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Yan W, Ji L, Dong F, Chen L, Yuan R, Zhang P. Antimicrobial resistance and genomic analysis of Vibrio parahaemolyticus isolates from foodborne outbreaks, Huzhou, China, 2019-2023. Front Microbiol 2024; 15:1439522. [PMID: 39323890 PMCID: PMC11422088 DOI: 10.3389/fmicb.2024.1439522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2024] [Accepted: 08/27/2024] [Indexed: 09/27/2024] Open
Abstract
Objective The purpose of this study was to investigate the epidemiological and genomic characteristics of Vibrio parahaemolyticus (V. parahaemolyticus) isolates from outbreaks in Huzhou, China. Methods This study aims to analyze the epidemiological data on V. parahaemolyticus outbreaks reported in Huzhou from 2019 to 2023. A total of 70 V. parahaemolyticus outbreak isolates were collected. The antibiotic resistance, serotypes, molecular typing, and genomic characteristics of these isolates were analyzed. Results Most outbreaks of V. parahaemolyticus infection occurred in the summer, and the majority of outbreaks occurred in restaurants and rural banquets. High resistance rates were observed for ampicillin (AMP, 24.29%), followed by tetracycline (TET, 15.71%) and trimethoprim-sulfamethoxazole (SXT, 15.71%). The newly emerged serotype O10:K4 became dominant from 2021 to 2023, with most isolates belonging to ST3. The resistance gene blaCARB was frequently detected among these isolates. The pulsed-field gel electrophoresis (PFGE) and whole-genome single-nucleotide polymorphisms (wgSNPs) effectively differentiated the nine outbreaks. Conclusion The newly emerged serotype O10:K4 became dominant from 2021 to 2023, with most isolates being ST3. PFGE and WGS technologies provided reliable methods for typing and identifying V. parahaemolyticus for outbreaks.
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Affiliation(s)
- Wei Yan
- Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang, China
| | - Lei Ji
- Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang, China
| | - Fenfen Dong
- Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang, China
| | - Liping Chen
- Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang, China
| | - Rui Yuan
- Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang, China
| | - Peng Zhang
- Huzhou Center for Disease Control and Prevention, Huzhou, Zhejiang, China
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Muzembo BA, Kitahara K, Ohno A, Khatiwada J, Dutta S, Miyoshi SI. Vibriosis in South Asia: A systematic review and meta-analysis. Int J Infect Dis 2024; 141:106955. [PMID: 38311027 DOI: 10.1016/j.ijid.2024.01.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/04/2024] [Accepted: 01/29/2024] [Indexed: 02/06/2024] Open
Abstract
OBJECTIVES South Asia remains home to foodborne diseases caused by the Vibrio species. We aimed to compile and update information on the epidemiology of vibriosis in South Asia. METHODS For this systematic review and meta-analysis, we searched PubMed, Web of Science, EMBASE, and Google Scholar for studies related to vibriosis in South Asia published up to May 2023. A random-effects meta-analysis was used to estimate the pooled isolation rate of non-cholera-causing Vibrio species. RESULTS In total, 38 studies were included. Seven of these were case reports and 22 were included in the meta-analysis. The reported vibriosis cases were caused by non-O1/non-O139 V. cholerae, V. parahaemolyticus, V. fluvialis, and V. vulnificus. The overall pooled isolation rate was 4.0% (95% confidence interval [CI] 3.0-5.0%) in patients with diarrhea. Heterogeneity was high (I2 = 98.0%). The isolation rate of non-O1/non-O139 V. cholerae, V. parahaemolyticus, and V. fluvialis were 9.0 (95% CI 7.0-10.0%), 1.0 (95% CI 1.0-2.0%), and 2.0 (95% CI: 1.0-3.0%), respectively. Regarding V. parahaemolyticus, O3:K6 was the most frequently isolated serotype. Cases peaked during summer. Several studies reported antibiotic-resistant strains and those harboring extended-spectrum beta-lactamases genes. CONCLUSIONS This study demonstrates a high burden of infections caused by non-cholera-causing Vibrio species in South Asia.
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Affiliation(s)
- Basilua Andre Muzembo
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan.
| | - Kei Kitahara
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan; Collaborative Research Centre of Okayama University for Infectious Diseases in India at ICMR-NICED, Kolkata, India
| | - Ayumu Ohno
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan; Collaborative Research Centre of Okayama University for Infectious Diseases in India at ICMR-NICED, Kolkata, India
| | | | - Shanta Dutta
- Division of Bacteriology, ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, India
| | - Shin-Ichi Miyoshi
- Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
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Siriphap A, Prapasawat W, Borthong J, Tanomsridachchai W, Muangnapoh C, Suthienkul O, Chonsin K. Prevalence, virulence characteristics, and antimicrobial resistance of Vibrio parahaemolyticus isolates from raw seafood in a province in Northern Thailand. FEMS Microbiol Lett 2024; 371:fnad134. [PMID: 38111221 DOI: 10.1093/femsle/fnad134] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Revised: 11/26/2023] [Accepted: 12/17/2023] [Indexed: 12/20/2023] Open
Abstract
Vibrio parahaemolyticus (V. parahaemolyticus) is commonly found in seawater and seafood products, but evidence is limited of its presence in seafood marketed in locations very distant from coastal sources. This study determined the prevalence and characterization of V. parahaemolyticus in seafood from markets in landlocked Phayao province, Northern Thailand. Among 120 samples, 26 (21.7%) were positive for V. parahaemolyticus, being highest in shrimp (43.3%), followed by shellfish (36.7%), and squid (6.7%), but was not found in fish. V. parahaemolyticus comprised 33 isolates that were non-pathogenic and non-pandemic. Almost all isolates from shrimp and shellfish samples were positive for T3SS1. Only five isolates (15.2%) showed two antimicrobial resistance patterns, namely, kanamycin-streptomycin (1) carrying sul2 and ampicillin-kanamycin-streptomycin (4) that carried tetA (2), tetA-sul2 (1), as well as one negative. Antimicrobial susceptible V. parahaemolyticus isolates possessing tetA (67.9%) and sul2 (3.5%) were also found. Six isolates positive for integron class 1 and/or class 2 were detected in 4 antimicrobial susceptible and 2 resistant isolates. While pathogenic V. parahaemolyticus was not detected, contamination of antimicrobial resistance V. parahaemolyticus in seafood in locations distant from coastal areas requires ongoing monitoring to improve food safety in the seafood supply chain.
