends that favor undercooked chicken livers may be responsible for outbreaks. Turkey is an emerging human protein source, and poultry livers are commonly prepared in popular cuisine such as pâté. The mechanism of how Campylobacter disseminates to poultry liver tissue is unknown. We have previously demonstrated that certain strains of C. jejuni persistently colonize turkeys with the highest density in the ceca. Whether C. jejuni disseminates to the liver of turkeys following intestinal colonization is unknown. In this study, 45 D of hatch turkey poults were co-housed for 30 D. Five poults were euthanized to screen for Campylobacter colonization, and were free of detectable Campylobacter. The remaining 40 poults were randomly split into 2 rooms, with 20 poults per room. At 35 D of age, poults were inoculated by oral gavage with 1 × 106 cfu of C. jejuni isolate NCTC 11168 or mock-inoculated with sterile medium. Ten poults from each room were euthanized at 7 and 14 D post-inoculation (dpi), and cecal contents and livers were cultured and/or enriched for Campylobacter. Livers were harvested aseptically. The ceca of C. jejuni-inoculated poults were highly colonized at 7 and 14 dpi with approximately 108 cfu/mL of cecal contents. At 7 and 14 dpi, 3 and 5 of 10 liver samples were positive for C. jejuni culture (8.6 × 103 cfu/g of liver ± 4.43 × 103 and 5.10 × 103 cfu/g of liver ± 1.74 × 103), respectively. At 14 dpi, liver samples were cultured by enrichment, and 6 of 10 were positive for Campylobacter. Some liver samples may be below the limit of detection for direct plate culturing. These data determined that turkey liver is a potential reservoir of C. jejuni following intestinal colonization, and identified a potential food safety consideration when turkey liver is prepared for human or pet food consumption.
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Affiliation(s)
- Matthew J Sylte
- Food Safety and Enteric Pathogens Research Unit, National Animal Disease Center (NADC), U.S. Department of Agriculture (USDA), Agricultural Research Services (ARS), Ames, IA, USA.
| | - Daniel C Shippy
- Food Safety and Enteric Pathogens Research Unit, National Animal Disease Center (NADC), U.S. Department of Agriculture (USDA), Agricultural Research Services (ARS), Ames, IA, USA
| | - Bradley L Bearson
- Agroecosystems Management Research Unit, National Laboratory for Agriculture and the Environment, ARS, USDA, Ames, IA, USA
| | - Shawn M D Bearson
- Food Safety and Enteric Pathogens Research Unit, National Animal Disease Center (NADC), U.S. Department of Agriculture (USDA), Agricultural Research Services (ARS), Ames, IA, USA
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19
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Thung TY, Lee E, Mahyudin NA, Wan Mohamed Radzi CWJ, Mazlan N, Tan CW, Radu S. Partial characterization and in vitro evaluation of a lytic bacteriophage for biocontrol of
Campylobacter jejuni
in mutton and chicken meat. J Food Saf 2020. [DOI: 10.1111/jfs.12770] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Tze Young Thung
- Department of Food Science, Faculty of Food Science and TechnologyUniversiti Putra Malaysia Serdang Malaysia
| | - Epeng Lee
- Food Safety and Food Integrity, Institute of Tropical Agriculture and Food Security (ITAFoS)Universiti Putra Malaysia Serdang Malaysia
| | - Nor Ainy Mahyudin
- Department of Food Service Management, Faculty of Food Science and TechnologyUniversiti Putra Malaysia Serdang Malaysia
| | | | - Nurzafirah Mazlan
- Department of Diagnostic and Allied Science, Faculty of Health and Life SciencesManagement and Science University Shah Alam Malaysia
| | - Chia Wanq Tan
- Department of Food Science, Faculty of Food Science and TechnologyUniversiti Putra Malaysia Serdang Malaysia
| | - Son Radu
- Department of Food Science, Faculty of Food Science and TechnologyUniversiti Putra Malaysia Serdang Malaysia
- Food Safety and Food Integrity, Institute of Tropical Agriculture and Food Security (ITAFoS)Universiti Putra Malaysia Serdang Malaysia
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20
