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Çelik C, Pınar O, Sipahi N. The Prevalence of Aliarcobacter Species in the Fecal Microbiota of Farm Animals and Potential Effective Agents for Their Treatment: A Review of the Past Decade. Microorganisms 2022; 10:microorganisms10122430. [PMID: 36557682 PMCID: PMC9787757 DOI: 10.3390/microorganisms10122430] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 11/29/2022] [Accepted: 12/06/2022] [Indexed: 12/13/2022] Open
Abstract
There is an endless demand for livestock-originated food, so it is necessary to elucidate the hazard points for livestock breeding. Pathogens are one of the hazard points that threaten the biosecurity of farm-animal breeding and public health. As a potential foodborne pathogen, Aliarcobacter is a member of the intestinal microbiota of farm animals with and without diarrhea. Aliarcobacter spp. are capable of colonizing livestock intestines and are transmitted through the feces. Hence, they endanger slaughterhouses and milk products with fecal contamination. They also have other, rarer, vertical and horizontal transmission routes, including the offspring that abort in farm animals. Gastrointestinal symptoms and abort cases demonstrate potential financial losses to the industry. Viewed from this perspective, the global circulation of farm-animal products is a significant route for zoonotic agents, including Aliarcobacter. In the last decade, worldwide prevalence of Aliarcobacter in fecal samples has ranged from 0.8% in Italy to 100% in Turkey. Furthermore, antibiotic resistance is recognized as a new type of environmental pollutant and has become a hot topic in animal breeding and the food industry. Increasing antibiotic resistance has become a significant problem impacting productivity. The increase in antimicrobial resistance rates in Aliarcobacter is caused by the misuse of antimicrobial drugs in livestock animals, leading to the acquiring of resistance genes from other bacteria, as well as mutations in current resistance genes. The most resistant strains are A. butzleri, A. cryaerophilus, and A. skirrowii. This review analyzes recent findings from the past decade on the prevalence of Aliarcobacter in the intestinal microbiota and the current effective antibiotics against Aliarcobacter. The paper also highlights that A. cryaerophilus and A. skirrowii are found frequently in diarrheal feces, indicating that Aliarcobacter should be studied further in livestock diarrheal diseases. Moreover, Aliarcobacter-infected farm animals can be treated with only a limited number of antibiotics, such as enrofloxacin, doxycycline, oxytetracycline, and gentamicin.
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Affiliation(s)
- Cansu Çelik
- Food Technology Program, Food Processing Department, Vocational School of Veterinary Medicine, Istanbul University-Cerrahpasa, 34320 Istanbul, Türkiye
- Correspondence:
| | - Orhan Pınar
- Equine and Equine Training Program, Vocational School of Veterinary Medicine, Istanbul University-Cerrahpasa, 34320 Istanbul, Türkiye
| | - Nisa Sipahi
- Traditional and Complementary Medicine Applied and Research Centre, Duzce University, 81620 Duzce, Türkiye
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Jantharadej K, Kongprajug A, Mhuantong W, Limpiyakorn T, Suwannasilp BB, Mongkolsuk S, Sirikanchana K. Comparative genomic analyses of pathogenic bacteria and viruses and antimicrobial resistance genes in an urban transportation canal. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 848:157652. [PMID: 35905960 DOI: 10.1016/j.scitotenv.2022.157652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 07/21/2022] [Accepted: 07/22/2022] [Indexed: 06/15/2023]
Abstract
Water commuting is a major urban transportation method in Thailand. However, urban boat commuters risk exposure to microbially contaminated bioaerosols or splash. We aimed to investigate the microbial community structures, identify bacterial and viral pathogens, and assess the abundance of antimicrobial resistance genes (ARGs) using next-generation sequencing (NGS) at 10 sampling sites along an 18 km transportation boat route in the Saen Saep Canal, which traverses cultural, commercial, and suburban land-based zones. The shotgun metagenomic (Illumina HiSeq) and 16S rRNA gene amplicon (V4 region) (Illumina MiSeq) sequencing platforms revealed diverse microbial clusters aligned with the zones, with explicit segregation between the cultural and suburban sites. The shotgun metagenomic sequencing further identified bacterial and viral pathogens, and ARGs. The predominant bacterial pathogens (>0.5 % relative abundance) were the Burkholderia cepacia complex, Arcobacter butzleri, Burkholderia vietnamiensis, Klebsiella pneumoniae, and the Enterobacter cloacae complex. The viruses (0.28 %-0.67 % abundance in all microbial sequences) comprised mainly vertebrate viruses and bacteriophages, with encephalomyocarditis virus (33.3 %-58.2 % abundance in viral sequences), hepatitis C virus genotype 1, human alphaherpesvirus 1, and human betaherpesvirus 6A among the human viral pathogens. The 15 ARG types contained 611 ARG subtypes, including those resistant to beta-lactam, which was the most diverse and abundant group (206 subtypes; 17.0 %-27.5 %), aminoglycoside (94 subtypes; 9.6 %-15.3 %), tetracycline (80 subtypes; 15.6 %-20.2 %), and macrolide (79 subtypes; 14.5 %-32.1 %). Interestingly, the abundance of ARGs associated with resistance to beta-lactam, trimethoprim, and sulphonamide, as well as A. butzleri and crAssphage, at the cultural sites was significantly different from the other sites (p < 0.05). We demonstrated the benefits of using NGS to deliver insights into microbial communities, and antimicrobial resistance, both of which pose a risk to human health. Using NGS may facilitate microbial risk mitigation and management for urban water commuters and proximal residents.
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Affiliation(s)
- Krittayapong Jantharadej
- Department of Environmental Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand
| | - Akechai Kongprajug
- Research Laboratory of Biotechnology, Chulabhorn Research Institute, Bangkok, Thailand
| | - Wuttichai Mhuantong
- National Center for Genetic Engineering and Biotechnology, Enzyme Technology Research Team, Pathum Thani, Thailand
| | - Tawan Limpiyakorn
- Department of Environmental Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand; Center of Excellence on Hazardous Substance Management, Chulalongkorn University, Bangkok, Thailand; Biotechnology for Wastewater Engineering Research Group, Chulalongkorn University, Bangkok, Thailand
| | - Benjaporn Boonchayaanant Suwannasilp
- Department of Environmental Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok, Thailand; Center of Excellence on Hazardous Substance Management, Chulalongkorn University, Bangkok, Thailand; Biotechnology for Wastewater Engineering Research Group, Chulalongkorn University, Bangkok, Thailand
| | - Skorn Mongkolsuk
- Research Laboratory of Biotechnology, Chulabhorn Research Institute, Bangkok, Thailand; Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Bangkok, Thailand
| | - Kwanrawee Sirikanchana
- Research Laboratory of Biotechnology, Chulabhorn Research Institute, Bangkok, Thailand; Center of Excellence on Environmental Health and Toxicology (EHT), OPS, MHESI, Bangkok, Thailand.
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A Review on the Prevalence of Arcobacter in Aquatic Environments. WATER 2022. [DOI: 10.3390/w14081266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Arcobacter is an emerging pathogen that is associated with human and animal diseases. Since its first introduction in 1991, 33 Arcobacter species have been identified. Studies have reported that with the presence of Arcobacter in environmental water bodies, animals, and humans, a possibility of its transmission via water and food makes it a potential waterborne and foodborne pathogen. Therefore, this review article focuses on the general characteristics of Arcobacter, including its pathogenicity, antimicrobial resistance, methods of detection by cultivation and molecular techniques, and its presence in water, fecal samples, and animal products worldwide. These detection methods include conventional culture methods, and rapid and accurate Arcobacter identification at the species level, using quantitative polymerase chain reaction (qPCR) and multiplex PCR. Arcobacter has been identified worldwide from feces of various hosts, such as humans, cattle, pigs, sheep, horses, dogs, poultry, and swine, and also from meat, dairy products, carcasses, buccal cavity, and cloacal swabs. Furthermore, Arcobacter has been detected in groundwater, river water, wastewater (influent and effluent), canals, treated drinking water, spring water, and seawater. Hence, we propose that understanding the prevalence of Arcobacter in environmental water and fecal-source samples and its infection of humans and animals will contribute to a better strategy to control and prevent the survival and growth of the bacteria.
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The Prevalence of Arcobacteraceae in Aquatic Environments: A Systematic Review and Meta-Analysis. Pathogens 2022; 11:pathogens11020244. [PMID: 35215187 PMCID: PMC8880612 DOI: 10.3390/pathogens11020244] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 01/31/2022] [Accepted: 02/10/2022] [Indexed: 11/17/2022] Open
Abstract
Members of the family Arcobacteraceae are distributed widely in aquatic environments, and some of its species have been associated with human and animal illness. However, information about the diversity and distribution of Arcobacteraceae in different water bodies is still limited. In order to better characterize the health risk posed by members in the family Arcobacteraceae, a systematic review and meta-analysis-based method was used to investigate the prevalence of Arcobacteraceae species in aquatic environments based on available data published worldwide. The database search was performed using related keywords and considering studies up to February 2021. The pooled prevalence in aquatic environments was 69.2%, ranging from 0.6 to 99.9%. These bacteria have a wide geographical distribution, being found in diverse aquatic environments with the highest prevalence found in raw sewage and wastewater treatment plants (WWTP), followed by seawater, surface water, ground water, processing water from food processing plants and water for human consumption. Assessing the effectiveness of treatments in WWTP in eliminating this contamination, it was found that the wastewater treatment may not be efficient in the removal of Arcobacteraceae. Among the analyzed Arcobacteraceae species, Al. butzleri was the most frequently found species. These results highlight the high prevalence and distribution of Arcobacteraceae in different aquatic environments, suggesting a risk to human health. Further, it exposes the importance of identifying and managing the sources of contamination and taking preventive actions to reduce the burden of members of the Arcobacteraceae family.
