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Jeong J, Lee JY, Moon JS, Kang MS, Kang SI, Lee OM, Lee SH, Kwon YK, Chae M, Cho S. Virulence Genes, Antimicrobial Resistance, and Genotypes of Campylobacter jejuni Isolated from Chicken Slaughterhouses in South Korea. Foodborne Pathog Dis 2024. [PMID: 38608218 DOI: 10.1089/fpd.2023.0144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/14/2024] Open
Abstract
Campylobacter jejuni represents one of the leading causes of bacterial gastroenteritis in humans and is primarily linked to chicken meat contamination. In the present study, we analyzed the virulence and survival genes, antimicrobial resistance, and the clonal distribution of 50 C. jejuni isolates obtained from various sources in 14 chicken slaughterhouses across 8 provinces in South Korea from 2019 to 2022. Furthermore, we determined their genetic relatedness to human-derived isolates registered in PubMLST using multilocus sequence typing (MLST). All isolates harbored various virulence and survival genes (flhA, cadF, cdtA, cdtC, cmeA, and sodB) out of 17 tested genes, as confirmed via polymerase chain reaction analysis. Adherence factor gene virB11 was not detected in any isolate. All isolates harbored 12 or more virulence and survival genes. Antimicrobial susceptibility testing indicated that ciprofloxacin resistance was the most prevalent (84.0%), followed by nalidixic acid (82.0%) and tetracycline (52.0%) resistance. MLST analysis of the isolates revealed 18 sequence types (STs), including four new ones. Overlapping STs between chicken slaughterhouse and human-derived isolates included ST42, ST45, ST50, ST137, ST354, and ST464. Our study identified 11 clonal complexes (CCs), with CC-21 being the most prevalent in both human and chicken slaughterhouse-derived isolates. This study provides comprehensive insights into recent C. jejuni isolates from chicken slaughterhouses, including data on quinolone resistance and virulence factors. The MLST-based genetic relatedness between isolates from humans and chicken slaughterhouses in this study suggests the potential of C. jejuni transmission from chickens to humans through the food chain. This study suggests the need for improved management practices in chicken slaughterhouses to reduce the transmission of chicken slaughterhouse-derived C. jejuni to humans.
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Affiliation(s)
- Jiyeon Jeong
- Avian Disease Research Division, Animal and Plant Quarantine Agency, Gimcheon-si, South Korea
- Department of Veterinary Medicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul, South Korea
| | - Ji-Youn Lee
- Avian Disease Research Division, Animal and Plant Quarantine Agency, Gimcheon-si, South Korea
| | - Jin-San Moon
- Avian Disease Research Division, Animal and Plant Quarantine Agency, Gimcheon-si, South Korea
| | - Min-Su Kang
- Avian Disease Research Division, Animal and Plant Quarantine Agency, Gimcheon-si, South Korea
| | - Sung-Il Kang
- Avian Disease Research Division, Animal and Plant Quarantine Agency, Gimcheon-si, South Korea
| | - O-Mi Lee
- Avian Disease Research Division, Animal and Plant Quarantine Agency, Gimcheon-si, South Korea
| | - So-Hee Lee
- Avian Disease Research Division, Animal and Plant Quarantine Agency, Gimcheon-si, South Korea
| | - Yong-Kuk Kwon
- Avian Disease Research Division, Animal and Plant Quarantine Agency, Gimcheon-si, South Korea
| | - Myeongju Chae
- Avian Disease Research Division, Animal and Plant Quarantine Agency, Gimcheon-si, South Korea
| | - Seongbeom Cho
- Department of Veterinary Medicine, College of Veterinary Medicine and Research Institute for Veterinary Science, Seoul National University, Seoul, South Korea
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Yaseen K, Ali S, Rahman SU, Sajid MS. Comparative Molecular Virulence Typing and Antibiotic Resistance of Campylobacter Species at the Human-Animal-Environment Interface. Foodborne Pathog Dis 2024. [PMID: 38394319 DOI: 10.1089/fpd.2023.0104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2024] Open
Abstract
This study holds significant importance due to its focus on Campylobacter, the leading bacterial cause of gastroenteritis worldwide, responsible for ∼96 million cases each year. By investigating the prevalence of both Campylobacter jejuni and Campylobacter coli in humans, animals, and the environment, this research sheds light on the broader impact of these pathogens, which can harm both human and animal populations. Traditional microbiological methods were implemented followed by optimized multiplex polymerase chain reaction targeting 16S rDNA and virulence gene markers by using specific primers. The findings revealed that a total of 219 Campylobacter isolates were recovered from 528 collected specimens from human, animal, and environmental sources. Campylobacter species showed a prevalence of 41.5%, with C. jejuni accounting for 53% and C. coli for 47%. Antimicrobial resistance rates were high, with tetracycline at 89%, ceftriaxone at 75%, cefotaxime at 70%, erythromycin at 69%, nalidixic acid at 54%, ciprofloxacin at 39%, and gentamicin at 23%. Commonly prevalent virulence-associated genes observed in the Campylobacter were cadF at 93%, flaA at 91%, cdtB at 88%, cheY at 86%, sodB at 78%, and iamA at 32%. The study confirmed multidrug-resistant Campylobacter prevalence at the human-animal-environment interface, harboring virulence-associated genes with potential harm to humans. Data analysis showed a nonsignificant (p ≥ 0.05) correlation between virulence genes and antibiotic susceptibility. To effectively manage Campylobacter infections, a multifaceted strategy incorporating preventative interventions at different levels is required. This strategy should take into account practicability, effectiveness, and sustainability while strengthening surveillance systems and addressing the economics of disease prevention.
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Affiliation(s)
- Kashaf Yaseen
- Institute of Microbiology, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
| | - Sultan Ali
- Institute of Microbiology, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
| | - Sajjad-Ur Rahman
- Institute of Microbiology, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
| | - Muhammad Sohail Sajid
- Department of Parasitology, Faculty of Veterinary Science, University of Agriculture, Faisalabad, Pakistan
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Awad A, Yeh HY, Ramadan H, Rothrock MJ. Genotypic characterization, antimicrobial susceptibility and virulence determinants of Campylobacter jejuni and Campylobacter coli isolated from pastured poultry farms. Front Microbiol 2023; 14:1271551. [PMID: 38029099 PMCID: PMC10668334 DOI: 10.3389/fmicb.2023.1271551] [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: 08/07/2023] [Accepted: 10/25/2023] [Indexed: 12/01/2023] Open
Abstract
Aim Campylobacter is the leading bacterial pathogen that causes foodborne illnesses worldwide. Pasture farming is regarded as an important source of agricultural production for small farming communities. Consumer preference for pasture-raised animal products has increased; however, there is a paucity of information on the microbiological quality of pasture-raised poultry products. The purpose of this study was to explore genetic relatedness of thermophilic Campylobacter isolates, to assess antibiotic resistance phenotypically and genotypically, and to screen the presence of virulence determinants of Campylobacter isolates from pasture-raised poultry farms from southeastern United States. Methods Ninety-seven Campylobacter isolates previously identified by Q7 BAX® System Real-Time PCR were genotyped by multilocus sequence typing (MLST). Campylobacter isolates were then evaluated for their phenotypic antimicrobial susceptibility against nine antimicrobial agents using Sensititre plates. Additionally, Campylobacter isolates were tested for the presence of antimicrobial resistance-associated elements. Furthermore, Campylobacter isolates were screened for the presence of 13 genes encoding putative virulence factors by PCR. These included genes involved in motility (flaA and flhA), adhesion and colonization (cadF, docC, racR, and virB11), toxin production (cdtA, cdtB, cdtC, wlaN, and ceuE) and invasion (ciaB and iamA). Results Among 97 Campylobacter isolates, Campylobacter jejuni (n = 79) and Campylobacter coli (n = 18) were identified. By MLST, C. jejuni isolates were assigned to seven clonal complexes. Among them, ST-353, ST-607 and ST-21 were the most common STs recognized. All C. coli (n = 18) isolates were included in CC-828. Interestingly, eight STs identified were not belonging any previous identified clonal complex. Campylobacter isolates displayed a high resistance rate against tetracycline (81.4%), while a low rate of resistance was observed against macrolides (azithromycin and erythromycin), quinolones and fluoroquinolones (nalidixic acid and ciprofloxacin), aminoglycosides (gentamicin), ketolide (telithromycin), amphenicol (florfenicol) and lincomycin (clindamycin). Thirteen isolates (13.54%) were pan-susceptible to all tested antibiotics, while nine isolates were multi-antimicrobial resistant (MAR; resist to three or more antimicrobial classes). Interestingly, there were no isolates resistant to all antimicrobial classes. Thr86Ile mutation was identified in all quinolones resistant strains. Erythromycin encoding gene (ermB) was identified in 75% of erythromycin resistant isolates. The A2075 mutation was detected in one erythromycin resistant strain, while A2074 could not be identified. The tetO gene was identified in 93.7% of tetracycline resistant isolates and six tetracycline susceptible isolates. In conclusion, the results of this study revealed that Campylobacter isolates from pasture-raised poultry farms showed the ST relatedness to Campylobacter isolates commonly associated with humans, indicating pasture-raised broiler flocks, similar to conventionally-reared broiler flocks, as a potential vector for antibiotic-resistant and pathogenic strains of thermophilic Campylobacter to humans.
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Affiliation(s)
- Amal Awad
- Department of Bacteriology, Mycology, and Immunology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Hung-Yueh Yeh
- U.S. National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA, United States
| | - Hazem Ramadan
- Department of Hygiene and Zoonoses, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Michael J. Rothrock
- U.S. National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA, United States
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Xiao J, Cheng Y, Zhang W, Lu Q, Guo Y, Hu Q, Wen G, Shao H, Luo Q, Zhang T. Genetic characteristics, antimicrobial susceptibility, and virulence genes distribution of Campylobacter isolated from local dual-purpose chickens in central China. Front Cell Infect Microbiol 2023; 13:1236777. [PMID: 37743858 PMCID: PMC10517862 DOI: 10.3389/fcimb.2023.1236777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 08/18/2023] [Indexed: 09/26/2023] Open
Abstract
Food-borne antibiotic-resistant Campylobacter poses a serious threat to public health. To understand the prevalence and genetic characteristics of Campylobacter in Chinese local dual-purpose (meat and eggs) chickens, the genomes of 30 Campylobacter isolates, including 13 C. jejuni and 17 C. coli from Jianghan-chickens in central China, were sequenced and tested for antibiotic susceptibility. The results showed that CC-354 and CC-828 were the dominant clonal complexes of C. jejuni and C. coli, respectively, and a phylogenetic analysis showed that three unclassified multilocus sequence types of C. coli were more closely genetically related to C. jejuni than to other C. coli in this study. Of the six antibiotics tested, the highest resistance rates were to ciprofloxacin and tetracycline (100%), followed by lincomycin (63.3%), erythromycin (30.0%), amikacin (26.7%), and cefotaxime (20.0%). The antibiotic resistance rate of C. coli was higher than that of C. jejuni. The GyrA T86I mutation and 15 acquired resistance genes were detected with whole-genome sequencing (WGS). Among those, the GyrA T86I mutation and tet(O) were most prevalent (both 96.7%), followed by the blaOXA-type gene (90.0%), ant(6)-Ia (26.7%), aac(6')-aph(3'') (23.3%), erm(B) (13.3%), and other genes (3.3%). The ciprofloxacin and tetracycline resistance phenotypes correlated strongly with the GyrA T86I mutation and tet(O)/tet(L), respectively, but for other antibiotics, the correlation between genes and resistance phenotypes were weak, indicating that there may be resistance mechanisms other than the resistance genes detected in this study. Virulence gene analysis showed that several genes related to adhesion, colonization, and invasion (including cadF, porA, ciaB, and jlpA) and cytolethal distending toxin (cdtABC) were only present in C. jejuni. Overall, this study extends our knowledge of the epidemiology and antibiotic resistance of Campylobacter in local Chinese dual-purpose chickens.
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Affiliation(s)
- Jia Xiao
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Yiluo Cheng
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Wenting Zhang
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Qin Lu
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Yunqing Guo
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Qiao Hu
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Guoyuan Wen
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Huabin Shao
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
| | - Qingping Luo
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
- Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Hubei Hongshan Laboratory, Wuhan, China
| | - Tengfei Zhang
- Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture and Rural Affairs), Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
- Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Institute of Animal Husbandry and Veterinary, Hubei Academy of Agricultural Sciences, Wuhan, China
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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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A snapshot survey of antimicrobial resistance in food-animals in low and middle-income countries. One Health 2023; 16:100489. [PMID: 36683959 PMCID: PMC9850425 DOI: 10.1016/j.onehlt.2023.100489] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 01/12/2023] [Accepted: 01/12/2023] [Indexed: 01/15/2023] Open
Abstract
Antimicrobial resistance remains a threat to global public health. Low-and middle-income countries carry a greater burden of resistance because of higher rates of infection as well as, potentially, location-specific risk factors. Food animals occupy a critical crossover point for the spread of antimicrobial resistance to humans and the environment. However, this domain remains poorly surveilled outside high-income settings. We used point surveillance from 191 studies reporting phenotypic AMR in food animals across 38 African, Middle Eastern, Asian and South and Central American countries to depict antimicrobial resistance trend in food animals. By computing Multiple Antibiotic Resistance indices and finding an overall mean of 0.34 ± 0.16, which is above the 0.2 index associated with multidrug resistance and high risk, we show that multidrug resistance in bacteria from food animal sources is worryingly high. MAR indexes from food animals were overall higher than those previously computed from aquaculture but, unlike aquaculture-computed MAR indices, did not track closely with those of human-associated bacteria in the same countries. Food animals are an important reservoir for rising antimicrobial resistance in bacteria, and hence improved surveillance in this sector is highly recommended.