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Nouri Gharajalar S, Hassanzadeh P, Hosseinali Nejad N. Molecular detection of Campylobacter species and Cytolethal distending toxin isolated from chicken livers in Tabriz. Comp Immunol Microbiol Infect Dis 2020; 71:101474. [PMID: 32247808 DOI: 10.1016/j.cimid.2020.101474] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 03/20/2020] [Indexed: 10/24/2022]
Abstract
INTRODUCTION AND PURPOSE Campylobacter jejuni and coli are zoonotic bacteria commonly associated With human diarrhea and usually transmit through consumption of meat and poultry contaminated products such as heart and liver. Cytolethal distending toxin (cdt) in Campylobacter spp. is among the significant virulence factors of these bacteria in the intestine. The purpose of this study was to determine the prevalence of Campylobacter spp. and presence of cdt genes among isolated bacteria. MATERIALS AND METHODS In this cross sectional study, 100 chicken livers were examined. Detection, bacterial enumeration and isolation of Campylobacter spp. was done using Campylobacter selective agar media containing Campylobacter growth supplement, gram staining, catalase and oxidase production, hippurate hydrolysis and PCR molecular technique. Also the presence of cdt genes were detected using PCR assay. RESULTS From 100 studied liver samples, 43 were contaminated with Campylobacter spp. Among them 31(72 %) samples had Campylobacter jejuni and 12 (28 %) had Campylobacter coli. All Campylobacter jejuni isolates contained cdtA ،cdtB and cdtC genes. However, all of these genes detected in 9 (75 %) of isolated coli. CONCLUSION The results of this study showed that great percentages of chicken livers in Tabriz were contaminated with Campylobacter.
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Affiliation(s)
- Sahar Nouri Gharajalar
- Department of Pathobiology, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran.
| | - Parviz Hassanzadeh
- Department of Food Hygiene and Aquatic, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
| | - Nasrin Hosseinali Nejad
- Master Student of Food Hygiene and Quality Control, Faculty of Veterinary Medicine, University of Tabriz, Tabriz, Iran
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21
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Ushanov L, Lasareishvili B, Janashia I, Zautner AE. Application of Campylobacter jejuni Phages: Challenges and Perspectives. Animals (Basel) 2020; 10:E279. [PMID: 32054081 PMCID: PMC7070343 DOI: 10.3390/ani10020279] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 02/03/2020] [Accepted: 02/07/2020] [Indexed: 12/24/2022] Open
Abstract
Bacteriophages (phages) are the most abundant and diverse biological entities in the biosphere. Due to the rise of multi-drug resistant bacterial strains during the past decade, phages are currently experiencing a renewed interest. Bacteriophages and their derivatives are being actively researched for their potential in the medical and biotechnology fields. Phage applications targeting pathogenic food-borne bacteria are currently being utilized for decontamination and therapy of live farm animals and as a biocontrol measure at the post-harvest level. For this indication, the United States Food and Drug Administration (FDA) has approved several phage products targeting Listeria sp., Salmonella sp. and Escherichia coli. Phage-based applications against Campylobacter jejuni could potentially be used in ways similar to those against Salmonella sp. and Listeria sp.; however, only very few Campylobacter phage products have been approved anywhere to date. The research on Campylobacter phages conducted thus far indicates that highly diverse subpopulations of C. jejuni as well as phage isolation and enrichment procedures influence the specificity and efficacy of Campylobacter phages. This review paper emphasizes conclusions from previous findings instrumental in facilitating isolation of Campylobacter phages and improving specificity and efficacy of the isolates.
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Affiliation(s)
- Leonid Ushanov
- Institute of Veterinary Medicine, Agricultural University of Georgia, 0159 Tbilisi, Georgia; (L.U.); (B.L.)
| | - Besarion Lasareishvili
- Institute of Veterinary Medicine, Agricultural University of Georgia, 0159 Tbilisi, Georgia; (L.U.); (B.L.)