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Tomioka N, Yoochatchaval W, Takemura Y, Matsuura N, Danshita T, Srisang P, Mungjomklang N, Syutsubo K. Detection of potentially pathogenic Arcobacter spp. in Bangkok canals and the Chao Phraya River. JOURNAL OF WATER AND HEALTH 2021; 19:657-670. [PMID: 34371501 DOI: 10.2166/wh.2021.239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The management of pathogenic bacteria in waterways is a public health issue. Here, we investigated the concentrations of potentially pathogenic bacteria, Arcobacter spp. and Campylobacter spp., and Escherichia coli, by quantifying species-specific genes in surface water samples from canals and the Chao Phraya River from June 2017 to June 2018 in Bangkok, Thailand. We assessed the relationship between the specific bacterial concentrations, water quality, and seasonal changes. Arcobacter spp. were detected at high density in all samples and showed seasonal fluctuations according to analyses based on 16S rDNA and the invasion gene ciaB. High levels of 16S rDNA and dut gene of E. coli were detected in the polluted drainage canals. A high correlation was observed between E. coli and chemical and biochemical oxygen demand (COD and BOD), suggesting that untreated domestic wastewater was the source of the E. coli. In contrast, Arcobacter spp. were detected with high density even in water samples with relatively low COD, suggesting that Arcobacter spp. are more likely than E. coli to survive in the water environment. The analysis of 16S rDNA and ciaB gene sequence analyses indicated that the Arcobacter spp. isolated from the drainage canals were A. butzleri and A. cryaerophilus.
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Affiliation(s)
- Noriko Tomioka
- Regional Environment Conservation Division, National Institute for Environmental Studies, Onogawa 16-2, Tsukuba, Ibaraki 305-8506, Japan E-mail:
| | - Wilasinee Yoochatchaval
- Faculty of Engineering, Department of Environmental Engineering, Kasetsart University, 50 Ngam Wong Wan Rd, Ladyaow Chatuchak, Bangkok 10900, Thailand
| | - Yasuyuki Takemura
- Regional Environment Conservation Division, National Institute for Environmental Studies, Onogawa 16-2, Tsukuba, Ibaraki 305-8506, Japan E-mail:
| | - Norihisa Matsuura
- Faculty of Geoscience and Civil Engineering, Kanazawa University, Ishikawa 920-1192, Japan
| | - Tsuyoshi Danshita
- Department of Civil Engineering and Architecture, National Institute of Technology, Tokuyama College, Gakuendai Shunan, Yamaguchi 745-8585, Japan
| | - Pornpawee Srisang
- Faculty of Engineering, Department of Environmental Engineering, Kasetsart University, 50 Ngam Wong Wan Rd, Ladyaow Chatuchak, Bangkok 10900, Thailand
| | - Noppamas Mungjomklang
- Faculty of Engineering, Department of Environmental Engineering, Kasetsart University, 50 Ngam Wong Wan Rd, Ladyaow Chatuchak, Bangkok 10900, Thailand
| | - Kazuaki Syutsubo
- Regional Environment Conservation Division, National Institute for Environmental Studies, Onogawa 16-2, Tsukuba, Ibaraki 305-8506, Japan E-mail:
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Yu M, Wang X, Yan A. Microbial Profiles of Retail Pacific Oysters ( Crassostrea gigas) From Guangdong Province, China. Front Microbiol 2021; 12:689520. [PMID: 34305851 PMCID: PMC8292972 DOI: 10.3389/fmicb.2021.689520] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 05/31/2021] [Indexed: 12/26/2022] Open
Abstract
Oysters are one of the main aquatic products sold in coastal areas worldwide and are popular among consumers because of their delicious taste and nutritional value. However, the microorganisms present in oysters may pose health risks to consumers. In this study, the microbial communities of Pacific oysters (Crassostrea gigas) collected from aquatic product markets in three cities (Guangzhou, Zhuhai, and Jiangmen) of Guangdong Province, China, where raw oysters are popular, were investigated. The plate counts of viable bacteria in oysters collected in the three cities were all approximately 2 log colony-forming units/g. High-throughput sequencing analysis of the V3–V4 region of the 16Sribosomal DNA gene showed a high level of microbial diversity in oysters, as evidenced by both alpha and beta diversity analysis. Proteobacteria, Bacteroidetes, and Firmicutes were the dominant phyla of the microorganisms present in these samples. A variety of pathogenic bacteria, including the fatal foodborne pathogen Vibrio vulnificus, were found, and Vibrio was the dominant genus. Additionally, the relationship between other microbial species and pathogenic microorganisms may be mostly symbiotic in oysters. These data provide insights into the microbial communities of retail oysters in the Guangdong region and indicate a considerable risk related to the consumption of raw oysters.
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Affiliation(s)
- Mingjia Yu
- Department of Food Science, Foshan Polytechnic, Foshan, China
| | - Xiaobo Wang
- Department of Food Science, Foshan Polytechnic, Foshan, China
| | - Aixian Yan
- Department of Food Science, Foshan Polytechnic, Foshan, China
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Sciortino S, Arculeo P, Alio V, Cardamone C, Nicastro L, Arculeo M, Alduina R, Costa A. Occurrence and Antimicrobial Resistance of Arcobacter spp. Recovered from Aquatic Environments. Antibiotics (Basel) 2021; 10:antibiotics10030288. [PMID: 33802125 PMCID: PMC7998538 DOI: 10.3390/antibiotics10030288] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 02/26/2021] [Accepted: 03/07/2021] [Indexed: 12/03/2022] Open
Abstract
Arcobacter spp. are emerging waterborne and foodborne zoonotic pathogens responsible for gastroenteritis in humans. In this work, we evaluated the occurrence and the antimicrobial resistance profile of Arcobacter isolates recovered from different aquatic sources. Besides, we searched for Arcobacter spp. in seaweeds and the corresponding seawater samples. Bacteriological and molecular methods applied to 100 samples led to the isolation of 28 Arcobacter isolates from 27 samples. The highest prevalence was detected in rivers followed by artificial ponds, streams, well waters, and spring waters. Seaweeds contained a higher percentage of Arcobacter than the corresponding seawater samples. The isolates were identified as Arcobacter butzleri (96.4%) and Arcobacter cryaerophilus (3.6%). All the isolates showed a multi-drug resistance profile, being resistant to at least three different classes of antibiotics. Molecular analysis of genetic determinants responsible for tetracycline resistance in nine randomly chosen isolates revealed the presence of tetO and/or tetW. This work confirms the occurrence and the continuous emergence of antibiotic-resistant Arcobacter strains in environmental samples; also, the presence of quinolone-resistant Arcobacter spp. in aquatic sources used for water supply and irrigation represents a potential risk for human health.
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Affiliation(s)
- Sonia Sciortino
- Food Microbiology Section, Istituto Zooprofilattico Sperimentale della Sicilia A. Mirri, Via G. Marinuzzi 3, 90129 Palermo, Italy; (P.A.); (V.A.); (C.C.); (L.N.); (A.C.)
- Correspondence: (S.S.); (R.A.)
| | - Pietro Arculeo
- Food Microbiology Section, Istituto Zooprofilattico Sperimentale della Sicilia A. Mirri, Via G. Marinuzzi 3, 90129 Palermo, Italy; (P.A.); (V.A.); (C.C.); (L.N.); (A.C.)
| | - Vincenzina Alio
- Food Microbiology Section, Istituto Zooprofilattico Sperimentale della Sicilia A. Mirri, Via G. Marinuzzi 3, 90129 Palermo, Italy; (P.A.); (V.A.); (C.C.); (L.N.); (A.C.)
| | - Cinzia Cardamone
- Food Microbiology Section, Istituto Zooprofilattico Sperimentale della Sicilia A. Mirri, Via G. Marinuzzi 3, 90129 Palermo, Italy; (P.A.); (V.A.); (C.C.); (L.N.); (A.C.)
| | - Luisa Nicastro
- Food Microbiology Section, Istituto Zooprofilattico Sperimentale della Sicilia A. Mirri, Via G. Marinuzzi 3, 90129 Palermo, Italy; (P.A.); (V.A.); (C.C.); (L.N.); (A.C.)
| | - Marco Arculeo
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze, Bd. 16, 90128 Palermo, Italy;
| | - Rosa Alduina
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, University of Palermo, Viale delle Scienze, Bd. 16, 90128 Palermo, Italy;
- Correspondence: (S.S.); (R.A.)
| | - Antonella Costa
- Food Microbiology Section, Istituto Zooprofilattico Sperimentale della Sicilia A. Mirri, Via G. Marinuzzi 3, 90129 Palermo, Italy; (P.A.); (V.A.); (C.C.); (L.N.); (A.C.)
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8
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Doulgeraki AI, Bikouli V, Argyri AA, Chorianopoulos N, Mitre E, Charvourou G, Sourri P, Tassou CC, Oikonomou A. Exploring the Bacterial Communities of the Kaiafas Thermal Spring Anigrides Nymphes in Greece Prior to Rehabilitation Actions. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:E9133. [PMID: 33297492 PMCID: PMC7730472 DOI: 10.3390/ijerph17239133] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/30/2020] [Accepted: 12/05/2020] [Indexed: 11/16/2022]
Abstract
Anigrides Nymphes of Lake Kaiafas is a thermal spring that is well known for its therapeutical properties, as the hot water (32-34 °C) is rich in sulfur compounds and minerals. Nowadays, efforts are made from the Hellenic Republic to modernize the existing facilities and infrastructure networks of the area. To study the complex ecosystem of the thermal spring, we collected water from four sampling points (Lake, and Caves 1, 2, and 3). Filtration method was used for microbial enumeration. In parallel, total bacterial DNA was extracted and subjected to next-generation sequencing (NGS). A total of 166 different bacterial families were detected. Differences in families, genera, and species abundances were detected between the different sampling points. Specifically, Comamonadaceae was the most common family detected in Lake and Cave 3. Similarly, in Caves 1 and 2, Rhodobacteraceae was detected at a higher percentage compared to the rest of the families. Moreover, the detection of sequences assigned to waterborne or opportunistic pathogens, i.e., Enterobacteriaceae, Legionellaceae, Coxiellaceae, and Clostridiaceae, as well as Enterococcus and Vibrio, is of great importance. Although the presence of pathogens was not examined by quantitative PCR, the detection of their sequences strengthens the need of the planned rehabilitation actions of this natural environment in order to allow human swimming.