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Genomic characterization of molecular markers associated with antimicrobial resistance and virulence of the prevalent Campylobacter coli isolated from retail chicken meat in the United Arab Emirates. Curr Res Food Sci 2023; 6:100434. [PMID: 36687171 PMCID: PMC9850066 DOI: 10.1016/j.crfs.2023.100434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Revised: 11/24/2022] [Accepted: 01/02/2023] [Indexed: 01/05/2023] Open
Abstract
Campylobacter is a major cause of gastroenteritis worldwide, with broiler meat accounting for most illnesses. Antimicrobial intervention is recommended in severe cases of campylobacteriosis. The emergence of antimicrobial resistance (AMR) in Campylobacter is a concerning food safety challenge, and monitoring the trends of AMR is vital for a better risk assessment. This study aimed to characterize the phenotypic profiles and molecular markers of AMR and virulence in the prevalent Campylobacter species contaminating chilled chicken carcasses sampled from supermarkets in the United Arab Emirates (UAE). Campylobacter was detected in 90 (28.6%) out of 315 tested samples, and up to five isolates from each were confirmed using multiplex PCR. The species C. coli was detected in 83% (75/90) of the positive samples. Whole-genome sequencing was used to characterize the determinants of AMR and potential virulence genes in 45 non-redundant C. coli isolates. We identified nine resistance genes, including four associated with resistance to aminoglycoside (aph(3')-III, ant(6)-Ia, aph(2″)-Ib, and aac(6')-Im), and three associated with Beta-lactam resistance (blaOXA-61, blaOXA-193, and blaOXA-489), and two linked to tetracycline resistance (tet(O/32/O), and tet(O)), as well as point mutations in gyrA (fluoroquinolones resistance), 23S rRNA (macrolides resistance), and rpsL (streptomycin resistance) genes. A mutation in gyrA 2 p.T86I, conferring resistance to fluoroquinolones, was detected in 93% (42/45) of the isolates and showed a perfect match with the phenotype results. The simultaneous presence of blaOXA-61 and blaOXA-193 genes was identified in 86.6% (39/45) of the isolates. In silico analysis identified 7 to 11 virulence factors per each C. coli isolate. Some of these factors were prevalent in all examined strains and were associated with adherence (cadF, and jlpA), colonization and immune evasion (capsule biosynthesis and transport, lipooligosaccharide), and invasion (ciaB). This study provides the first published evidence from the UAE characterizing Campylobacter virulence, antimicrobial resistance genotype, and phenotype analysis from retail chicken. The prevalent C. coli in the UAE retail chicken carries multiple virulence genes and antimicrobial resistance markers and exhibits frequent phenotype resistance to macrolides, quinolones, and tetracyclines. The present investigation adds to the current knowledge on molecular epidemiology and AMR development in non-jejuni Campylobacter species in the Middle East and globally.
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Prevalence, drug resistance spectrum and virulence gene analysis of Campylobacter jejuni in broiler farms in central Shanxi, China. Poult Sci 2022; 102:102419. [PMID: 36599220 PMCID: PMC9823222 DOI: 10.1016/j.psj.2022.102419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/04/2022] [Accepted: 12/05/2022] [Indexed: 12/14/2022] Open
Abstract
This study collected 324 chicken cloacal swabs from 6 broiler farms in 4 different areas in Shanxi Province, China (i.e., Lvliang, Taiyuan, Jinzhong, and Yangquan), and analyzed the antimicrobial resistance and virulence-associated genes of the isolates to investigate the prevalence, drug resistance, and virulence gene data of Campylobacter jejuni in broilers. The population structure of C. jejuni and genetic evolutionary relationships among isolates from broiler farms in different regions were studied by using multilocus sequence typing. A total of 35 C. jejuni isolates with an infection rate of 10.8% (35/324) were obtained. The isolates were most resistant to ampicillin (85.7%) and were most sensitive to erythromycin (14.3%). Isolates with multidrug resistance accounted for 88.6% of the total isolates. In this experiment, 15 distinct sequence types were identified and included 9 new unique sequence types. cadF was present in all isolates, and ciaB had the lowest prevalence (51.4%). C. jejuni collected from broiler farms in central Shanxi had varied infection rates, and their overall positive rate was lower than of C. jejuni collected from other regions of the country. The isolates had high resistance to quinolones and β-lactams, and multidrug resistance was prevalent. The isolates were genotypically diverse and carried 5 virulence-associated genes at high rates. Therefore, the importance of source contamination control in broiler farms is emphasized and may have considerable effects on human and animal health.
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Habib I, Mohamed MYI, Lakshmi GB, Khan M, Li D. Quantification of Campylobacter contamination on chicken carcasses sold in retail markets in the United Arab Emirates. INTERNATIONAL JOURNAL OF FOOD CONTAMINATION 2022. [DOI: 10.1186/s40550-022-00095-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Abstract
Background
Campylobacter is among the leading causes of foodborne zoonotic disease worldwide, with chicken meat accounting for the majority of human illnesses. This baseline study generates the first quantitative data for Campylobacter contamination in the United Arab Emirates chicken meat. Such data will help inform risk analysis and develop evidence-based food safety management.
Methods
For a year, chilled whole chicken carcasses (n = 315) belonging to seven different companies were collected from retail supermarkets. According to standard methods, Campylobacter enumeration was achieved by a direct plating in all chicken samples, and isolates were confirmed using multiplex PCR.
Results
Campylobacter spp. were recovered from 28.6% (90/315) of the samples. Campylobacter enumeration results indicated that 71.4% of the tested samples were contaminated with < 1 log10 CFU (colony-forming units)/g, and 7% were contaminated with ≥3 log10 CFU/g. The mean Campylobacter concentration was 2.70 log10 CFU/g, with a standard deviation of 0.41 log10 CFU/g. Campylobacter counts varied significantly in relation to the sourcing chicken processing companies. Six out of the seven surveyed companies provided Campylobacter positive samples. Moreover, significantly higher (p-value< 0.0001) counts were found to be associated with smaller size chicken carcasses (weighted 600–700 g; compared to the other categories, 800 g and 900–1000 g). Interestingly, C. coli was present in 83% of the positive samples, while C. jejuni was only detected in 6.4% of the samples. Compared with studies from other countries utilizing the same enumeration method, the UAE chicken appears to have a lower prevalence but a higher Campylobacter count per gram of carcasses. Higher Campylobacter counts were significantly associated with smaller carcasses, and C. coli was the dominant species detected in this study’s samples.
Conclusion
These results add to our understanding of the local, regional and global epidemiology of Campylobacter in chicken meat. Outputs of the current study may aid in developing a risk assessment of Campylobacter in the UAE, a country among the biggest per capita consumption markets for chicken meat worldwide.
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Identification of genes associated with environmental persistence in Campylobacter jejuni and Campylobacter coli isolates from processing in a broiler abattoir. Vet Res Commun 2022; 46:1325-1330. [DOI: 10.1007/s11259-022-09981-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 08/01/2022] [Indexed: 10/14/2022]
Abstract
AbstractThe aim of this study was to determine the prevalence of the htrA, htrB and ppk1 genes -all of which are related to environmental persistence- in C. jejuni and C. coli isolates obtained from abattoir samples at the arrival of broilers (initial stage) and in meat products after processing (final stage). A total of 119 DNA extracts (55 C. jejuni and 64 C. coli) were included in the study. Identification of genes was performed by conventional PCR (one for each gene). The overall prevalence was 40.3%, 93.3% and 68.9% for the htrA, htrB and ppk1 genes, respectively. Statistically significant differences were found (p < 0.05) between prevalence of C. jejuni and C. coli for all three genes. In C. coli the prevalence was significantly higher for the htrA (p = 0.007) and htrB (p = 0.015) genes, while ppk1 gene prevalence was significantly higher in C. jejuni (p < 0.001). In addition, statistically significant increase in the frequency of htrA (p = 0.007) and htrB (p = 0.013) genes in the final product compared to broilers on arrival at the abattoir was observed in C. jejuni, but not in C. coli. These results suggest that htrA and htrB genes are involved in environmental persistence of Campylobacter jejuni.
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Antimicrobial Effect of Simira ecuadorensis Extracts and Their Impact on Improving Shelf Life in Chicken and Fish Products. Foods 2022; 11:foods11152352. [PMID: 35954118 PMCID: PMC9368463 DOI: 10.3390/foods11152352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 08/02/2022] [Accepted: 08/02/2022] [Indexed: 11/17/2022] Open
Abstract
The objective of this work was to evaluate the antimicrobial potential of different extracts of Simira ecuadorensis, a characteristic plant of Ecuador, and to validate its potential as a food preservative. Four extracts referred to as ethanol, ethanol-water (50:50 v/v), spray-dried, and freeze-dried were obtained under different processes. Initially, their antimicrobial activities were evaluated against a wide group of microorganisms consisting of 20 pathogenic and spoilage microbial strains found in foods through the agar diffusion method. Then, the extracts with the best yields and antimicrobial properties against microorganisms of greatest interest were selected to determine their effect on model foods preserved under normal commercial conditions through challenge tests. Spray-dried and ethanol-water extracts were tested for their ability to inhibit C. jejuni in chicken model products, where is a common pathogen and Shew. putrefaciens in fish model products as it is a spoilage microorganism frequently found in fish. One solid and one liquid were chosen as model foods: burger and broth, respectively. Campylobacter jejuni and Shewanella putrefaciens were effectively inhibited by the four extracts with minimum inhibitory concentration (MIC) of 80 mg/mL. Bacillus cereus, Yersinia enterocolitica, Clostridium perfringens, and Leuconostoc mesenteroides were also inhibited by ethanolic extract. The ethanol-water extract showed greater antimicrobial activity in fish products, whereas spray-dried extract had low growth inhibition of C. jejuni in chicken burgers; however, it was quite effective on C. jejuni in broth. The spray-dried extract significantly decreased the pH of the chicken burgers, while the ethanolic extract had a slight impact on the pH of the fish burgers. The presence of antibacterial effects revealed that the S. ecuadorensis extracts could be potentially used in food preservation and as a natural antimicrobial.
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Wang T, Zhao W, Li S, Yao H, Zhang Q, Yang L. Characterization of erm(B)-carrying Campylobacter spp. of retail chicken meat origin. J Glob Antimicrob Resist 2022; 30:173-177. [PMID: 35660664 DOI: 10.1016/j.jgar.2022.05.029] [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: 11/17/2021] [Revised: 04/12/2022] [Accepted: 05/29/2022] [Indexed: 11/30/2022] Open
Abstract
OBJECTIVES The erm(B) gene in Campylobacter, conferring resistance to macrolides, poses a great concern worldwide. In this study, the prevalence of erm(B) in Campylobacter of retail chicken meat origin was investigated and the characterization of erm(B)-harboring Campylobacter isolates was also analyzed. METHODS The antimicrobial susceptibility testing was performed to determine the susceptibility of Campylobacter isolates. Whole genome sequencing and analysis were used to characterize ST type and genetic context of erm(B). Natural transformation was conducted to evaluate transferability of the erm(B) gene. RESULTS A total of 16 (11.8%) Campylobacter isolates were obtained from 136 samples collected from retail chicken meat, among which 5 erm(B)-positive isolates were identified as C. coli belonging to ST3753 (n=4) and ST825 (n=1). Furthermore, a total of 22 Campylobacter spp. were erm(B)-positive in GenBank database, all except one C. jejuni isolate were collected in China. Diverse ST types were involved in these erm(B)-carrying isolates. Comparison analysis indicated that 11 types for genetic environment of erm(B) were identified, mostly associated with multidrug-resistance genomic islands (MDRGIs). The genetic context of erm(B) in C. coli of retail chicken meat origin showed highly nucleotide sequence identity to that in C. coli from human. CONCLUSION This is the first report of prevalence and characterization for erm(B) in Campylobacter of retail chicken meat origin. Highly homologous of genetic context of erm(B) in C. coli isolates from retail meat and human, implying the possibility of zoonotic transmission of erm(B) in Campylobacter, which poses a great threat to public health.
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Affiliation(s)
- Tao Wang
- School of Pharmaceutical Sciences, & Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, People's Republic of China
| | - Wenbo Zhao
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, People's Republic of China
| | - Shihong Li
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, People's Republic of China
| | - Hong Yao
- College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, People's Republic of China
| | - Qiurong Zhang
- School of Pharmaceutical Sciences, & Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, People's Republic of China.
| | - Longhua Yang
- School of Pharmaceutical Sciences, & Key Laboratory of Advanced Drug Preparation Technologies, Ministry of Education, Zhengzhou University, Zhengzhou, People's Republic of China.
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13
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Prevalence and antimicrobial resistance of Campylobacter jejuni and C. coli identified in a slaughterhouse in Argentina. Curr Res Food Sci 2022; 5:590-597. [PMID: 35340997 PMCID: PMC8943338 DOI: 10.1016/j.crfs.2022.03.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 03/04/2022] [Accepted: 03/08/2022] [Indexed: 11/21/2022] Open
Abstract
The aim of this study was to evaluate the percentage of Campylobacter (C. jejuni and C. coli) from samples collected at the slaughterhouse to describe the prevalence of resistance to selected antimicrobials, and to characterize the genetic determinants. In total, from 333 samples analyzed, 31% were positive for Campylobacter. More positive samples were detected before the chiller (46%) than after the chiller (16%). C. coli (59%) was more prevalent than C. jejuni (41%). Antimicrobial resistance differences between C. jejuni and C. coli were found (p < 0.001). Multidrug resistance was found in 72% of C. coli isolates and 69% of C. jejuni isolates (p < 0.001). Most C. jejuni isolates (57%) had the three genes of the cmeABC efflux pump. The tet(O) gene and resistance-associated point mutations within both the gyrA and 23S rRNA genes were detected in 100% of C. coli isolates. On the other hand, C. jejuni only had more prevalence of the blaOXA-61 gene than C. coli (p < 0.001), and most of the C. jejuni isolates (70–80%) had the tet(O) and gyrA point mutation. These results could contribute to knowledge about the status of thermotolerant Campylobacter resistant to antimicrobials isolated from food animals in Argentina and to develop an antimicrobial resistance surveillance system. From samples analyzed, 31% were positive for Campylobacter. More positive samples were detected before the chiller (46%) than after it (16%). Multidrug resistance was found in 72% of C. coli isolates and 69% of C. jejuni isolates. The tet(O) gene was detected in 100% of the tetracycline-, resistantC. coliisolates. C.jejuni only had more prevalence of the blaOXA-61 gene than C. coli (p < 0.001).
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Linn KZ, Furuta M, Nakayama M, Masuda Y, Honjoh KI, Miyamoto T. Characterization and antimicrobial resistance of Campylobacter jejuni and Campylobacter coli isolated from chicken and pork. Int J Food Microbiol 2021; 360:109440. [PMID: 34673329 DOI: 10.1016/j.ijfoodmicro.2021.109440] [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: 02/09/2021] [Revised: 09/03/2021] [Accepted: 10/12/2021] [Indexed: 11/28/2022]
Abstract
The prevalence and antimicrobial resistance (AMR) profile were investigated in Campylobacter jejuni and Campylobacter coli in chicken and pork in Fukuoka, Japan in 2019. Their AMR profiles were compared with those of C. jejuni and C. coli strains isolated in 2013. A total of 53 chicken and 14 pork samples were collected from different supermarkets in Fukuoka in 2019. Campylobacter spp. were isolated by conventional method and characterized by PCR and MALDI-TOF MS. Among 53 chicken samples tested in 2019, 24.5% and 5.7% were positive for C. jejuni and C. coli, respectively, and three (21.4%) of 14 pork samples were positive for C. coli, but not C. jejuni. From the positive samples, 13 and six strains of C. jejuni and C. coli were isolated, respectively. Antimicrobial susceptibility test against 12 different antimicrobials were performed on 48 isolates (43 C. jejuni and five C. coli) from chicken in 2013 and 19 isolates (13 C. jejuni from chicken, three C. coli from chicken and three C. coli from pork) in 2019 using the disk diffusion method. All the C. jejuni and C. coli isolated in 2013 and 2019 were highly resistant to cefazolin and sulfamethoxazole/trimethoprim. Among the C. jejuni isolates from chickens, 25.6% of 2013 isolates were resistant to nalidixic acid, ciprofloxacin, and levofloxacin, and 7% to ampicillin and minocycline, while 30.8% of the isolates were resistant to minocycline, 23.1% to nalidixic acid, ciprofloxacin, and levofloxacin, and 15.4% to ampicillin in 2019. Among the C. coli isolates, 80% of isolates from chickens in 2013, and 33.3% from chicken and 100% from pork in 2019 were resistant to nalidixic acid, ciprofloxacin, and levofloxacin. The frequency of multi-drug resistant (MDR) C. jejuni and C. coli strains from chickens in 2019 were 30.8% and 33.3%, respectively, which were lower than those isolated in 2013 (37.2% and 100%, respectively). One C. jejuni and two C. coli isolates from 2013 were resistant to six antibiotics. However, two C. jejuni and one C. coli isolate from chickens in 2019 were resistant to seven and five antibiotics, respectively. All the C. coli isolates from pork in 2019 were resistant to five antibiotics. The high frequency of AMR strains in C. coli isolates from pork suggests that appropriate use of antimicrobials is required in swine husbandry.