| | - Irakli Janashia
- Institute of Entomology, Agricultural University of Georgia, 0159 Tbilisi, Georgia;
| | - Andreas E. Zautner
- Institute of Medical Microbiology, University Medical Center Göttingen, 37075 Göttingen, Germany
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22
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Crippen CS, Lee YJ, Hutinet G, Shajahan A, Sacher JC, Azadi P, de Crécy-Lagard V, Weigele PR, Szymanski CM. Deoxyinosine and 7-Deaza-2-Deoxyguanosine as Carriers of Genetic Information in the DNA of Campylobacter Viruses. J Virol 2019; 93:e01111-19. [PMID: 31511377 PMCID: PMC6854489 DOI: 10.1128/jvi.01111-19] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 09/03/2019] [Indexed: 12/31/2022] Open
Abstract
Several reports have demonstrated that Campylobacter bacteriophage DNA is refractory to manipulation, suggesting that these phages encode modified DNA. The characterized Campylobacter jejuni phages fall into two phylogenetic groups within the Myoviridae: the genera Firehammervirus and Fletchervirus Analysis of genomic nucleosides from several of these phages by high-pressure liquid chromatography-mass spectrometry confirmed that 100% of the 2'-deoxyguanosine (dG) residues are replaced by modified bases. Fletcherviruses replace dG with 2'-deoxyinosine, while the firehammerviruses replace dG with 2'-deoxy-7-amido-7-deazaguanosine (dADG), noncanonical nucleotides previously described, but a 100% base substitution has never been observed to have been made in a virus. We analyzed the genome sequences of all available phages representing both groups to elucidate the biosynthetic pathway of these noncanonical bases. Putative ADG biosynthetic genes are encoded by the Firehammervirus phages and functionally complement mutants in the Escherichia coli queuosine pathway, of which ADG is an intermediate. To investigate the mechanism of DNA modification, we isolated nucleotide pools and identified dITP after phage infection, suggesting that this modification is made before nucleotides are incorporated into the phage genome. However, we were unable to observe any form of dADG phosphate, implying a novel mechanism of ADG incorporation into an existing DNA strand. Our results imply that Fletchervirus and Firehammervirus phages have evolved distinct mechanisms to express dG-free DNA.IMPORTANCE Bacteriophages are in a constant evolutionary struggle to overcome their microbial hosts' defenses and must adapt in unconventional ways to remain viable as infectious agents. One mode of adaptation is modifying the viral genome to contain noncanonical nucleotides. Genome modification in phages is becoming more commonly reported as analytical techniques improve, but guanosine modifications have been underreported. To date, two genomic guanosine modifications have been observed in phage genomes, and both are low in genomic abundance. The significance of our research is in the identification of two novel DNA modification systems in Campylobacter-infecting phages, which replace all guanosine bases in the genome in a genus-specific manner.
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Affiliation(s)
- Clay S Crippen
- Department of Microbiology, University of Georgia, Athens, Georgia, USA
- Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia, USA
| | - Yan-Jiun Lee
- Research Department, New England Biolabs, Ipswich, Massachusetts, USA
| | - Geoffrey Hutinet
- Department of Microbiology and Cell Sciences, University of Florida, Gainesville, Florida, USA
| | - Asif Shajahan
- Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia, USA
| | - Jessica C Sacher
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
| | - Parastoo Azadi
- Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia, USA
| | - Valérie de Crécy-Lagard
- Department of Microbiology and Cell Sciences, University of Florida, Gainesville, Florida, USA
| | - Peter R Weigele
- Research Department, New England Biolabs, Ipswich, Massachusetts, USA
| | - Christine M Szymanski
- Department of Microbiology, University of Georgia, Athens, Georgia, USA
- Complex Carbohydrate Research Center, University of Georgia, Athens, Georgia, USA
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
- Department of Medical Microbiology and Immunology, University of Alberta, Edmonton, Alberta, Canada
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23
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Carrigy NB, Liang L, Wang H, Kariuki S, Nagel TE, Connerton IF, Vehring R. Spray-dried anti-Campylobacter bacteriophage CP30A powder suitable for global distribution without cold chain infrastructure. Int J Pharm 2019; 569:118601. [PMID: 31394183 DOI: 10.1016/j.ijpharm.2019.118601] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 07/18/2019] [Accepted: 08/03/2019] [Indexed: 11/17/2022]
Abstract
Campylobacter jejuni is a leading cause of foodborne illness globally. In this study, a spray drying and packaging process was developed to produce a thermally-stable dry powder containing bacteriophages that retains biological activity against C. jejuni after long distance shipping at ambient temperature. Spray drying using a twin-fluid atomizer resulted in significantly less (p < 0.05) titer reduction than spray drying using a vibrating mesh nebulizer. The use of centrifugation and dilution of filtered bacteriophage lysate in the formulation step resulted in a significantly greater (p < 0.05) proportion of bacteriophages remaining active relative to use of no centrifugation and dilution. The spray-dried bacteriophage powder generated using leucine and trehalose as excipients was flowable, non-cohesive, and exhibited a high manufacturing yield. The powder retained its titer with no significant differences (p > 0.05) in biological activity after storage in suitable packaging for at least 3 weeks at room temperature and after ambient temperature shipping a total distance of approximately 19,800 km, including with a 38 °C temperature excursion. The bacteriophage powder therefore appears suitable for global distribution without the need for cold chain infrastructure.