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Affiliation(s)
- Agapi I. Doulgeraki
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization-DIMITRA, Sof. Venizelou 1, 14123 Lycovrissi, Greece; (V.B.); (A.A.A.); (N.C.); (E.M.); (G.C.); (P.S.); (C.C.T.)
| | - Vasiliki Bikouli
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization-DIMITRA, Sof. Venizelou 1, 14123 Lycovrissi, Greece; (V.B.); (A.A.A.); (N.C.); (E.M.); (G.C.); (P.S.); (C.C.T.)
| | - Anthoula A. Argyri
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization-DIMITRA, Sof. Venizelou 1, 14123 Lycovrissi, Greece; (V.B.); (A.A.A.); (N.C.); (E.M.); (G.C.); (P.S.); (C.C.T.)
| | - Nikos Chorianopoulos
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization-DIMITRA, Sof. Venizelou 1, 14123 Lycovrissi, Greece; (V.B.); (A.A.A.); (N.C.); (E.M.); (G.C.); (P.S.); (C.C.T.)
| | - Elisavet Mitre
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization-DIMITRA, Sof. Venizelou 1, 14123 Lycovrissi, Greece; (V.B.); (A.A.A.); (N.C.); (E.M.); (G.C.); (P.S.); (C.C.T.)
| | - Georgia Charvourou
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization-DIMITRA, Sof. Venizelou 1, 14123 Lycovrissi, Greece; (V.B.); (A.A.A.); (N.C.); (E.M.); (G.C.); (P.S.); (C.C.T.)
| | - Patra Sourri
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization-DIMITRA, Sof. Venizelou 1, 14123 Lycovrissi, Greece; (V.B.); (A.A.A.); (N.C.); (E.M.); (G.C.); (P.S.); (C.C.T.)
| | - Chrysoula C. Tassou
- Institute of Technology of Agricultural Products, Hellenic Agricultural Organization-DIMITRA, Sof. Venizelou 1, 14123 Lycovrissi, Greece; (V.B.); (A.A.A.); (N.C.); (E.M.); (G.C.); (P.S.); (C.C.T.)
| | - Alexandra Oikonomou
- Ephorate of Palaeoanthropology and Speleology, Hellenic Republic Ministry of Culture and Sports, Ardittou 34b, 11636 Athens, Greece;
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Search for Campylobacter spp. Reveals High Prevalence and Pronounced Genetic Diversity of Arcobacter butzleri in Floodwater Samples Associated with Hurricane Florence in North Carolina, USA. Appl Environ Microbiol 2020; 86:AEM.01118-20. [PMID: 32769187 PMCID: PMC7531973 DOI: 10.1128/aem.01118-20] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Accepted: 07/30/2020] [Indexed: 02/07/2023] Open
Abstract
Climate change and associated extreme weather events can have massive impacts on the prevalence of microbial pathogens in floodwaters. However, limited data are available on foodborne zoonotic pathogens such as Campylobacter or Arcobacter in hurricane-associated floodwaters in rural regions with intensive animal production. With a high density of intensive animal production as well as pronounced vulnerability to hurricanes, eastern North Carolina presents unique opportunities in this regard. Our findings revealed widespread incidence of the emerging zoonotic pathogen Arcobacter butzleri in floodwaters from Hurricane Florence. We encountered high and largely unexplored diversity while also noting the potential for regionally abundant and persistent clones. We noted pronounced partitioning of the floodwater genotypes into two source-associated clades. The data will contribute to elucidating the poorly understood ecology of this emerging pathogen and highlight the importance of surveillance of floodwaters associated with hurricanes and other extreme weather events for Arcobacter and other zoonotic pathogens. In September 2018, Hurricane Florence caused extreme flooding in eastern North Carolina, USA, a region highly dense in concentrated animal production, especially swine and poultry. In this study, floodwater samples (n = 96) were collected as promptly post-hurricane as possible and for up to approximately 30 days and selectively enriched for Campylobacter using Bolton broth enrichment and isolation on modified charcoal cefoperazone deoxycholate agar (mCCDA) microaerobically at 42°C. Only one sample yielded Campylobacter, which was found to be Campylobacter jejuni with the novel sequence type 2866 (ST-2866). However, the methods employed to isolate Campylobacter readily yielded Arcobacter from 73.5% of the floodwater samples. The Arcobacter isolates failed to grow on Mueller-Hinton agar at 25, 30, 37, or 42°C microaerobically or aerobically but could be readily subcultured on mCCDA at 42°C microaerobically. Multilocus sequence typing of 112 isolates indicated that all were Arcobacter butzleri. The majority (85.7%) of the isolates exhibited novel sequence types (STs), with 66 novel STs identified. Several STs, including certain novel ones, were detected in diverse waterbody types (channel, isolated ephemeral pools, floodplain) and from multiple watersheds, suggesting the potential for regionally dominant strains. The genotypes were clearly partitioned into two major clades, one with high representation of human and ruminant isolates and another with an abundance of swine and poultry isolates. Surveillance of environmental waters and food animal production systems in this animal agriculture-dense region is needed to assess potential regional prevalence and temporal stability of the observed A. butzleri strains as well as their potential association with specific types of food animal production. IMPORTANCE Climate change and associated extreme weather events can have massive impacts on the prevalence of microbial pathogens in floodwaters. However, limited data are available on foodborne zoonotic pathogens such as Campylobacter or Arcobacter in hurricane-associated floodwaters in rural regions with intensive animal production. With a high density of intensive animal production as well as pronounced vulnerability to hurricanes, eastern North Carolina presents unique opportunities in this regard. Our findings revealed widespread incidence of the emerging zoonotic pathogen Arcobacter butzleri in floodwaters from Hurricane Florence. We encountered high and largely unexplored diversity while also noting the potential for regionally abundant and persistent clones. We noted pronounced partitioning of the floodwater genotypes into two source-associated clades. The data will contribute to elucidating the poorly understood ecology of this emerging pathogen and highlight the importance of surveillance of floodwaters associated with hurricanes and other extreme weather events for Arcobacter and other zoonotic pathogens.
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Chieffi D, Fanelli F, Fusco V. Arcobacter butzleri: Up-to-date taxonomy, ecology, and pathogenicity of an emerging pathogen. Compr Rev Food Sci Food Saf 2020; 19:2071-2109. [PMID: 33337088 DOI: 10.1111/1541-4337.12577] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2020] [Revised: 04/22/2020] [Accepted: 04/22/2020] [Indexed: 12/19/2022]
Abstract
Arcobacter butzleri, recently emended to the Aliarcobacter butzleri comb. nov., is an emerging pathogen causing enteritis, severe diarrhea, septicaemia, and bacteraemia in humans and enteritis, stillbirth, and abortion in animals. Since its recognition as emerging pathogen on 2002, advancements have been made in elucidating its pathogenicity and epidemiology, also thanks to advent of genomics, which, moreover, contributed in emending its taxonomy. In this review, we provide an overview of the up-to-date taxonomy, ecology, and pathogenicity of this emerging pathogen. Moreover, the implication of A. butzleri in the safety of foods is pinpointed, and culture-dependent and independent detection, identification, and typing methods as well as strategies to control and prevent the survival and growth of this pathogen are provided.
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Affiliation(s)
- Daniele Chieffi
- Institute of Sciences of Food Production, National Research Council of Italy (CNR-ISPA), Bari, Italy
| | - Francesca Fanelli
- Institute of Sciences of Food Production, National Research Council of Italy (CNR-ISPA), Bari, Italy
| | - Vincenzina Fusco
- Institute of Sciences of Food Production, National Research Council of Italy (CNR-ISPA), Bari, Italy
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Ghaju Shrestha R, Tanaka Y, Sherchand JB, Haramoto E. Identification of 16S rRNA and Virulence-Associated Genes of Arcobacter in Water Samples in the Kathmandu Valley, Nepal. Pathogens 2019; 8:pathogens8030110. [PMID: 31357473 PMCID: PMC6789466 DOI: 10.3390/pathogens8030110] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 07/24/2019] [Accepted: 07/25/2019] [Indexed: 11/23/2022] Open
Abstract
This study aimed to determine the prevalence of Arcobacter and five associated virulence genes (cadF, ciaB, mviN, pldA, and tlyA) in water samples in the Kathmandu Valley, Nepal. A total of 286 samples were collected from deep tube wells (n = 30), rivers (n = 14), a pond (n = 1), shallow dug wells (n = 166), shallow tube wells (n = 33), springs (n = 21), and stone spouts (n = 21) in February and March (dry season) and August (wet season), 2016. Bacterial DNA was extracted from the water samples and subjected to SYBR Green-based quantitative PCR for 16S rRNA and virulence genes of Arcobacter. The 16S rRNA gene of Arcobacter was detected in 36% (40/112) of samples collected in the dry season, at concentrations ranging from 5.7 to 10.2 log copies/100 mL, and 34% (59/174) of samples collected in the wet season, at concentrations of 5.4–10.8 log copies/100 mL. No significant difference in Arcobacter 16S rRNA gene-positive results was observed between samples collected in the two seasons (p > 0.05). Seventeen (17%), 84 (84%), 19 (19%), 23 (23%), and 17 (17%) of the 99 Arcobacter 16S rRNA gene-positive samples were also positive for cadF, ciaB, mviN, pldA, and tlyA, respectively. At least one virulence gene was detected in 87 (88%) of the 99 Arcobacter 16S rRNA gene-positive samples. The presence of Arcobacter and the virulence genes in these samples illustrates the persistence of pathogenic bacteria in the environment and highlights the importance of regular monitoring of water for pathogens.
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Affiliation(s)
- Rajani Ghaju Shrestha
- Division of Sustainable Energy and Environmental Engineering, Osaka University, Suita, Osaka 565-0871, Japan
- Interdisciplinary Center for River Basin Environment, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi 400-8511, Japan
| | - Yasuhiro Tanaka
- Department of Environmental Sciences, University of Yamanashi, 4-4-37 Takeda, Kofu, Yamanashi 400-8510, Japan
| | - Jeevan B Sherchand
- Institute of Medicine, Tribhuvan University Teaching Hospital, Kathmandu 1524, Nepal
| | - Eiji Haramoto
- Interdisciplinary Center for River Basin Environment, University of Yamanashi, 4-3-11 Takeda, Kofu, Yamanashi 400-8511, Japan.
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Abstract
This study aims to determine the diversity of pathogenic bacteria in the Bagmati River, Nepal, during a one-year period. A total of 18 river water samples were collected from three sites (n = 6 per site) along the river. Bacterial DNA, which were extracted from the water samples, were analyzed for bacterial 16S rRNA genes by next-generation sequencing for 13 of 18 samples, and by quantitative PCR targeting Arcobacter for all 18 samples. The 16S rRNA sequencing identified an average of 97,412 ± 35,909 sequences/sample, which were then categorized into 28 phyla, 61 classes, and 709 bacterial genera. Eighteen (16%) genera of 111 potential pathogenic bacteria were detected with abundance ratios of >1%; Arcobacter, Acinetobacter, and Prevotella were the dominant genera. The Arcobacter abundance ratios were 28.6% (n = 1), 31.3 ± 15.8% (n = 6), and 31.8 ± 17.2% (n = 6) at the upstream, midstream, and downstream sites, respectively. Arcobacter was detected in 14 (78%) of 18 samples tested, with concentrations ranging from 6.7 to 10.7 log10 copies/100 mL, based on quantitative PCR. Our results demonstrate the poor bacterial quality of the Bagmati River water, suggesting a need for implementing more measures to reduce fecal contamination in the river water.
