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Almejhim M, Aljeldah M, Elhadi N. Improved isolation and detection of toxigenic Vibrio parahaemolyticus from coastal water in Saudi Arabia using immunomagnetic enrichment. PeerJ 2021; 9:e12402. [PMID: 34760388 PMCID: PMC8559605 DOI: 10.7717/peerj.12402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Accepted: 10/07/2021] [Indexed: 11/30/2022] Open
Abstract
Background Vibrio parahaemolyticus is recognized globally as a cause of foodborne gastroenteritis and its widely disseminated in marine and coastal environment throughout the world. The main aim of this study was conducted to investigate the presence of toxigenic V. parahaemolyticus in costal water in the Eastern Province of Saudi Arabia by using immunomagnetic separation (IMS) in combination with chromogenic Vibrio agar medium and PCR targeting toxR gene of species level and virulence genes. Methods A total of 192 seawater samples were collected from five locations and enriched in alkaline peptone water (APW) broth. One-milliliter portion from enriched samples in APW were mixed with an immunomagnetic beads (IMB) coated with specific antibodies against V. parahaemolyticus polyvalent K antisera and separated beads with captured bacteria streaked on thiosulfate citrate bile salts sucrose (TCBS) agar and CHROMagar Vibrio (CaV) medium. Results Of the 192 examined seawater samples, 38 (19.8%) and 44 (22.9%) were positive for V. parahaemolyticus, producing green and mauve colonies on TCBS agar and CaV medium, respectively. Among 120 isolates of V. parahaemolyticus isolated in this study, 3 (2.5%) and 26 (21.7%) isolates of V. parahaemolyticus isolated without and with IMB treatment tested positive for the toxin regulatory (toxR) gene, respectively. Screening of the confirmed toxR gene-positive isolates revealed that 21 (17.5%) and 3 (2.5%) were positive for the thermostable direct hemolysin (tdh) encoding gene in strains isolated with IMB and without IMB treatment, respectively. None of the V. parahaemolyticus strains tested positive for the thermostable related hemolysin (trh) gene. In this study, we found that the CaV medium has no advantage over TCBS agar if IMB concentration treatment is used during secondary enrichment steps of environmental samples. The enterobacterial repetitive intergenic consensus (ERIC)-PCR DNA fingerprinting analysis revealed high genomic diversity, and 18 strains of V. parahaemolyticus were grouped and identified into four identical ERIC clonal group patterns. Conclusions The presented study reports the first detection of tdh producing V. parahaemolyticus in coastal water in the Eastern Province of Saudi Arabia.
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Affiliation(s)
- Mariam Almejhim
- Department of Clinical Laboratory Science, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Mohammed Aljeldah
- Department of Clinical Laboratory Science, College of Applied Medical Sciences, University of Hafr Al-Batin, Hafr Al-Batin, Saudi Arabia
| | - Nasreldin Elhadi
- Department of Clinical Laboratory Science, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
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Pang B, Ding X, Wang G, Zhao C, Xu Y, Fu K, Sun J, Song X, Wu W, Liu Y, Song Q, Hu J, Li J, Mu Y. Rapid and Quantitative Detection of Vibrio parahemolyticus by the Mixed-Dye-Based Loop-Mediated Isothermal Amplification Assay on a Self-Priming Compartmentalization Microfluidic Chip. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:11312-11319. [PMID: 29198118 DOI: 10.1021/acs.jafc.7b03655] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Vibrio parahemolyticus (VP) mostly isolated from aquatic products is one of the major causes of bacterial food-poisoning events worldwide, which could be reduced using a promising on-site detection method. Herein, a rapid and quantitative method for VP detection was developed by applying a mixed-dye-loaded loop-mediated isothermal amplification (LAMP) assay on a self-priming compartmentalization (SPC) microfluidic chip, termed on-chip mixed-dye-based LAMP (CMD-LAMP). In comparison to conventional approaches, CMD-LAMP was advantageous on the limit of detection, which reached down to 1 × 103 CFU/mL in food-contaminated samples without the pre-enrichment of bacteria. Additionally, as a result of the use of a mixed dye and SPC chip, the quantitative result could be easily acquired, avoiding the requirement of sophisticated instruments and tedious operation. Also, CMD-LAMP was rapid and cost-effective. Conclusively, CMD-LAMP has great potential in realizing the on-site quantitative analysis of VP for food safety.
