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Wang L, Li F, Liu T, Ouyang C, Wang X, Li M, Huang Z, Huang J, Wang L, Wang X. Identification of a multidrug resistance genomic island harboring a nonfunctional optrA gene in Campylobacter coli of chicken origin. Vet Microbiol 2024; 293:110083. [PMID: 38593623 DOI: 10.1016/j.vetmic.2024.110083] [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] [Received: 10/26/2023] [Revised: 03/22/2024] [Accepted: 04/03/2024] [Indexed: 04/11/2024]
Abstract
Campylobacter spp., such as Campylobacter jejuni and Campylobacter coli, are important zoonotic Gram-negative pathogens that cause acute intestinal diseases in humans. In this study, a retrospective analysis was conducted on previously collected Campylobacter isolates from antimicrobial resistance surveillance. A total of 29 optrA-positive C. coli strains were identified and subjected to second-generation sequencing. Multilocus sequence typing and single nucleotide polymorphism analyses demonstrated that the 29 optrA-positive isolates were genetically homogeneous. Notably, among the 29 isolated strains, the ΔoptrA variants exhibit a nonsense mutation at position 979 where the base C is substituted by T, leading to the formation of a premature termination codon. The alignment of sequences and genetic environmental characteristics suggested that ΔoptrA located on a chromosomally carried multidrug-resistant genomic island. There are other resistant genes on the multidrug resistance genomic island, such as aph(2'')-If, aph(3')-III, aadE, tet(O), tet(L), cat, erm(A), optrA and blaOXA-61. As a result, the 29 ΔoptrA-positive strains displayed susceptibility to both florfenicol and linezolid. The ΔoptrA gene is linked to the erm(A) gene, resulting in the formation of translocatable unit (TU) that are encompassed by two copies of IS1216 mobile elements. Multiple occurrences of similar TUs have been documented in numerous C. coli and provided evidence for the significance of TUs in facilitating the transfer of drug resistance genes in C. coli.
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Affiliation(s)
- Liangliang Wang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Fan Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Ting Liu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Chen Ouyang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Xiaoyue Wang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Meifang Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhiyu Huang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Jinhu Huang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Liping Wang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China
| | - Xiaoming Wang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China.
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Zhang X, Tang M, Zhou Q, Lu J, Zhang H, Tang X, Ma L, Zhang J, Chen D, Gao Y. A broad host phage, CP6, for combating multidrug-resistant Campylobacter prevalent in poultry meat. Poult Sci 2024; 103:103548. [PMID: 38442560 DOI: 10.1016/j.psj.2024.103548] [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] [Received: 12/04/2023] [Revised: 02/04/2024] [Accepted: 02/07/2024] [Indexed: 03/07/2024] Open
Abstract
Campylobacter is a major cause of bacterial foodborne diarrhea worldwide. Consumption of raw or undercooked chicken meat contaminated with Campylobacter is the most common causative agent of human infections. Given the high prevalence of contamination in poultry meat and the recent rise of multi-drug-resistant (MDR) Campylobacter strains, an effective intervention method of reducing bird colonization is needed. In this study, the Campylobacter-specific lytic phage CP6 was isolated from chicken feces. Phage CP6 exhibited a broad host range against different MDR Campylobacter isolates (97.4% of strains were infected). Some biological characteristics were observed, such as a good pH (3-9) stability and moderate temperature tolerance (<50 ℃). The complete genome sequence revealed a linear double-stranded DNA (178,350 bp, group II Campylobacter phage) with 27.51% GC content, including 209 predicted open reading frames, among which only 54 were annotated with known functions. Phylogenetic analysis of the phage major capsid protein demonstrated that phage CP6 was closely related to Campylobacter phage CPt10, CP21, CP20, IBB35, and CP220. CP6 phage exerted good antimicrobial effects on MDR Campylobacter in vitro culture and reduced CFUs of the host cells by up to 1-log compared with the control in artificially contaminated chicken breast meat. Our findings suggested the potential of CP6 phage as a promising antimicrobial agent for combating MDR Campylobacter in food processing.
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Affiliation(s)
- Xiaoyan Zhang
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China
| | - Mengjun Tang
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China
| | - Qian Zhou
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China
| | - Junxian Lu
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China
| | - Hui Zhang
- Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing, Jiangsu 210014, China
| | - Xiujun Tang
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China
| | - Lina Ma
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China
| | - Jing Zhang
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China
| | - Dawei Chen
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China
| | - Yushi Gao
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, Jiangsu 225125, China.