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Affiliation(s)
- Khin Zar Linn
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan; Department of Pathology and Microbiology, University of Veterinary Science, Yezin, Nay Pyi Taw, Myanmar
| | - Munenori Furuta
- Department of Food Management, Nakamura Gakuen University Junior College, 5-7-1, Befu, Jounan-ku, Fukuoka 814-0198, Japan
| | - Motokazu Nakayama
- Department of Life Science, Faculty of Life Science, Kyushu Sangyo University, 2-3-1, Matsukadai, Higashi-ku, Fukuoka 813-8503, Japan
| | - Yoshimitsu Masuda
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Ken-Ichi Honjoh
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Takahisa Miyamoto
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School, Kyushu University, 744, Motooka, Nishi-ku, Fukuoka 819-0395, Japan.
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15
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Prevalence and Antimicrobial Resistance Profiles of Foodborne Pathogens Isolated from Dairy Cattle and Poultry Manure Amended Farms in Northeastern Ohio, the United States. Antibiotics (Basel) 2021; 10:antibiotics10121450. [PMID: 34943663 PMCID: PMC8698512 DOI: 10.3390/antibiotics10121450] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 11/17/2021] [Accepted: 11/22/2021] [Indexed: 12/22/2022] Open
Abstract
Foodborne pathogens significantly impact public health globally. Excessive antimicrobial use plays a significant role in the development of the public health crisis of antibiotic resistance. Here, we determined the prevalence and antimicrobial resistance profiles of E. coli O157, Salmonella, L. monocytogenes, and Campylobacter isolated between 2016 and 2020 from small scale agricultural settings that were amended with dairy cattle or poultry manure in Northeastern Ohio. The total prevalence of the foodborne pathogens was 19.3%: Campylobacter 8%, Listeria monocytogenes 7.9%, Escherichia coli O157 1.8%, and Salmonella 1.5%. The prevalence was significantly higher in dairy cattle (87.7%) compared to poultry (12.2%) manure amended farms. Furthermore, the prevalence was higher in manure samples (84%) compared to soil samples (15.9%; p < 0.05). Multiple drug resistance was observed in 73%, 77%, 100%, and 57.3% of E. coli O157, Salmonella, L. monocytogenes, and Campylobacter isolates recovered, respectively. The most frequently observed resistance genes were mphA, aadA, and aphA1 in E. coli O157; blaTEM, tet(B), and strA in Salmonella; penA, ampC, lde, ermB, tet(O), and aadB in L. monocytogenes and blaOXA-61, tet(O), and aadE in Campylobacter. Our results highlight the critical need to address the dissemination of foodborne pathogens and antibiotic resistance in agricultural settings.
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16
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Zhang X, Zhou Q, Tang M, Pu J, Zhang J, Lu J, Zhang Y, Gao Y. Aminoglycoside Resistance and Possible Mechanisms in Campylobacter Spp. Isolated From Chicken and Swine in Jiangsu, China. Front Microbiol 2021; 12:716185. [PMID: 34690960 PMCID: PMC8531746 DOI: 10.3389/fmicb.2021.716185] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Accepted: 09/14/2021] [Indexed: 11/24/2022] Open
Abstract
Campylobacter is a major food-borne pathogen in humans, and previous studies reported a high prevalence of gentamicin-resistant Campylobacter isolates from food-producing animals in China. This study aimed to investigate the aminoglycoside resistance of Campylobacter isolated from chicken and swine in Jiangsu province, China and understand the possible mechanisms responsible for aminoglycoside resistance. One hundred and eighty-five Campylobacter isolates of chicken and swine origins in 2017 and 2018 were analyzed for gentamicin and kanamycin resistance. Some aminoglycoside resistance genes were selected for PCR detection in all strains. The genomic DNAs of two strains with high resistance to gentamicin were used as donors to subject C. jejuni NCTC11168 to natural transformation. The transformants were investigated by whole-genome sequencing and analyzed comparatively with C. jejuni NCTC11168. In total, 30.5% (29/95) of C. jejuni isolates and 42.2% (38/90) of C. coli isolates were resistant to gentamicin and kanamycin. The prevalence of the aph(2")-If gene and aac(6')-Ie/aph(2")-Ia gene was 65.4% (121/185) and 36.2% (67/185) in Campylobacter isolates, respectively. The aadE-sat4-aphA-3 cluster was identified in 8.7% (8/92) and 20.4% (19/93) of all Campylobacter isolates in each year. With each donor DNA, aminoglycoside-resistant transformants were obtained. The transformants showed ≥128-fold increases in the MICs of gentamicin, kanamycin, and tobramycin. A 5200-bp segment was found to be inserted between the highly conserved genes Cj0299 and panB of Campylobacter. A total of 9.7% (18/185) strains showing high resistance to aminoglycosides had this segment by PCR detection. The genetic diversity of the insertion-fragment positive strains was determined by MLST, and seven sequence types were identified for these strains.
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Affiliation(s)
- Xiaoyan Zhang
- Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Jiangsu Institute of Poultry Science, Yangzhou, China
| | - Qian Zhou
- Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Jiangsu Institute of Poultry Science, Yangzhou, China
| | - Mengjun Tang
- Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Jiangsu Institute of Poultry Science, Yangzhou, China
| | - Junhua Pu
- Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Jiangsu Institute of Poultry Science, Yangzhou, China
| | - Jing Zhang
- Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Jiangsu Institute of Poultry Science, Yangzhou, China
| | - Junxian Lu
- Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Jiangsu Institute of Poultry Science, Yangzhou, China
| | - Yunzeng Zhang
- Jiangsu Key Lab of Zoonosis, Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China
| | - Yushi Gao
- Supervision, Inspection & Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Jiangsu Institute of Poultry Science, Yangzhou, China
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17
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Myintzaw P, Jaiswal AK, Jaiswal S. A Review on Campylobacteriosis Associated with Poultry Meat Consumption. FOOD REVIEWS INTERNATIONAL 2021. [DOI: 10.1080/87559129.2021.1942487] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Peter Myintzaw
- School of Food Science and Environmental Health, College of Sciences and Health, Technological University Dublin - City Campus, Central Quad, Grangegorman, Dublin, Ireland
| | - Amit K. Jaiswal
- School of Food Science and Environmental Health, College of Sciences and Health, Technological University Dublin - City Campus, Central Quad, Grangegorman, Dublin, Ireland
- Environmental Sustainability and Health Institute, Technological University Dublin - City Campus, Dublin, Ireland
| | - Swarna Jaiswal
- School of Food Science and Environmental Health, College of Sciences and Health, Technological University Dublin - City Campus, Central Quad, Grangegorman, Dublin, Ireland
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18
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Tang S, Yang R, Wu Q, Ding Y, Wang Z, Zhang J, Lei T, Wu S, Zhang F, Zhang W, Xue L, Zhang Y, Wei X, Pang R, Wang J. First report of the optrA-carrying multidrug resistance genomic island in Campylobacter jejuni isolated from pigeon meat. Int J Food Microbiol 2021; 354:109320. [PMID: 34229231 DOI: 10.1016/j.ijfoodmicro.2021.109320] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2021] [Revised: 06/23/2021] [Accepted: 06/24/2021] [Indexed: 11/19/2022]
Abstract
Campylobacter spp., such as Campylobacter jejuni and Campylobacter coli, are important zoonotic Gram-negative pathogens that cause acute intestinal diseases in humans. The optrA gene, encoding an ATP-binding cassette F (ABC-F) protein that confers resistance to oxazolidinones and phenicols, has been found in C. coli in China. In this study, the optrA gene was first identified in C. jejuni collected from retail meat in China from 2013 to 2016. Nine strains, isolated from a pigeon meat sample, carry the optrA gene. The molecular characteristics of the optrA-positive strains were determined by whole genome sequencing. Pulsed-field gel electrophoresis, multilocus sequence typing, and single nucleotide polymorphism analyses demonstrated that the nine optrA-positive isolates were genetically homogeneous. Phylogenetic characteristics and sequence comparison revealed that optrA was located on a chromosome-borne multidrug resistance genomic island. The optrA gene along with the tet(O) gene formed two different translocatable units (TUs), thereby supporting the transmission of TU-associated resistance genes. The emergence and spread of such TUs and strains are of great concern in terms of food safety, and measures must be implemented to avoid their dissemination in other Gram-negative bacteria and food chains.
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Affiliation(s)
- Shengjun Tang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Runshi Yang
- Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Qingping Wu
- Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China.
| | - Yu Ding
- Department of Food Science and Technology, Jinan University, Guangzhou 510632, China
| | - Zhi Wang
- Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Jumei Zhang
- Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Tao Lei
- Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Shi Wu
- Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Feng Zhang
- Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Weipei Zhang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Liang Xue
- Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Youxiong Zhang
- Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Xianhu Wei
- Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Rui Pang
- Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Juan Wang
- College of Food Science, South China Agricultural University, Guangzhou 510642, China; Guangdong Provincial Key Laboratory of Microbiology Safety and Health, State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China.
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19
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Bai J, Chen Z, Luo K, Zeng F, Qu X, Zhang H, Chen K, Lin Q, He H, Liao M, Zhang J. Highly Prevalent Multidrug-Resistant Campylobacter spp. Isolated From a Yellow-Feathered Broiler Slaughterhouse in South China. Front Microbiol 2021; 12:682741. [PMID: 34220768 PMCID: PMC8242590 DOI: 10.3389/fmicb.2021.682741] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 05/10/2021] [Indexed: 12/03/2022] Open
Abstract
The purpose of this study was to investigate the prevalence, antimicrobial resistance, virulence genes, and genetic diversity of Campylobacter spp. along the yellow-feathered broiler slaughtering line in Southern China from December 2018 to June 2019. A total of 157 Campylobacter spp. isolates were identified from 1,102 samples (including 53.6% (75/140) of live chicken anal swab samples, 27.5% (44/160) of defeathering samples, 18.1% (29/160) of evisceration samples, 2.1% (3/140) of washing samples, 1.4% (2/140) of chilling samples, and 1.1% (4/362) of environmental samples). The prevalence of Campylobacter spp. was 14.2%, including 43.9% Campylobacter jejuni, 53.5% Campylobacter coli, and 2.5% other Campylobacter species. The highest antimicrobial resistance rate was found to be against sulfamethoxazole (138/157, 87.9%), and 90.4% (142/157) of the isolates were multidrug resistant (MDR). Examination of resistance-related genes revealed the double base mutated Thr-86-Ile, which informed ACA-TTA, with an Arg-79-Lys substitution in gyrA. Eleven virulence-associated genes (cadF, cdtA, cdtB, ciaB, flaA, imaA, dnaJ, plaA, virB11, racR, and cdtC) were also detected by a polymerase chain reaction (PCR) analysis, and cadF (81.5%) was the most prevalent. Based on an analysis of pulsed-field gel electrophoresis (PFGE) results, we found that Campylobacter spp. could be cross-contaminated throughout the entire slaughtering line. These results show that it is imperative to study the Campylobacter spp. from the yellow-feathered broiler along the slaughtering line in China to develop preventative and treatment measures for the poultry industry, as well as food safety and public health.
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Affiliation(s)
- Jie Bai
- Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangdong Laboratory for Lingnan Modern Agriculture, National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Zhengquan Chen
- Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangdong Laboratory for Lingnan Modern Agriculture, National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Kaijian Luo
- Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangdong Laboratory for Lingnan Modern Agriculture, National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Fanliang Zeng
- Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangdong Laboratory for Lingnan Modern Agriculture, National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Xiaoyun Qu
- Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangdong Laboratory for Lingnan Modern Agriculture, National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Hongxia Zhang
- Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangdong Laboratory for Lingnan Modern Agriculture, National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Kaifeng Chen
- Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangdong Laboratory for Lingnan Modern Agriculture, National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Qijie Lin
- Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangdong Laboratory for Lingnan Modern Agriculture, National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Haishan He
- Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangdong Laboratory for Lingnan Modern Agriculture, National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Ming Liao
- Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangdong Laboratory for Lingnan Modern Agriculture, National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China.,Key Laboratory of Livestock Disease Prevention of Guangdong Province, Scientific Observation and Experiment Station of Veterinary Drugs and Diagnostic Techniques of Guangdong Province, Ministry of Agriculture, Institute of Animal Health, Guangdong Academy of Agricultural Sciences, Guangzhou, China
| | - Jianmin Zhang
- Key Laboratory of Zoonoses, Ministry of Agriculture, Key Laboratory of Zoonoses Prevention and Control of Guangdong Province, Guangdong Laboratory for Lingnan Modern Agriculture, National and Regional Joint Engineering Laboratory for Medicament of Zoonoses Prevention and Control, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
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20
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Low CX, Tan LTH, Ab Mutalib NS, Pusparajah P, Goh BH, Chan KG, Letchumanan V, Lee LH. Unveiling the Impact of Antibiotics and Alternative Methods for Animal Husbandry: A Review. Antibiotics (Basel) 2021; 10:578. [PMID: 34068272 PMCID: PMC8153128 DOI: 10.3390/antibiotics10050578] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 05/07/2021] [Accepted: 05/09/2021] [Indexed: 02/07/2023] Open
Abstract
Since the 1950s, antibiotics have been used in the field of animal husbandry for growth promotion, therapy and disease prophylaxis. It is estimated that up to 80% of the antibiotics produced by the pharmaceutical industries are used in food production. Most of the antibiotics are used as feed additives at sub-therapeutic levels to promote growth. However, studies show the indiscriminate use of antibiotics has led to the emergence of multidrug-resistant pathogens that threaten both animal health and human health, including vancomycin-resistant Enterococcus (VRE), Methicillin-resistant Staphylococcus aureus (MRSA) and carbapenem-resistant Enterobacteriaceae (CRE). This scenario is further complicated by the slow progress in achieving scientific breakthroughs in uncovering novel antibiotics following the 1960s. Most of the pharmaceutical industries have long diverted research funds away from the field of antibiotic discovery to more lucrative areas of drug development. If this situation is allowed to continue, humans will return to the pre-antibiotics era and potentially succumb to huge health and economic consequences. Fortunately, studies investigating various alternatives to antibiotics use in livestock show promising results. These alternatives include the application of bacteriophages and phage derived peptidoglycan degrading enzymes, engineered peptides, egg yolk antibodies, probiotics, prebiotics and synbiotics, as well as quorum quenching molecules. Therefore, this review aims to discuss the use of growth-promoting antibiotics and their impact on livestock and provide insights on the alternative approaches for animal husbandry.