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Affiliation(s)
- Achiraya Siriphap
- Division of Microbiology and Parasitology, School of Medical Sciences, University of Phayao, Phayao 56000, Thailand
| | - Watsawan Prapasawat
- Department of Clinic, Faculty of Veterinary Medicine, Mahanakorn University of Technology, Bangkok 10530, Thailand
| | - Jednipit Borthong
- Division of Biology, Faculty of Science and Technology, Rajamangala University of Technology Thanyaburi, Pathum Thani 12110, Thailand
| | - Wimonrat Tanomsridachchai
- Division of Bioresources, Hokkaido University International Institute for Zoonosis Control, Hokkaido 001-0020, Japan
| | - Chonchanok Muangnapoh
- Department of Microbiology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand
| | - Orasa Suthienkul
- Faculty of Public Health, Mahidol University, Bangkok 10400, Thailand
| | - Kaknokrat Chonsin
- Faculty of Science and Technology, Suratthani Rajabhat University, Surat Thani 84100, Thailand
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Ma JY, Zhu XK, Hu RG, Qi ZZ, Sun WC, Hao ZP, Cong W, Kang YH. A systematic review, meta-analysis and meta-regression of the global prevalence of foodborne Vibrio spp. infection in fishes: A persistent public health concern. MARINE POLLUTION BULLETIN 2023; 187:114521. [PMID: 36621299 DOI: 10.1016/j.marpolbul.2022.114521] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 12/14/2022] [Accepted: 12/18/2022] [Indexed: 06/17/2023]
Abstract
Human vibriosis, caused by pathogenic Vibrio spp., such as Vibrio parahaemolyticus, Vibrio cholerae and Vibrio vulnificus, has been increasing worldwide, mediated by increasing consumption of seafood. The present study was conducted to examine the global prevalence of V. vulnificus, V. parahaemolyticus and V. cholerae in fishes. We searched PubMed, Web of Science, Scopus, and CNKI for peer-reviewed articles and dissertations prior to December 31, 2021. A total of 24,831 articles were retrieved, and 82 articles contained 61 fish families were included. The global pooled prevalence of V. cholerae, V. parahaemolyticus and V. vulnificus in fishes was 9.56 % (95 % CI: 2.12-20.92), 24.77 % (95 % CI: 17.40-32.93) and 5.29 % (95 % CI: 0.38-13.61), respectively. Subgroup and meta-regression analyses showed that study-level covariates, including temperature, country, continent, origin and detection methods partly explained the between-study heterogeneity. These heterogeneities were underpinned by differences of the three Vibrio spp. in fishes at geographical and climatic scales. These results reveal a high global prevalence of pathogenic Vibrio spp. in fishes and highlight the need for implementation of more effective prevention and control measures to reduce food-borne infection in humans.
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Affiliation(s)
- Jun-Yang Ma
- Marine College, Shandong University, Weihai, Shandong 264209, PR China
| | - Xin-Kun Zhu
- Marine College, Shandong University, Weihai, Shandong 264209, PR China
| | - Ren-Ge Hu
- Marine College, Shandong University, Weihai, Shandong 264209, PR China
| | - Ze-Zheng Qi
- Marine College, Shandong University, Weihai, Shandong 264209, PR China
| | - Wen-Chao Sun
- Zhejiang Provincial Key Laboratory for Water Environment and Marine Biological Resources Protection, Wenzhou University, Wenzhou 32503, PR China
| | - Zhi-Peng Hao
- Marine College, Shandong University, Weihai, Shandong 264209, PR China
| | - Wei Cong
- Marine College, Shandong University, Weihai, Shandong 264209, PR China.
| | - Yuan-Huan Kang
- Marine College, Shandong University, Weihai, Shandong 264209, PR China.
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Neetoo H, Reega K, Manoga ZS, Nazurally N, Bhoyroo V, Allam M, Jaufeerally-Fakim Y, Ghoorah AW, Jaumdally W, Hossen AM, Mayghun F, Ismail A, Hosenally M. Prevalence, Genomic Characterization, and Risk Assessment of Human Pathogenic Vibrio Species in Seafood. J Food Prot 2022; 85:1553-1565. [PMID: 35880931 DOI: 10.4315/jfp-22-064] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Accepted: 07/21/2022] [Indexed: 11/11/2022]
Abstract
ABSTRACT Pathogenic Vibrio species are largely responsible for human diseases associated with consumption of contaminated seafood. The aim of this study was to determine the prevalence, population densities, species diversity, and molecular characteristics of pathogenic Vibrio in various seafood commodities and the health risks associated with consumption of these contaminated commodities. Samples of finfish and shellfish (oysters and sea urchins) were collected from various regions and analyzed for Vibrio with the most-probable-number (MPN) technique. Genomic DNA of putative Vibrio isolates was analyzed by whole genome sequencing for taxonomic identification and identification of virulence and antimicrobial resistance genes. The risk of Vibrio-related illnesses due to the consumption of contaminated seafood was assessed with Risk Ranger. Populations of presumptive Vibrio were 2.6 to 4.4 log MPN/g and correlated with season; Vibrio levels were significantly higher (P < 0.05) in the summer. Fifteen Vibrio isolates were identified as Vibrio alginolyticus (five isolates), Vibrio parahaemolyticus (six isolates), Vibrio harveyi (two isolates), and Vibrio diabolicus (two isolates). Two of the six V. parahaemolyticus isolates (ST 2504 and ST 2505) from oysters harbored either the tdh gene for thermostable direct hemolysin or the trh gene for thermostable direct hemolysin-related hemolysin. In addition to virulence genes, the shellfish isolates also harbored genes encoding resistance to multiple antibiotics, including tetracycline, penicillin, quinolone, and β-lactams, thus arousing concern. The risk assessment predicted that an estimated 21 cases of V. parahaemolyticus-associated gastroenteritis could occur in the general population annually due to consumption of contaminated oysters. This study highlights both the wide prevalence and diversity of Vibrio in seafood and the potential for certain strains to threaten public health. HIGHLIGHTS