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Chinivasagam HN, Estella W, Finn D, Mayer DG, Rodrigues H, Diallo I. Broiler farming practices using new or re-used bedding, inclusive of free-range, have no impact on Campylobacter levels, species diversity, Campylobacter community profiles and Campylobacter bacteriophages. AIMS Microbiol 2024; 10:12-40. [PMID: 38525040 PMCID: PMC10955168 DOI: 10.3934/microbiol.2024002] [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: 08/03/2023] [Revised: 11/27/2023] [Accepted: 12/25/2023] [Indexed: 03/26/2024] Open
Abstract
A multi-stage option to address food-safety can be produced by a clearer understanding of Campylobacter's persistence through the broiler production chain, its environmental niche and its interaction with bacteriophages. This study addressed Campylobacter levels, species, genotype, bacteriophage composition/ levels in caeca, litter, soil and carcasses across commercial broiler farming practices to inform on-farm management, including interventions. Broilers were sequentially collected as per company slaughter schedules over two-years from 17 farms, which represented four commercially adopted farming practices, prior to the final bird removal (days 39-53). The practices were conventional full clean-out, conventional litter re-use, free-range-full cleanout and free-range-litter re-use. Caeca, litter and soil collected on-farm, and representative carcases collected at the processing plant, were tested for Campylobacter levels, species dominance and Campylobacter bacteriophages. General community profiling via denaturing gradient gel electrophoresis of the flaA gene was used to establish the population relationships between various farming practices on representative Campylobacter isolates. The farming practice choices did not influence the high caeca Campylobacter levels (log 7.5 to log 8.5 CFU/g), the carcass levels (log 2.5 to log 3.2 CFU/carcass), the C. jejuni/C. coli dominance and the on-farm bacteriophage presence/levels. A principal coordinate analysis of the flaA distribution for farm and litter practices showed strong separation but no obvious farming practice related grouping of Campylobacter. Bacteriophages originated from select farms, were not practice-dependent, and were detected in the environment (litter) only if present in the birds (caeca). This multifaceted study showed no influence of farming practices on on-farm Campylobacter dynamics. The significance of this study means that a unified on-farm risk-management could be adopted irrespective of commercial practice choices to collectively address caeca Campylobacter levels, as well as the potential to include Campylobacter bacteriophage biocontrol. The impact of this study means that there are no constraints in re-using bedding or adopting free-range farming, thus contributing to environmentally sustainable (re-use) and emerging (free-range) broiler farming choices.
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Affiliation(s)
| | - Wiyada Estella
- Department of Agriculture and Fisheries, Eco Sciences Precinct, Dutton Park QLD 4102, Australia
| | - Damien Finn
- Department of Agriculture and Fisheries, Eco Sciences Precinct, Dutton Park QLD 4102, Australia
| | - David G. Mayer
- Department of Agriculture and Fisheries, Eco Sciences Precinct, Dutton Park QLD 4102, Australia
| | - Hugh Rodrigues
- Department of Agriculture and Fisheries, Eco Sciences Precinct, Dutton Park QLD 4102, Australia
| | - Ibrahim Diallo
- Department of Agriculture and Fisheries, Biosecurity Sciences Laboratory, Coopers Plains QLD 4108
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Emencheta SC, Olovo CV, Eze OC, Kalu CF, Berebon DP, Onuigbo EB, Vila MMDC, Balcão VM, Attama AA. The Role of Bacteriophages in the Gut Microbiota: Implications for Human Health. Pharmaceutics 2023; 15:2416. [PMID: 37896176 PMCID: PMC10609668 DOI: 10.3390/pharmaceutics15102416] [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: 08/22/2023] [Revised: 09/18/2023] [Accepted: 09/30/2023] [Indexed: 10/29/2023] Open
Abstract
Bacteriophages (phages) are nano-sized viruses characterized by their inherent ability to live off bacteria. They utilize diverse mechanisms to absorb and gain entry into the bacterial cell wall via the release of viral genetic material, which uses the replication mechanisms of the host bacteria to produce and release daughter progeny virions that attack the surrounding host cells. They possess specific characteristics, including specificity for particular or closely related bacterial species. They have many applications, including as potential alternatives to antibiotics against multi-resistant bacterial pathogens and as control agents in bacteria-contaminated environments. They are ubiquitously abundant in nature and have diverse biota, including in the gut. Gut microbiota describes the community and interactions of microorganisms within the intestine. As with bacteria, parasitic bacteriophages constantly interact with the host bacterial cells within the gut system and have obvious implications for human health. However, it is imperative to understand these interactions as they open up possible applicable techniques to control gut-implicated bacterial diseases. Thus, this review aims to explore the interactions of bacteriophages with bacterial communities in the gut and their current and potential impacts on human health.
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Affiliation(s)
- Stephen C. Emencheta
- Department of Pharmaceutical Microbiology and Biotechnology, University of Nigeria, Nsukka 410001, Nigeria; (S.C.E.); (O.C.E.); (C.F.K.); (E.B.O.)
