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Elbarbary NK, Dandrawy MK, Hadad G, Abdelhaseib M, Osman AAA, Alenazy R, Elbagory I, Abdelmotilib NM, Elnoamany F, Ibrahim GA, Gomaa RA. Bacterial Quality and Molecular Detection of Food Poisoning Virulence Genes Isolated from Nasser Lake Fish, Aswan, Egypt. INTERNATIONAL JOURNAL OF FOOD SCIENCE 2024; 2024:6095430. [PMID: 38962099 PMCID: PMC11222005 DOI: 10.1155/2024/6095430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 04/08/2024] [Accepted: 05/30/2024] [Indexed: 07/05/2024]
Abstract
The microbial analysis of fish is critical for ensuring overall health. Uncooked fish can serve as a conduit for transmitting several types of microbes; the current investigation sought to assess the bacterial levels in various kinds of fish from Nasser Lake, Aswan, Egypt, considered the chief source of potable water in Egypt. Two hundred and fifty fish samples, including 50 of each Oreochromis niloticus, Sander lucioperca, Lates niloticus, Clarias gariepinus, and Mormyrus kannume, from Nasser Lake, Aswan, Egypt, were collected to detect the bacterial load, isolation, and identification of Aeromonas hydrophila, Pseudomonas aeruginosa, and Vibrio parahaemolyticus and their virulence genes. The findings revealed that Oreochromis niloticus and Clarias gariepinus exhibited higher bacterial loads than other fish species. Incidences of bacterial contamination among examined fishes were 28.8%, 20.4%, and 16% for Aeromonas hydrophila, Pseudomonas aeruginosa, and Vibrio parahaemolyticus, respectively. Additionally, PCR analysis detected the presence of aerA (60%) and Act (40%) genes in A. hydrophila, rpoB (70%) and LasB (30%) genes in P. aeruginosa, and ToxR (70%) and tdh (50%) genes in V. parahaemolyticus. The study suggested that the bacterial contamination levels in Oreochromis niloticus and Clarias gariepinus could be notably more significant than in other species that could potentially be harmful to the consumers, especially considering the identification of particular bacteria known to cause foodborne illnesses. Further recommendations emphasized that regular monitoring and assessments are required to preserve their quality.
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Affiliation(s)
- Nady Khairy Elbarbary
- Department of Food Hygiene and ControlFaculty of Veterinary MedicineAswan University, Aswan 81528, Egypt
| | - Mohamed K. Dandrawy
- Department of Food Hygiene and ControlFaculty of Veterinary MedicineSouth Valley University, Qena 83522, Egypt
| | - Ghada Hadad
- Department of Animal Hygiene and ZoonosesFaculty of Veterinary MedicineUniversity of Sadat City, Sadat, Egypt
| | - Maha Abdelhaseib
- Department of Food HygieneSafety and TechnologyFaculty of Veterinary MedicineAssiut University, Assiut 71526, Egypt
| | - Amna A. A. Osman
- Department of Food Science and TechnologyFaculty of Agriculture and Natural ResourcesAswan University, Aswan 81528, Egypt
| | - Rawaf Alenazy
- Department of Medical LaboratoryCollege of Applied Medical Sciences-ShaqraShaqra University, Shaqra 11961, Saudi Arabia
| | - Ibrahim Elbagory
- Department of PharmaceuticsFaculty of PharmacyNorthern Border University, Rafhaa 76321, Saudi Arabia
| | - Neveen M. Abdelmotilib
- Department of Food TechnologyArid Lands Cultivation Research Institute (ALCRI)City of Scientific Research and Technological Applications (SRTA-CITY), New Borg El-Arab City 21934, Egypt
| | - Fagelnour Elnoamany
- General Administration for Laboratories AffairsNational Food Safety Authority (NFSA), Cairo, Egypt
| | - Ghada A. Ibrahim
- Department of BacteriologyAgriculture Research Center (ARC)Animal Health Research Institute, Ismailia 41511, Egypt
| | - Reda A. Gomaa
- Department of Food Science and TechnologyFaculty of Agriculture and Natural ResourcesAswan University, Aswan 81528, Egypt