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Kim NH, Park SM, Kim HW, Cho TJ, Kim SH, Choi C, Rhee MS. Prevalence of pathogenic Arcobacter species in South Korea: Comparison of two protocols for isolating the bacteria from foods and examination of nine putative virulence genes. Food Microbiol 2019; 78:18-24. [DOI: 10.1016/j.fm.2018.09.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 09/07/2018] [Accepted: 09/07/2018] [Indexed: 11/16/2022]
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TP R, RS R, A K, TR A, GVPPS RK, K K, YS M, K D, RK S. PHYLOGENETIC ANALYSIS OF Arcobacter butzleri AND Arcobacter skirrowii ISOLATES AND THEIR DETECTION FROM CONTAMINATED VEGETABLES BY MULTIPLEX PCR. ACTA ACUST UNITED AC 2018. [DOI: 10.18006/2018.6(2).307.314] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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González A, Bayas Morejón IF, Ferrús MA. Isolation, molecular identification and quinolone-susceptibility testing of Arcobacter spp. isolated from fresh vegetables in Spain. Food Microbiol 2017; 65:279-283. [PMID: 28400014 DOI: 10.1016/j.fm.2017.02.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 01/23/2017] [Accepted: 02/07/2017] [Indexed: 10/20/2022]
Abstract
Some species of the Arcobacter genus are considered emerging foodborne and waterborne enteropathogens. However, the presence of Arcobacter spp. in vegetables very little is known, because most studies have focused on foods of animal origin. On the other hand, quinolones are considered as first-line drugs for the treatment of infection by campylobacteria in human patients, but few data are currently available about the resistance levels to these antibiotics among Arcobacter species. Therefore, the aim of this study was to investigate the presence and diversity of arcobacters isolated from fresh vegetables such as lettuces, spinaches, chards and cabbages. Resistance to quinolones of the isolates was also investigated. One hundred fresh vegetables samples purchased from seven local retail markets in Valencia (Spain) during eight months were analysed. The study included 41 lettuces, 21 spinaches, 34 chards and 4 cabbages. Samples were analysed by culture and by molecular methods before and after enrichment. By culture, 17 out of 100 analysed samples were Arcobacter positive and twenty-five isolates were obtained from them. Direct detection by PCR was low, with only 4% Arcobacter spp. positive samples. This percentage increased considerably, up 20%, after 48 h enrichment. By polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP), 17 out of the 25 isolates were identified as A. butzleri and 8 as A. cryaerophilus. Only two A. butzleri isolates showed resistance to levofloxacin and ciprofloxacin. The sequencing of a fragment of the QRDR region of the gyrA gene from the quinolones-resistant isolates revealed the presence of a mutation in position 254 of this gene (C-T transition). This study is the first report about the presence of pathogenic species of Arcobacter spp. in chards and cabbages and confirms that fresh vegetables can act as transmission vehicle to humans. Moreover, the presence of A. butzleri quinolone resistant in vegetables could pose a potential public health risk.
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Affiliation(s)
- Ana González
- Department of Biotechnology, Universitat Politècnica de València, Camino de Vera s/n, 46022, Valencia, Spain
| | - Isidro Favián Bayas Morejón
- Department of Biotechnology, Universitat Politècnica de València, Camino de Vera s/n, 46022, Valencia, Spain
| | - María Antonia Ferrús
- Department of Biotechnology, Universitat Politècnica de València, Camino de Vera s/n, 46022, Valencia, Spain
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Millar JA, Raghavan R. Accumulation and expression of multiple antibiotic resistance genes in Arcobacter cryaerophilus that thrives in sewage. PeerJ 2017; 5:e3269. [PMID: 28462059 PMCID: PMC5407278 DOI: 10.7717/peerj.3269] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 04/03/2017] [Indexed: 01/10/2023] Open
Abstract
We explored the bacterial diversity of untreated sewage influent samples of a wastewater treatment plant in Tucson, AZ and discovered that Arcobacter cryaerophilus, an emerging human pathogen of animal origin, was the most dominant bacterium. The other highly prevalent bacteria were members of the phyla Bacteroidetes and Firmicutes, which are major constituents of human gut microbiome, indicating that bacteria of human and animal origin intermingle in sewage. By assembling a near-complete genome of A. cryaerophilus, we show that the bacterium has accumulated a large number of antibiotic resistance genes (ARGs) probably enabling it to thrive in the wastewater. We also determined that a majority of ARGs was being expressed in sewage, suggestive of trace levels of antibiotics or other stresses that could act as a selective force that amplifies multidrug resistant bacteria in municipal sewage. Because all bacteria are not eliminated even after several rounds of wastewater treatment, ARGs in sewage could affect public health due to their potential to contaminate environmental water.
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Affiliation(s)
- Jess A Millar
- Biology Department, Portland State University, Portland, OR, United States
| | - Rahul Raghavan
- Biology Department, Portland State University, Portland, OR, United States
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Webb AL, Taboada EN, Selinger LB, Boras VF, Inglis GD. Prevalence and diversity of waterborne Arcobacter butzleri in southwestern Alberta, Canada. Can J Microbiol 2017; 63:330-340. [DOI: 10.1139/cjm-2016-0745] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Arcobacter butzleri is a potential enteric pathogen to human beings, but its reservoirs and modes of transmission are largely unverified. Microbiological and molecular detection and subtyping techniques can facilitate surveillance of A. butzleri in hosts and environmental reservoirs. We isolated A. butzleri from 173 surface water samples (25.6%) and 81 treated wastewater samples (77.9%) collected in southwestern Alberta over a 1-year period. Arcobacter butzleri isolates (n = 500) were genotyped and compared to determine diversity of A. butzleri in southwestern Alberta. Culture methods affected the frequency of detection and genotype diversity of A. butzleri, and isolation comprehensiveness was different for surface waters and treated wastewaters. Detection of A. butzleri in the Oldman River Watershed corresponded with season, river flow rates, and fecal coliform densities. Arcobacter butzleri was detected most frequently in treated wastewater, in the Oldman River downstream from treated wastewater outfalls, and in tributaries near areas of intensive confined feeding operations. All sample sources possessed high genotype diversity, and A. butzleri isolates from treated wastewaters were genetically similar to isolates from the Oldman River downriver from treated wastewater outfall sites. In southwestern Alberta, municipal and agricultural activities contribute to the density and genotype diversity of A. butzleri in surface waters.
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Affiliation(s)
- Andrew L. Webb
- Agriculture and Agri-Food Canada, Lethbridge, Alberta, Canada
- Department of Biological Sciences, University of Lethbridge, Lethbridge, Alberta, Canada
| | | | - L. Brent Selinger
- Department of Biological Sciences, University of Lethbridge, Lethbridge, Alberta, Canada
| | - Valerie F. Boras
- Department of Laboratory Medicine, Chinook Regional Hospital, Lethbridge, Alberta, Canada
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Pathogens of Food Animals: Sources, Characteristics, Human Risk, and Methods of Detection. ADVANCES IN FOOD AND NUTRITION RESEARCH 2017; 82:277-365. [PMID: 28427535 DOI: 10.1016/bs.afnr.2016.12.009] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Pathogens associated with food production (livestock) animals come in many forms causing a multitude of disease for humans. For the purpose of this review, these infectious agents can be divided into three broad categories: those that are associated with bacterial disease, those that are associated with viruses, and those that are parasitic in nature. The goal of this chapter is to provide the reader with an overview of the most common pathogens that cause disease in humans through exposure via the food chain and the consequence of this exposure as well as risk and detection methods. We have also included a collection of unusual pathogens that although rare have still caused disease, and their recognition is warranted in light of emerging and reemerging diseases. These provide the reader an understanding of where the next big outbreak could occur. The influence of the global economy, the movement of people, and food makes understanding production animal-associated disease paramount to being able to address new diseases as they arise.
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Isolation and identification of Arcobacter species from environmental and drinking water samples. Folia Microbiol (Praha) 2016; 61:479-484. [PMID: 27106697 DOI: 10.1007/s12223-016-0460-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 04/14/2016] [Indexed: 10/21/2022]
Abstract
Water plays an important role in the transmission of Arcobacter spp. to animals and humans. The aim of this study was to isolate and characterize Arcobacter spp. from 115 different water samples (66 sewage, 25 rivers, 16 spring water, and 8 drinking water) in Izmir, Turkey. In total, 41 samples (35.7 %) were found positive for Arcobacter spp. by the genus-specific PCR. Arcobacter butzleri was detected in 39 out of 115 samples (33.9 %) including 24 sewage, 13 rivers, and 2 spring water. The remaining Arcobacter spp. (n = 2) isolates could not be identified by m-PCR and 16S rRNA gene sequencing. Based on the phenotypic characterization, most of the Arcobacter species (87.8 %) indicated weak catalase activity. In addition, there were differences in phenotypic patterns among isolated species during growth at 37 °C under microaerobic and aerobic conditions, in the presence of 2 % (39/41) and 3.5 % (32/41) NaCl and 0.04 % TTC (39/41) and on MacConkey agar (38/41). The results of this study indicated that environmental water samples are common sources for Arcobacter spp. Therefore, effective control measures should be taken to protect human health.
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Rathlavath S, Mishra S, Kumar S, Nayak BB. Incidence of Arcobacter spp. in fresh seafood from retail markets in Mumbai, India. ANN MICROBIOL 2015. [DOI: 10.1007/s13213-015-1092-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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Alonso R, Girbau C, Martinez-Malaxetxebarria I, Fernández-Astorga A. Multilocus sequence typing reveals genetic diversity of foodborne Arcobacter butzleri isolates in the North of Spain. Int J Food Microbiol 2014; 191:125-8. [PMID: 25261830 DOI: 10.1016/j.ijfoodmicro.2014.09.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Revised: 09/07/2014] [Accepted: 09/14/2014] [Indexed: 10/24/2022]
Abstract
The emerging pathogen Arcobacter butzleri is being increasingly isolated from different animal food products but the routes of its transmission to human are not well established yet. Typing methods would be useful in gaining such knowledge. Here we report the great genetic diversity observed among A. butzleri isolates from different food products. Forty-five isolates were analyzed by Multilocus Sequence Typing (MLST). A total of 157 alleles were identified across all seven loci, ranging from 16 alleles at glnA to 31 at glyA. MLST differentiated the isolates into 34 sequence types (STs), with the majority of isolates containing a unique sequence type. Seventy-four new alleles were identified, which resulted in the assignment of 33 new STs. No association of alleles or STs with food source was observed. For the first time, lateral gene transfer from Arcobacter skirrowii to A. butzleri at the glyA locus is also reported.