- VBlab—Laboratory of Bacterial Viruses, University of Sorocaba, Sorocaba 18023-000, Brazil; (M.M.D.C.V.); (V.M.B.)
| | - Chinasa V. Olovo
- Department of Microbiology, University of Nigeria, Nsukka 410001, Nigeria;
| | - Osita C. Eze
- Department of Pharmaceutical Microbiology and Biotechnology, University of Nigeria, Nsukka 410001, Nigeria; (S.C.E.); (O.C.E.); (C.F.K.); (E.B.O.)
| | - Chisom F. Kalu
- Department of Pharmaceutical Microbiology and Biotechnology, University of Nigeria, Nsukka 410001, Nigeria; (S.C.E.); (O.C.E.); (C.F.K.); (E.B.O.)
| | - Dinebari P. Berebon
- Department of Pharmaceutical Microbiology and Biotechnology, University of Nigeria, Nsukka 410001, Nigeria; (S.C.E.); (O.C.E.); (C.F.K.); (E.B.O.)
| | - Ebele B. Onuigbo
- Department of Pharmaceutical Microbiology and Biotechnology, University of Nigeria, Nsukka 410001, Nigeria; (S.C.E.); (O.C.E.); (C.F.K.); (E.B.O.)
| | - Marta M. D. C. Vila
- VBlab—Laboratory of Bacterial Viruses, University of Sorocaba, Sorocaba 18023-000, Brazil; (M.M.D.C.V.); (V.M.B.)
| | - Victor M. Balcão
- VBlab—Laboratory of Bacterial Viruses, University of Sorocaba, Sorocaba 18023-000, Brazil; (M.M.D.C.V.); (V.M.B.)
- Department of Biology and CESAM, University of Aveiro, Campus Universitário de Santiago, P-3810-193 Aveiro, Portugal
| | - Anthony A. Attama
- Department of Pharmaceutics, University of Nigeria, Nsukka 410001, Nigeria
- Institute for Drug-Herbal Medicine-Excipient Research and Development, University of Nigeria, Nsukka 410001, Nigeria
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Abreu R, Semedo-Lemsaddek T, Cunha E, Tavares L, Oliveira M. Antimicrobial Drug Resistance in Poultry Production: Current Status and Innovative Strategies for Bacterial Control. Microorganisms 2023; 11:microorganisms11040953. [PMID: 37110376 PMCID: PMC10141167 DOI: 10.3390/microorganisms11040953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 03/20/2023] [Accepted: 04/04/2023] [Indexed: 04/09/2023] Open
Abstract
The world population’s significant increase has promoted a higher consumption of poultry products, which must meet the specified demand while maintaining their quality and safety. It is well known that conventional antimicrobials (antibiotics) have been used in livestock production, including poultry, as a preventive measure against or for the treatment of infectious bacterial diseases. Unfortunately, the use and misuse of these compounds has led to the development and dissemination of antimicrobial drug resistance, which is currently a serious public health concern. Multidrug-resistant bacteria are on the rise, being responsible for serious infections in humans and animals; hence, the goal of this review is to discuss the consequences of antimicrobial drug resistance in poultry production, focusing on the current status of this agroeconomic sector. Novel bacterial control strategies under investigation for application in this industry are also described. These innovative approaches include antimicrobial peptides, bacteriophages, probiotics and nanoparticles. Challenges related to the application of these methods are also discussed.
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Affiliation(s)
- Raquel Abreu
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
- Laboratório Associado para Ciência Animal e Veterinária (AL4AnimalS), 1300-477 Lisboa, Portugal
| | - Teresa Semedo-Lemsaddek
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
- Laboratório Associado para Ciência Animal e Veterinária (AL4AnimalS), 1300-477 Lisboa, Portugal
| | - Eva Cunha
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
- Laboratório Associado para Ciência Animal e Veterinária (AL4AnimalS), 1300-477 Lisboa, Portugal
| | - Luís Tavares
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
- Laboratório Associado para Ciência Animal e Veterinária (AL4AnimalS), 1300-477 Lisboa, Portugal
| | - Manuela Oliveira
- CIISA—Centro de Investigação Interdisciplinar em Sanidade Animal, Faculdade de Medicina Veterinária, Universidade de Lisboa, Avenida da Universidade Técnica, 1300-477 Lisboa, Portugal
- Laboratório Associado para Ciência Animal e Veterinária (AL4AnimalS), 1300-477 Lisboa, Portugal
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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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Abbas RZ, Alsayeqh AF, Aqib AI. Role of Bacteriophages for Optimized Health and Production of Poultry. Animals (Basel) 2022; 12:ani12233378. [PMID: 36496899 PMCID: PMC9736383 DOI: 10.3390/ani12233378] [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: 09/06/2022] [Revised: 11/10/2022] [Accepted: 11/28/2022] [Indexed: 12/04/2022] Open
Abstract
The poultry sector is facing infections from Salmonella, Campylobacter, Listeria and Staphylococcus spp., and Escherichia coli, that have developed multidrug resistance aptitude. Antibiotics cause disturbances in the balance of normal microbiota leading to dysbiosis, immunosuppression, and the development of secondary infections. Bacteriophages have been reported to lower the colonization of Salmonella and Campylobacter in poultry. The specificity of bacteriophages is greater than that of antibiotics and can be used as a cocktail for enhanced antibacterial activity. Specie-specific phages have been prepared, e.g., Staphylophage (used against Staphylococcus bacteria) that specifically eliminate bacterial pathogens. Bacteriophage products, e.g., BacWashTM and Ecolicide PX have been developed as antiseptics and disinfectants for effective biosecurity and biosafety measures. The success of phage therapy is influenced by time to use, the amount used, the delivery mechanism, and combination therapy with other therapeutics. It is a need of time to build a comprehensive understanding of the use of bacteriophages in poultry production. The current review thus focuses on mechanisms of bacteriophages against poultry pathogens, their applications in various therapeutics, impacts on the economy, and current challenges.