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Nguyen KCT, Truong PH, Thi HT, Ho XT, Nguyen PV. Prevalence, multidrug resistance, and biofilm formation of Vibrio parahaemolyticus isolated from fish mariculture environments in Cat Ba Island, Vietnam. Osong Public Health Res Perspect 2024; 15:56-67. [PMID: 38481050 PMCID: PMC10982652 DOI: 10.24171/j.phrp.2023.0181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 11/23/2023] [Accepted: 12/28/2023] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Vibrio parahaemolyticus is a major foodborne pathogen in aquatic animals and a threat to human health worldwide. This study investigated the prevalence, antimicrobial resistance, antimicrobial resistance genes (ARGs), and biofilm formation of V. parahaemolyticus strains isolated from fish mariculture environments in Cat Ba Island, Vietnam. METHODS In total, 150 rearing water samples were collected from 10 fish mariculture farms in winter and summer. A polymerase chain reaction assay was used to identify V. parahaemolyticus, its virulence factors, and ARGs. The antimicrobial resistance patterns and biofilm formation ability of V. parahaemolyticus strains were investigated using the disk diffusion test and a microtiter plate-based crystal violet method, respectively. RESULTS Thirty-seven V. parahaemolyticus isolates were recovered from 150 samples. The frequencies of the tdh and trh genes among V. parahaemolyticus isolates were 8.1% and 21.6%, respectively. More than 90% of isolates were susceptible to ceftazidime, cefotaxime, and chloramphenicol, but over 72% were resistant to ampicillin, tetracycline, and erythromycin. Furthermore, 67.57% of isolates exhibited multidrug resistance. The presence of ARGs related to gentamicin (aac(3)-IV), tetracycline (tetA) and ciprofloxacin (qnrA) in V. parahaemolyticus isolates was identified. Conversely, no ARGs related to ampicillin or erythromycin resistance were detected. Biofilm formation capacity was detected in significantly more multidrug-resistant isolates (64.9%) than non-multidrug-resistant isolates (18.9%). CONCLUSION Mariculture environments are a potential source of antibiotic-resistant V. parahaemolyticus and a hotspot for virulence genes and ARGs diffusing to aquatic environments. Thus, the prevention of antibiotic-resistant foodborne vibriosis in aquatic animals and humans requires continuous monitoring.
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Affiliation(s)
- Kim Cuc Thi Nguyen
- Institute of Biotechnology, Hue University, Hue, Vietnam
- Faculty of Biotechnology, TNU-University of Sciences, Tan Thinh Ward, Thai Nguyen, Vietnam
- Department of Fisheries, University of Agriculture and Forestry, Hue University, Hue, Vietnam
| | - Phuc Hung Truong
- Institute of Biotechnology, Hue University, Hue, Vietnam
- Faculty of Biotechnology, TNU-University of Sciences, Tan Thinh Ward, Thai Nguyen, Vietnam
- Department of Fisheries, University of Agriculture and Forestry, Hue University, Hue, Vietnam
| | - Hoa Truong Thi
- Institute of Biotechnology, Hue University, Hue, Vietnam
- Faculty of Biotechnology, TNU-University of Sciences, Tan Thinh Ward, Thai Nguyen, Vietnam
- Department of Fisheries, University of Agriculture and Forestry, Hue University, Hue, Vietnam
| | - Xuan Tuy Ho
- Institute of Biotechnology, Hue University, Hue, Vietnam
- Faculty of Biotechnology, TNU-University of Sciences, Tan Thinh Ward, Thai Nguyen, Vietnam
- Department of Fisheries, University of Agriculture and Forestry, Hue University, Hue, Vietnam
| | - Phu Van Nguyen
- Corresponding author: Phu Van Nguyen Institute of Biotechnology, Hue University, Nguyen Dinh Tu Street, Phu Thuong, Hue 530000, Vietnam E-mail:
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El-Zamkan MA, Ahmed AS, Abdelhafeez HH, Mohamed HMA. Molecular characterization of Vibrio species isolated from dairy and water samples. Sci Rep 2023; 13:15368. [PMID: 37717062 PMCID: PMC10505214 DOI: 10.1038/s41598-023-42334-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 09/08/2023] [Indexed: 09/18/2023] Open