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Affiliation(s)
- Bo Pang
- Department of Hygienic Inspection, School of Public Health, Jilin University , Changchun, Jilin 130021, People's Republic of China
| | - Xiong Ding
- Research Center for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University , Hangzhou, Zhejiang 310058, People's Republic of China
| | - Guoping Wang
- Research Center for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University , Hangzhou, Zhejiang 310058, People's Republic of China
| | - Chao Zhao
- Department of Hygienic Inspection, School of Public Health, Jilin University , Changchun, Jilin 130021, People's Republic of China
| | - Yanan Xu
- Research Center for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University , Hangzhou, Zhejiang 310058, People's Republic of China
| | - Kaiyue Fu
- Department of Hygienic Inspection, School of Public Health, Jilin University , Changchun, Jilin 130021, People's Republic of China
| | - Jingjing Sun
- Research Center for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University , Hangzhou, Zhejiang 310058, People's Republic of China
| | - Xiuling Song
- Department of Hygienic Inspection, School of Public Health, Jilin University , Changchun, Jilin 130021, People's Republic of China
| | - Wenshuai Wu
- Research Center for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University , Hangzhou, Zhejiang 310058, People's Republic of China
| | - Yushen Liu
- Department of Hygienic Inspection, School of Public Health, Jilin University , Changchun, Jilin 130021, People's Republic of China
| | - Qi Song
- Research Center for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University , Hangzhou, Zhejiang 310058, People's Republic of China
| | - Jiumei Hu
- Research Center for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University , Hangzhou, Zhejiang 310058, People's Republic of China
| | - Juan Li
- Department of Hygienic Inspection, School of Public Health, Jilin University , Changchun, Jilin 130021, People's Republic of China
| | - Ying Mu
- Research Center for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University , Hangzhou, Zhejiang 310058, People's Republic of China
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Tangchaikeeree T, Polpanich D, Elaissari A, Jangpatarapongsa K. Magnetic particles for in vitro molecular diagnosis: From sample preparation to integration into microsystems. Colloids Surf B Biointerfaces 2017; 158:1-8. [PMID: 28654866 DOI: 10.1016/j.colsurfb.2017.06.024] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 06/05/2017] [Accepted: 06/19/2017] [Indexed: 12/16/2022]
Abstract
Colloidal magnetic particles (MPs) have been developed in association with molecular diagnosis for several decades. MPs have the great advantage of easy manipulation using a magnet. In nucleic acid detection, these particles can act as a capture support for rapid and simple biomolecule separation. The surfaces of MPs can be modified by coating with various polymer materials to provide functionalization for different applications. The use of MPs enhances the sensitivity and specificity of detection due to the specific activity on the surface of the particles. Practical applications of MPs demonstrate greater efficiency than conventional methods. Beyond traditional detection, MPs have been successfully adopted as a smart carrier in microfluidic and lab-on-a-chip biosensors. The versatility of MPs has enabled their integration into small single detection units. MPs-based biosensors can facilitate rapid and highly sensitive detection of very small amounts of a sample. In this review, the application of MPs to the detection of nucleic acids, from sample preparation to analytical readout systems, is described. State-of-the-art integrated microsystems containing microfluidic and lab-on-a-chip biosensors for the nucleic acid detection are also addressed.
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Affiliation(s)
- Tienrat Tangchaikeeree
- University Lyon-1, CNRS, LAGEP UMR 5007,43 Boulevard du 11 Novembre 1918, 69100, Villeurbanne, France; Center for Research and Innovation, Faculty of Medical Technology, Mahidol University, Bangkok 10700, Thailand
| | - Duangporn Polpanich
- National Nanotechnology Center, National Science and Technology Development Agency (NSTDA),130 Thailand Science Park, Phahonyothin Road, Khlong Luang, Pathum Thani 12120, Thailand
| | - Abdelhamid Elaissari
- University Lyon-1, CNRS, LAGEP UMR 5007,43 Boulevard du 11 Novembre 1918, 69100, Villeurbanne, France
| | - Kulachart Jangpatarapongsa
- Center for Research and Innovation, Faculty of Medical Technology, Mahidol University, Bangkok 10700, Thailand.
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Escalante-Maldonado O, Kayali AY, Yamazaki W, Vuddhakul V, Nakaguchi Y, Nishibuchi M. Improvement of the quantitation method for the tdh (+) Vibrio parahaemolyticus in molluscan shellfish based on most-probable- number, immunomagnetic separation, and loop-mediated isothermal amplification. Front Microbiol 2015; 6:270. [PMID: 25914681 PMCID: PMC4391040 DOI: 10.3389/fmicb.2015.00270] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2015] [Accepted: 03/18/2015] [Indexed: 11/18/2022] Open
Abstract
Vibrio parahaemolyticus is a marine microorganism that can cause seafood-borne gastroenteritis in humans. The infection can be spread and has become a pandemic through the international trade of contaminated seafood. Strains carrying the tdh gene encoding the thermostable direct hemolysin (TDH) and/or the trh gene encoding the TDH-related hemolysin (TRH) are considered to be pathogenic with the former gene being the most frequently found in clinical strains. However, their distribution frequency in environmental isolates is below 1%. Thus, very sensitive methods are required for detection and quantitation of tdh+ strains in seafood. We previously reported a method to detect and quantify tdh+V. parahaemolyticus in seafood. This method consists of three components: the most-probable-number (MPN), the immunomagnetic separation (IMS) targeting all established K antigens, and the loop-mediated isothermal amplification (LAMP) targeting the tdh gene. However, this method faces regional issues in tropical zones of the world. Technicians have difficulties in securing dependable reagents in high-temperature climates where we found MPN underestimation in samples having tdh+ strains as well as other microorganisms present at high concentrations. In the present study, we solved the underestimation problem associated with the salt polymyxin broth enrichment for the MPN component and with the immunomagnetic bead-target association for the IMS component. We also improved the supply and maintenance of the dependable reagents by introducing a dried reagent system to the LAMP component. The modified method is specific, sensitive, quick and easy and applicable regardless of the concentrations of tdh+V. parahaemolyticus. Therefore, we conclude this modified method is useful in world tropical, sub-tropical, and temperate zones.
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Affiliation(s)
| | - Ahmad Y Kayali
- Department of Pathogenic Microbiology, Graduate School of Medicine, Kyoto University Kyoto, Japan
| | - Wataru Yamazaki
- Department of Veterinary Science, Faculty of Agriculture, University of Miyazaki Miyazaki, Japan
| | - Varaporn Vuddhakul
- Department of Microbiology, Faculty of Science, Prince of Songkla University Hat Yai, Thailand
| | - Yoshitsugu Nakaguchi
- Division of Human-Nature Dynamics, Center for Southeast Asian Studies, Kyoto University Kyoto, Japan
| | - Mitsuaki Nishibuchi
- Division of Human-Nature Dynamics, Center for Southeast Asian Studies, Kyoto University Kyoto, Japan
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