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Affiliation(s)
- Hudaa Neetoo
- Department of Agricultural & Food Science, Faculty of Agriculture, United Arab Emirates University, Abu Dhabi, United Arab Emirates
| | - Keshnee Reega
- Department of Agricultural & Food Science, Faculty of Agriculture, United Arab Emirates University, Abu Dhabi, United Arab Emirates
| | - Zishaan Sheik Manoga
- Department of Agricultural & Food Science, Faculty of Agriculture, United Arab Emirates University, Abu Dhabi, United Arab Emirates
| | - Nadeem Nazurally
- Department of Agricultural & Food Science, Faculty of Agriculture, United Arab Emirates University, Abu Dhabi, United Arab Emirates
| | - Vishwakalyan Bhoyroo
- Department of Agricultural & Food Science, Faculty of Agriculture, United Arab Emirates University, Abu Dhabi, United Arab Emirates
| | - Mushal Allam
- College of Medicine & Health Sciences, United Arab Emirates University, Abu Dhabi, United Arab Emirates
| | - Yasmina Jaufeerally-Fakim
- Department of Agricultural & Food Science, Faculty of Agriculture, United Arab Emirates University, Abu Dhabi, United Arab Emirates
| | - Anisah Wahed Ghoorah
- Department of Digital Technologies, Faculty of Information, Communication and Digital Technologies, National Health Laboratory Services, Johannesburg, South Africa
| | - Wasseem Jaumdally
- Department of Agricultural & Food Science, Faculty of Agriculture, United Arab Emirates University, Abu Dhabi, United Arab Emirates
| | - Aicha Malleck Hossen
- Department of Agricultural & Food Science, Faculty of Agriculture, United Arab Emirates University, Abu Dhabi, United Arab Emirates
| | - Farheen Mayghun
- Department of Agricultural & Food Science, Faculty of Agriculture, United Arab Emirates University, Abu Dhabi, United Arab Emirates
| | - Arshad Ismail
- Sequencing Core Facility, National Institute for Communicable Diseases, National Health Laboratory Services, Johannesburg, South Africa
| | - Muzzammil Hosenally
- Department of Economics & Statistics, Faculty of Social Sciences and Humanities, University of Mauritius, Réduit, Mauritius
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Quantitative Risk Assessment of Vibrio parahaemolyticus Toxi Infection Associated with the Consumption of Roasted Shrimp (Penaeus monodon). J FOOD QUALITY 2022. [DOI: 10.1155/2022/5965151] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
In this study, a risk assessment on Vibrio parahaemolyticus infections was carried out in order to estimate the likelihood of gastroenteritis for Cameroonians after consumption of roasted shrimp (Penaeus monodon). The Codex Alimentarius Commission framework was used in this study. Based on the distribution of total V. parahaemolyticus in shrimp and literature information indicating that nonhaemolysing carrier strains could be pathogenic to humans, the cooking, and consumption patterns, the daily exposure level generated in this study, and the dose-response model from other studies, the infectious risk was evaluated and quantified by the Monte Carlo simulation. This simulation was realized based on 10,000 iterations using the Model Risk software, version 4.0, in combination with Microsoft Excel. To better quantify the exposure of consumers and the resulting risk of infection, several scenarios reflecting the minimal, average, and maximal exposures were undertaken. According to the results, the 90% confidence intervals for minimum and maximum exposures ranged from 15 to 24 colony-forming units per day (cells/day) and from 160 to 228 cells/day, respectively. Based on the modal scenario, 90% of the population consuming this shrimp is exposed to V. parahaemolyticus loads ranging from 74 to 110 cells/day, indicating a risk of infection ranging from 1.2 to 1.8 cases per million of consumption. The estimated number of annual disease cases based on annual production is between 1 and 10 cases. This reflects a relatively low risk of infection for roasted shrimp. Good hygiene practices during handling, cooking, and storage may help reduce the actual risk.
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7
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Isolation and Characterization of a Lytic Vibrio parahaemolyticus Phage vB_VpaP_GHSM17 from Sewage Samples. Viruses 2022; 14:v14081601. [PMID: 35893666 PMCID: PMC9331696 DOI: 10.3390/v14081601] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 07/05/2022] [Accepted: 07/20/2022] [Indexed: 11/17/2022] Open
Abstract
Vibrio parahaemolyticus is a major foodborne pathogen and the main cause of diarrheal diseases transmitted by seafood such as fish, shrimp, and shellfish. In the current study, a novel lytic phage infecting V. parahaemolyticus, vB_VpaP_GHSM17, was isolated from the sewage of a seafood market, Huangsha, Guangzhou, and its morphology, biochemistry, and taxonomy features were identified. Morphological observation revealed that GHSM17 had an icosahedral head with a short, non-contractile tail. The double-stranded DNA genome of GHSM17 consisted of 43,228 bp with a GC content of 49.42%. In total, 45 putative ORFs were identified in the GHSM17 genome. Taxonomic analysis indicated GHSM17 belonging to genus Maculvirus, family Autographiviridae. In addition, GHSM17 was stable over a wide range of temperatures (20-60 °C) and pH (5-11) and was completely inactivated after 70 min of ultraviolet irradiation. The bacterial inhibition assay revealed that GHSM17 could inhibit the growth of V. parahaemolyticus within 8 h. The results support that phage GHSM17 may be a potential candidate in the biological control of V. parahaemolyticus contamination in aquaculture.