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Affiliation(s)
- Rao Zahid Abbas
- Department of Parasitology, University of Agriculture, Faisalabad 38000, Pakistan
- Correspondence:
| | - Abdullah F Alsayeqh
- Department of Veterinary Medicine, College of Agriculture and Veterinary Medicine, Qassim University, Buraidah 51452, Saudi Arabia
| | - Amjad Islam Aqib
- Department of Medicine, Cholistan University of Veterinary and Animal Sciences, Bahawalpur 63100, Pakistan
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Al-Mohammadi AR, El-Didamony G, Abd El Moneem MS, Elshorbagy IM, Askora A, Enan G. Isolation and Characterization of Lytic Bacteriophages Specific for Campylobacter jejuni and Campylobacter coli. ZOONOTIC DISEASES 2022; 2:59-72. [DOI: 10.3390/zoonoticdis2020007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
In this study, two lytic bacteriophages designated as vB_CjP and vB_CcM were isolated and evaluated for their ability to combat multidrug-resistant bacteria Campylobacter jejuni and Campylobacter coli, respectively. A morphological analysis of these phages by transmission electron microscopy revealed that the vB-CjP bacteriophage had a mean head dimension of 66.6 ± 2.1 nm and a short non-contractile tail and belongs to the Podoviridae family, whereas vB_CcM had a mean head dimension of 80 ± 3.2 nm, a contractile tail, and a length calculated to be 60 ± 2.5 nm and belongs to the Myoviridae family. The results of the host range assay showed that vB_CjP could infect 5 of 10 C. jejuni isolates, whereas vB_CcM could infect 4 of 10 C. coli isolates. Both phages were thermostable and did not lose their infectivity and ability to lyse their host following exposure to 60 °C for 10 min; furthermore, phage particles were relatively stable within a pH range of 6–8. A one-step growth curve indicated that the phages produced estimated burst sizes of 110 and 120 PFU per infected cell with latent periods of 10 and 15 min, for vB-CjP and vB-CcM, respectively. The lytic activity of these phages against planktonic Campylobacter showed that these phages were able to control the growth of Campylobacter in vitro. These results suggest that these phages have a high potential for phage applications and can reduce significantly the counts of Campylobacter spp. The lytic activity of vB-CjP and vB-CcM phages at different (MOIs) against multidrug resistance Campylobacter strains was evaluated. The bacterial growth was slightly delayed by both phages, and the highest efficiency of both phages was observed when MOI = 1 was applied.
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Campylobacter Bacteriophage Cocktail Design Based on an Advanced Selection Scheme. Antibiotics (Basel) 2022; 11:antibiotics11020228. [PMID: 35203830 PMCID: PMC8868561 DOI: 10.3390/antibiotics11020228] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 02/02/2022] [Accepted: 02/07/2022] [Indexed: 11/17/2022] Open
Abstract
Campylobacteriosis is a worldwide-occurring disease and has been the most commonly reported zoonotic gastrointestinal infection in the European Union in recent years. The development of successful phage-based intervention strategies will require a better understanding of phage–bacteria interactions to facilitate advances in phage cocktail design. Therefore, this study aimed to investigate the effects of newly isolated group II and group III phages and their combinations on current Campylobacter field strains. A continuous workflow for host range and efficiency of plating (EOP) value determination was combined with a qPCR-based phage group identification and a liquid-based planktonic killing assay (PKA). An advanced analysis scheme allowed us to evaluate phage cocktails by their efficacy in inhibiting bacterial population growth and the resulting phage concentrations. The results of this study indicate that data obtained from PKAs are more accurate than host range data based on plaque formation (EOP). Planktonic killing assays with Campylobacter appear to be a useful tool for a straightforward cocktail design. Results show that a group II phage vB_CcM-LmqsCP218-2c2 and group III phage vB_CjM-LmqsCP1-1 mixture would be most promising for practical applications against Campylobacter coli and Campylobacter jejuni.