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Affiliation(s)
- Rodrigo Alonso
- Department of Immunology, Microbiology and Parasitology, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, Vitoria-Gasteiz 01006, Spain
| | - Cecilia Girbau
- Department of Immunology, Microbiology and Parasitology, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, Vitoria-Gasteiz 01006, Spain
| | - Irati Martinez-Malaxetxebarria
- Department of Immunology, Microbiology and Parasitology, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, Vitoria-Gasteiz 01006, Spain
| | - Aurora Fernández-Astorga
- Department of Immunology, Microbiology and Parasitology, University of the Basque Country (UPV/EHU), Paseo de la Universidad 7, Vitoria-Gasteiz 01006, Spain.
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Merga JY, Royden A, Pandey AK, Williams NJ. Arcobacter spp. isolated from untreated domestic effluent. Lett Appl Microbiol 2014; 59:122-6. [PMID: 24666283 DOI: 10.1111/lam.12256] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2013] [Revised: 03/19/2014] [Accepted: 03/20/2014] [Indexed: 01/08/2023]
Abstract
UNLABELLED Arcobacter butzleri and Arcobacter cryaerophilus were isolated from samples of raw untreated domestic sewage influent from nine separate wastewater treatment facilities in Cheshire, UK. This is the first report of Arcobacter spp. from sewage in the UK and suggests that Arcobacter spp. may be present in the human community. SIGNIFICANCE AND IMPACT OF THE STUDY Studies have shown Arcobacter spp. to be present in domestic sewage in several European countries. This study supports previous findings with the first report of Arcobacter spp. in domestic sewage in the UK. This study suggests that Arcobacter spp. is present amongst local human populations, implicating it as an underestimated gastrointestinal pathogen in the UK and contributing to our understanding of this emerging pathogen and its presence within the UK. Providing a confirmation of the presence of Arcobacter in sewage, which supports previous studies, this paper will appeal to fellow researchers of Arcobacter, as well as healthcare and water treatment professionals concerned with microbiology, water safety and gastroenterology, potentially having a wide impact.
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Affiliation(s)
- J Y Merga
- Department of Epidemiology and Population Health, Institute of Infection and Global Health, University of Liverpool, Neston, UK
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Nieva-Echevarria B, Martinez-Malaxetxebarria I, Girbau C, Alonso R, Fernández-Astorga A. Prevalence and genetic diversity of arcobacter in food products in the north of Spain. J Food Prot 2013; 76:1447-50. [PMID: 23905804 DOI: 10.4315/0362-028x.jfp-13-014] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The bacterial contamination of food products can cause serious public health problems. Interest in Arcobacter contamination has increased due to the relationship between these bacteria and human enteritis. We studied the prevalence and genetic diversity of Arcobacter species at the retail level in the province of Alava in Basque Country, Spain. The results showed a high genetic diversity and indicated the regular presence of the main Arcobacter spp. associated with human enteric illness in food products. Arcobacter butzleri, Arcobacter cryaerophilus, and Arcobacter skirrowii were detected with an overall prevalence close to 40% and were isolated from 15 (42.8%) fresh cow's milk samples, 12 (73.3%) shellfish samples, 11 (55%) chicken samples, 2 (10%) pork samples, and 1 (5%) beef sample. The results indicate the need to investigate the impact of Arcobacter spp. on public health.
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Affiliation(s)
- Barbara Nieva-Echevarria
- Department of Immunology, Microbiology and Parasitology, Faculty of Pharmacy, University of the Basque Country-UPV/EHU, C/ Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
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Hausdorf L, Neumann M, Bergmann I, Sobiella K, Mundt K, Fröhling A, Schlüter O, Klocke M. Occurrence and genetic diversity of Arcobacter spp. in a spinach-processing plant and evaluation of two Arcobacter-specific quantitative PCR assays. Syst Appl Microbiol 2013; 36:235-43. [PMID: 23561260 DOI: 10.1016/j.syapm.2013.02.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2012] [Revised: 02/08/2013] [Accepted: 02/10/2013] [Indexed: 11/19/2022]
Abstract
Some species of the genus Arcobacter are considered to be emerging food pathogens. With respect to recent vegetable-borne outbreaks, the aim of this work was to investigate the occurrence and diversity of Arcobacter within the production chain of a spinach-processing plant by a combination of cultivation and molecular methods. Samples including spinach, water, and surface biofilm were taken over a period of three years from the entire processing line. Ten 16S rRNA (rrs) gene clone libraries were constructed and analysed using amplified rRNA gene restriction analysis (ARDRA). Approximately 1200 clones were studied that resulted in 44 operational taxonomic units (OTUs). Sequences with high similarities to Arcobacter cryaerophilus (13% of clones, 3 OTUs), A. ellisii (4%, 6 OTUs), A. suis (15%, 3 OTUs), and the type strain of A. nitrofigilis (1%, 7 OTUs) were identified. This represents the first report of the detection of the recently described species A. ellisii, A. suis and, in addition, A. venerupis from alternative habitats. A total of 67% of the clones (22 OTUs) could not be assigned to a genus, which indicated the presence of uncharacterised Arcobacter species. For the cultivation-independent detection of Arcobacter, two genus-specific quantitative PCR (qPCR) assays were developed and tested on 15 Arcobacter species. When these assays were applied to samples from the spinach-processing plant, they showed positive results for up to 35% of the samples and supported the conclusion that there is a considerable risk for the transfer of pathogenic Arcobacter species on vegetables, which was also verified by a cultivation approach.
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Affiliation(s)
- Lena Hausdorf
- Leibniz-Institut für Agrartechnik Potsdam-Bornim e.V.-ATB, Max-Eyth-Allee 100, D-14469 Potsdam, Germany
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Arcobacter in Lake Erie beach waters: an emerging gastrointestinal pathogen linked with human-associated fecal contamination. Appl Environ Microbiol 2012; 78:5511-9. [PMID: 22660704 DOI: 10.1128/aem.08009-11] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
The genus Arcobacter has been associated with human illness and fecal contamination by humans and animals. To better characterize the health risk posed by this emerging waterborne pathogen, we investigated the occurrence of Arcobacter spp. in Lake Erie beach waters. During the summer of 2010, water samples were collected 35 times from the Euclid, Villa Angela, and Headlands (East and West) beaches, located along Ohio's Lake Erie coast. After sample concentration, Arcobacter was quantified by real-time PCR targeting the Arcobacter 23S rRNA gene. Other fecal genetic markers (Bacteroides 16S rRNA gene [HuBac], Escherichia coli uidA gene, Enterococcus 23S rRNA gene, and tetracycline resistance genes) were also assessed. Arcobacter was detected frequently at all beaches, and both the occurrence and densities of Arcobacter spp. were higher at the Euclid and Villa Angela beaches (with higher levels of fecal contamination) than at the East and West Headlands beaches. The Arcobacter density in Lake Erie beach water was significantly correlated with the human-specific fecal marker HuBac according to Spearman's correlation analysis (r = 0.592; P < 0.001). Phylogenetic analysis demonstrated that most of the identified Arcobacter sequences were closely related to Arcobacter cryaerophilus, which is known to cause gastrointestinal diseases in humans. Since human-pathogenic Arcobacter spp. are linked to human-associated fecal sources, it is important to identify and manage the human-associated contamination sources for the prevention of Arcobacter-associated public health risks at Lake Erie beaches.
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Amare L, Saleha A, Zunita Z, Jalila A, Hassan L. Prevalence of Arcobacter spp. on chicken meat at retail markets and in farm chickens in Selangor, Malaysia. Food Control 2011. [DOI: 10.1016/j.foodcont.2010.11.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Patyal A, Rathore RS, Mohan HV, Dhama K, Kumar A. Prevalence of Arcobacter spp. in Humans, Animals and Foods of Animal Origin Including Sea Food from India. Transbound Emerg Dis 2011; 58:402-10. [DOI: 10.1111/j.1865-1682.2011.01221.x] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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Collado L, Figueras MJ. Taxonomy, epidemiology, and clinical relevance of the genus Arcobacter. Clin Microbiol Rev 2011; 24:174-92. [PMID: 21233511 PMCID: PMC3021208 DOI: 10.1128/cmr.00034-10] [Citation(s) in RCA: 324] [Impact Index Per Article: 24.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The genus Arcobacter, defined almost 20 years ago from members of the genus Campylobacter, has become increasingly important because its members are being considered emergent enteropathogens and/or potential zoonotic agents. Over recent years information that is relevant for microbiologists, especially those working in the medical and veterinary fields and in the food safety sector, has accumulated. Recently, the genus has been enlarged with several new species. The complete genomes of Arcobacter butzleri and Arcobacter nitrofigilis are available, with the former revealing diverse pathways characteristic of free-living microbes and virulence genes homologous to those of Campylobacter. The first multilocus sequence typing analysis showed a great diversity of sequence types, with no association with specific hosts or geographical regions. Advances in detection and identification techniques, mostly based on molecular methods, have been made. These microbes have been associated with water outbreaks and with indicators of fecal pollution, with food products and water as the suspected routes of transmission. This review updates this knowledge and provides the most recent data on the taxonomy, species diversity, methods of detection, and identification of these microbes as well as on their virulence potential and implication in human and animal diseases.
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Affiliation(s)
- Luis Collado
- Unit of Microbiology, Department of Basic Health Sciences, School of Medicine and Health Sciences, IISPV, University Rovira i Virgili, Reus, Spain, Institute of Microbiology, Faculty of Science, Universidad Austral de Chile, Valdivia, Chile
| | - Maria José Figueras
- Unit of Microbiology, Department of Basic Health Sciences, School of Medicine and Health Sciences, IISPV, University Rovira i Virgili, Reus, Spain, Institute of Microbiology, Faculty of Science, Universidad Austral de Chile, Valdivia, Chile
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Ertas N, Dogruer Y, Gonulalan Z, Guner A, Ulger I. Prevalence of arcobacter species in drinking water, spring water, and raw milk as determined by multiplex PCR. J Food Prot 2010; 73:2099-102. [PMID: 21219725 DOI: 10.4315/0362-028x-73.11.2099] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The aim of this study was to investigate the incidence of Arcobacter species in water sources and raw milk from healthy animals in Kayseri, Turkey. A total of 175 samples of drinking water (n = 100), spring water (n = 25), and raw milk (n = 50) were examined. Arcobacter species were isolated using the membrane filtration technique. Overall, 7 (4%) of the 175 samples yielded Arcobacter spp.: 3 (3%) drinking water samples, 1 (4%) spring water sample, and 3 (6%) raw milk samples. Two species of Arcobacter were recovered from the seven positive samples: Arcobacter butzleri, Arcobacter skirrowii, and A. butzleri plus A. skirrowii found in 3 (1.7%), 2 (1.1%), and 2 (1.1%) samples, respectively. Our study is the first to report the isolation of both A. butzleri and A. skirrowii together from drinking water and is the first report of Arcobacter in milk from healthy cows in Turkey. Based on these findings, the presence of Arcobacter species in environmental waters and raw milk may pose a potential hazard for human health.