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Synergistic effects of endolysin Lysqdvp001 and ε-poly-lysine in controlling Vibrio parahaemolyticus and its biofilms. Int J Food Microbiol 2021; 343:109112. [PMID: 33640572 DOI: 10.1016/j.ijfoodmicro.2021.109112] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 01/29/2021] [Accepted: 02/10/2021] [Indexed: 11/23/2022]
Abstract
The synergistic antibacterial effects between endolysin Lysqdvp001 and ε-poly-lysine (ε-PL) against Vibrio parahaemolyticus (V. parahaemolyticus) were investigated in this study. Lysqdvp001 combined with ε-PL exhibited a strong antibacterial synergism against V. parahaemolyticus. The combinations of Lysqdvp001 (≥60 U/mL) and ε-PL (≥0.2 mg/mL) dramatically decreased cell density of the bacterial suspensions at both 25 °C and 37 °C. Surface zeta potential increment and membrane hyperpolarization of V. parahaemolyticus were observed after treatment by ε-PL and its combination with Lysqdvp001. More β-lactamase and β-galactosidase were leaked from V. parahaemolyticus with combined treatment of Lysqdvp001 and ε-PL than from the bacteria treated with single Lysqdvp001 or ε-PL. Fluorescence and transmission electron microscope revealed that Lysqdvp001 and ε-PL synergistically induced the damage and morphological destruction of V. parahaemolyticus cells. When applying in Gadus macrocephalus, Penaeus orientalis and oyster, the two antimicrobials' cocktail allowed for 3.75, 4.16 and 2.50 log10CFU/g reductions of V. parahaemolyticus, respectively. Besides, Lysqdvp001 in combination with ε-PL removed approximately 44%-68% of V. parahaemolyticus biofilms on polystyrene, glass and stainless steel surfaces. These results demonstrated that Lysqdvp001 and ε-PL might be used together for controlling V. parahaemolyticus and the bacterial biofilms in food industry.
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Bonny SQ, Hossain MAM, Uddin SMK, Pulingam T, Sagadevan S, Johan MR. Current trends in polymerase chain reaction based detection of three major human pathogenic vibrios. Crit Rev Food Sci Nutr 2020; 62:1317-1335. [DOI: 10.1080/10408398.2020.1841728] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Sharmin Quazi Bonny
- Nanotechnology and Catalysis Research Centre, Institute of Advanced Studies, University of Malaya, Kuala Lumpur, Malaysia
| | - M. A. Motalib Hossain
- Nanotechnology and Catalysis Research Centre, Institute of Advanced Studies, University of Malaya, Kuala Lumpur, Malaysia
| | - Syed Muhammad Kamal Uddin
- Nanotechnology and Catalysis Research Centre, Institute of Advanced Studies, University of Malaya, Kuala Lumpur, Malaysia
| | - Thiruchelvi Pulingam
- Nanotechnology and Catalysis Research Centre, Institute of Advanced Studies, University of Malaya, Kuala Lumpur, Malaysia
| | - Suresh Sagadevan
- Nanotechnology and Catalysis Research Centre, Institute of Advanced Studies, University of Malaya, Kuala Lumpur, Malaysia
| | - Mohd Rafie Johan
- Nanotechnology and Catalysis Research Centre, Institute of Advanced Studies, University of Malaya, Kuala Lumpur, Malaysia
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Ndraha N, Wong HC, Hsiao HI. Managing the risk of Vibrio parahaemolyticus infections associated with oyster consumption: A review. Compr Rev Food Sci Food Saf 2020; 19:1187-1217. [PMID: 33331689 DOI: 10.1111/1541-4337.12557] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 02/15/2020] [Accepted: 03/02/2020] [Indexed: 12/15/2022]
Abstract
Vibrio parahaemolyticus is a Gram-negative bacterium that is naturally present in the marine environment. Oysters, which are water filter feeders, may accumulate this pathogen in their soft tissues, thus increasing the risk of V. parahaemolyticus infection among people who consume oysters. In this review, factors affecting V. parahaemolyticus accumulation in oysters, the route of the pathogen from primary production to consumption, and the potential effects of climate change were discussed. In addition, intervention strategies for reducing accumulation of V. parahaemolyticus in oysters were presented. A literature review revealed the following information relevant to the present study: (a) managing the safety of oysters (for human consumption) from primary production to consumption remains a challenge, (b) there are multiple factors that influence the concentration of V. parahaemolyticus in oysters from primary production to consumption, (c) climate change could possibly affect the safety of oysters, both directly and indirectly, placing public health at risk, (d) many intervention strategies have been developed to control and/or reduce the concentration of V. parahaemolyticus in oysters to acceptable levels, but most of them are mainly focused on the downstream steps of the oyster supply chain, and (c) although available regulation and/or guidelines governing the safety of oyster consumption are mostly available in developed countries, limited food safety information is available in developing countries. The information provided in this review may serve as an early warning for managing the future effects of climate change on the safety of oyster consumption.
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Affiliation(s)
- Nodali Ndraha
- Department of Food Science, National Taiwan Ocean University, Keelung, Taiwan (R.O.C.)
| | - Hin-Chung Wong
- Department of Microbiology, Soochow University, Taipei, Taiwan (R.O.C.)
| | - Hsin-I Hsiao
- Department of Food Science, National Taiwan Ocean University, Keelung, Taiwan (R.O.C.).,Institute of Food Safety and Risk Management, National Taiwan Ocean University, Keelung, Taiwan (R.O.C.)