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Affiliation(s)
- Nicholas B Carrigy
- Department of Mechanical Engineering, University of Alberta, Edmonton, Canada
| | - Lu Liang
- School of Biosciences, University of Nottingham, Loughborough, UK
| | - Hui Wang
- Department of Mechanical Engineering, University of Alberta, Edmonton, Canada
| | - Samuel Kariuki
- Centre for Microbiology Research, Kenyan Medical Research Institute, Nairobi, Kenya
| | | | - Ian F Connerton
- School of Biosciences, University of Nottingham, Loughborough, UK
| | - Reinhard Vehring
- Department of Mechanical Engineering, University of Alberta, Edmonton, Canada.
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24
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Nowaczek A, Urban‐Chmiel R, Dec M, Puchalski A, Stępień‐Pyśniak D, Marek A, Pyzik E. Campylobacter spp. and bacteriophages from broiler chickens: Characterization of antibiotic susceptibility profiles and lytic bacteriophages. Microbiologyopen 2019; 8:e00784. [PMID: 30656847 PMCID: PMC6612548 DOI: 10.1002/mbo3.784] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 11/21/2018] [Accepted: 11/22/2018] [Indexed: 01/24/2023] Open
Abstract
Bacteria of the genus Campylobacter are the most common pathogens causing zoonotic diseases in humans. Therefore, the aim of the study was to isolate Campylobacter bacteria from broiler chickens and evaluate their susceptibility to selected antibiotics by determining minimum inhibitory concentrations (MIC), followed by isolation and characterization of bacteriophages specific for Campylobacter spp. The material for the study consisted of field isolates of Campylobacter spp. obtained from the gut (cecum) of broiler chickens directly after slaughter in slaughterhouses, and bacteriophages specific for these strains. We isolated 48 strains from poultry (140 broiler chickens): 31 strains of Campylobacter jejuni and 17 of Campylobacter coli. Identification of the strains was confirmed by multiplex PCR and MALDI-TOF mass spectrometry. Over 83% of Campylobacter strains were resistant to ciprofloxacin, and over half the isolates were resistant to erythromycin, gentamicin, and tetracycline. Resistance to three or more antibiotics was observed in 91.6% of all strains. Four bacteriophages were obtained, and on the basis of their morphological structure, they were assigned to two families of the order Caudovirales: Myoviridae and Siphoviridae. A high percentage of the Campylobacter strains were resistant to at least three of the antibiotic groups tested. All of the phages exhibited lytic activity against the Campylobacter spp. isolates, but the antibacterial effect of the phages was not observed for all strains.