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Affiliation(s)
- Chuen Xian Low
- Novel Bacteria and Drug Discovery (NBDD) Research Group, Microbiome and Bioresource Research Strength (MBRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia; (C.X.L.); (L.T.-H.T.); (N.-S.A.M.); (P.P.)
| | - Loh Teng-Hern Tan
- Novel Bacteria and Drug Discovery (NBDD) Research Group, Microbiome and Bioresource Research Strength (MBRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia; (C.X.L.); (L.T.-H.T.); (N.-S.A.M.); (P.P.)
- Clinical School Johor Bahru, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Johor Bahru 80100, Malaysia
| | - Nurul-Syakima Ab Mutalib
- Novel Bacteria and Drug Discovery (NBDD) Research Group, Microbiome and Bioresource Research Strength (MBRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia; (C.X.L.); (L.T.-H.T.); (N.-S.A.M.); (P.P.)
- UKM Medical Molecular Biology Institute (UMBI), UKM Medical Centre, Universiti Kebangsaan Malaysia, Kuala Lumpur 50603, Malaysia
| | - Priyia Pusparajah
- Novel Bacteria and Drug Discovery (NBDD) Research Group, Microbiome and Bioresource Research Strength (MBRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia; (C.X.L.); (L.T.-H.T.); (N.-S.A.M.); (P.P.)
| | - Bey-Hing Goh
- Biofunctional Molecule Exploratory Research Group (BMEX), School of Pharmacy, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia;
- College of Pharmaceutical Sciences, Zhenjiang University, Hangzhou 310058, China
| | - Kok-Gan Chan
- Division of Genetics and Molecular Biology, Institute of Biological Sciences, Faculty of Science, University of Malaya, Kuala Lumpur 50603, Malaysia
- International Genome Centre, Jiangsu University, Zhenjiang 212013, China
| | - Vengadesh Letchumanan
- Novel Bacteria and Drug Discovery (NBDD) Research Group, Microbiome and Bioresource Research Strength (MBRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia; (C.X.L.); (L.T.-H.T.); (N.-S.A.M.); (P.P.)
| | - Learn-Han Lee
- Novel Bacteria and Drug Discovery (NBDD) Research Group, Microbiome and Bioresource Research Strength (MBRS), Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Selangor Darul Ehsan 47500, Malaysia; (C.X.L.); (L.T.-H.T.); (N.-S.A.M.); (P.P.)
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21
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Complete Genetic Analysis of Plasmids Carrying mcr-1 and Other Resistance Genes in Avian Pathogenic Escherichia coli Isolates from Diseased Chickens in Anhui Province in China. mSphere 2021; 6:6/2/e01135-20. [PMID: 33853876 PMCID: PMC8546713 DOI: 10.1128/msphere.01135-20] [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] [Indexed: 11/20/2022] Open
Abstract
Antimicrobial resistance associated with colistin has emerged as a significant concern worldwide, threatening the use of one of the most important antimicrobials for treating human disease. This study aimed to investigate the prevalence of colistin-resistant avian-pathogenic Escherichia coli (APEC) and shed light on the possibility of transmission of mcr-1 (mobilized colistin resistance)-positive APEC. A total of 72 APEC isolates from Anhui Province in China were collected between March 2017 and December 2018 and screened for the mcr-1 gene. Antimicrobial susceptibility testing was performed using the broth dilution method. Pulsed-field gel electrophoresis, Southern blot analysis, and conjugation assay were performed to determine the location and conjugative ability of the mcr-1 gene. Whole-genome sequencing and analysis were performed using Illumina MiSeq and Nanopore MinION platforms. Three APEC isolates (AH25, AH62, and AH65) were found to be positive for the mcr-1 gene and showed multidrug resistance. The mcr-1 genes were located on IncI2 plasmids, and conjugation assays revealed that these plasmids were transferrable. Notably, strains AH62 and AH65, both belonging to ST1788, were collected from different places but carried the same drug resistance genes and shared highly similar plasmids. This study highlights the potential for a possible epidemic of mcr-1-positive APEC and the urgent need for continuous active monitoring. IMPORTANCE In this study, three plasmids carrying mcr-1 were isolated and characterized from APEC isolates from Anhui Province in China. The mcr-1 genes were located on IncI2 plasmids, and these plasmids were transferrable. These three IncI2 plasmids had high homology with the plasmids harbored by pathogenic bacteria isolated from other species. This finding showed that IncI2 plasmids poses a risk for the exchange of genetic material between different niches. Although colistin has been banned for use in food-producing animals in China, the coexistence of the broad-spectrum β-lactamase and mcr-1 genes on a plasmid can also lead to the stable existence of mcr-1 genes. The findings illustrated the need to improve the monitoring of drug resistance in poultry systems so as to curb the transmission or persistence of multidrug-resistant bacteria.
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22
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Kim SH, Chelliah R, Ramakrishnan SR, Perumal AS, Bang WS, Rubab M, Daliri EBM, Barathikannan K, Elahi F, Park E, Jo HY, Hwang SB, Oh DH. Review on Stress Tolerance in Campylobacter jejuni. Front Cell Infect Microbiol 2021; 10:596570. [PMID: 33614524 PMCID: PMC7890702 DOI: 10.3389/fcimb.2020.596570] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 12/03/2020] [Indexed: 01/17/2023] Open
Abstract
Campylobacter spp. are the leading global cause of bacterial colon infections in humans. Enteropathogens are subjected to several stress conditions in the host colon, food complexes, and the environment. Species of the genus Campylobacter, in collective interactions with certain enteropathogens, can manage and survive such stress conditions. The stress-adaptation mechanisms of Campylobacter spp. diverge from other enteropathogenic bacteria, such as Escherichia coli, Salmonella enterica serovar Typhi, S. enterica ser. Paratyphi, S. enterica ser. Typhimurium, and species of the genera Klebsiella and Shigella. This review summarizes the different mechanisms of various stress-adaptive factors on the basis of species diversity in Campylobacter, including their response to various stress conditions that enhance their ability to survive on different types of food and in adverse environmental conditions. Understanding how these stress adaptation mechanisms in Campylobacter, and other enteric bacteria, are used to overcome various challenging environments facilitates the fight against resistance mechanisms in Campylobacter spp., and aids the development of novel therapeutics to control Campylobacter in both veterinary and human populations.
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Affiliation(s)
- Se-Hun Kim
- Food Microbiology Division, Food Safety Evaluation Department, National Institute of Food and Drug Safety Evaluation, Cheongju, South Korea.,College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Ramachandran Chelliah
- College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Sudha Rani Ramakrishnan
- School of Food Science, Department of Food Science and Biotechnology, College of Agriculture and Life Sciences, Kyungpook National University, Daegu, South Korea
| | | | - Woo-Suk Bang
- Department of Food and Nutrition, College of Human Ecology and Kinesiology, Yeungnam University, Gyeongsan, South Korea
| | - Momna Rubab
- College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Eric Banan-Mwine Daliri
- College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Kaliyan Barathikannan
- College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Fazle Elahi
- College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Eunji Park
- College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Hyeon Yeong Jo
- College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Su-Bin Hwang
- College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
| | - Deog Hwan Oh
- College of Agriculture and Life Sciences, Kangwon National University, Chuncheon, South Korea
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23
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Kwon BR, Wei B, Cha SY, Shang K, Zhang JF, Kang M, Jang HK. Longitudinal Study of the Distribution of Antimicrobial-Resistant Campylobacter Isolates from an Integrated Broiler Chicken Operation. Animals (Basel) 2021; 11:246. [PMID: 33498355 PMCID: PMC7909429 DOI: 10.3390/ani11020246] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Revised: 01/15/2021] [Accepted: 01/15/2021] [Indexed: 12/11/2022] Open
Abstract
The aim of this study was to analyze the prevalence, antimicrobial resistance, and genetic diversity of Campylobacter isolates that were obtained from whole chicken production stages in Korea. A total of 1348 samples were collected from 10 production lines. The prevalence of Campylobacter in breeder farm, broiler farm, slaughterhouse, and retail meat products was 50.0%, 3.3%, 13.4%, and 68.4%, respectively, and Campylobacter was not detected at the hatchery stage. Resistance to quinolones/fluoroquinolones was the most prevalent at all stages. Among the multidrug-resistant isolates, 16 isolates (19.8%) from breeder farm were resistant to both azithromycin and ciprofloxacin. A total of 182 isolates were subdivided into 82 pulsed-field gel electrophoresis (PFGE) genotypes with 100% similarity. Diverse genotypes were presented with discontinuous patterns along the whole production chain. Thirty percent of Campylobacter-free flocks became positive after slaughtering. An identical genotype was simultaneously detected from both breeder farm and retail meat, even from different production lines. This study reveals that antimicrobial-resistant Campylobacter contamination can occur at all stages of the chicken supply chain. In particular, the breeder farm and slaughterhouse should be the main control points, as they are the potential stages at which antimicrobial-resistant Campylobacter could spread to retail meat products by horizontal transmission.
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Affiliation(s)
- Bo-Ram Kwon
- Department of Veterinary Infectious Diseases and Avian Diseases, College of Veterinary Medicine and Center for Poultry Diseases Control, Jeonbuk National University, Iksan 54596, Korea; (B.-R.K.); (B.W.); (S.-Y.C.); (K.S.); (J.-F.Z.)
| | - Bai Wei
- Department of Veterinary Infectious Diseases and Avian Diseases, College of Veterinary Medicine and Center for Poultry Diseases Control, Jeonbuk National University, Iksan 54596, Korea; (B.-R.K.); (B.W.); (S.-Y.C.); (K.S.); (J.-F.Z.)
| | - Se-Yeoun Cha
- Department of Veterinary Infectious Diseases and Avian Diseases, College of Veterinary Medicine and Center for Poultry Diseases Control, Jeonbuk National University, Iksan 54596, Korea; (B.-R.K.); (B.W.); (S.-Y.C.); (K.S.); (J.-F.Z.)
| | - Ke Shang
- Department of Veterinary Infectious Diseases and Avian Diseases, College of Veterinary Medicine and Center for Poultry Diseases Control, Jeonbuk National University, Iksan 54596, Korea; (B.-R.K.); (B.W.); (S.-Y.C.); (K.S.); (J.-F.Z.)
| | - Jun-Feng Zhang
- Department of Veterinary Infectious Diseases and Avian Diseases, College of Veterinary Medicine and Center for Poultry Diseases Control, Jeonbuk National University, Iksan 54596, Korea; (B.-R.K.); (B.W.); (S.-Y.C.); (K.S.); (J.-F.Z.)
| | - Min Kang
- Department of Veterinary Infectious Diseases and Avian Diseases, College of Veterinary Medicine and Center for Poultry Diseases Control, Jeonbuk National University, Iksan 54596, Korea; (B.-R.K.); (B.W.); (S.-Y.C.); (K.S.); (J.-F.Z.)
- Bio Disease Control (BIOD) Co., Ltd., Iksan 54596, Korea
| | - Hyung-Kwan Jang
- Department of Veterinary Infectious Diseases and Avian Diseases, College of Veterinary Medicine and Center for Poultry Diseases Control, Jeonbuk National University, Iksan 54596, Korea; (B.-R.K.); (B.W.); (S.-Y.C.); (K.S.); (J.-F.Z.)
- Bio Disease Control (BIOD) Co., Ltd., Iksan 54596, Korea
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24
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Wangroongsarb P, Cheunban N, Jittaprasatsin C, Kamthalang T, Saipradit N, Chaichana P, Pulsrikarn C, Parnmen S, Sripichai O. Prevalence and antimicrobial susceptibility of Campylobacter isolated from retail chickens in Thailand. Int J Food Microbiol 2020; 339:109017. [PMID: 33338980 DOI: 10.1016/j.ijfoodmicro.2020.109017] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 11/25/2020] [Accepted: 12/01/2020] [Indexed: 10/22/2022]
Abstract
Campylobacter is an important foodborne pathogen causing bacterial gastroenteritis worldwide; however, there has been a lack of information over the past decade on its occurrence, antibiotic susceptibility and genetic diversity in Thailand. Poultry meat is considered as a reservoir for transmission of Campylobacter to humans. This study determines the prevalence and antimicrobial resistance patterns of Campylobacter spp. on chicken samples purchased from 50 local wet markets and supermarkets in central Thailand. Of the 296 samples, 99 (33.5%) were contaminated with C. jejuni, 54 (18.2%) were C. coli and 15 (5.1%) were contaminated with both species. Antibiotic resistance rate is higher among C. coli isolates; 100%, 76.8%, 37.7%, 36.2% and 13.0% were resistant to quinolones, cyclines, macrolides, clindamycin and gentamicin, respectively. Most of the C. jejuni isolates were resistant to quinolones (79.8%) and cyclines (38.6%) whereas resistance to macrolides, clindamycin and gentamicin was found to be 1.8%. Multi-drug resistance (i.e. to three or more unrelated antimicrobials) was detected in 37.7% of C. coli and 1.8% of C. jejuni isolates. This study has revealed high contamination rates and alarming levels of antimicrobial resistance in Campylobacter spp. isolated from retail chicken samples in Thailand, suggesting the necessity of implementing interventions to reduce its prevalence from farm to table in the country.
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Affiliation(s)
- Piyada Wangroongsarb
- National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi 11000, Thailand
| | - Nattapong Cheunban
- National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi 11000, Thailand
| | - Chutima Jittaprasatsin
- National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi 11000, Thailand
| | - Thanitchai Kamthalang
- National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi 11000, Thailand
| | - Nonglak Saipradit
- National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi 11000, Thailand
| | - Pattharaporn Chaichana
- National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi 11000, Thailand
| | - Chaiwat Pulsrikarn
- National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi 11000, Thailand
| | - Sittiporn Parnmen
- National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi 11000, Thailand
| | - Orapan Sripichai
- National Institute of Health, Department of Medical Sciences, Ministry of Public Health, Nonthaburi 11000, Thailand.