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Demiroğlu EG, Şahin M, Büyük F. Isolation and characterization of thermophilic Campylobacter species from geese raised in Kars region (Turkey) using cultural, molecular and mass spectrometry methods. IRANIAN JOURNAL OF VETERINARY RESEARCH 2022; 23:24-31. [PMID: 35782356 PMCID: PMC9238928 DOI: 10.22099/ijvr.2021.41103.5962] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 11/08/2021] [Accepted: 11/24/2021] [Indexed: 12/03/2022]
Abstract
BACKGROUND Thermophilic Campylobacters are found in the digestive tract of wild and domestic poultry and can be transmitted to humans following their fecal discharges. AIMS This study aimed to isolate thermophilic Campylobacter by culture from cloacal swabs of geese, commonly breeding in Kars region, and to identify the isolates by PCR and mass spectrometry. Antibiotics susceptibility and resistance genes of the isolates were also analysed. METHODS The study included 400 cloacal swab samples of clinically healthy geese. The samples were cultured on mCCDA medium following the pre-enrichment in Preston broth. Identification of the isolates was performed by phenotypic methods, PCR, and MALDI-TOF MS. Antibiotic susceptibility and resistance genes of the isolates were analysed with the disc diffusion method and PCR, respectively. RESULTS Thermophilic Campylobacter spp. were isolated from 157 (39.3%) samples. 151 (96.2%) isolates were identified Campylobacter jejuni and 6 (3.8%) Campylobacter coli by the phenotypic tests and PCR. Among 125 isolates analysed by MALDI-TOF MS, 119 (95.2%) were identified C. jejuni and 6 (4.8%) C. coli. The isolates' resistance to ampicillin, tetracycline, ciprofloxacin, gentamicin, and azithromycin were found 33.8%, 41.4%, 75.2%, 12.1%, and 7.6%, respectively. The distributions of bla OXA61, tetO, gyrA, and aphA-3 genes were 3.2%, 90.8%, 50.8%, and 52.7%, respectively. CONCLUSION Since geese are raised in pastures in the Kars region, protecting and not polluting the existing natural environment and preventing their contact with wild birds will prevent the spread of these microorganisms.
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Affiliation(s)
- E. G. Demiroğlu
- Ph.D. Student in Microbiology, Department of Microbiology, Institute of Health Sciences, Kafkas University, Kars, 36100, Turkey;
| | - M. Şahin
- Department of Microbiology, Faculty of Veterinary Medicine, Kafkas University, Kars, 36100, Turkey,Correspondence: M. Şahin, Department of Microbiology, Faculty of Veterinary Medicine, Kafkas University, Kars, 36100, Turkey. E-mail:
| | - F. Büyük
- Department of Microbiology, Faculty of Veterinary Medicine, Kafkas University, Kars, 36100, Turkey
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11
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Sørensen MCH, Gencay YE, Fanger F, Chichkova MAT, Mazúrová M, Klumpp J, Nielsen EM, Brøndsted L. Identification of Novel Phage Resistance Mechanisms in Campylobacter jejuni by Comparative Genomics. Front Microbiol 2022; 12:780559. [PMID: 34970240 PMCID: PMC8713573 DOI: 10.3389/fmicb.2021.780559] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2021] [Accepted: 11/09/2021] [Indexed: 12/03/2022] Open
Abstract
Phages infecting Campylobacter jejuni are considered a promising intervention strategy at broiler farms, yet phage sensitivity of naturally occurring poultry isolates is not well studied. Here, we investigated phage sensitivity and identified resistance mechanisms of C. jejuni strains originating from Danish broilers belonging to the most prevalent MLST (ST) types. Determining plaque formation of 51 phages belonging to Fletchervirus or Firehammervirus showed that 21 out of 31 C. jejuni strains were susceptible to at least one phage. While C. jejuni ST-21 strains encoded the common phase variable O-methyl phosphoramidate (MeOPN) receptor of the Fletchervirus and were only infected by these phages, ST-45 strains did not encode this receptor and were exclusively infected by Firehammervirus phages. To identify internal phage resistance mechanism in ST-21 strains, we performed comparative genomics of two strains, CAMSA2002 sensitive to almost all Fletchervirus phages and CAMSA2038, resistant to all 51 phages. The strains encoded diverse clustered regularly interspaced short palindromic repeats (CRISPR) spacers but none matched the tested phages. Sequence divergence was also observed in a predicted SspE homolog and putative restriction modification systems including a methyl-specific McrBC endonuclease. Furthermore, when mcrB was deleted, CAMSA2038 became sensitive to 17 out of 43 phages, three being Firehammervirus phages that otherwise did not infect any ST-21 strains. Yet, 16 phages demonstrated significantly lower efficiencies of plating on the mcrB mutant suggesting additional resistance mechanism still restricting phage propagation in CAMSA2038. Thus, our work demonstrates that C. jejuni isolates originating from broilers may have acquired several resistance mechanisms to successfully prevent phage infection in their natural habitat.