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Affiliation(s)
- Anna Nowaczek
- Sub‐Department of Veterinary Prevention and Avian Diseases, Faculty of Veterinary Medicine, Institute of Biological Basis of Animal DiseasesUniversity of Life SciencesLublinPoland
| | - Renata Urban‐Chmiel
- Sub‐Department of Veterinary Prevention and Avian Diseases, Faculty of Veterinary Medicine, Institute of Biological Basis of Animal DiseasesUniversity of Life SciencesLublinPoland
| | - Marta Dec
- Sub‐Department of Veterinary Prevention and Avian Diseases, Faculty of Veterinary Medicine, Institute of Biological Basis of Animal DiseasesUniversity of Life SciencesLublinPoland
| | - Andrzej Puchalski
- Sub‐Department of Veterinary Prevention and Avian Diseases, Faculty of Veterinary Medicine, Institute of Biological Basis of Animal DiseasesUniversity of Life SciencesLublinPoland
| | - Dagmara Stępień‐Pyśniak
- Sub‐Department of Veterinary Prevention and Avian Diseases, Faculty of Veterinary Medicine, Institute of Biological Basis of Animal DiseasesUniversity of Life SciencesLublinPoland
| | - Agnieszka Marek
- Sub‐Department of Veterinary Prevention and Avian Diseases, Faculty of Veterinary Medicine, Institute of Biological Basis of Animal DiseasesUniversity of Life SciencesLublinPoland
| | - Ewelina Pyzik
- Sub‐Department of Veterinary Prevention and Avian Diseases, Faculty of Veterinary Medicine, Institute of Biological Basis of Animal DiseasesUniversity of Life SciencesLublinPoland
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Retail liver juices enhance the survivability of Campylobacter jejuni and Campylobacter coli at low temperatures. Sci Rep 2019; 9:2733. [PMID: 30804407 PMCID: PMC6389972 DOI: 10.1038/s41598-018-35820-7] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 11/10/2018] [Indexed: 12/12/2022] Open
Abstract
The high prevalence of Campylobacter spp. in retail liver products was previously reported and has been linked to several outbreaks of campylobacteriosis. The main objective of this study was to investigate the influence of retail liver juices on the survivability of several strains of C. jejuni and C. coli, which were previously isolated from various retail meats at 4 °C. All tested Campylobacter strains showed higher survival in beef liver juice (BLJ) and chicken liver juice (CLJ) as compared to beef and chicken juices (BJ and CJ) or Mueller Hinton broth (MHB) at 4 °C. Overall, C. jejuni strains showed greater survival in retail liver and meat juices as compared to C. coli. CLJ enhanced biofilm formation of most C. coli strains and supported growth in favorable conditions. When diluted, retail liver and meat juices enhanced survival of Campylobacter strains at low temperatures and increased aerotolerance. In conclusion, beef and chicken liver juices enhanced the survival of C. jejuni and C. coli strains at low temperatures, which helps explain the high prevalence of Campylobacter spp. in retail liver products.
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Campylobacter Phage Isolation and Characterization: What We Have Learned So Far. Methods Protoc 2019; 2:mps2010018. [PMID: 31164600 PMCID: PMC6481058 DOI: 10.3390/mps2010018] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2019] [Revised: 02/05/2019] [Accepted: 02/06/2019] [Indexed: 02/06/2023] Open
Abstract
Lytic Campylobacter phages, which can be used to combat this pathogen in animals and on food products, have been studied for more than 30 years. Though, due to some peculiarities of the phages, which hampered their isolation and particularly their molecular analysis for a long time, progress in this research field was rather slow. Meanwhile, the situation has changed and much more is known about the biology and genetics of those phages. In this article, we address specific issues that should be considered when Campylobacter phages are studied, starting with the isolation and propagation of the phages and ending with a thorough characterization including whole-genome sequencing. The basis for advice and recommendations given here is a careful review of the scientific literature and experiences that we have had ourselves with Campylobacter phages.
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Liang L, Connerton IF. FlhF(T368A) modulates motility in the bacteriophage carrier state of Campylobacter jejuni. Mol Microbiol 2018; 110:616-633. [PMID: 30230632 PMCID: PMC6282759 DOI: 10.1111/mmi.14120] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 08/28/2018] [Accepted: 09/05/2018] [Indexed: 12/13/2022]
Abstract
The carrier state is an alternative bacteriophage life cycle by which virulent bacteriophage can persist in association with host bacteria. Campylobacter jejuni carrier state strains exhibit growth phase dependent motility due to a truncated flagella phenotype. Genome sequencing identified a T368A substitution in the G3 domain of the SRP-like GTPase FlhF from C. jejuni PT14CP30A carrier state strains, which we hypothesized to be the cause of the complex motility phenotype. We have analyzed the role of this mutation in C. jejuni PT14 and demonstrated that flhF(T368A) leads to a large proportion of cells unable to synthesize flagella, while the remaining cells form a single flagellum at one pole leading to significantly reduced motility. The flhF(T368A) mutation causes a reduction in the phage adsorption constant, which leads to a decrease in infection efficiency. Down-regulation of σ28 and σ54 dependent flagellar genes were observed as responses to the flhF(T368A) mutation. FlhF(T368A) protein is impaired in GTPase activity and exhibits reduced stability. C. jejuni carrying flhF(T368A) are less sensitive to bacteriophage infection and formation of the carrier state. The acquisition of flhF(T368A) in carrier state strains acts to prevent super-infection and maintain association with the bacteriophage that provoked the interaction.