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Affiliation(s)
- Nurhan Ertas
- Department of Food Hygiene and Technology, Faculty of Veterinary Medicine, University of Erciyes, Kayseri, Turkey.
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Lee MH, Cheon DS, Choi S, Lee BH, Jung JY, Choi C. Prevalence of Arcobacter species isolated from retail meats in Korea. J Food Prot 2010; 73:1313-6. [PMID: 20615344 DOI: 10.4315/0362-028x-73.7.1313] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
This study was conducted to determine the prevalence of Arcobacter species identified or isolated from retail meats in Korea. Multiplex PCR assays for the detection of Arcobacter species were performed for 360 chicken, 100 pork, and 106 beef samples. Arcobacter butzleri and Arcobacter cryaerophilus were detected in 18.9 and 3.3% of chicken samples, respectively. However, Arcobacter species were not found in any of the pork and beef samples. Biochemical testing of isolates selected after enrichment revealed 38 A. butzleri isolates in chicken samples, but no A. cryaerophilus isolates were detected. In this study, A. butzleri was the most prevalent Arcobacter species in chicken meat, and contamination with Arcobacter species in pork and beef may be less prevalent in Korea.
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Affiliation(s)
- Min Hwa Lee
- Department of Food and Nutrition, College of Human Ecology, Chung-Ang University, Ansung-si, Kyounggi-do, Republic of Korea
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Collado L, Kasimir G, Perez U, Bosch A, Pinto R, Saucedo G, Huguet JM, Figueras MJ. Occurrence and diversity of Arcobacter spp. along the Llobregat River catchment, at sewage effluents and in a drinking water treatment plant. WATER RESEARCH 2010; 44:3696-3702. [PMID: 20427071 DOI: 10.1016/j.watres.2010.04.002] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2010] [Revised: 03/18/2010] [Accepted: 04/06/2010] [Indexed: 05/29/2023]
Abstract
The presence of Arcobacter species in faecally contaminated environmental waters has previously been studied. However, the ability to eliminate Arcobacter during the water treatment processes that produce drinking water has been little studied. We have investigated the prevalence and diversity of Arcobacter spp. throughout the year at 12 sampling points in the Llobregat River catchment (Catalonia, Spain) including 3 sites at a drinking water treatment plant. Positive samples for Arcobacter spp., came predominantly from the most faecally polluted sites. Recovery rates from all sites were greater in the spring (91.7%) and summer (83.3%) than in autumn and winter (75.0% in both cases), but this trend was not statistically evaluated due to the limited number of samples. Among the 339 colonies analyzed, the most prevalent species by multiplex PCR and 16S rDNA restriction fragment length polymorphism were Arcobacter butzleri (80.2%), followed by Arcobacter cryaerophilus (19.4%) and Arcobacter skirrowii (0.3%). Isolates showed a high genotype diversity as determined by the enterobacterial repetitive intergenic consensus PCR. In fact, 91.2% (309/339) of the colonies had different genotypes, i.e. 248 of them among the 275 isolates of A. butzleri and 60 among the 63 isolates of A. cryaerophilus and 1 genotype of A. skirrowii. Arcobacter was never detected or isolated from finished drinking water, demonstrating that water treatment is effective in removing Arcobacter species.
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Affiliation(s)
- Luis Collado
- Unitat de Microbiologia, Departament de Ciències Mediques Bàsiques, Facultat de Medicina i Ciències de la Salut, IISPV, Universitat Rovira i Virgili, Sant Llorenç 21, 43201 Reus, Spain
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Teague NS, Srijan A, Wongstitwilairoong B, Poramathikul K, Champathai T, Ruksasiri S, Pavlin J, Mason CJ. Enteric pathogen sampling of tourist restaurants in Bangkok, Thailand. J Travel Med 2010; 17:118-23. [PMID: 20412179 DOI: 10.1111/j.1708-8305.2009.00388.x] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
BACKGROUND Travelers' diarrhea (TD) is the most prevalent disorder affecting travelers to developing countries. Thailand is considered "moderately risky" for TD acquisition, but the risk by city visited or behavior of the visitor has yet to be definitely defined. Restaurant eating is consistently associated with the acquisition of diarrhea while traveling, and pathogen-free meals serve as a marker of public health success. This study seeks to ascertain a traveler's risk of exposure to certain bacterial gastric pathogens while eating at Bangkok restaurants recommended in popular tourist guide books. METHODS A cross-sectional tourist restaurant survey was conducted. Thirty-five restaurants recommended in the two top selling Bangkok guidebooks on Amazon.com were sampled for bacterial pathogens known to cause diarrhea in Thailand, namely Salmonella, Campylobacter, and Arcobacter (a Campylobacter-like organism). A total of 70 samples from two meals at each restaurant were obtained. Suspected bacterial pathogens were isolated by differential culture and tested for antibiotic resistance. RESULTS Salmonella group E was isolated from one meal (2%), and Arcobacter butzleri from nine meals (13%). Campylobacter spp. were not found. The large majority of A butzleri isolates were resistant to azithromycin but susceptible to ciprofloxacin and an aminoglycoside. CONCLUSIONS A traveler's risk of exposure to established bacterial pathogens, Salmonella and Campylobacter, by eating in recommended restaurants is small. Arcobacter butzleri exposure risk is 13% per meal eaten, and rises to 75% when 10 meals are eaten. All restaurants, regardless of price, appear to be equally "risky." Current evidence points to Arcobacter being pathogenic in humans; however, further research is needed to conclusively define pathogenicity. Routine prophylaxis for diarrhea is not recommended; however, travelers should be aware of the risk and come prepared with adequate and appropriate self-treatment medications.
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Affiliation(s)
- Nathan S Teague
- Department of Preventive Medicine, Madigan Army Medical Center, Ft Lewis, WA 98431, USA.
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Aydin S, Gure H, Cakici H, Colakoglu S, Bircan R. Gross pathology, blood chemistry, lipid and peroxide contents in rainbow trout ( Oncorhynchus mykiss Walbaum) affected by experimental Arcobacter cryaerophilus infection at low water temperature. Acta Vet Hung 2009; 57:305-17. [PMID: 19584043 DOI: 10.1556/avet.57.2009.2.11] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
Arcobacter cryaerophilus was isolated from naturally infected rainbow trout ( Oncorhynchus mykiss Walbaum), and its pathogenicity was tested by intramuscular injection using healthy 1-year-old rainbow trout under cold-water conditions (at 5 degrees C). The lethal dosage of 50% end point (LD 50 ) for A. cryaerophilus was calculated as 7.79 x 10 5 viable cells. Experimental infection caused gross clinical abnormalities such as fallen scales, exophthalmia, oedema in injection region and at the base of fins, pale gills, kidney necrosis, hyperaemic areas in pale liver, haemorrhagic spots in heart, elongated spleen and swollen gallbladder. Activities of aspartate aminotransferase and alkaline phosphatase, and concentrations of glucose, total protein, albumin, cholesterol, triglyceride and calcium in the serum of the experimentally infected rainbow trout were significantly decreased compared with the healthy fish. Positive correlations were observed among blood parameters. Total lipid weights increased in the brain, muscle and liver tissues of infected fish and dropped in the gill and spleen tissues. Lipid peroxide contents in the brain, liver, kidney, spleen, muscle and gill tissues of infected rainbow trout were significantly higher than in healthy animals. The present work shows that A. cryaerophilus can be moderately virulent for rainbow trout at low water temperature, and changes in lipid and lipid peroxide contents of tissues and blood indices can highlight barely detectable effects of A. cryaerophilus infection in rainbow trout under laboratory conditions. However, the application of these indices in farm biomonitoring using rainbow trout will need more detailed studies and a careful consideration of the environmental parameters.
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Affiliation(s)
- Seyit Aydin
- 1 Kastamonu University Education Faculty 37200 Kastamonu Turkey
| | - Hayati Gure
- 2 Ministry of Rural Affairs Directory of Çanakkale Canakkale Turkey
| | - Hasan Cakici
- 3 Canakkale Onsekiz Mart University Medicine College Canakkale Turkey
| | - Serhat Colakoglu
- 2 Ministry of Rural Affairs Directory of Çanakkale Canakkale Turkey
| | - Recep Bircan
- 4 Ondokuz Mayıs University Fisheries Faculty Sinop Turkey
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Abstract
Arcobacter is considered an emergent foodborne and waterborne enteropathogen. However, its prevalence in foods of animal origin is only partially known, because most studies have been concentrated on poultry, pork, and beef, and methods applied do not allow identification of all currently accepted Arcobacter species. We investigated the prevalence of Arcobacter in 203 food samples, 119 samples of seven different types of meats and 84 samples of four types of shellfish. Isolates were identified in parallel by using a published multiplex PCR method and a recently described 16S rDNA restriction fragment length polymorphism method that allows all currently accepted Arcobacter species to be characterized. The global prevalence of Arcobacter was 32%; it was highest in clams (5 of 5 samples, 100%) and chicken (9 of 14 samples, 64.3%) followed by pork (9 of 17 samples, 53.0%), mussels (23 of 56 samples, 41.1%), and duck meat (2 of 5 samples, 40.0%). Turkey meat and beef had a similar recovery rate (10 of 30 samples, 33.3%; 5 of 16 samples, 31.3%; respectively), and rabbit meat had the lowest rate (1 of 10 samples, 10.0%). No arcobacters were found in oysters, frozen shrimps, or sausages. This food survey is the first in which five of the seven accepted Arcobacter species have been isolated. Arcobacter butzleri was the most prevalent species (63.0% of isolates) followed by Arcobacter cryaerophilus (26.6%), Arcobacter mytili (4.7%), Arcobacter skirrowii (3.1%), and Arcobacter nitrofigilis (3.1%). Three (4.7%) of the isolates were classified as belonging to three potentially new phylogenetic lines. Our results indicated that Arcobacter species are widely distributed in the food products studied.