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Affiliation(s)
- Martine C H Sørensen
- Food Safety and Zoonoses, Department of Veterinary and Animal Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Yilmaz Emre Gencay
- Food Safety and Zoonoses, Department of Veterinary and Animal Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Florian Fanger
- Food Safety and Zoonoses, Department of Veterinary and Animal Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Mariana A T Chichkova
- Food Safety and Zoonoses, Department of Veterinary and Animal Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Mária Mazúrová
- Food Safety and Zoonoses, Department of Veterinary and Animal Sciences, University of Copenhagen, Frederiksberg, Denmark
| | - Jochen Klumpp
- Institute for Food, Nutrition and Health, ETH Zürich, Zurich, Switzerland
| | - Eva M Nielsen
- Foodborne Infections, Department of Bacteria, Parasites & Fungi, Statens Serum Institut, Copenhagen, Denmark
| | - Lone Brøndsted
- Food Safety and Zoonoses, Department of Veterinary and Animal Sciences, University of Copenhagen, Frederiksberg, Denmark
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12
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Steffan SM, Shakeri G, Hammerl JA, Kehrenberg C, Peh E, Rohde M, Jackel C, Plotz M, Kittler S. Isolation and Characterization of Group III Campylobacter jejuni-Specific Bacteriophages From Germany and Their Suitability for Use in Food Production. Front Microbiol 2021; 12:761223. [PMID: 34956123 PMCID: PMC8696038 DOI: 10.3389/fmicb.2021.761223] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 11/05/2021] [Indexed: 11/16/2022] Open
Abstract
Campylobacter spp. are a major cause of bacterial foodborne diarrhea worldwide. While thermophilic Campylobacter species asymptomatically colonize the intestines of chickens, most human infections in industrial countries have been attributed to consumption of chicken meat or cross-contaminated products. Bacteriophages (phages) are natural predators of bacteria and their use at different stages of the food production chain has been shown to reduce the public health burden of human campylobacteriosis. However, regarding regulatory issues, the use of lytic phages in food is still under discussion and evaluation. This study aims to identify lytic phages suitable for reducing Campylobacter bacteria along the food production chain. Therefore, four of 19 recently recovered phages were further characterized in detail for their lytic efficacy against different Campylobacter field strains and their suitability under food production settings at different temperatures and pH values. Based on the results of this study, the phages vB_CjM-LmqsCP1-4 and vB_CjM-LmqsCP1-5 appear to be promising candidates for the reduction of Campylobacter jejuni in food production settings.
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Affiliation(s)
- Severin Michael Steffan
- Institute for Food Quality and Food Safety, Foundation University of Veterinary Medicine Hannover, Hanover, Germany
| | - Golshan Shakeri
- Department of Food Hygiene and Aquaculture, Faculty of Veterinary Medicine, Ferdowsi University of Mashhad, Mashhad, Iran
| | - Jens Andre Hammerl
- Department Biological Safety, German Federal Institute for Risk Assessment, Berlin, Germany
| | - Corinna Kehrenberg
- Institute for Veterinary Food Science, Justus-Liebig-University Giessen, Giessen, Germany
| | - Elisa Peh
- Institute for Food Quality and Food Safety, Foundation University of Veterinary Medicine Hannover, Hanover, Germany
| | - Manfred Rohde
- Central Facility for Microscopy, Helmholtz Centre for Infection Research GmbH, Braunschweig, Germany
| | - Claudia Jackel
- Department Biological Safety, German Federal Institute for Risk Assessment, Berlin, Germany
| | - Madeleine Plotz
- Institute for Food Quality and Food Safety, Foundation University of Veterinary Medicine Hannover, Hanover, Germany
| | - Sophie Kittler
- Institute for Food Quality and Food Safety, Foundation University of Veterinary Medicine Hannover, Hanover, Germany
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13
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The Influence of a Diet Supplemented with 20% Rye and Xylanase in Different Housing Systems on the Occurrence of Pathogenic Bacteria in Broiler Chickens. ANNALS OF ANIMAL SCIENCE 2021. [DOI: 10.2478/aoas-2020-0111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Abstract
Sanitary conditions and diet are important elements determining the occurrence of pathogens in animals. The aim of the research was to assess the effect of an experimental diet with rye and xylanase for broiler chickens in cages and in a free-range system on the intestinal microbiome. The study was carried out in two experimental stages, the first on 224 1-d-old male Ross 308 chickens with an initial weight of 41 g, and the second on 2000 1-d-old male chickens with an initial weight of 42 g. All birds were reared to 42 d of age and fed crumbled starter (1 to 21 d) and pelleted grower–finisher (22 to 42 d) isonitrogenous and isoenergetic diets, supplemented with 20% rye and/or 200 mg/kg xylanase. Directly after slaughter, bacteria were isolated from the cloaca of birds and identified using classical microbiological methods and MALDI-TOF mass spectrometry. The antibiotic susceptibility of the bacteria was assessed by the disc diffusion method. The study showed the presence of abundant bacteria in the gut microbiome of chickens kept in both housing systems. The most frequently isolated bacteria were Escherichia coli, Enterococcus spp., Proteus spp., Campylobacter spp., and Staphylococcus spp. Antibiotic resistance was significantly higher in E. coli, Proteus spp., and Campylobacter spp. obtained from chickens from the free-range farm, but in the case of Enterococcus and Staphylococcus, resistance was higher in bacteria from caged birds. The high antibiotic resistance among pathogens of the gastrointestinal tract necessitates the search for means to control the microbiome in favour of beneficial bacteria. The significant influence of rye and xylanase on the bacterial content may be the basis for the introduction of this method to support the control of pathogens.