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25
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Kelley BR, Ellis JC, Large A, Schneider LG, Jacobson D, Johnson JG. Whole-Genome Sequencing and Bioinformatic Analysis of Environmental, Agricultural, and Human Campylobacter jejuni Isolates From East Tennessee. Front Microbiol 2020; 11:571064. [PMID: 33224113 PMCID: PMC7674308 DOI: 10.3389/fmicb.2020.571064] [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: 06/09/2020] [Accepted: 10/08/2020] [Indexed: 12/28/2022] Open
Abstract
As a leading cause of bacterial-derived gastroenteritis worldwide, Campylobacter jejuni has a significant impact on human health in both the developed and developing worlds. Despite its prevalence as a human pathogen, the source of these infections remains poorly understood due to the mutation frequency of the organism and past limitations of whole genome analysis. Recent advances in both whole genome sequencing and computational methods have allowed for the high-resolution analysis of intraspecies diversity, leading multiple groups to postulate that these approaches may be used to identify the sources of Campylobacter jejuni infection. To address this hypothesis, our group conducted a regionally and temporally restricted sampling of agricultural and environmental Campylobacter sources and compared isolated C. jejuni genomes to those that caused human infections in the same region during the same time period. Through a network analysis comparing genomes from various sources, we found that human C. jejuni isolates clustered with those isolated from cattle and chickens, indicating these as potential sources of human infection in the region.
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Affiliation(s)
- Brittni R Kelley
- Department of Microbiology, The University of Tennessee, Knoxville, Knoxville, TN, United States
| | | | - Annabel Large
- Biosciences, Oak Ridge National Laboratory, Oak Ridge, TN, United States
| | - Liesel G Schneider
- Department of Animal Science, The University of Tennessee, Knoxville, Knoxville, TN, United States
| | - Daniel Jacobson
- Biosciences, Oak Ridge National Laboratory, Oak Ridge, TN, United States
- Bredesen Center, The University of Tennessee, Knoxville, Knoxville, TN, United States
| | - Jeremiah G Johnson
- Department of Microbiology, The University of Tennessee, Knoxville, Knoxville, TN, United States
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26
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Tang M, Zhou Q, Zhang X, Zhou S, Zhang J, Tang X, Lu J, Gao Y. Antibiotic Resistance Profiles and Molecular Mechanisms of Campylobacter From Chicken and Pig in China. Front Microbiol 2020; 11:592496. [PMID: 33193261 PMCID: PMC7652819 DOI: 10.3389/fmicb.2020.592496] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 10/08/2020] [Indexed: 01/22/2023] Open
Abstract
The purpose of this research was to characterize the antibiotic resistance profiles of Campylobacter spp. derived from chicken and pig feces collected from farms in Jiangsu Province, China, and to analyze the relevant resistance mechanisms among antimicrobial-resistant Campylobacter spp. isolates. Antibiotic susceptibility to nine antibiotic agents was tested with the microdilution method in 93 Campylobacter spp. (45 C. jejuni and 25 C. coli from chickens; 23 C. coli from pigs). High rates of resistance were observed to nalidixic acid (79.6%), erythromycin (75.3%), tetracycline (68.8%), azithromycin (66.7%), ciprofloxacin (64.5%), and gentamicin (35.5%), with a lower resistance rate to florfenicol (8.6%). The prevalence of the tested antibiotic resistance in C. coli was higher than in C. jejuni from chickens. The rate of antimicrobial resistance to ciprofloxacin in C. coli isolates from chickens was 100.0%, and the C. coli isolates from pigs were all resistant to erythromycin (100%). Most of C. jejuni (64.4%) and C. coli (64.5%) isolates displayed multi-drug resistance. All the Campylobacter spp. isolates resistant to fluoroquinolones had the C257T mutation in the gyrA gene. All 64 tetracycline-resistant Campylobacter spp. isolates were positive for the tetO gene. The tetA gene was also amplified in 6.5% of Campylobacter spp. isolates, whereas tetB was not detected among the isolates. The A2075G point mutation in the 23S rRNA gene occurred in 86.1% (62/72) of the macrolides-resistant Campylobacter spp. isolates, and the ermB gene was identified in 49 Campylobacter spp. isolates (30 C. jejuni and 19 C. coli). Amino acid insertions or mutations in the L4 and L22 ribosomal proteins were not linked to macrolide resistance. These results highlight the high prevalence of resistance to multiple antibiotics, particular macrolides, among Campylobacter spp. from chickens and pigs in Jiangsu Province, China, which is probably attributable to the overuse of antimicrobials in chicken and pig production. These findings recommend the more cautious use of critical antimicrobial agents in swine and poultry production. Stringent and continuous surveillance is required to reduce the drug-resistant campylobacteriosis in food animals and humans.
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Affiliation(s)
- Mengjun Tang
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection and Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, China
| | - Qian Zhou
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection and Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, China
| | - Xiaoyan Zhang
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection and Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, China
| | - Sheng Zhou
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection and Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, China
| | - Jing Zhang
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection and Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, China
| | - Xiujun Tang
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection and Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, China
| | - Junxian Lu
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection and Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, China
| | - Yushi Gao
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection and Testing Centre for Poultry Quality (Yangzhou), Ministry of Agriculture, Yangzhou, China
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27
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Igwaran A, Okoh AI. Molecular determination of genetic diversity among Campylobacter jejuni and Campylobacter coli isolated from milk, water, and meat samples using enterobacterial repetitive intergenic consensus PCR (ERIC-PCR). Infect Ecol Epidemiol 2020; 10:1830701. [PMID: 33133420 PMCID: PMC7580821 DOI: 10.1080/20008686.2020.1830701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Consumption of contaminated meat, milk, and water are among the major routes of human campylobacteriosis. This study aimed to determined the genetic diversity of C. coli and C. jejuni isolated from meat, milk, and water samples collected from different locations. From the 376 samples (meat = 248, cow milk = 72, and water = 56) collected, a total of 1238 presumptive Campylobacter isolates were recovered and the presence of the genus Campylobacter were detected in 402 isolates, and from which, 85 and 67 isolates were identified asC. jejuni and C. coli respectively. Of which, 71 isolates identified as C. coli (n = 35) and C. jejuni (n = 36) were randomly selected from meat, milk, and water samples and were genotyped using enterobacterial repetitive intergenic consensus PCR (ERIC-PCR). The digital images of the ERIC-PCR genotype were analyzed by GelJ v.2.0 software. The diversity and similarity of the isolates were assessed via an unweighted-pair group method using average linkages clustering algorithm. The results showed that the 36 C. jejuni strains separated into 29 ERIC-genotypes and 4 clusters while the 35 C. coli were delineated into 29 ERIC-genotypes and 6 clusters. The study revealed the genetic diversity among C. coli and C. jejuni strains recovered from different matrices characterized by Gelj.
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Affiliation(s)
- Aboi Igwaran
- SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, South Africa.,Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Alice, South Africa
| | - Anthony Ifeanyi Okoh
- SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, South Africa.,Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Alice, South Africa
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28
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Guirin GF, Brusa V, Adriani CD, Leotta GA. Prevalence of Campylobacter jejuni and Campylobacter coli from broilers at conventional and kosher abattoirs and retail stores. Rev Argent Microbiol 2020; 52:217-220. [PMID: 31786073 DOI: 10.1016/j.ram.2019.07.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 05/07/2019] [Accepted: 07/13/2019] [Indexed: 10/25/2022] Open
Abstract
We studied and compared the prevalence of Campylobacter jejuni and Campylobacter coli in chicken carcasses from conventional and kosher broiler abattoirs and retail stores. The prevalence of thermotolerant Campylobacter-positive carcasses was 94.0 (kosher) and 32.0% (conventional) (p<0.0001), while the prevalence of samples contaminated with C. jejuni, C. coli and simultaneously with both species was 36.0, 2.0 and 56.0% (kosher) and 26.0, 4.0 and 2.0% (conventional) (p<0.0001), respectively. Samples of chicken carcasses (n=25) and food contact surfaces (tables, n=25; knives, n=25) from 25 retails were collected and risk quantification was performed. Retails were categorized as high-risk (n=11), moderate-risk (n=11) and low-risk (n=3). Nineteen (76.0%) carcasses, 20 (80.0%) tables and 18 (72.0%) knives were Campylobacter-positive. Retails and abattoirs proved to be sources of carcass contamination with Campylobacter spp. Carcasses from kosher abattoirs were mostly contaminated with Campylobacter spp., whereas C. coli was the most prevalent species isolated from carcasses in retail stores.
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Affiliation(s)
| | - Victoria Brusa
- IGEVET - Instituto de Genética Veterinaria "Ing. Fernando N. Dulout" (UNLP-CONICET LA PLATA), Facultad de Ciencias Veterinarias UNLP, Calle 60 y 118 s/n, 1900 La Plata, Argentina.
| | - Cristian D Adriani
- Departamento de Seguridad Alimentaria, Municipalidad de Berisso, Berisso, Argentina
| | - Gerardo A Leotta
- IGEVET - Instituto de Genética Veterinaria "Ing. Fernando N. Dulout" (UNLP-CONICET LA PLATA), Facultad de Ciencias Veterinarias UNLP, Calle 60 y 118 s/n, 1900 La Plata, Argentina
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29
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Prevalence, genotypic diversity and detection of virulence genes in thermotolerant Campylobacter at different stages of the poultry meat supply chain. Int J Food Microbiol 2020; 326:108641. [PMID: 32371295 DOI: 10.1016/j.ijfoodmicro.2020.108641] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 04/06/2020] [Accepted: 04/14/2020] [Indexed: 12/19/2022]
Abstract
Thermotolerant Campylobacter is the leading bacterial cause of foodborne illness in humans worldwide. The objectives of this study were to estimate prevalence and to identify and characterize potential sources of thermotolerant Campylobacter contamination in broilers on farms and at the slaughterhouse; to evaluate the clonal relationship among thermotolerant Campylobacter isolates from different stages of the broiler meat supply chain, and to analyze the presence of virulence genes in different sources of thermotolerant Campylobacter. A total of 1210 samples were collected from three broiler meat supply chains in Santa Fe, Argentina. At the farms, the sampling collection included broilers one week prior to slaughter, wild-living birds, domestic dogs, wild rodents, farm workers' boots, litter, feed, drinking water, flies, and darkling beetles (Alphitobius diaperinus). At the slaughtering line, the samples taken were from the evisceration zone (broiler cecum, working surfaces, evisceration knives and workers' hands), from the chiller zone (surfaces and direct supply water) and from the packing zone (work surfaces, workers' hands and broiler carcasses). The samples taken along each supply chain were in the same batch. The isolates obtained were identified to the species level (C. jejuni and C. coli) by multiplex PCR and were analyzed using pulsed-field gel electrophoresis to compare different profiles according to the source. Finally, the presence of 11 virulence genes was examined (cadF, cdtA, cdtB, cdtC, ciaB, flaA, flhA, iam, wlaN, virB11, racR). From 254 isolates, 128 (50.4%) were Campylobacter jejuni and 126 (49.6%) Campylobacter coli. C. jejuni was the species most prevalent in farm and C. coli the species most prevalent at the slaughterhouse. We detected thermotolerant Campylobacter in samples of wild birds, darkling beetles, farm workers' boots, flies and litter. At the slaughterhouse, the prevalence varied along the process line. By analyzing PFGE results, C. jejuni showed 21 profiles with three predominant genotypes, while C. coli showed 14 profiles with four predominant genotypes. A high genotype diversity was found; however, relationships between isolates from different stages of the broiler meat chain, between broiler and potential sources of thermotolerant Campylobacter contamination and between strains in the farm and in the slaughterhouse were detected. Furthermore, there was evidence of cross-contamination at the slaughterhouse. FlaA, flhA genes were detected in all strains, and the third most prevalent virulence gene was cadF. Only those strains obtained from flies, wild-living birds and broiler carcass samples harbored 10 of 11 pathogenic genes. The prevalence of some pathogenic genes between C. jejuni and C. coli was different. This evidence should contribute the scientific basis to implement risk management measures in public health.
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Neogi SB, Islam MM, Islam SKS, Akhter AHMT, Sikder MMH, Yamasaki S, Kabir SML. Risk of multi-drug resistant Campylobacter spp. and residual antimicrobials at poultry farms and live bird markets in Bangladesh. BMC Infect Dis 2020; 20:278. [PMID: 32293315 PMCID: PMC7158023 DOI: 10.1186/s12879-020-05006-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Accepted: 03/31/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Understanding potential risks of multi-drug resistant (MDR) pathogens from the booming poultry sector is a crucial public health concern. Campylobacter spp. are among the most important zoonotic pathogens associated with MDR infections in poultry and human. This study systematically examined potential risks and associated socio-environmental factors of MDR Campylobacter spp. in poultry farms and live bird markets (LBMs) of Bangladesh. METHODS Microbial culture and PCR-based methods were applied to examine the occurrence and MDR patterns of Campylobacter spp. in potential sources (n = 224) at 7 hatcheries, 9 broiler farms and 4 LBMs in three sub-districts. Antimicrobial residues in broiler meat and liver samples (n = 50) were detected by advanced chromatographic techniques. A questionnaire based cross-sectional survey was conducted on socio-environmental factors. RESULTS Overall, 32% (71/ 224) samples were found contaminated with Campylobacter spp. In poultry farms, Campylobacter spp. was primarily found in cloacal swab (21/49, 43%), followed by drinking water (8/24, 33%), and meat (8/28, 29%) samples of broilers. Remarkably, at LBMs, Campylobacter spp. was detected in higher prevalence (p < 0.05) in broiler meat (14/26, 54%), which could be related (p < 0.01) to bacterial contamination of drinking water (11/21, 52%) and floor (9/21, 43%). Campylobacter isolates, one from each of 71 positive samples, were differentiated into Campylobacter jejuni (66%) and Campylobacter coli (34%). Alarmingly, 49 and 42% strains of C. jejuni and C. coli, respectively, were observed as MDR, i.e., resistant to three or more antimicrobials, including, tetracycline, amoxicillin, streptomycin, fluoroquinolones, and macrolides. Residual antimicrobials (oxytetracycline, ciprofloxacin and enrofloxacin) were detected in majority of broiler liver (79%) and meat (62%) samples, among which 33 and 19%, respectively, had concentration above acceptable limit. Inadequate personal and environmental hygiene, unscrupulously use of antimicrobials, improper waste disposal, and lack of health surveillance were distinguishable risk factors, with local diversity and compound influences on MDR pathogens. CONCLUSION Potential contamination sources and anthropogenic factors associated with the alarming occurrence of MDR Campylobacter, noted in this study, would aid in developing interventions to minimize the increasing risks of poultry-associated MDR pathogens under 'One Health' banner that includes poultry, human and environment perspectives.
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Affiliation(s)
- Sucharit Basu Neogi
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Osaka, Japan
| | - Md Mehedul Islam
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - S K Shaheenur Islam
- Epidemiology Unit, Department of Livestock Services, Krishi Khamar Sarak, Farmgate, Dhaka, 1215, Bangladesh
| | - A H M Taslima Akhter
- FAO-Food Safety Program (FSP), Institute of Public Health, Mohakhali, Dhaka, 1215, Bangladesh
| | | | - Shinji Yamasaki
- Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Osaka, Japan
| | - S M Lutful Kabir
- Department of Microbiology and Hygiene, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh.