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Affiliation(s)
- Lu Liang
- Division of Food Sciences, School of BiosciencesUniversity of NottinghamSutton Bonington CampusLoughboroughLeicestershireLE12 5RDUK
| | - Ian F. Connerton
- Division of Food Sciences, School of BiosciencesUniversity of NottinghamSutton Bonington CampusLoughboroughLeicestershireLE12 5RDUK
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Lanier WA, Hale KR, Geissler AL, Dewey-Mattia D. Chicken Liver-Associated Outbreaks of Campylobacteriosis and Salmonellosis, United States, 2000-2016: Identifying Opportunities for Prevention. Foodborne Pathog Dis 2018; 15:726-733. [PMID: 30192164 PMCID: PMC6247982 DOI: 10.1089/fpd.2018.2489] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
Chicken liver has been implicated in several reported U.S. illness outbreaks, probably caused by inadequate cooking and pathogen contamination. To identify commonalities among these outbreaks that could represent targets for prevention, we describe chicken liver–associated U.S. outbreaks during 2000–2016 reported to the Food Safety and Inspection Service, to the Centers for Disease Control and Prevention, and in published literature. We identified 28 outbreaks (23 [82.1%] were campylobacteriosis only, 3 [10.7%] were salmonellosis only, and 2 [7.1%] were caused by both pathogens), with 18 (64.3%) occurring during 2014–2016. Common outbreak features included blended chicken liver dishes (e.g., pâté; 24 [85.7%]), inadequate cooking (26 [92.8%]), and preparation in foodservice settings (e.g., sit-down restaurants; 25 [89.3%]). The increasing frequency of reported outbreaks highlights chicken liver as an important food safety problem. Public health partners should collaborate on prevention measures, including education on proper foodservice preparation of blended chicken liver dishes.
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Affiliation(s)
- William A Lanier
- 1 U.S. Public Health Service Commissioned Corps , Rockville, Maryland.,2 Food Safety and Inspection Service , U.S. Department of Agriculture, Washington, District of Columbia
| | - Kis Robertson Hale
- 1 U.S. Public Health Service Commissioned Corps , Rockville, Maryland.,2 Food Safety and Inspection Service , U.S. Department of Agriculture, Washington, District of Columbia
| | - Aimee L Geissler
- 1 U.S. Public Health Service Commissioned Corps , Rockville, Maryland.,3 Centers for Disease Control and Prevention , U.S. Department of Health and Human Services, Atlanta, Georgia
| | - Daniel Dewey-Mattia
- 3 Centers for Disease Control and Prevention , U.S. Department of Health and Human Services, Atlanta, Georgia
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Duc HM, Son HM, Honjoh KI, Miyamoto T. Isolation and application of bacteriophages to reduce Salmonella contamination in raw chicken meat. Lebensm Wiss Technol 2018. [DOI: 10.1016/j.lwt.2018.01.072] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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31
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O'Sullivan L, Lucid A, Neve H, Franz CMAP, Bolton D, McAuliffe O, Paul Ross R, Coffey A. Comparative genomics of Cp8viruses with special reference to Campylobacter phage vB_CjeM_los1, isolated from a slaughterhouse in Ireland. Arch Virol 2018; 163:2139-2154. [PMID: 29687158 DOI: 10.1007/s00705-018-3845-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Accepted: 03/10/2018] [Indexed: 01/08/2023]
Abstract
Campylobacter phage vB_CjeM_Los1 was recently isolated from a slaughterhouse in the Republic of Ireland using the host Campylobacter jejuni subsp. jejuni PT14, and full-genome sequencing and annotation were performed. The genome was found to be 134,073 bp in length and to contain 169 predicted open reading frames. Transmission electron microscopy images of vB_CjeM_Los1 revealed that it belongs to the family Myoviridae, with tail fibres observed in both extended and folded conformations, as seen in T4. The genome size and morphology of vB_CjeM_Los1 suggest that it belongs to the genus Cp8virus, and seven other Campylobacter phages with similar size characteristics have also been fully sequenced. In this work, comparative studies were performed in relation to genomic rearrangements and conservation within each of the eight genomes. None of the eight genomes were found to have undergone internal rearrangements, and their sequences retained more than 98% identity with one another despite the widespread geographical distribution of each phage. Whole-genome phylogenetics were also performed, and clades were shown to be representative of the differing number of tRNAs present in each phage. This may be an indication of lineages within the genus, despite their striking homology.