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Affiliation(s)
- Luis Collado
- Unitat de Microbiologia, Departament de Ciències Mediques Bàsiques, Facultat de Medicina i Ciències de la Salut, IISPV, Universitat Rovira i Virgili, Reus, Spain
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Cervenka L. Survival and Inactivation ofArcobacterspp., a Current Status and Future Prospect. Crit Rev Microbiol 2008; 33:101-8. [PMID: 17558659 DOI: 10.1080/10408410701364497] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
Arcobacter spp. has been isolated from food of animal origin (particularly meats) and from various kind of water. Despite its phylogenetically related neighbor Campylobacter, Arcobacter is regarded as an emerging foodborne pathogen. Since Arcobacter differs in its phenotypic characteristics, the physical and chemical treatments designed for elimination of campylobacters from food and environment needs to be verified. This review focuses on the occurrence, and mainly on susceptibility to various physical and chemical treatments for inactivation of Arcobacter spp. The existing studies have been critically discussed and new challenges were proposed for further studies.
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Affiliation(s)
- Libor Cervenka
- Department of Analytical Chemistry, University of Pardubice, Pardubice, Czech Republic.
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Van Driessche E, Houf K. Survival capacity in water ofArcobacterspecies under different temperature conditions. J Appl Microbiol 2008; 105:443-51. [DOI: 10.1111/j.1365-2672.2008.03762.x] [Citation(s) in RCA: 56] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Pejchalová M, Dostalíková E, Slámová M, Brozková I, Vytrasová J. Prevalence and diversity of Arcobacter spp. in the Czech Republic. J Food Prot 2008; 71:719-27. [PMID: 18468025 DOI: 10.4315/0362-028x-71.4.719] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The aim of this study was to examine 634 samples of chicken, lamb, pork, beef, fish, samples from the intensive animal industry and from poultry for slaughter, as well as from the domestic breeding of poultry, horses, pigs, and lambs, from surface water, and from clinical samples for the presence of Arcobacter. All the samples were examined with a cultivation method, followed by confirmation by multiplex PCR. The method of multiplex PCR applied directly to a liquid medium after enrichment was applied only to the samples with the highest probability of the presence of arcobacters. Arcobacter spp. were detected in 11.8% of the samples, of which A. butzleri, A. cryaerophilus, and A. skirrowii were found in 6.6, 5.1, and 0.2% of the samples, respectively. The sources of the arcobacters were chicken meat from the retail market, intensive animal production facilities, domestic chicken breeding facilities, lamb raising environments, surface water and wastewater, and beef swabs taken in a meat processing factory. No occurrence of arcobacters was identified in the swabs from slaughter turkeys, ducks, and wild poultry. No arcobacters were found in horse and pig breeding environments, on pork, or on the swabs of fish. Forty-two rectal swabs taken from humans were also free of Arcobacter. Seventeen isolates of Arcobacter were further identified by sequencing the 16S rRNA gene. Varied genotypes were observed among A. butzleri from chicken meat and chicken breeds, and A. cryaerophilus from wastewater and chicken breeds. They were similar to the genotypes present in wastewater, porcine feces, human stool, and human blood obtained from databases. Our results revealed that the chicken meat from the retail market is an important source of arcobacters. Cross-contamination during handling of chicken carcass practices could play a key role in the spread of Arcobacter.
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Affiliation(s)
- M Pejchalová
- Department of Biological and Biochemical Sciences, Faculty of Chemical Technology, University of Pardubice, Strossova 239, 53003 Pardubice, Czech Republic.
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Collado L, Inza I, Guarro J, Figueras MJ. Presence of Arcobacter spp. in environmental waters correlates with high levels of fecal pollution. Environ Microbiol 2008; 10:1635-40. [DOI: 10.1111/j.1462-2920.2007.01555.x] [Citation(s) in RCA: 121] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Aydin F, Gümüşsoy KS, Atabay HI, Iça T, Abay S. Prevalence and distribution of Arcobacter species in various sources in Turkey and molecular analysis of isolated strains by ERIC-PCR. J Appl Microbiol 2008; 103:27-35. [PMID: 17584450 DOI: 10.1111/j.1365-2672.2006.03240.x] [Citation(s) in RCA: 66] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIMS To determine the prevalence of Arcobacter in various food, animal and water sources in Turkey and to subtype the isolated strains using enterobacterial repetitive intergenic consensus (ERIC)-PCR. METHODS AND RESULTS A total of 806 samples consisting of chicken (100) and turkey meat (100); minced beef (27); rectal swabs from cattle (173), sheep (68) and dogs (62); cloacal swabs of broilers (100) and layers (100); gall bladders of cattle (50) and drinking water samples (26) were examined. A previously described membrane filtration method was used for the isolation. Isolates were identified at species level using multiplex-PCR and discriminated by ERIC-PCR for subtyping. Ninety-eight (12.1%) of the samples examined were found positive for arcobacters. Arcobacter spp. were isolated from 68%, 4%, 6.9%, 8% and 37% of chicken and turkey meats, rectal swabs and gall bladders of cattle and minced beef, respectively. No arcobacters were obtained from the rectal swabs of sheep and dogs, cloacal swabs of broilers and layers, and water samples examined. In total, 99 Arcobacter isolates were obtained. Of these isolates, 92 were identified as Arcobacter butzleri, five were Arcobacter skirrowii and two were Arcobacter cryaerophilus. Thirteen distinct DNA profiles among A. butzleri isolates were obtained by the ERIC-PCR. Of these profiles, eight were from chicken carcass, three from cattle rectal swab and two from minced beef meat isolates. Some of the isolates originated from different sources gave the same DNA profiles. All isolates of A. skirrowii and A. cryaerophilus gave different DNA profiles. CONCLUSIONS Poultry carcasses, minced beef meat, rectal swabs and gall bladders of cattle were found to be positive for Arcobacter spp. A. butzleri was the predominant species isolated. In addition, large heterogeneity among the Arcobacter isolates was determined. SIGNIFICANCE AND IMPACT OF THE STUDY Contamination of the poultry carcasses and minced beef meat, rectal and gall bladder samples of cattle with arcobacters poses a risk for both human and animal infections. Detection of several different Arcobacter strains may suggest multiple sources for contamination and infection.
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Affiliation(s)
- F Aydin
- Department of Microbiology, Faculty of Veterinary Medicine, University of Erciyes, Kayseri, Turkey.
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41
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A new 16S rDNA-RFLP method for the discrimination of the accepted species of Arcobacter. Diagn Microbiol Infect Dis 2007; 62:11-5. [PMID: 18060724 DOI: 10.1016/j.diagmicrobio.2007.09.019] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2007] [Revised: 08/23/2007] [Accepted: 09/10/2007] [Indexed: 11/21/2022]
Abstract
The genus Arcobacter that includes some species of clinical interest has been recently enlarged with the addition of several new species. The available molecular techniques for the characterization of Arcobacter spp. are unable to identify all the species included in this genus. We have developed a 16S rDNA-RFLP method able to separate the currently accepted 6 species of Arcobacter, including the 2 hybridization groups of Arcobacter cryaerophilus. The method based on the use of a pair of primers and of the endonuclease MseI has been validated using 12 reference strains (including the type strains) and 75 fresh isolates. All isolates tested produced species-specific RFLP patterns. This easy-to-perform method allows a fast and reliable recognition of the members of this complex genus.
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Chinivasagam HN, Corney BG, Wright LL, Diallo IS, Blackall PJ. Detection of Arcobacter spp. in piggery effluent and effluent-irrigated soils in southeast Queensland. J Appl Microbiol 2007; 103:418-26. [PMID: 17650202 DOI: 10.1111/j.1365-2672.2007.03275.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
AIMS To investigate the occurrence and levels of Arcobacter spp. in pig effluent ponds and effluent-treated soil. METHODS AND RESULTS A Most Probable Number (MPN) method was developed to assess the levels of Arcobacter spp. in seven pig effluent ponds and six effluent-treated soils, immediately after effluent irrigation. Arcobacter spp. levels in the effluent ponds varied from 6.5 x 10(5) to 1.1 x 10(8) MPN 100 ml(-1) and in freshly irrigated soils from 9.5 x 10(2) to 2.8 x 10(4) MPN g(-1) in all piggery environments tested. Eighty-three Arcobacter isolates were subjected to an abbreviated phenotypic test scheme and examined using a multiplex polymerase chain reaction (PCR). The PCR identified 35% of these isolates as Arcobacter butzleri, 49% as Arcobacter cryaerophilus while 16% gave no band. All 13 nonreactive isolates were subjected to partial 16S rDNA sequencing and showed a high similarity (>99%) to Arcobacter cibarius. CONCLUSIONS A. butzleri, A. cryaerophilus and A. cibarius were isolated from both piggery effluent and effluent-irrigated soil, at levels suggestive of good survival in the effluent pond. SIGNIFICANCE AND IMPACT OF THE STUDY This is the first study to provide quantitative information on Arcobacter spp. levels in piggery effluent and to associate A. cibarius with pigs and piggery effluent environments.
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Affiliation(s)
- H N Chinivasagam
- Department of Primary Industries and Fisheries, Animal Research Institute, Queensland, Australia.
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Quiñones B, Parker CT, Janda JM, Miller WG, Mandrell RE. Detection and genotyping of Arcobacter and Campylobacter isolates from retail chicken samples by use of DNA oligonucleotide arrays. Appl Environ Microbiol 2007; 73:3645-55. [PMID: 17416693 PMCID: PMC1932690 DOI: 10.1128/aem.02984-06] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
To explore the use of DNA microarrays for pathogen detection in food, we produced DNA oligonucleotide arrays to simultaneously determine the presence of Arcobacter and the presence of Campylobacter in retail chicken samples. Probes were selected that target housekeeping and virulence-associated genes in both Arcobacter butzleri and thermotolerant Campylobacter jejuni and Campylobacter coli. These microarrays showed a high level of probe specificity; the signal intensities detected for A. butzleri, C. coli, or C. jejuni probes were at least 10-fold higher than the background levels. Specific identification of A. butzleri, C. coli, and C. jejuni was achieved without the need for a PCR amplification step. By adapting an isolation method that employed membrane filtration and selective media, C. jejuni isolates were recovered from package liquid from whole chicken carcasses prior to enrichment. Increasing the time of enrichment resulted in the isolation of A. butzleri and increased the recovery of C. jejuni. C. jejuni isolates were further classified by using an additional subset of probes targeting the lipooligosaccharide (LOS) biosynthesis locus. Our results demonstrated that most of the C. jejuni isolates likely possess class B, C, or H LOS. Validation experiments demonstrated that the DNA microarray had a detection sensitivity threshold of approximately 10,000 C. jejuni cells. Interestingly, the use of C. jejuni sequence-specific primers to label genomic DNA improved the sensitivity of this DNA microarray for detection of C. jejuni in whole chicken carcass samples. C. jejuni was efficiently detected directly both in package liquid from whole chicken carcasses and in enrichment broths.