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Genotyping, virulence genes and antimicrobial resistance of Campylobacter spp.isolated during two seasonal periods in Spanish poultry farms. Prev Vet Med 2020; 176:104935. [PMID: 32109783 DOI: 10.1016/j.prevetmed.2020.104935] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 02/17/2020] [Accepted: 02/19/2020] [Indexed: 12/23/2022]
Abstract
Campylobacter spp. are the leading causes of bacterial human gastroenteritis worldwide; being poultry farms the main source of infections. In order to obtain information on prevalence and diversity of Campylobacter-infected flocks in the North of Spain, fourteen farms were studied between autumn and spring in 2014 and 2015, respectively. Moreover, virulence genes involved in pathogenicity and antimicrobial resistance were investigated. A survey about preventive hygiene practices at farms was performed to determine the risky practices that could contribute to the presence of Campylobacter in this step of the poultry food chain. Testing the presence of Campylobacter spp. showed 43 % of the farms were positive during autumn, whereas only 31 % were positive in spring. A very high prevalence within-flock was observed (43.1 % to 88.6 %) and C. jejuni was the most prevalent species in both periods. Genotyping by pulsed field gel electrophoresis (PFGE) showed a high heterogeneity among farms (309 isolates clustered into 21 pulsotypes). Virulence genes were present in all C. jejuni isolates while cdtA and cdtC were absent in C. coli. On the contrary, the latter showed higher antimicrobial resistance than C. jejuni. This study suggests that environment might be one of the main sources for Campylobacter transmission, as water supply seemed to be a clear cause of the contamination in a specific farm. However, in other farms other environmental factors contributed to the contamination, confirming the multifactorial origin of Campylobacter colonization in broilers. Therefore, biosecurity measures in farms are crucial to reduce Campylobacter contamination, which may have important implications for human and animal health.
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Han X, Guan X, Zeng H, Li J, Huang X, Wen Y, Zhao Q, Huang X, Yan Q, Huang Y, Cao S, Wu R, Ma X, Zou L. Prevalence, antimicrobial resistance profiles and virulence-associated genes of thermophilic Campylobacter spp. isolated from ducks in a Chinese slaughterhouse. Food Control 2019. [DOI: 10.1016/j.foodcont.2019.04.038] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Rafei R, Al Kassaa I, Osman M, Dabboussi F, Hamze M. Molecular epidemiology of Campylobacter isolates from broiler slaughterhouses in Tripoli, North of Lebanon. Br Poult Sci 2019; 60:675-682. [PMID: 31321996 DOI: 10.1080/00071668.2019.1645945] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
1. The real burden of Campylobacter spp. in Lebanon is still unknown. The aims of this study were to unravel the epidemiology of Campylobacter spp. in broilers at slaughterhouses in Tripoli, North of Lebanon and to characterise their antibiotic resistance profiles.2. From May to November 2015, sampling was performed through five repeated surveys from 15 slaughterhouses that sold chicken directly to Lebanese customers. Isolates were subjected to pulsed field gel electrophoresis (PFGE) and flaA-restriction fragment length polymorphism (flaA-RFLP).3. All investigated slaughterhouses were found to be positive for Campylobacter spp. Campylobacter coli was the predominant species (38 isolates) followed by C. jejuni (eight isolates). A noticeable level of resistance was detected among isolates against ciprofloxacin (97% of C. coli and 87.5% of C. jejuni), amoxicillin (89% of C. coli and 75% of C. jejuni), gentamicin (79% of C. coli and 50% of C. jejuni), and co-amoxiclav (24% of C. coli and 25% of C. jejuni). Erythromycin and ertapenem resistance were observed only in C. coli with the following percentages 74% and 13% respectively, but not in C. jejuni. PFGE and flaA-RFLP using DdeI as restriction enzyme divided the strains into 27 and 25 types respectively.4. The high observed genetic diversity of Campylobacter spp. revealed the complexity of the spread of this genus in broilers. This study highlighted the pressing need to monitor antibiotic resistance and to ensure food safety from 'farm to fork' in Lebanon.
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Affiliation(s)
- R Rafei
- Laboratoire Microbiologie Santé et Environnement (LMSE), Doctoral School of Science and Technology, Faculty of Public Health, Lebanese University, Tripoli, Lebanon
| | - I Al Kassaa
- Laboratoire Microbiologie Santé et Environnement (LMSE), Doctoral School of Science and Technology, Faculty of Public Health, Lebanese University, Tripoli, Lebanon
| | - M Osman
- Laboratoire Microbiologie Santé et Environnement (LMSE), Doctoral School of Science and Technology, Faculty of Public Health, Lebanese University, Tripoli, Lebanon
| | - F Dabboussi
- Laboratoire Microbiologie Santé et Environnement (LMSE), Doctoral School of Science and Technology, Faculty of Public Health, Lebanese University, Tripoli, Lebanon
| | - M Hamze
- Laboratoire Microbiologie Santé et Environnement (LMSE), Doctoral School of Science and Technology, Faculty of Public Health, Lebanese University, Tripoli, Lebanon
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García-Sánchez L, Melero B, Jaime I, Rossi M, Ortega I, Rovira J. Biofilm formation, virulence and antimicrobial resistance of different Campylobacter jejuni isolates from a poultry slaughterhouse. Food Microbiol 2019; 83:193-199. [PMID: 31202413 DOI: 10.1016/j.fm.2019.05.016] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2019] [Revised: 05/02/2019] [Accepted: 05/28/2019] [Indexed: 01/16/2023]
Abstract
The fastidious requirement of the zoonotic pathogen Campylobacter jejuni contrasts with its ability to overcome harsh conditions. Different strategies might be involved in the survival and persistence of C. jejuni through the poultry food chain. Therefore, the aims of this study were to get insights in the survival strategies in the poultry slaughterhouse environment by (i) characterizing factors such as biofilm formation, virulence and antimicrobial resistance in environmental isolates and (ii) understanding the possible link between the phenotypic and genetic characterization using whole genome sequencing (WGS). Results have shown that three STs: ST 443 (PFGE A), ST 904 (PFGE C) and ST 3769 (PFGE G), out of the six studied, formed biofilms with variable intensity according to different conditions (temperatures -37 °C, 30 °C, 25°C- and materials -stainless steel and plastic-). High levels of antimicrobial resistance were found in isolates to ciprofloxacin, nalidixic acid and tetracycline as well as to two common detergents used in the slaughterhouse. A combination of several changes in the genome of ST 904 (PFGE C) including mutations, insertions in antimicrobial resistance genes, the presence of T6SS and a set of genes related to virulence factors might explain its ability to form biofilm and persist longer in the environment. However, the complexity of the survival strategies adopted by the different strains of C. jejuni suggests that multiple mechanisms may exist that allow these organisms to persist and ultimately cause disease in humans.
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Affiliation(s)
| | - Beatriz Melero
- Department of Biotechnology and Food Science, University of Burgos, Burgos, Spain
| | - Isabel Jaime
- Department of Biotechnology and Food Science, University of Burgos, Burgos, Spain
| | - Mirko Rossi
- Department of Food Hygiene and Environmental Health, University of Helsinki, Helsinki, Finland
| | - Irene Ortega
- Department of Biotechnology and Food Science, University of Burgos, Burgos, Spain
| | - Jordi Rovira
- Department of Biotechnology and Food Science, University of Burgos, Burgos, Spain.
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Paudyal N, Pan H, Liao X, Zhang X, Li X, Fang W, Yue M. A Meta-Analysis of Major Foodborne Pathogens in Chinese Food Commodities Between 2006 and 2016. Foodborne Pathog Dis 2019; 15:187-197. [PMID: 29652195 DOI: 10.1089/fpd.2017.2417] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Prevalence of pathogenic bacteria in food commodities in China have been reported in numerous publications over time. However, the results are scattered and varied. To calculate a robust point estimate with a higher statistical power, we applied meta-analytic approach for investigating the prevalence of common foodborne pathogens in major food items in China. Data, on prevalence of bacteria in various food commodities were extracted and analyzed from 361 (132 English and 229 Chinese) publications. Prevalence of eight most frequently reported pathogens on six broad food categories was used for pooled and subgroup meta-analysis by DerSimonian-Laird method in random-effects model. The estimated overall prevalence of pathogens in the foods was 8.5% (95% CI 8.2-8.7). The highest prevalence, irrespective of the pathogen type, was in the aquatic produce at 12.8% (12.0-13.5), while the least was in the vegetables at 3.0% (2.6-3.4). Among the pathogens, the most prevalent was Vibrio at 21.3% (19.6-23.1), whereas the least was pathogenic Escherichia coli at 4.3% (3.3-5.2). The major food pathogens in Chinese foods in decreasing order of prevalence were Vibrio parahaemolyticus, Campylobacter, Bacillus cereus, Staphylococcus aureus, Salmonella, Enterobacter, Listeria monocytogenes, and pathogenic E. coli. Presence of these organisms in foods equates the risk of microbiological food safety in China with other developed countries rather than the developing countries. This justifies the need of novel perspectives for formulating policies on microbiological food safety and risk mitigation.
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Affiliation(s)
- Narayan Paudyal
- 1 Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University & Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou, China
| | - Hang Pan
- 1 Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University & Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou, China
| | - Xiayi Liao
- 1 Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University & Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou, China
| | - Xian Zhang
- 2 College of Animal Sciences and Technology, Zhejiang Agricultural and Forestry University , Hangzhou, China
| | - Xiaoliang Li
- 1 Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University & Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou, China
| | - Weihuan Fang
- 1 Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University & Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou, China .,2 College of Animal Sciences and Technology, Zhejiang Agricultural and Forestry University , Hangzhou, China
| | - Min Yue
- 1 Institute of Preventive Veterinary Medicine, College of Animal Sciences, Zhejiang University & Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou, China
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Rossler E, Signorini ML, Romero‐Scharpen A, Soto LP, Berisvil A, Zimmermann JA, Fusari ML, Olivero C, Zbrun MV, Frizzo LS. Meta‐analysis of the prevalence of thermotolerant
Campylobacter
in food‐producing animals worldwide. Zoonoses Public Health 2019; 66:359-369. [DOI: 10.1111/zph.12558] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Revised: 11/12/2018] [Accepted: 12/09/2018] [Indexed: 01/05/2023]
Affiliation(s)
- Eugenia Rossler
- Laboratory of Food Analysis, Institute of Veterinary Science (ICiVet Litoral) National University of the Litoral, National Council of Scientific and Technical Research (UNL/CONICET) Esperanza Argentina
| | - Marcelo L. Signorini
- Department of Public Health Faculty of Veterinary Science – Litoral National University Esperanza Argentina
- National Institute of Agricultural Technology EEA Rafaela National Council of Scientific and Technical Research Rafaela Argentina
| | - Analía Romero‐Scharpen
- Laboratory of Food Analysis, Institute of Veterinary Science (ICiVet Litoral) National University of the Litoral, National Council of Scientific and Technical Research (UNL/CONICET) Esperanza Argentina
| | - Lorena P. Soto
- Laboratory of Food Analysis, Institute of Veterinary Science (ICiVet Litoral) National University of the Litoral, National Council of Scientific and Technical Research (UNL/CONICET) Esperanza Argentina
- Department of Public Health Faculty of Veterinary Science – Litoral National University Esperanza Argentina
| | - Ayelén Berisvil
- Laboratory of Food Analysis, Institute of Veterinary Science (ICiVet Litoral) National University of the Litoral, National Council of Scientific and Technical Research (UNL/CONICET) Esperanza Argentina
| | - Jorge A. Zimmermann
- Laboratory of Food Analysis, Institute of Veterinary Science (ICiVet Litoral) National University of the Litoral, National Council of Scientific and Technical Research (UNL/CONICET) Esperanza Argentina
| | - Marcia L. Fusari
- Department of Public Health Faculty of Veterinary Science – Litoral National University Esperanza Argentina
| | - Carolina Olivero
- Laboratory of Food Analysis, Institute of Veterinary Science (ICiVet Litoral) National University of the Litoral, National Council of Scientific and Technical Research (UNL/CONICET) Esperanza Argentina
| | - María V. Zbrun
- Laboratory of Food Analysis, Institute of Veterinary Science (ICiVet Litoral) National University of the Litoral, National Council of Scientific and Technical Research (UNL/CONICET) Esperanza Argentina
- Department of Public Health Faculty of Veterinary Science – Litoral National University Esperanza Argentina
| | - Laureano S. Frizzo
- Laboratory of Food Analysis, Institute of Veterinary Science (ICiVet Litoral) National University of the Litoral, National Council of Scientific and Technical Research (UNL/CONICET) Esperanza Argentina
- Department of Public Health Faculty of Veterinary Science – Litoral National University Esperanza Argentina
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Zhang X, Tang M, Zhou Q, Zhang J, Yang X, Gao Y. Prevalence and Characteristics of Campylobacter Throughout the Slaughter Process of Different Broiler Batches. Front Microbiol 2018; 9:2092. [PMID: 30233556 PMCID: PMC6131577 DOI: 10.3389/fmicb.2018.02092] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Accepted: 08/16/2018] [Indexed: 11/16/2022] Open
Abstract
Handling and consumption of chicken meat are risk factors for human campylobacteriosis. This study was performed to describe the Campylobacter population in broiler carcasses and environmental samples throughout the slaughter process. Moreover, the genetic diversity and antimicrobial resistance of the Campylobacter strains were evaluated. Cloacal swabs, samples from carcasses at different stages, and environmental samples were collected thrice from the different flocks at the same abattoir located in Central Jiangsu, China. Campylobacter isolated from the three batches (n = 348) were identified as Campylobacter jejuni (n = 117) and Campylobacter coli (n = 151) by multiplex PCR. Characterization by multilocus sequence typing revealed a specific genotype of Campylobacter for each batch. Antimicrobial sensitivity to 18 antibiotics were analyzed for all selected strains according to the agar diffusion method recommended by the Clinical and Laboratory Standards Institute. Antibiotic susceptibility tests indicated that the majority of the tested isolates were resistant to quinolones (>89.7%). Less resistance to macrolide (59.8%), gentamicin (42.7%), amikacin (36.8%) was observed. Results showed that 94.0% of the tested strains demonstrated multidrug resistance.