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Affiliation(s)
- Lisa O'Sullivan
- Department of Biological Sciences, Cork Institute of Technology, Bishopstown, Cork, Ireland
- Teagasc, Food Research Centre, Ashtown, Co. Dublin, Ireland
| | - Alan Lucid
- Department of Biological Sciences, Cork Institute of Technology, Bishopstown, Cork, Ireland
| | - Horst Neve
- Department of Microbiology and Biotechnology, Max Rubner-Institut, Kiel, Germany
| | - Charles M A P Franz
- Department of Microbiology and Biotechnology, Max Rubner-Institut, Kiel, Germany
| | - Declan Bolton
- Teagasc, Food Research Centre, Ashtown, Co. Dublin, Ireland
| | - Olivia McAuliffe
- Teagasc, Moorepark Food Research Centre, Fermoy, Co. Cork, Ireland
| | - R Paul Ross
- APC Microbiome Institute, University College Cork, Cork, Ireland
| | - Aidan Coffey
- Department of Biological Sciences, Cork Institute of Technology, Bishopstown, Cork, Ireland.
- APC Microbiome Institute, University College Cork, Cork, Ireland.
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Moye ZD, Woolston J, Sulakvelidze A. Bacteriophage Applications for Food Production and Processing. Viruses 2018; 10:E205. [PMID: 29671810 PMCID: PMC5923499 DOI: 10.3390/v10040205] [Citation(s) in RCA: 272] [Impact Index Per Article: 45.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 04/10/2018] [Accepted: 04/11/2018] [Indexed: 12/17/2022] Open
Abstract
Foodborne illnesses remain a major cause of hospitalization and death worldwide despite many advances in food sanitation techniques and pathogen surveillance. Traditional antimicrobial methods, such as pasteurization, high pressure processing, irradiation, and chemical disinfectants are capable of reducing microbial populations in foods to varying degrees, but they also have considerable drawbacks, such as a large initial investment, potential damage to processing equipment due to their corrosive nature, and a deleterious impact on organoleptic qualities (and possibly the nutritional value) of foods. Perhaps most importantly, these decontamination strategies kill indiscriminately, including many—often beneficial—bacteria that are naturally present in foods. One promising technique that addresses several of these shortcomings is bacteriophage biocontrol, a green and natural method that uses lytic bacteriophages isolated from the environment to specifically target pathogenic bacteria and eliminate them from (or significantly reduce their levels in) foods. Since the initial conception of using bacteriophages on foods, a substantial number of research reports have described the use of bacteriophage biocontrol to target a variety of bacterial pathogens in various foods, ranging from ready-to-eat deli meats to fresh fruits and vegetables, and the number of commercially available products containing bacteriophages approved for use in food safety applications has also been steadily increasing. Though some challenges remain, bacteriophage biocontrol is increasingly recognized as an attractive modality in our arsenal of tools for safely and naturally eliminating pathogenic bacteria from foods.
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Affiliation(s)
- Zachary D Moye
- Intralytix, Inc., The Columbus Center, 701 E. Pratt Street, Baltimore, MD 21202, USA.
| | - Joelle Woolston
- Intralytix, Inc., The Columbus Center, 701 E. Pratt Street, Baltimore, MD 21202, USA.