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Affiliation(s)
- Beatriz Quiñones
- U.S. Department of Agriculture, Agricultural Research Service, Western Regional Research Center, Produce Safety and Microbiology Research Unit, Albany, CA 94710, USA
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Andersen MME, Wesley IV, Nestor E, Trampel DW. Prevalence of Arcobacter species in market-weight commercial turkeys. Antonie van Leeuwenhoek 2007; 92:309-17. [PMID: 17372847 DOI: 10.1007/s10482-007-9153-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2006] [Revised: 11/14/2006] [Accepted: 12/13/2006] [Indexed: 10/23/2022]
Abstract
The prevalence of Arcobacter in live market weight turkeys was determined for six Midwestern commercial flocks at three intervals. Samples (n = 987) were collected from cloaca, feathers, ceca, crop, drinkers and environmental samples on farms and from carcasses at slaughter. Initially, EMJH-P80 and CVA isolated Arcobacter from 7.1% (40 of 564) of samples, while Arcobacter enrichment broth and selective agar recovered the microbe in 4.7% of samples (23 of 489 samples). Although EMJH-P80 coupled with CVA yielded Arcobacter more frequently, the selectivity of the modified Arcobacter agar enhanced the recognition of Arcobacter colonies. A multiplex PCR was used to identify all Arcobacter species and to differentiate Arcobacter butzleri. The low prevalence of Arcobacter detected in cloacal swab (2.0%, 6 of 298 samples) and cecal contents (2.1%, 3 of 145 samples) suggests that Arcobacter infrequently colonizes the intestinal tract. Despite its low prevalence in live turkeys, Arcobacter spp. were identified in 93% of carcass swabs (139 of 150 samples). The overall prevalence of Arcobacter in drinker water decreased from 67% (31 of 46 samples) in the summer of 2003 to 24.7% (18 of 73 samples) during resampling in the spring of 2004 and was inversely related to the chlorination level.
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González A, Botella S, Montes RM, Moreno Y, Ferrús MA. Direct detection and identification of Arcobacter species by multiplex PCR in chicken and wastewater samples from Spain. J Food Prot 2007; 70:341-7. [PMID: 17340867 DOI: 10.4315/0362-028x-70.2.341] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Twenty-two chicken livers, 10 chicken carcasses, and 15 wastewater samples were processed and analyzed for Arcobacter by PCR and traditional culture methods. Samples were enriched for 24 and 48 h, incubated at 30 degrees C under aerobic conditions, and streaked on blood selective media. To determine the best isolation conditions, 20 samples also were processed under microaerophilic conditions at 37 degrees C. Simple and multiplex PCR assays were used directly with enrichment broths and isolated strains. Seventeen Arcobacter strains were isolated from chicken samples, and A. butzleri was the only Arcobacter species identified. The direct PCR assay revealed that 29 of the 32 chicken samples were contaminated with Arcobacter. A. butzleri was the most frequently detected species, although Arcobacter cryaerophilus also was present in some of the samples and Arcobacter skirrowii occasionally was detected. All the wastewater samples were positive by PCR assay for Arcobacter after 24 h of enrichment. A. butzleri and A. cryaerophilus were detected with the multiplex PCR assay. Fourteen Arcobacter strains were isolated from 10 of the 15 water samples analyzed; 7 were identified as A. butzleri and the remaining 7 were A. cryaerophilus. Both for chicken and water samples, Arcobacter detection rate for PCR amplification was higher than for culture isolation. These results indicate the high prevalence of Arcobacter in chicken and wastewater and the inadequacy of available cultural methods for its detection. The species-specific multiplex PCR assay is a rapid method for assessing Arcobacter contamination in chicken and wastewater samples and is a viable alternative to biochemical identification of isolated strains.
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Affiliation(s)
- A González
- Departamento de Biotecnología, Universidad Politècnica, Camino de Vera 14, 46022 Valencia, Spain
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Brightwell G, Mowat E, Clemens R, Boerema J, Pulford DJ, On SL. Development of a multiplex and real time PCR assay for the specific detection of Arcobacter butzleri and Arcobacter cryaerophilus. J Microbiol Methods 2006; 68:318-25. [PMID: 17055091 DOI: 10.1016/j.mimet.2006.09.008] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2006] [Revised: 07/27/2006] [Accepted: 09/13/2006] [Indexed: 11/16/2022]
Abstract
A new multiplex PCR and two specific TaqMan assays were developed to target the emerging pathogens A. butzleri and A. cryaerophilus. The assays also included an internal control to verify the presence of bacterial target DNA and amplification integrity. The multiplex assay used a published primer set (CRY1 and CRY2) for detecting A. cryaerophilus DNA (Houf, K., Tutenel, A., De Zutter, L., Van Hoof, J. and Vandamme, P., 2000. Development of a multiplex PCR assay for the simultaneous detection and identification of Arcobacter butzleri, Arcobacter cryaerophilus and Arcobacter skirrowii. FEMS microbiology letters, 193 (1): 89-94.) and a novel A. butzleri primer set designed to target the rpoB/C gene sequences. To improve sample throughput and assay sensitivity a TaqMan assay for each Arcobacter spp. was developed which again utilised the heterogeneity contained in the rpoB/C and 23s rRNA gene sequences. The two TaqMan assays provided >2 log improvement in detection sensitivity for both Arcobacter spp. compared with the multiplex PCR assay and were able to detect <10 CFU per PCR reaction. To evaluate the effectiveness of the Arcobacter TaqMan assays with field isolates the assays were used to screen DNA samples prepared from faecal, hide and environmental samples obtained from two meat processing plants. In these studies, the TaqMan assays revealed that 2/150 (1.3%) samples were A. butzleri-positive, 11/150 (7.3%) were A. cryaerophilus-positive and the identity of generated amplicons was confirmed by DNA sequencing. Our results show that these TaqMan assays provide improvements in sensitivity and species-representation over other published Arcobacter PCR assays and they are compatible with detecting Arcobacters in sub-optimal matrices.
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Scullion R, Harrington CS, Madden RH. Prevalence of Arcobacter spp. in raw milk and retail raw meats in Northern Ireland. J Food Prot 2006; 69:1986-90. [PMID: 16924929 DOI: 10.4315/0362-028x-69.8.1986] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
A 1-year study was undertaken to determine the prevalence of Arcobacter spp. in raw milk and retail raw meats on sale in Northern Ireland. Retail raw poultry samples (n = 94), pork samples (n = 101), and beef samples (n = 108) were obtained from supermarkets in Northern Ireland, and raw milk samples (n = 101) were kindly provided by the Milk Research Laboratory, Department of Agriculture and Rural Development, Belfast, Northern Ireland. Presumptive arcobacters were identified by previously described genus-specific and species-specific PCR assays. Arcobacter spp. were found to be common contaminants of retail raw meats and raw milk in Northern Ireland. Poultry meat (62%) had the highest prevalence, but frequent isolations were made from pork (35%), beef (34%), and raw milk (46%). Arcobacter butzleri was the predominant species isolated from retail raw meats and was the only species isolated from raw milk samples. Arcobacter cryaerophilus was detected less frequently, and Arcobacter skirrowii was detected only as a cocontaminant. To our knowledge, this is the first report of Arcobacter spp. prevalence in a diverse range of products of animal origin in Northern Ireland.
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Affiliation(s)
- Roisin Scullion
- Food Science Department, The Queen's University of Belfast, Northern Ireland
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Abstract
This review describes characteristics of the genus Arcobacter. Unlike its close phenotypically related neighbour Campylobacter, Arcobacter is not currently a major public health concern, but is considered as an emerging human pathogen, and is of significance towards animal health. This review focuses on the public health significance, culturing and typing, reservoirs, and antimicrobial studies of Arcobacter. Collectively, increasing knowledge in these areas will help to develop measures, which can be used to control this emerging pathogen.
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Affiliation(s)
- W J Snelling
- School of Biomedical Sciences, University of Ulster, Coleraine, Co., Londonderry, UK.
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Lehner A, Tasara T, Stephan R. Relevant aspects of Arcobacter spp. as potential foodborne pathogen. Int J Food Microbiol 2005; 102:127-35. [PMID: 15982771 DOI: 10.1016/j.ijfoodmicro.2005.03.003] [Citation(s) in RCA: 85] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2004] [Revised: 01/22/2005] [Accepted: 03/19/2005] [Indexed: 10/25/2022]
Abstract
Arcobacter species are Gram-negative spiral-shaped organisms belonging to the family Campylobacteraceae that can grow microaerobically or aerobically. The Arcobacter organisms also have the ability to grow at 15 degrees C, which is a distinctive feature that differentiates Arcobacter species from Campylobacter species. Cultural detection of Arcobacter is generally performed by an enrichment step and takes 4 to 5 days. In the last few years, several studies comparing different culture-based protocols have been published. Furthermore, DNA-based assays have also been established for rapid and specific identification of Arcobacter spp. Recent evidence suggests that Arcobacter, especially A. Butzleri, may be involved in human enteric diseases. Moreover, A. butzleri has also occasionally been found in cases of human extraintestinal diseases. However, up to now, little is known about the mechanisms of pathogenicity or potential virulence factors of Arcobacter spp. There is evidence that livestock animals may be a significant reservoir of Arcobacter spp. and over the last few years, the presence of these organisms in raw meat products as well as in surface and ground water has received increasing attention. In view of control measures to be used to prevent or to eliminate the hazard of Arcobacter spp. in food, several treatments have been evaluated for their effectiveness. While the role of Arcobacter spp. in human disease awaits further evaluation, a precautionary approach is advisable. Measures aimed at reduction or eradication of Arcobacter from the human food chain should be encouraged. With this article, we review the recent literature on this organism with a special emphasis on the information relevant to food safety.
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Affiliation(s)
- A Lehner
- Institute for Food Safety and Hygiene, Vetsuisse Faculty University of Zurich, Switzerland
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