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Yonekita T, Morishita N, Arakawa E, Matsumoto T. Development of a monoclonal antibody for specific detection of Vibrio parahaemolyticus and analysis of its antigen. J Microbiol Methods 2020; 173:105919. [PMID: 32289368 DOI: 10.1016/j.mimet.2020.105919] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2020] [Revised: 04/10/2020] [Accepted: 04/10/2020] [Indexed: 10/24/2022]
Abstract
Vibrio parahaemolyticus is a major foodborne pathogen worldwide. Contamination of V. parahaemolyticus in foods must be detected as quickly as possible because raw seafood, a major source of V. parahaemolyticus infection, is shipped immediately after production due to its short expiration date. In this study, we generated monoclonal antibodies (mAbs) against V. parahaemolyticus to develop a rapid and specific detection assay. Obtained mAbs were categorized into four groups according to their specificity. Of the groups, Group 1 (mAb VP7, VP11, and VP24) reacted to O1-O12 of V. parahaemolyticus without cross-reaction with human pathogenic Vibrio spp. (V. alginolyticus, V. cholerae, V. fluvialis, V. furnissii, V. mimicus, and V. vulnificus). We developed an immunochromatographic (IC) strip for the rapid detection of V. parahaemolyticus in the field using VP7 as a membrane-immobilized antibody and VP24 as a colloidal gold-conjugated antibody. The IC strip detected any and all serogroups (O1 to O12) or isolates (clinical, food, and environmental strains) of V. parahaemolyticus, regardless of the presence of virulence factors thermostable direct hemolysin (TDH) or TDH-related hemolysin (TRH). It did not cross-react with any other non-V. parahaemolyticus strains tested. To elucidate the target of the IC strip, we analyzed the antigen recognized by these mAbs. Group 1 mAbs showed two specific bands at molecular masses of approximately 11 and 16 kDa by western blotting analysis. Nano liquid chromatography mass spectrometry (LC-MS)/MS analysis revealed that the candidate antigen recognized by these mAbs was outer membrane (OM) lipoprotein Q87G48. We verified that mAb VP7 detected His-tagged OM lipoprotein synthesized by reconstituted cell-free protein synthesis reagent. Reactivity to an N-terminus deletion form and protease digestion form of the OM lipoprotein showed that the extent of epitope recognized by VP mAbs was 22nd-41st amino acids (AAs) from N-terminus of the OM lipoprotein, with the sequence "22SDDAATANAAKLDEL36." This region was also confirmed to be a V. parahaemolyticus-specific sequence by comparing putative orthologs of OM lipoprotein among Vibrio spp. The C-terminus deletion form (1st-39th AAs) including the sequence primarily recognized by VP mAbs (22nd-36th AAs) showed poor reactivity, indicating that the sequence after 40 residues of OM lipoprotein is also important for recognition by VP mAbs and VP mAbs recognize a conformational epitope. Bioinformatics research demonstrated that the OM lipoprotein is an ortholog of the lpp protein conserved throughout many bacteria. Lpp is an abundant and constitutively expressed protein and exists on the bacterial surface, suggesting it may be a good target for detection of V. parahaemolyticus.
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Affiliation(s)
- Taro Yonekita
- R&D Center, NH Foods Ltd, 3-3 Midorigahara, Tsukuba, Ibaraki 300-2646, Japan.
| | - Naoki Morishita
- R&D Center, NH Foods Ltd, 3-3 Midorigahara, Tsukuba, Ibaraki 300-2646, Japan
| | - Eiji Arakawa
- Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo 162-8640, Japan
| | - Takashi Matsumoto
- R&D Center, NH Foods Ltd, 3-3 Midorigahara, Tsukuba, Ibaraki 300-2646, Japan
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12
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Ren H, Li Z, Xu L, Li X, Wang L, Xu Y. Genome sequence analysis of Vibrio parahaemolyticus lytic phage Vp_R1 with a C3 morphotype. Arch Virol 2019; 164:2865-2871. [PMID: 31401694 DOI: 10.1007/s00705-019-04364-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 07/09/2019] [Indexed: 02/05/2023]
Abstract
Phage Vp_R1 belongs to the family Podoviridae and has a C3 morphotype, with an elongated head with a diameter of 190 ± 1.1 nm and an ultrashort tail with a length of 9 ± 1.2 nm. The double-stranded DNA genome is 112.1 kb long, has a mol% G + C content of 40.3, contains 129 ORFs, and encodes four tRNAs. Phylogenetic analysis suggests that phage Vp_R1 is a novel member of the genus Kuravirus.
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Affiliation(s)
- Hongyu Ren
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, People's Republic of China
| | - Zhen Li
- School of Ocean and Biological Engineering, Yancheng Institute of Technology, Yancheng, 224051, People's Republic of China
- Postdoctoral Work Center in Dalian SEM Biological Engineering Co. Ltd, Dalian, 116620, People's Republic of China
| | - Le Xu
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, People's Republic of China
| | - Xiaoyu Li
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, People's Republic of China
| | - Lili Wang
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, People's Republic of China
| | - Yongping Xu
- School of Bioengineering, Dalian University of Technology, Dalian, 116024, People's Republic of China.
- Postdoctoral Work Center in Dalian SEM Biological Engineering Co. Ltd, Dalian, 116620, People's Republic of China.
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13
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Shen X, Su YC, Liu C, Oscar T, DePaola A. Efficacy of Vibrio parahaemolyticus depuration in oysters (Crassostrea gigas). Food Microbiol 2019; 79:35-40. [DOI: 10.1016/j.fm.2018.10.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Revised: 10/17/2018] [Accepted: 10/17/2018] [Indexed: 10/28/2022]
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14
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Rodrigues PA, Ferrari RG, Conte-Junior CA. Application of molecular tools to elucidate the microbiota of seafood. J Appl Microbiol 2018; 124:1347-1365. [PMID: 29345036 DOI: 10.1111/jam.13701] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 01/09/2018] [Accepted: 01/11/2018] [Indexed: 12/19/2022]
Abstract
The aim of this review is to present the methodologies currently applied to identify microbiota and pathogens transmitted to humans through seafood consumption, focusing on molecular techniques and pointing out their importance, advantages, disadvantages and applicability. Knowledge of available techniques allows researchers to identify which technique best fits their expectations. With such discernment, it will be possible to infer which disadvantages will be present and, therefore, not interfering with the final result. Two methodologies can be employed for this purpose, dependent and independent cultures. However, the dependent culture has certain limitations that can be solved through the independent cultivation techniques, such as PCR, PFGE and NGS, especially through the sequencing of the 16S rRNA region, providing a complete view of microbial diversity. These have revolutionized microbiological knowledge, mainly because they allow for the identification of uncultivable micro-organisms, which represent a substantial portion of total micro-organisms, making it possible to elucidate not yet described taxa which may display pathogenic potential, besides quantifying microbial communities, microbiota genetics, translated proteins and produced metabolites. In addition, transcriptomic and metabolomic techniques also allow for the evaluation of possible impacts that microbial communities may create in their environment, as well as the determination of potential pathogenicity to humans.