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Mills S, Ross RP, Hill C. Bacteriocins and bacteriophage; a narrow-minded approach to food and gut microbiology. FEMS Microbiol Rev 2018; 41:S129-S153. [PMID: 28830091 DOI: 10.1093/femsre/fux022] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Accepted: 04/20/2017] [Indexed: 12/11/2022] Open
Abstract
Bacteriocins and bacteriophage (phage) are biological tools which exhibit targeted microbial killing, a phenomenon which until recently was seen as a major drawback for their use as antimicrobial agents. However, in an age when the deleterious consequences of broad-spectrum antibiotics on human health have become apparent, there is an urgent need to develop narrow-spectrum substitutes. Indeed, disruption of the microbial communities which exist on and in our bodies can generate immediate and long-term negative effects and this is particularly borne out in the gut microbiota community whose disruption has been linked to a number of disorders reaching as far as the brain. Moreover, the antibiotic resistance crisis has resulted in our inability to treat many bacterial infections and has triggered the search for damage-limiting alternatives. As bacteriocins and phage are natural entities they are relatively easy to isolate and characterise and are also ideal candidates for improving food safety and quality, forfeiting the need for largely unpopular chemical preservatives. This review highlights the efficacy of both antimicrobial agents in terms of gut health and food safety and explores the body of scientific evidence supporting their effectiveness in both environments.
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Affiliation(s)
- Susan Mills
- APC Microbiome Institute and School of Microbiology, University College Cork, Western Road, Cork T12 YN60, Ireland
| | - R Paul Ross
- APC Microbiome Institute and School of Microbiology, University College Cork, Western Road, Cork T12 YN60, Ireland
| | - Colin Hill
- APC Microbiome Institute and School of Microbiology, University College Cork, Western Road, Cork T12 YN60, Ireland
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Xiang Y, Wang S, Li J, Wei Y, Zhang Q, Lin L, Ji X. Isolation and characterization of two lytic cold-active bacteriophages infecting Pseudomonas fluorescens from the Napahai plateau wetland. Can J Microbiol 2017; 64:183-190. [PMID: 29253355 DOI: 10.1139/cjm-2017-0572] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
As the "kidneys of the Earth", wetlands play important roles as biodiversity reservoirs, in water purification, and in flood control. In this study, 2 lytic cold-active bacteriophages, named VW-6S and VW-6B, infecting Pseudomonas fluorescens W-6 cells from the Napahai plateau wetland in China were isolated and characterized. Electron microscopy showed that both VW-6S and VW-6B had an icosahedral head (66.7 and 61.1 nm, respectively) and a long tail (8.3 nm width × 233.3 nm length and 11.1 nm width × 166.7 nm length, respectively). The bacteriophages VW-6S and VW-6B were classified as Siphoviridae and had an approximate genome size of 30-40 kb. The latent and burst periods of VW-6S were 60 and 30 min, whereas those of VW-6B were 30 and 30 min, respectively. The optimal pH values for the bacteriophages VW-6S and VW-6B were 8.0 and 10.0, respectively, and their activity decreased rapidly at temperatures higher than 60 °C. These cold-active bacteriophages provide good materials for further study of cold-adaptation mechanisms and interaction with the host P. fluorescens.
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Affiliation(s)
- Yingying Xiang
- a Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China.,b Department of Stomatology, Yan'an Hospital Affiliated to Kunming Medical University, Kunming 650031, China
| | - Shuang Wang
- a Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Jiankai Li
- a Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Yunlin Wei
- a Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Qi Zhang
- a Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Lianbing Lin
- a Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
| | - Xiuling Ji
- a Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, China
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FURUTA MUNENORI, NASU TAKAYUKI, UMEKI KOUICHI, HOANG MINH DUC, HONJOH KENICHI, MIYAMOTO TAKAHISA. Characterization and Application of Lytic Bacteriophages against Campylobacter jejuni Isolated from Poultry in Japan. Biocontrol Sci 2017; 22:213-221. [DOI: 10.4265/bio.22.213] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Affiliation(s)
- MUNENORI FURUTA
- Department of Food Management, Faculty of Nutritional Sciences, Nakamura Gakuen University
- Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University
| | - TAKAYUKI NASU
- Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University
| | - KOUICHI UMEKI
- Department of Bioresource and Bioenvironment, School of Agriculture, Kyushu University
| | - DUC HOANG MINH
- Department of Bioscience and Biotechnology, Graduate School of Bioresource and Bioenvironmental Sciences, Kyushu University
| | - KEN-ICHI HONJOH
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University
| | - TAKAHISA MIYAMOTO
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Kyushu University
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