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Affiliation(s)
| | | | | | | | | | - Yushi Gao
- Jiangsu Institute of Poultry Sciences, Supervision, Inspection and Testing Centre for Poultry Quality, Ministry of Agriculture, Yangzhou, China
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Fabre A, Oleastro M, Nunes A, Santos A, Sifré E, Ducournau A, Bénéjat L, Buissonnière A, Floch P, Mégraud F, Dubois V, Lehours P. Whole-Genome Sequence Analysis of Multidrug-Resistant Campylobacter Isolates: a Focus on Aminoglycoside Resistance Determinants. J Clin Microbiol 2018; 56:e00390-18. [PMID: 29976591 PMCID: PMC6113490 DOI: 10.1128/jcm.00390-18] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 06/28/2018] [Indexed: 01/03/2023] Open
Abstract
A whole-genome sequencing (WGS) approach was conducted in order to identify the molecular determinants associated with antimicrobial resistance in 12 multidrug-resistant Campylobacter jejuni and Campylobacter coli isolates, with a focus on aminoglycoside resistance determinants. Two variants of a new aminoglycoside phosphotransferase gene [aph(2″)-Ii1 and aph(2″)-Ii2 ] putatively associated with gentamicin resistance were found. In addition, the following new genes were identified for the first time in Campylobacter: a lincosamide nucleotidyltransferase gene [lnu(G)], likely associated with lincomycin resistance, and two resistance enzyme genes (spw and apmA) similar to those found in Staphylococcus aureus, which may confer spectinomycin and gentamicin resistance, respectively. A C1192T mutation of the 16S rRNA gene that may be involved in spectinomycin resistance was also found in a C. coli isolate. Genes identified in the present study were located either on the bacterial chromosome or on plasmids that could be transferred naturally. Their role in aminoglycoside resistance remains to be supported by genetic studies. Regarding the other antimicrobial agents studied, i.e., ampicillin, ciprofloxacin, erythromycin, and tetracycline, a perfect correlation between antimicrobial phenotypes and genotypes was found. Overall, our data suggest that WGS analysis is a powerful tool for identifying resistance determinants in Campylobacter and can disclose the full genetic elements associated with resistance, including antimicrobial compounds not tested routinely in antimicrobial susceptibility testing.
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Affiliation(s)
- Adrien Fabre
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | - Monica Oleastro
- National Reference Laboratory of Gastrointestinal Infections, Department of Infectious Diseases, National Institute of Health, Lisbon, Portugal
| | - Alexandra Nunes
- Bioinformatics Unit, Department of Infectious Diseases, National Institute of Health, Lisbon, Portugal
| | - Andrea Santos
- National Reference Laboratory of Gastrointestinal Infections, Department of Infectious Diseases, National Institute of Health, Lisbon, Portugal
| | - Elodie Sifré
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | - Astrid Ducournau
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | - Lucie Bénéjat
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | - Alice Buissonnière
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | - Pauline Floch
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | - Francis Mégraud
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
| | | | - Philippe Lehours
- CHU de Bordeaux, National Reference Center for Campylobacter and Helicobacter, Bordeaux, France
- INSERM, University of Bordeaux, UMR1053 Bordeaux Research in Translational Oncology, BaRITOn, Bordeaux, France
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Comparative restriction enzyme mapping of Campylobacter jejuni isolates from turkeys and broilers based on flaA flagellar gene using HpyF3I endonuclease. Folia Microbiol (Praha) 2018; 64:189-195. [PMID: 30151662 DOI: 10.1007/s12223-018-0643-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2017] [Accepted: 08/21/2018] [Indexed: 10/28/2022]
Abstract
Turkeys and broilers have been identified as important reservoirs for Campylobacter jejuni which is of public health significance. The evaluation of the genotypes among C. jejuni strains within different reservoirs is critical for our understanding of the epidemiology of this infectious agent. The present study aimed to compare the genetic diversity and differences of C. jejuni isolates from turkeys and broilers using flagellin PCR-RFLP typing (flaA typing) technique, in terms of the ease of use and discriminatory power. Sixty C. jejuni isolates were detected biochemically and confirmed by duplex-PCR from turkeys and broilers (30 strains from each bird species). Then, a flaA gene fragment (1725 bp) of C. jejuni isolates was amplified and amplicons were digested with HpyF3I enzyme. Restriction analysis by HpyF3I gave four different flaA patterns (H1, H2, H3, H4) among all tested C. jejuni isolates. In broiler isolates, all four patterns were observed but in turkey isolates, only H2 and H4 patterns were present. The results clearly demonstrated that distribution of the flaA typing patterns differed depending on the host species (broiler/turkey). H1 and H3 flaA types are more prevalent in broiler than turkey isolates, while H2 type is significantly more prevalent within isolates from turkey (p < 0.05). The flaA typing technique by digestion with HpyF3I enzyme can almost give us a clue to the source of infection in local outbreaks.
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Du Y, Wang C, Ye Y, Liu Y, Wang A, Li Y, Zhou X, Pan H, Zhang J, Xu X. Molecular Identification of Multidrug-Resistant Campylobacter Species From Diarrheal Patients and Poultry Meat in Shanghai, China. Front Microbiol 2018; 9:1642. [PMID: 30108555 PMCID: PMC6079250 DOI: 10.3389/fmicb.2018.01642] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2018] [Accepted: 07/02/2018] [Indexed: 11/13/2022] Open
Abstract
Emerging resistance to the antimicrobial agents of choice for treatment of thermophilic Campylobacter infections is becoming a serious threat to public health. In this study, 548 Campylobacter (372 C. jejuni and 176 C. coli) isolates from diarrheal patients and poultry meat were subjected for antibiotic susceptibility analysis to ciprofloxacin, tetracycline, gentamicin, erythromycin and clindamycin. Among them, 151 Campylobacter (32 C. jejuni and 119 C. coli) were identified as multidrug resistant isolates. PFGE analysis was performed on the 151 multidrug resistant isolates to determine their genetic relatedness, and 103 PFGE genotypes were determined. Some isolates from both human and chicken belonged to identical genotypes, indicating these clones might be able to spread between human and chicken. Antibiotic resistant genes of the 151 isolates were identified. The numbers of isolates carried tet (O), aadE, ermB, and aadE-sat4-aphA were 148 (98%), 89 (58.9%), 31 (20.5%), and 10 (6.6%), respectively. Almost all (n = 150, 99.3%) had gyrA mutation at codon 86. And the 23s rRNA A2075G point mutation was found in 56 (37.1%) isolates. Gene mutations at the cmeR-cmeABC intergenic region may lead to the activation of CmeABC multidrug efflux pump, and in this study novel sequence types of the intergenic region were identified in both C. jejuni and C. coli. This study determined the genetic prerequisites for antibiotic resistance of multidrug resistant Campylobacter isolates from diarrheal patients and poultry meat in Shanghai, China.
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Affiliation(s)
- Yinju Du
- Department of Microbiology, Center for Disease Control and Prevention of Liaocheng City, Shandong, China
| | - Chuanqing Wang
- Department of Microbiology, Children's Hospital of Fudan University, Shanghai, China
| | - Yulong Ye
- Department of Microbiology, The Jinshan District Center for Disease Control and Prevention, Shanghai, China
| | - Yue Liu
- Department of Food Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
| | - Aimin Wang
- Department of Microbiology, Children's Hospital of Fudan University, Shanghai, China
| | - Yong Li
- Department of Food Microbiology, The Putuo District Center for Disease Control and Prevention, Shanghai, China
| | - Xiaoying Zhou
- Shanghai Municipal Di-Jing Technology Center for Microbiology, Shanghai, China
| | - Hanjian Pan
- Department of Food Science and Technology, School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Jianmin Zhang
- Key Laboratory of Zoonosis Prevention and Control of Guangdong Province, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Xuebin Xu
- Department of Microbiology, Shanghai Municipal Center for Disease Control and Prevention, Shanghai, China
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Wieczorek K, Wołkowicz T, Osek J. Antimicrobial Resistance and Virulence-Associated Traits of Campylobacter jejuni Isolated From Poultry Food Chain and Humans With Diarrhea. Front Microbiol 2018; 9:1508. [PMID: 30022977 PMCID: PMC6039573 DOI: 10.3389/fmicb.2018.01508] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Accepted: 06/18/2018] [Indexed: 01/01/2023] Open
Abstract
The objective of this study was to test the prevalence of virulence-associated markers and antimicrobial resistance in 624 C. jejuni isolated from poultry food chain, i. e., chicken feces (n = 160), poultry carcasses (n = 157), poultry meat (n = 152) and from humans (n = 155). All human strains were positive for 9 out of 13 putative virulence genes responsible for expression of pathogenic factors involved in different stages of the infection. The presence of all markers was also high in strains from chicken feces, carcasses and meat although not all of them were identified in 100% of the isolates. On the other hand, the virB11, wlaN, and iam putative pathogenic genes were detected in only 1.9, 15.2, and 20.5% of strains, respectively. C. jejuni isolates, irrespective of the origin, were highly resistant to ciprofloxacin (92.5% isolates), followed by nalidixic acid (88.9%) and tetracycline (68.4%). In case of ciprofloxacin, significantly more isolates from poultry feces, carcasses and meat were resistant than those obtained from humans and the same relationship was observed for tetracycline where the isolates from chicken feces were more often resistant than C. jejuni of carcasses and meat origin. A low number of strains was resistant to streptomycin (18.4% isolates) and only 5 strains (0.8%) displayed resistance to erythromycin. A relationship between resistance to fluoroquinolones and presence of selected pathogenic markers was observed, e.g., from 83.3% strains with the virB11 to 93.4% with the docA genes were resistant to ciprofloxacin. The isolates that did not possess any of the pathogenic traits were also mainly resistant to this antimicrobial, although the number of such strains was usually low, except virB11 (612 isolates), wlaN (529 strains), and iam (496 isolates). Furthermore, resistance to tetracycline was somehow associated with the presence of the virulence associated genes wlaN and virB11 (56.8 and 75.0% isolates, respectively). The present study shows a high antimicrobial resistance to quinolones and tetracycline of C. jejuni isolated along poultry food chain and from patients with diarrhea, which was closely correlated with the presence of several virulence genes playing a role in the pathogenesis of Campylobacter infection.
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Affiliation(s)
- Kinga Wieczorek
- Department of Hygiene of Food of Animal Origin, National Veterinary Research Institute, Puławy, Poland
| | - Tomasz Wołkowicz
- Department of Bacteriology and Biocontamination Control, National Institute of Public Health - National Institute of Hygiene, Warsaw, Poland
| | - Jacek Osek
- Department of Hygiene of Food of Animal Origin, National Veterinary Research Institute, Puławy, Poland
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Lopes GV, Landgraf M, Destro MT. Occurrence of Campylobacter
in raw chicken and beef from retail outlets in São Paulo, Brazil. J Food Saf 2018. [DOI: 10.1111/jfs.12442] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Graciela Volz Lopes
- Laboratory of Food Microbiology, Department of Science and Food Technology, Faculty of Agronomy; Federal University of Pelotas, Campus Capão do Leão; Pelotas RS 96010-900 Brazil
| | - Mariza Landgraf
- Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences; University of São Paulo, Av. Professor Lineu Prestes 580; São Paulo SP 05058-000 Brazil
| | - Maria Teresa Destro
- Department of Food and Experimental Nutrition, Faculty of Pharmaceutical Sciences; University of São Paulo, Av. Professor Lineu Prestes 580; São Paulo SP 05058-000 Brazil
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Whitehouse CA, Zhao S, Tate H. Antimicrobial Resistance in Campylobacter Species: Mechanisms and Genomic Epidemiology. ADVANCES IN APPLIED MICROBIOLOGY 2018; 103:1-47. [PMID: 29914655 DOI: 10.1016/bs.aambs.2018.01.001] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The Campylobacter genus is a large and diverse group of Gram-negative bacteria that are known to colonize humans and other mammals, birds, reptiles, and shellfish. While it is now recognized that several emerging Campylobacter species can be associated with human disease, two species, C. jejuni and C. coli, are responsible for the vast majority of bacterial gastroenteritis in humans worldwide. Infection with C. jejuni, in particular, has also been associated with a number of extragastrointestinal manifestations and autoimmune conditions, most notably Guillain-Barré syndrome. The antimicrobial drugs of choice for the treatment of severe Campylobacter infection include macrolides, such as erythromycin, clarithromycin, or azithromycin. Fluoroquinolones, such as ciprofloxacin, are also commonly used for empirical treatment of undiagnosed diarrheal disease. However, resistance to these and other classes of antimicrobial drugs is increasing and is a major public health problem. The US Centers for Disease Control and Prevention estimates that over 300,000 infections per year are caused by drug-resistant Campylobacter. In this chapter, we discuss the taxonomy of the Campylobacter genus, the clinical and global epidemiological aspects of Campylobacter infection, with an emphasis on C. jejuni and C. coli, and issues related to the treatment of infection and antimicrobial resistance mechanisms. We further discuss the use of next-generation sequencing for the detection and surveillance of antimicrobial resistance genes.
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Affiliation(s)
| | - Shaohua Zhao
- U.S. Food and Drug Administration, Laurel, MD, United States
| | - Heather Tate
- U.S. Food and Drug Administration, Laurel, MD, United States
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45
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Antibiotic resistance trends and mechanisms in the foodborne pathogen,Campylobacter. Anim Health Res Rev 2017; 18:87-98. [DOI: 10.1017/s1466252317000135] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
AbstractCampylobacteris a major foodborne pathogen and is commonly present in food producing animals. This pathogenic organism is highly adaptable and has become increasingly resistant to various antibiotics. Recently, both the Centers for Disease Control and Prevention and the World Health Organization have designated antibiotic-resistantCampylobacteras a serious threat to public health. For the past decade, multiple mechanisms conferring resistance to clinically important antibiotics have been described inCampylobacter, and new resistance mechanisms constantly emerge in the pathogen. Some of the recent examples include theerm(B)gene conferring macrolide resistance, thecfr(C)genes mediating resistance to florfenicol and other antimicrobials, and a functionally enhanced variant of the multidrug resistance efflux pump, CmeABC. The continued emergence of new resistance mechanisms illustrates the extraordinary adaptability ofCampylobacterto antibiotic selection pressure and demonstrate the need for innovative strategies to control antibiotic-resistantCampylobacter. In this review, we will briefly summarize the trends of antibiotic resistance inCampylobacterand discuss the mechanisms of resistance to antibiotics used for animal production and important for clinical therapy in humans. A special emphasis will be given to the newly discovered antibiotic resistance.