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Affiliation(s)
- P A Rodrigues
- Department of Food Technology, Faculty of Veterinary, Molecular & Analytical Laboratory Center, Universidade Federal Fluminense, Niterói, Brazil
| | - R G Ferrari
- Department of Food Technology, Faculty of Veterinary, Molecular & Analytical Laboratory Center, Universidade Federal Fluminense, Niterói, Brazil.,Chemistry Institute, Food Science Program, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - C A Conte-Junior
- Department of Food Technology, Faculty of Veterinary, Molecular & Analytical Laboratory Center, Universidade Federal Fluminense, Niterói, Brazil.,Chemistry Institute, Food Science Program, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.,National Institute of Health Quality Control, Fundação Oswaldo Cruz, Rio de Janeiro, Brazil
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15
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Bonnin-Jusserand M, Copin S, Le Bris C, Brauge T, Gay M, Brisabois A, Grard T, Midelet-Bourdin G. Vibrio species involved in seafood-borne outbreaks (Vibrio cholerae, V. parahaemolyticus and V. vulnificus): Review of microbiological versus recent molecular detection methods in seafood products. Crit Rev Food Sci Nutr 2017; 59:597-610. [DOI: 10.1080/10408398.2017.1384715] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Maryse Bonnin-Jusserand
- Univ. Littoral Côte d'Opale, convention ANSES, EA 7394 – ICV – Institut Charles Viollette, Boulogne-sur-Mer, France
- INRA, France
- Univ. Lille, Lille, France
- ISA, Lille, France
- Univ. Artois, Arras, France
| | - Stéphanie Copin
- French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Laboratory for Food Safety, Boulevard du Bassin Napoléon, Boulogne-sur-Mer, France
| | - Cédric Le Bris
- Univ. Littoral Côte d'Opale, convention ANSES, EA 7394 – ICV – Institut Charles Viollette, Boulogne-sur-Mer, France
| | - Thomas Brauge
- French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Laboratory for Food Safety, Boulevard du Bassin Napoléon, Boulogne-sur-Mer, France
| | - Mélanie Gay
- French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Laboratory for Food Safety, Boulevard du Bassin Napoléon, Boulogne-sur-Mer, France
| | - Anne Brisabois
- French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Laboratory for Food Safety, Boulevard du Bassin Napoléon, Boulogne-sur-Mer, France
| | - Thierry Grard
- Univ. Littoral Côte d'Opale, convention ANSES, EA 7394 – ICV – Institut Charles Viollette, Boulogne-sur-Mer, France
| | - Graziella Midelet-Bourdin
- French Agency for Food, Environmental and Occupational Health & Safety (ANSES), Laboratory for Food Safety, Boulevard du Bassin Napoléon, Boulogne-sur-Mer, France
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16
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Liu X, Guan Y, Cheng S, Huang Y, Yan Q, Zhang J, Huang G, Zheng J, Liu T. Development of a highly sensitive lateral immunochromatographic assay for rapid detection of Vibrio parahaemolyticus. J Microbiol Methods 2016; 131:78-84. [DOI: 10.1016/j.mimet.2016.10.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 10/13/2016] [Accepted: 10/14/2016] [Indexed: 11/16/2022]
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17
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Abstract
Seafood is often associated with foodborne illnesses, and Vibrio parahaemolyticus is the most common pathogen implicated in outbreaks in Taiwan. In this study, the microbiological quality of 300 raw or mixed ready-to-eat (RTE) and other cooking-needed seafood samples was examined. The total aerobic and coliform counts of the RTE samples were significantly higher than those of other cooking-needed samples. On average, 55.8 and 29.7% of the RTE samples failed to meet the local microbiological standards for total aerobic (5 log CFU/g) and coliform (3 log most probable number [MPN] per g), counts respectively; the corresponding percentages for the RTE samples from Taipei City were 9.1 and 18.2%, respectively. The total aerobic and coliform counts in the RTE samples from supermarkets and chain restaurants were significantly lower than those from traditional restaurants. The Vibrio species were more frequently identified in the cooking-needed samples than in RTE samples. Low incidences of V. parahaemolyticus (1.4%), V. vulnificus (1.9%), and V. cholerae (0%) were detected in most RTE samples. High densities of V. parahaemolyticus and V. vulnificus (1,200 MPN/g) were detected in a few RTE samples, only one of which contained toxigenic (tdh(+)) V. parahaemolyticus. The results of this investigation reveal that better hygiene of seafood providers such as chain restaurants, supermarkets, and traditional restaurants in Taipei City would effectively improve the microbiological quality of the seafood. The results will facilitate the establishment of measures for controlling the risks associated with seafood in Taiwan.
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Affiliation(s)
- Hin-Chung Wong
- Department of Microbiology, Soochow University, Taipei, Taiwan 111, Republic of China.
| | - Huai-Yu Jiang
- Department of Microbiology, Soochow University, Taipei, Taiwan 111, Republic of China
| | - Hsu-Yang Lin
- Food and Drug Administration, Ministry of Health and Welfare, Taipei, Taiwan 115, Republic of China
| | - Yu-Ting Wang
- Food and Drug Administration, Ministry of Health and Welfare, Taipei, Taiwan 115, Republic of China
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18
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Practical Guidance for Clinical Microbiology Laboratories: Diagnosis of Bacterial Gastroenteritis. Clin Microbiol Rev 2015; 28:3-31. [PMID: 25567220 DOI: 10.1128/cmr.00073-14] [Citation(s) in RCA: 127] [Impact Index Per Article: 14.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Bacterial gastroenteritis is a disease that is pervasive in both the developing and developed worlds. While for the most part bacterial gastroenteritis is self-limiting, identification of an etiological agent by bacterial stool culture is required for the management of patients with severe or prolonged diarrhea, symptoms consistent with invasive disease, or a history that may predict a complicated course of disease. Importantly, characterization of bacterial enteropathogens from stool cultures in clinical laboratories is one of the primary means by which public health officials identify and track outbreaks of bacterial gastroenteritis. This article provides guidance for clinical microbiology laboratories that perform stool cultures. The general characteristics, epidemiology, and clinical manifestations of key bacterial enteropathogens are summarized. Information regarding optimal specimen collection, transport, and processing and current diagnostic tests and testing algorithms is provided. This article is an update of Cumitech 12A (P. H. Gilligan, J. M. Janda, M. A. Karmali, and J. M. Miller, Cumitech 12A, Laboratory diagnosis of bacterial diarrhea, 1992).