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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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Isolation, host specificity and genetic characterization of Campylobacter specific bacteriophages from poultry and swine sources. Food Microbiol 2021; 97:103742. [PMID: 33653521 DOI: 10.1016/j.fm.2021.103742] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 01/12/2021] [Accepted: 01/13/2021] [Indexed: 11/22/2022]
Abstract
The isolation and characterization of 304 Campylobacter specific bacteriophage isolates from broiler and swine sources is reported in this study. Genome size characterization determined by PFGE classified these isolates,called CAM1-CAM304, within the campylophages group II (n = 18) and group III (n = 286). Host range analyses showed a high host specificity and similar lytic spectrum among isolates of the same group. Campylophages of group II infected C. jejuni, C. coli and even a C. fetus strain whereas those of group III only infected C. jejuni strains. The most promising 59 campylophage candidates were selected according to their lytic activity and their genetic diversity was analyzed by RFLP using SmiI and HhaI endonucleases for group II and III campylophages, respectively. Moreover, RAPD-PCR technique was for the first time assessed in the genetic characterization of campylophages and it was shown to be effective only for those of group II. Bacteriophage isolates grouped in a same genotype displayed different host ranges, therefore, 13 campylophages of group II and eight of group III were differentiated considering all the approaches assayed. An in-depth analysis of these bacteriophages will be performed to confirm their promising potential for the biocontrol of Campylobacter within the farm to fork process.
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16
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Rivera-Gomis J, Marín P, Otal J, Galecio JS, Martínez-Conesa C, Cubero MJ. Resistance patterns to C and D antibiotic categories for veterinary use of Campylobacter spp., Escherichia coli and Enterococcus spp. commensal isolates from laying hen farms in Spain during 2018. Prev Vet Med 2020; 186:105222. [PMID: 33316583 DOI: 10.1016/j.prevetmed.2020.105222] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 11/17/2020] [Accepted: 11/23/2020] [Indexed: 12/21/2022]
Abstract
Antimicrobial Resistance (AMR) is a global threat for human and animal health. Few studies have been carried out on laying hens. The aim of this work was to evaluate the antimicrobial susceptibility of commensal Campylobacter spp., E. coli, and Enterococcus spp. isolates in Spanish laying hens in 2018. Samples were collected from 39 laying hen farms. The microorganisms of interest were isolated and confirmed by PCR. The Minimum Inhibitory Concentration (MIC) to antimicrobials of C and D categories were determined. 195 E. coli, 195 Enterococcus spp. and 25 Campylobacter spp. isolates were obtained. E. coli isolates showed high resistance to D category antimicrobials (sulfamethoxazole 76.41 %, tetracycline 62.05 %, trimethoprim 50.77 %, ampicillin 30.77 %) and lower resistance to C category (azithromycin 30.26 %, gentamicin 12.31 %, chloramphenicol 4.62 %). A 10.26 % of E. coli isolates were susceptible to all antimicrobials tested, Multi Drug Resistance (MDR) to 3 antimicrobial families was found in 23.08 % of the isolates and 13.85 % were MDR to 4 families, being Erythromycin-Sulfamethoxazole-Tetracycline the most common resistance profile (10.77 %). Enterococcus spp. showed very high resistance to D category tetracycline (78.47 %) and C category erythromycin (76.42 %). The 11.79 % of Enterococcus spp. isolates were susceptible to all antimicrobials and 53.33 % were resistant to 2 families, being Erythromycin-Tetracycline the most common AMR profile (51.79 %). Regarding Campylobacter spp., resistance to tetracycline (48 %) was higher than resistance to C category antimicrobials (erythromycin 28 %, streptomycin 24 %, gentamicin 16 %). There was a 52 % sensitivity to all tested antimicrobials and 24 % showed MDR to aminoglycosides, macrolides and tetracyclines (Gentamicin-Streptomycin-Erythromycin-Tetracycline MDR profile). Novel data on AMR in laying hen commensal isolates in Spain was provided. High resistance to several antimicrobials was found, especially to key drugs for the treatment of zoonosis, which represents a public health risk. Better surveillance and careful regulation of antimicrobial use is required in laying hen production.