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46
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Thomrongsuwannakij T, Blackall PJ, Chansiripornchai N. A Study on Campylobacter jejuni and Campylobacter coli through Commercial Broiler Production Chains in Thailand: Antimicrobial Resistance, the Characterization of DNA Gyrase Subunit A Mutation, and Genetic Diversity by Flagellin A Gene Restriction Fragment Length Polymorphism. Avian Dis 2017; 61:186-197. [PMID: 28665716 DOI: 10.1637/11546-120116-reg.1] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Contaminated poultry meat is regarded as the main source of human campylobacteriosis. During September 2014 and February 2015, breeder flocks, hatcheries, and broiler farms from two chicken production chains were investigated chronologically. Five commercial breeder flocks (Breeder Flocks 1-5), two hatcheries (Hatcheries A and B), and five broiler flocks (Broiler Flocks 1-5) were sampled in this study. Campylobacter colonization of both breeder and broiler flocks was determined from cloacal swabs and environmental samples (pan feeders, footwear, darkling beetles, flies, feed, and water). The eggs from the breeder flocks were followed to hatcheries. At the hatcheries, early embryonic deaths, egg trays, eggshells, hatchers, and water were investigated. Cloacal swabs were taken from broilers at Days 1, 14, and 28 (all broiler flocks), and either 35 (Broiler Flocks 1 and 2) or 43 (Broiler Flocks 3-5). Thirty-six Campylobacter jejuni and 94 Campylobacter coli isolates collected through two broiler production chains were tested by twofold agar dilution for their susceptibility to antimicrobial agents. Most Campylobacter isolates were multidrug resistant (MDR), defined as being resistant to three or more antimicrobial classes ( C. jejuni : 100%; C. coli : 98.9%), and exhibited high resistance to enrofloxacin ( C. jejuni : 100%; C. coli : 98.9%). The vast majority of C. coli were resistant to tetracycline (97.9%), trimethoprim-sulfamethoxazole (81.9%), and doxycycline (79.8%), but only 55.6%, 36.1%, and 50% of C. jejuni isolates revealed resistance to these antimicrobial agents, respectively. A selected subset of 24 C. jejuni and 24 C. coli were characterized for their mutations in the quinolone resistance determining region of the DNA gyrase subunit A gene by nucleotide sequence analysis. The Thr-86-Ile substitution (ACA-ATA in C. jejuni or ACT-ATT in C. coli ) was found in all isolates. Moreover, a total of 130 Campylobacter isolates were typed with the use of polymerase chain reaction-restriction fragment length polymorphism of the flagellin A gene (flaA-RFLP) to determine their genetic relationships. Ten distinct clusters were recognized by flaA-RFLP typing. The results showed that horizontal transmission was the major route of Campylobacter transmission in this study. In conclusion, the emergence of MDR and high resistance rates to several antimicrobials are major concerns identified in this study. The prudent use of these agents and active surveillance of resistance at the farm level are essential steps to reduce the public health risks identified in this work.
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Affiliation(s)
- Thotsapol Thomrongsuwannakij
- A Avian Health Research Unit, Department of Veterinary Medicine, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Patrick J Blackall
- B Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia 4067, Australia
| | - Niwat Chansiripornchai
- A Avian Health Research Unit, Department of Veterinary Medicine, Faculty of Veterinary Science, Chulalongkorn University, Bangkok 10330, Thailand
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47
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Zbrun MV, Romero-Scharpen A, Olivero C, Zimmermann JA, Rossler E, Soto LP, Astesana DM, Blajman JE, Berisvil A, Frizzo LS, Signorini ML. Genetic diversity of thermotolerant Campylobacter spp. isolates from different stages of the poultry meat supply chain in Argentina. Rev Argent Microbiol 2017; 49:235-241. [PMID: 28712509 DOI: 10.1016/j.ram.2017.03.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 02/22/2017] [Accepted: 03/03/2017] [Indexed: 12/01/2022] Open
Abstract
The objective of this study was to investigate a clonal relationship among thermotolerant Campylobacter spp. isolates from different stages of the poultry meat supply chain in Argentina. A total of 128 thermotolerant Campylobacter spp. (89 C. jejuni and 39 C. coli) isolates from six poultry meat chains were examined. These isolates were from: a) hens from breeder flocks, b) chickens on the farm (at ages 1 wk and 5 wk), c) chicken carcasses in the slaughterhouse, and d) chicken carcasses in the retail market. Chickens sampled along each food chain were from the same batch. Campylobacter spp. isolates were analyzed using pulsed-field gel electrophoresis to compare different profiles according to the source. Clustering of C. jejuni isolates resulted in 17 profiles, with four predominant genotypes and many small profiles with just a few isolates or unique patterns, showing a very high degree of heterogeneity among the C. jejuni isolates. Some clusters included isolates from different stages within the same chain, which would indicate a spread of strains along the same poultry meat chain. Moreover, twenty-two strains of C. coli clustered in seven groups and the remaining 17 isolates exhibited unique profiles. Evidence for transmission of thermotolerant Campylobacter spp. through the food chain and cross contamination in the slaughterhouses were obtained. This collective evidence should be considered as the scientific basis to implement risk management measures to protect the public health.
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Affiliation(s)
- María V Zbrun
- Laboratory of Food Analysis, Institute of Veterinary Science (ICiVet Litoral), National University of the Littoral, National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe, Argentina; Department of Public Health, Faculty of Veterinary Science-National University of the Littoral, Esperanza, Province of Santa Fe, Argentina
| | - Analía Romero-Scharpen
- Department of Public Health, Faculty of Veterinary Science-National University of the Littoral, Esperanza, Province of Santa Fe, Argentina
| | - Carolina Olivero
- Laboratory of Food Analysis, Institute of Veterinary Science (ICiVet Litoral), National University of the Littoral, National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe, Argentina
| | - Jorge A Zimmermann
- Department of Public Health, Faculty of Veterinary Science-National University of the Littoral, Esperanza, Province of Santa Fe, Argentina
| | - Eugenia Rossler
- Department of Public Health, Faculty of Veterinary Science-National University of the Littoral, Esperanza, Province of Santa Fe, Argentina
| | - Lorena P Soto
- Laboratory of Food Analysis, Institute of Veterinary Science (ICiVet Litoral), National University of the Littoral, National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe, Argentina; Department of Public Health, Faculty of Veterinary Science-National University of the Littoral, Esperanza, Province of Santa Fe, Argentina
| | - Diego M Astesana
- Department of Public Health, Faculty of Veterinary Science-National University of the Littoral, Esperanza, Province of Santa Fe, Argentina
| | - Jesica E Blajman
- Department of Public Health, Faculty of Veterinary Science-National University of the Littoral, Esperanza, Province of Santa Fe, Argentina
| | - Ayelén Berisvil
- Department of Public Health, Faculty of Veterinary Science-National University of the Littoral, Esperanza, Province of Santa Fe, Argentina
| | - Laureano S Frizzo
- Laboratory of Food Analysis, Institute of Veterinary Science (ICiVet Litoral), National University of the Littoral, National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe, Argentina; Department of Public Health, Faculty of Veterinary Science-National University of the Littoral, Esperanza, Province of Santa Fe, Argentina.
| | - Marcelo L Signorini
- Laboratory of Food Analysis, Institute of Veterinary Science (ICiVet Litoral), National University of the Littoral, National Council of Scientific and Technical Research (UNL/CONICET), Esperanza, Province of Santa Fe, Argentina; National Council of Scientific and Technical Research (CONICET), National Institute of Agricultural Technology (INTA), EEA Rafaela, Rafaela, Province of Santa Fe, Argentina
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48
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Vinueza-Burgos C, Wautier M, Martiny D, Cisneros M, Van Damme I, De Zutter L. Prevalence, antimicrobial resistance and genetic diversity of Campylobacter coli and Campylobacter jejuni in Ecuadorian broilers at slaughter age. Poult Sci 2017; 96:2366-2374. [PMID: 28339716 PMCID: PMC5850218 DOI: 10.3382/ps/pew487] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 12/20/2016] [Indexed: 01/28/2023] Open
Abstract
Thermotolerant Campylobacter spp. are a major cause of foodborne gastrointestinal infections worldwide. The linkage of human campylobacteriosis and poultry has been widely described. In this study we aimed to investigate the prevalence, antimicrobial resistance and genetic diversity of C. coli and C. jejuni in broilers from Ecuador. Caecal content from 379 randomly selected broiler batches originating from 115 farms were collected from 6 slaughterhouses located in the province of Pichincha during 1 year. Microbiological isolation was performed by direct plating on mCCDA agar. Identification of Campylobacter species was done by PCR. Minimum inhibitory concentration (MIC) values for gentamicin, ciprofloxacin, nalidixic acid, tetracycline, streptomycin, and erythromycin were obtained. Genetic variation was assessed by RFLP-flaA typing and Multilocus Sequence Typing (MLST) of selected isolates. Prevalence at batch level was 64.1%. Of the positive batches 68.7% were positive for C. coli, 18.9% for C. jejuni, and 12.4% for C. coli and C. jejuni. Resistance rates above 67% were shown for tetracycline, ciprofloxacin, and nalidixic acid. The resistance pattern tetracycline, ciprofloxin, and nalidixic acid was the dominant one in both Campylobacter species. RFLP-flaA typing analysis showed that C. coli and C. jejuni strains belonged to 38 and 26 profiles respectively. On the other hand MLST typing revealed that C. coli except one strain belonged to CC-828, while C. jejuni except 2 strains belonged to 12 assigned clonal complexes (CCs). Furthermore 4 new sequence types (STs) for both species were described, whereby 2 new STs for C. coli were based on new allele sequences. Further research is necessary to estimate the impact of the slaughter of Campylobacter positive broiler batches on the contamination level of carcasses in slaughterhouses and at retail in Ecuador.
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Affiliation(s)
| | - Magali Wautier
- Center for Molecular Diagnosis, LHUB-ULB, Brussels, Belgium
| | - Delphine Martiny
- National Reference Center for Campylobacter, CHU Saint-Pierre, Brussels, Belgium
- Department of Immunology and Microbiology, Université Libre de Bruxelles, Brussels, Belgium
| | - Marco Cisneros
- Facultad de Medicina Veterinaria y Zootecnia. Universidad Central del Ecuador, Quito, Ecuador
| | - Inge Van Damme
- Department of Veterinary Public Health and Food Safety, Faculty of Veterinary. Ghent University, Merelbeke, Belgium
| | - Lieven De Zutter
- Department of Veterinary Public Health and Food Safety, Faculty of Veterinary. Ghent University, Merelbeke, Belgium
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49
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Ma H, Su Y, Ma L, Ma L, Li P, Du X, Gölz G, Wang S, Lu X. Prevalence and Characterization of Campylobacter jejuni Isolated from Retail Chicken in Tianjin, China. J Food Prot 2017; 80:1032-1040. [PMID: 28504616 DOI: 10.4315/0362-028x.jfp-16-561] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Campylobacter jejuni is an important foodborne pathogen worldwide; however, there is a lack of information on the prevalence and antibiotic-resistant profile of C. jejuni in the People's Republic of China. We determined the prevalence and characteristics of C. jejuni on the retail level in Tianjin, one of the five national central cities in China. A total of 227 samples of chicken wings, legs, and breasts were collected from supermarkets and wet markets; 42 of these samples were confirmed to be positive for Campylobacter contamination. The contamination rates of C. jejuni and other Campylobacter species were 13.7% (31 of 227 samples) and 5.7% (13 of 227 samples), respectively. A group of 31 C. jejuni isolates was subjected to antimicrobial susceptibility testing. All (100%) the selected isolates were resistant to ciprofloxacin and nalidixic acid; 77.4% were resistant to tetracycline, 67.7% to doxycycline, 35.5% to gentamicin, 25.8% to clindamycin and florfenicol, 19.4% to chloramphenicol, and 12.9% to erythromycin and azithromycin. A remarkably high proportion (41.9%) of multidrug-resistant isolates was identified. Multilocus sequence typing was conducted to study the population structure of the C. jejuni strains and their relationship to human isolates. The correlation between antimicrobial resistance traits and certain sequence types (STs) or clonal complexes was determined as well. A great genetic diversity of poultry isolates was identified, with 11 STs belonging to 6 clonal complexes and 11 singleton STs. The novel STs accounted for 40.9% (n = 9) of the 22 STs. ST-21, ST-353, ST-354, ST-443, ST-607, and ST-828 complexes had been previously identified from human isolates. This study revealed an extensive level of antimicrobial resistance and genetic diversity in C. jejuni isolated from chicken products in Tianjin, highlighting the necessity of performing enforced interventions to reduce Campylobacter prevalence in China.
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Affiliation(s)
- Hui Ma
- 1 Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, Tianjin University of Science and Technology, Tianjin 300457, People's Republic of China.,2 Food, Nutrition, and Health Program, Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4
| | - Yulan Su
- 1 Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, Tianjin University of Science and Technology, Tianjin 300457, People's Republic of China.,2 Food, Nutrition, and Health Program, Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4
| | - Luyao Ma
- 2 Food, Nutrition, and Health Program, Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4
| | - Lina Ma
- 2 Food, Nutrition, and Health Program, Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4
| | - Ping Li
- 1 Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, Tianjin University of Science and Technology, Tianjin 300457, People's Republic of China
| | - Xinjun Du
- 1 Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, Tianjin University of Science and Technology, Tianjin 300457, People's Republic of China
| | - Greta Gölz
- 3 Institute of Food Safety and Food Hygiene, Freie Universität Berlin, Berlin 14195, Germany
| | - Shuo Wang
- 1 Key Laboratory of Food Nutrition and Safety, Ministry of Education of China, Tianjin University of Science and Technology, Tianjin 300457, People's Republic of China
| | - Xiaonan Lu
- 2 Food, Nutrition, and Health Program, Faculty of Land and Food Systems, University of British Columbia, Vancouver, British Columbia, Canada V6T 1Z4
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50
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Ristori CA, Rowlands REG, Martins CG, Barbosa ML, Dos Santos LF, Jakabi M, de Melo Franco BDG. Assessment of Consumer Exposure to Salmonella spp., Campylobacter spp., and Shiga Toxin-Producing Escherichia coli in Meat Products at Retail in the City of Sao Paulo, Brazil. Foodborne Pathog Dis 2017; 14:447-453. [PMID: 28475359 DOI: 10.1089/fpd.2016.2270] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Meat products may be vehicles of bacterial pathogens to humans, and Salmonella spp., Campylobacter spp., and Shiga toxin-producing Escherichia coli (STEC) are the most relevant. The aim of this study was to generate data on prevalence of these three pathogens in 552 samples of meat products (hot dogs, pork sausages, raw ground beef, and raw chicken legs) sold at retail in the city of Sao Paulo, Brazil. Salmonella spp. was detected in 5.8% (32/552) of samples, comprising pork sausages 62.5% (20/32) and chicken legs 37.5% (12/32). The counts of Salmonella spp. were low, ranging from < 0.3 to 9.3 × 10 most probable number per gram and the most frequent serovars were Salmonella Typhimurium (28.1%), Salmonella I 4,[5],12:i:- (15.6%), Salmonella Enteritidis (12.5%), Salmonella Derby, and Salmonella Brandenburg (9.4%). Campylobacter spp. was detected in 33 samples (6.0%), comprising chicken legs (82%) and ground beef (18%). All samples were negative for STEC. These results suggest that meat products when subjected to inadequate cooking and/or cross-contamination with other products ready for consumption can lead to occurrence of outbreaks, highlighting the risks associated with them.
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Affiliation(s)
| | | | | | - Maria Luisa Barbosa
- 1 Food Microbiology Laboratory, Food Center Adolfo Lutz Institute , Sao Paulo, Brazil
| | | | - Miyoko Jakabi
- 1 Food Microbiology Laboratory, Food Center Adolfo Lutz Institute , Sao Paulo, Brazil
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