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19
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Saito S, Iwade Y, Tokuoka E, Nishio T, Otomo Y, Araki E, Konuma H, Nakagawa H, Tanaka H, Sugiyama K, Hasegawa A, Sugita-Konishi Y, Hara-Kudo Y. Epidemiological Evidence of Lesser Role of Thermostable Direct Hemolysin (TDH)–Related Hemolysin (TRH) Than TDH onVibrio parahaemolyticusPathogenicity. Foodborne Pathog Dis 2015; 12:131-8. [DOI: 10.1089/fpd.2014.1810] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Shioko Saito
- Akita Research Center for Public Health and Environment, Akita, Japan
| | - Yoshito Iwade
- Mie Prefecture Health and Environment Research Institute, Yokkaichi, Japan
| | - Eisuke Tokuoka
- Kumamoto Prefectural Institute of Public Health and Environmental Science, Udo, Japan
| | - Tomohiro Nishio
- Shizuoka Institute of Environment and Hygiene, Shizuoka, Japan
| | | | - Emiko Araki
- Department of Fisheries, School of Marine Science and Technology, Tokai University, Shizuoka, Japan
| | - Hirotaka Konuma
- Department of Fisheries, School of Marine Science and Technology, Tokai University, Shizuoka, Japan
| | | | | | - Kanji Sugiyama
- Shizuoka Institute of Environment and Hygiene, Shizuoka, Japan
| | | | - Yoshiko Sugita-Konishi
- The University of Tokyo, Tokyo, Japan
- Division of Microbiology, National Institute of Health Sciences, Tokyo, Japan
| | - Yukiko Hara-Kudo
- The University of Tokyo, Tokyo, Japan
- Division of Microbiology, National Institute of Health Sciences, Tokyo, Japan
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20
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Raghunath P. Roles of thermostable direct hemolysin (TDH) and TDH-related hemolysin (TRH) in Vibrio parahaemolyticus. Front Microbiol 2015; 5:805. [PMID: 25657643 PMCID: PMC4302984 DOI: 10.3389/fmicb.2014.00805] [Citation(s) in RCA: 118] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2014] [Accepted: 12/30/2014] [Indexed: 01/08/2023] Open
Abstract
Vibrio parahaemolyticus is the leading cause of seafood borne bacterial gastroenteritis in the world, often associated with the consumption of raw or undercooked seafood. However, not all strains of V. parahaemolyticus are pathogenic. The thermostable direct hemolysin (TDH) or TDH-related hemolysin (TRH) encoded by tdh and trh genes, respectively, are considered major virulence factors in V. parahaemolyticus. However, about 10% of clinical strains do not contain tdh and/or trh. Environmental isolates of V. parahaemolyticus lacking tdh and/or trh are also highly cytotoxic to human gastrointestinal cells. Even in the absence of these hemolysins, V. parahaemolyticus remains pathogenic indicating other virulence factors exist. This mini review aims at discussing the possible roles of tdh and trh genes in clinical and environmental isolates of V. parahaemolyticus.
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Affiliation(s)
- Pendru Raghunath
- Department of Microbiology, Dr. VRK Women's Medical College Teaching Hospital and Research Centre Hyderabad, India
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21
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Li Y, Xie X, Shi X, Lin Y, Qiu Y, Mou J, Chen Q, Lu Y, Zhou L, Jiang M, Sun H, Ma H, Cheng J, Hu Q. Vibrio parahaemolyticus, Southern Coastal Region of China, 2007-2012. Emerg Infect Dis 2014; 20:685-8. [PMID: 24655369 PMCID: PMC3966377 DOI: 10.3201/eid2004.130744] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
We analyzed the prevalence and characteristics of Vibrio parahaemolyticus among patients with acute infectious diarrhea in the southern coastal region of China. V. parahaemolyticus was the leading cause of bacterial infectious diarrhea in this region during 2007–2012. Serotype O3:K6 strains were most common, followed by serotypes O4:K8 and O3:K29.
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22
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Letchumanan V, Chan KG, Lee LH. Vibrio parahaemolyticus: a review on the pathogenesis, prevalence, and advance molecular identification techniques. Front Microbiol 2014; 5:705. [PMID: 25566219 PMCID: PMC4263241 DOI: 10.3389/fmicb.2014.00705] [Citation(s) in RCA: 280] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2014] [Accepted: 11/27/2014] [Indexed: 12/13/2022] Open
Abstract
Vibrio parahaemolyticus is a Gram-negative halophilic bacterium that is found in estuarine, marine and coastal environments. V. parahaemolyticus is the leading causal agent of human acute gastroenteritis following the consumption of raw, undercooked, or mishandled marine products. In rare cases, V. parahaemolyticus causes wound infection, ear infection or septicaemia in individuals with pre-existing medical conditions. V. parahaemolyticus has two hemolysins virulence factors that are thermostable direct hemolysin (tdh)-a pore-forming protein that contributes to the invasiveness of the bacterium in humans, and TDH-related hemolysin (trh), which plays a similar role as tdh in the disease pathogenesis. In addition, the bacterium is also encodes for adhesions and type III secretion systems (T3SS1 and T3SS2) to ensure its survival in the environment. This review aims at discussing the V. parahaemolyticus growth and characteristics, pathogenesis, prevalence and advances in molecular identification techniques.