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Affiliation(s)
- Jorge Rivera-Gomis
- Research Group E095-06 Antimicrobial Resistance in Animal Health, Regional Campus of Excellence "Mare Nostrum", University of Murcia, 30100 Espinardo, Murcia, Spain.
| | - Pedro Marín
- Research Group E095-06 Antimicrobial Resistance in Animal Health, Regional Campus of Excellence "Mare Nostrum", University of Murcia, 30100 Espinardo, Murcia, Spain
| | - Julio Otal
- Animal Production Department, Regional Campus of Excellence "Mare Nostrum", University of Murcia, 30100 Espinardo, Murcia, Spain
| | - Juan Sebastián Galecio
- Research Group E095-06 Antimicrobial Resistance in Animal Health, Regional Campus of Excellence "Mare Nostrum", University of Murcia, 30100 Espinardo, Murcia, Spain; Escuela de Medicina Veterinaria, Colegio de Ciencias de la Salud, Universidad San Francisco de Quito, Cumbayá EC 170157, Ecuador
| | - Cristina Martínez-Conesa
- Research Group on Rainfed Agriculture for Rural Development, Department of Rural Development, Oenology and Sustainable Agriculture. Murcia Institute of Agri-Food Research and Development (IMIDA), 30150 Alberca de Las Torres, Murcia, Spain
| | - María José Cubero
- Research Group E095-06 Antimicrobial Resistance in Animal Health, Regional Campus of Excellence "Mare Nostrum", University of Murcia, 30100 Espinardo, Murcia, Spain
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17
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Rivera-Mendoza D, Martínez-Flores I, Santamaría RI, Lozano L, Bustamante VH, Pérez-Morales D. Genomic Analysis Reveals the Genetic Determinants Associated With Antibiotic Resistance in the Zoonotic Pathogen Campylobacter spp. Distributed Globally. Front Microbiol 2020; 11:513070. [PMID: 33042043 PMCID: PMC7518152 DOI: 10.3389/fmicb.2020.513070] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 08/21/2020] [Indexed: 11/17/2022] Open
Abstract
The genus Campylobacter groups 32 Gram-negative bacteria species, several being zoonotic pathogens and a major cause of human gastroenteritis worldwide. Antibiotic resistant Campylobacter is considered by the World Health Organization as a high priority pathogen for research and development of new antibiotics. Genetic elements related to antibiotic resistance in the classical C. coli and C. jejuni species, which infect humans and livestock, have been analyzed in numerous studies, mainly focused on local geographical areas. However, the presence of these resistance determinants in other Campylobacter species, as well as in C. jejuni and C. coli strains distributed globally, remains poorly studied. In this work, we analyzed the occurrence and distribution of antibiotic resistance factors in 237 Campylobacter closed genomes available in NCBI, obtained from isolates collected worldwide, in different dates, from distinct hosts and comprising 22 Campylobacter species. Our data revealed 18 distinct genetic determinants, genes or point mutations in housekeeping genes, associated with resistance to antibiotics from aminoglycosides, β-lactams, fluoroquinolones, lincosamides, macrolides, phenicols or tetracyclines classes, which are differentially distributed among the Campylobacter species tested, on chromosomes or plasmids. Three resistance determinants, the blaOXA–493 and blaOXA–576 genes, putatively related to β-lactams resistance, as well as the lnu(AN2) gene, putatively related to lincosamides resistance, had not been reported in Campylobacter; thus, they represent novel determinants for antibiotic resistance in Campylobacter spp., which expands the insight on the Campylobacter resistome. Interestingly, we found that some of the genetic determinants associated with antibiotic resistance are Campylobacter species-specific; e.g., the blaOXA–493 gene and the T86V mutation in gyrA were found only in the C. lari group, whereas genes associated with aminoglycosides resistance were found only in C. jejuni and C. coli. Additional analyses revealed how are distributed the resistance and multidrug resistance Campylobacter genotypes assessed, with respect to hosts, geographical locations, and collection dates. Thus, our findings further expand the knowledge on the factors that can determine or favor the antibiotic resistance in Campylobacter species distributed globally, which can be useful to choose a suitable antibiotic treatment to control the zoonotic infections by these bacteria.
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Affiliation(s)
- Daniel Rivera-Mendoza
- Programa de Maestría en Biotecnología, Centro de Investigación en Biotecnología, Universidad Autónoma del Estado de Morelos, Cuernavaca, Mexico
| | - Irma Martínez-Flores
- Programa de Genómica Evolutiva, Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | - Rosa I Santamaría
- Programa de Genómica Evolutiva, Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | - Luis Lozano
- Programa de Genómica Evolutiva, Centro de Ciencias Genómicas, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | - Víctor H Bustamante
- Departamento de Microbiología Molecular, Instituto de Biotecnología, Universidad Nacional Autónoma de México, Cuernavaca, Mexico
| | - Deyanira Pérez-Morales
- CONACYT-Centro de Investigación en Biotecnología, Universidad Autónoma del Estado de Morelos, Cuernavaca, Mexico
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18
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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: 74] [Impact Index Per Article: 18.5] [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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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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