Abstract
Vibrio species can cause foodborne infections and lead to serious gastrointestinal illnesses. The purpose of this research was to detect the Vibrio cholerae and Vibrio parahaemolyticus in raw milk, dairy products, and water samples. Also, it investigated the virulence factors, antibiotic resistance and biofilm formation in isolated bacteria. Conventional and molecular approaches were used to identify the isolates in this study. Vibrio species were detected in 5% of the samples. Vibrio cholerae and Vibrio parahaemolyticus were isolated from 1.25 and 1.5%, respectively, of the total samples. Penicillin resistance was detected in all strains of Vibrio cholerae and Vibrio parahaemolyticus, with a MAR index ranging from 0.16 to 0.5. Four isolates were moderate biofilm producer and three of them were MDR. When Vibrio cholerae was screened for virulence genes, ctxAB, hlyA, and tcpA were found in 80, 60, and 80% of isolates, respectively. However, tdh + /trh + associated-virulence genes were found in 33.3% of Vibrio parahaemolyticus isolates.
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Affiliation(s)
- Mona A El-Zamkan
- Department of Food Hygiene and Control (Milk Hygiene), Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt.
| | - Ahmed Shaban Ahmed
- Department of Food Hygiene and Control (Milk Hygiene), Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt
| | - Hanan H Abdelhafeez
- Department of Cell and Tissues, Faculty of Veterinary Medicine, Assiut University, Assiut, 71526, Egypt.
| | - Hams M A Mohamed
- Department of Microbiology, Faculty of Veterinary Medicine, South Valley University, Qena, 83523, Egypt.
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Characterization of Vibrio parahaemolyticus isolated from stool specimens of diarrhea patients in Nantong, Jiangsu, China during 2018–2020. PLoS One 2022; 17:e0273700. [PMID: 36018831 PMCID: PMC9416985 DOI: 10.1371/journal.pone.0273700] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 08/12/2022] [Indexed: 01/22/2023] Open
Abstract
Vibrio parahaemolyticus is the leading cause of acute seafood-associated gastroenteritis worldwide. The aim of this study was to investigate the presence of virulence genes, biofilm formation, motor capacities and antimicrobial resistance profile of V. parahaemolyticus isolates isolated from clinical samples in Nantong during 2018–2020. Sixty-six V. parahaemolyticus strains isolated from stool specimens of diarrheal patients were examined. The PCR results showed that there were two tdh+trh+ isolates, four tdh-trh- isolates and sixty tdh+trh- isolates, accounting for 3.0%, 6.1% and 90.9%, respectively. All the tdh carrying isolates manifested the positive reactions for the Kanagawa phenomenon (KP) test. Most of the isolates harbored at least one of the specific DNA markers of ‘pandemic group’ strains, suggesting that the dominant isolates of V. parahaemolyticus in Nantong might belong to the new O3: K6 or its serovariants. All tdh+ isolates possessed the Vp-PAI genes, but no tdh-trh- isolates carried the T3SS2 genes. All isolates were biofilm producers and had relatively strong motor capacities. In addition, the V. parahaemolyticus isolates were resistant to ampicillin (98.5%), cefuroxime (75.6%), cefepime (66.7%), piperacillin (59.1%) and ampicillin/sulbactam (50.0%), but sensitive to ciprofloxacin (100.0%), levofloxacin (100.0%), trimethoprim-sulfamethoxazole (98.5%), gentamicin (98.5%), amikacin (97%), meropenem (71.2%), and ceftazidime (56.1%). Multidrug-resistant isolates in clinical might be related to the inappropriate use of antimicrobials in aquaculture.
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