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Affiliation(s)
- Vengadesh Letchumanan
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Bandar Sunway, Malaysia ; Division of Genetics and Molecular Biology, Institute of Biological Sciences, Faculty of Science, University of Malaya Kuala Lumpur, Malaysia
| | - Kok-Gan Chan
- Division of Genetics and Molecular Biology, Institute of Biological Sciences, Faculty of Science, University of Malaya Kuala Lumpur, Malaysia
| | - Learn-Han Lee
- Jeffrey Cheah School of Medicine and Health Sciences, Monash University Bandar Sunway, Malaysia
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23
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HARA-KUDO Y, KUMAGAI S. Impact of seafood regulations for Vibrio parahaemolyticus infection and verification by analyses of seafood contamination and infection. Epidemiol Infect 2014; 142:2237-47. [PMID: 25078437 PMCID: PMC9151258 DOI: 10.1017/s0950268814001897] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 06/13/2014] [Accepted: 07/02/2014] [Indexed: 11/06/2022] Open
Abstract
Consumption of seafood contaminated with Vibrio parahaemolyticus causes foodborne infections, which are on the rise owing to increased consumption of raw seafood in Asia, Europe, North America, and other regions. V. parahaemolyticus infections have been common in Japan since the 1960s. Following an epidemic in 1997, the Japanese Ministry of Health, Labour, and Welfare instituted regulations for seafood in 1999, which appear to be reducing V. parahaemolyticus infections. In this review, we describe the scientific findings for these regulations. Analyses of the V. parahaemolyticus serotypes and isolate characteristics in samples from infected patients and contaminated seafood are discussed. In addition, based on the results of a survey, we show that new food safety regulations have led to improvements in food hygiene at many seafood retail shops, food service facilities, and restaurants. This example from Japan could be of immense help to control foodborne infections in other countries.
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Affiliation(s)
- Y. HARA-KUDO
- Division of Microbiology, National Institute of Health Sciences, Kamiyoga, Setagaya-ku, Tokyo, Japan
| | - S. KUMAGAI
- Food Safety Commission, Akasaka, Minato-ku, Tokyo, Japan
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24
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Pazhani GP, Bhowmik SK, Ghosh S, Guin S, Dutta S, Rajendran K, Saha DR, Nandy RK, Bhattacharya MK, Mukhopadhyay AK, Ramamurthy T. Trends in the epidemiology of pandemic and non-pandemic strains of Vibrio parahaemolyticus isolated from diarrheal patients in Kolkata, India. PLoS Negl Trop Dis 2014; 8:e2815. [PMID: 24786538 PMCID: PMC4006737 DOI: 10.1371/journal.pntd.0002815] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2013] [Accepted: 03/10/2014] [Indexed: 11/19/2022] Open
Abstract
A total of 178 strains of V. parahaemolyticus isolated from 13,607 acute diarrheal patients admitted in the Infectious Diseases Hospital, Kolkata has been examined for serovar prevalence, antimicrobial susceptibility and genetic traits with reference to virulence, and clonal lineages. Clinical symptoms and stool characteristics of V. parahaemolyticus infected patients were analyzed for their specific traits. The frequency of pandemic strains was 68%, as confirmed by group-specific PCR (GS-PCR). However, the prevalence of non-pandemic strains was comparatively low (32%). Serovars O3:K6 (19.7%), O1:K25 (18.5%), O1:KUT (11.2%) were more commonly found and other serovars such as O3:KUT (6.7%), O4:K8 (6.7%), and O2:K3 (4.5%) were newly detected in this region. The virulence gene tdh was most frequently detected in GS-PCR positive strains. There was no association between strain features and stool characteristics or clinical outcomes with reference to serovar, pandemic/non-pandemic or virulence profiles. Ampicillin and streptomycin resistance was constant throughout the study period and the MIC of ampicillin among selected strains ranged from 24 to >256 µg/ml. Susceptibility of these strains to ampicillin increased several fold in the presence of carbonyl cyanide-m-chlorophenyldrazone. The newly reported ESBL encoding gene from VPA0477 was found in all the strains, including the susceptible ones for ampicillin. However, none of the strains exhibited the β-lactamase as a phenotypic marker. In the analysis of pulsed-field gel electrophoresis (PFGE), the pandemic strains formed two different clades, with one containing the newly emerged pandemic strains in this region.
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Affiliation(s)
| | | | - Santanu Ghosh
- National Institute of Cholera and Enteric Diseases, Kolkata, India
| | - Sucharita Guin
- National Institute of Cholera and Enteric Diseases, Kolkata, India
| | - Sanjucta Dutta
- National Institute of Cholera and Enteric Diseases, Kolkata, India
| | | | - Dhira Rani Saha
- National Institute of Cholera and Enteric Diseases, Kolkata, India
| | - Ranjan K. Nandy
- National Institute of Cholera and Enteric Diseases, Kolkata, India
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Kim NO, Cha I, Kim JS, Chung GT, Kang YH, Hong S. The Prevalence and Characteristics of Bacteria Causing Acute Diarrhea in Korea, 2012. ANNALS OF CLINICAL MICROBIOLOGY 2013. [DOI: 10.5145/acm.2013.16.4.174] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Affiliation(s)
- Nan-Ok Kim
- Division of Enteric Diseases, Korea National Institute of Health, KCDC, Cheongwon, Korea
| | - Injun Cha
- Division of Enteric Diseases, Korea National Institute of Health, KCDC, Cheongwon, Korea
| | - Jae-Seok Kim
- Department of Laboratory Medicine, Hallym University College of Medicine, Seoul, Korea
| | - Gyung Tae Chung
- Division of Enteric Diseases, Korea National Institute of Health, KCDC, Cheongwon, Korea
| | - Yeon-Ho Kang
- Division of Enteric Diseases, Korea National Institute of Health, KCDC, Cheongwon, Korea
| | - Sahyun Hong
- Division of Enteric Diseases, Korea National Institute of Health, KCDC, Cheongwon, Korea
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