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Bhatt S, Raj SMP, Faridi N, Pathak D, Agarwal A, Mishra SP. Development of antibody to virulence factor flagellin and its evaluation in screening Ralstonia pseudosolanacearum. Braz J Microbiol 2024; 55:809-821. [PMID: 38233641 PMCID: PMC10920531 DOI: 10.1007/s42770-023-01235-4] [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: 08/26/2023] [Accepted: 12/26/2023] [Indexed: 01/19/2024] Open
Abstract
The bacterial wilt disease caused by Ralstonia pseudosolanacearum presents a notable economic risk to a variety of crucial crops worldwide. During preliminary isolation of this phytopathogen, several colonies of other saprophytic bacteria may be mistaken with it. So, the present study aims to address this issue by proposing the application of immunogenic proteins, particularly flagellin (FliC), to enable a rapid and early identification of bacterial wilt. In this study, a novel approach is unveiled for the early detection of R. pseudosolanacearum. The study exploits the immunogenic attributes of flagellin (FliC), by generating polyclonal antibodies against recombinant FliC within model organisms-rabbits and mice. The efficacy of these antibodies is meticulously assessed through discerning techniques, including DAS-ELISA and Western blot analyses, which elucidate their remarkable specificity in identifying various R. pseudosolanacearum strains. Furthermore, the introduction of antibody-coated latex agglutinating reagents offers an additional layer of confirmation, substantiating the feasibility of establishing a laboratory-based toolkit for swift screening and unambiguous identification of the bacterial wilt pathogen. This study presents a significant stride toward enhancing early diagnostic capabilities, potentially revolutionizing agricultural practices by safeguarding crop yield and quality through proactive pathogen detection and mitigation strategies.
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Affiliation(s)
- Shalini Bhatt
- P P Savani University, Surat, Gujarat, 394125, India.
- Defence Institute of Bio-Energy Research (DIBER), DRDO, Haldwani, Nainital, Uttarakhand, 263139, India.
| | - S Merwyn P Raj
- Defence Institute of Bio-Energy Research (DIBER), DRDO, Haldwani, Nainital, Uttarakhand, 263139, India
| | - Neha Faridi
- Defence Institute of Bio-Energy Research (DIBER), DRDO, Haldwani, Nainital, Uttarakhand, 263139, India
| | - Dinesh Pathak
- Defence Institute of Bio-Energy Research (DIBER), DRDO, Haldwani, Nainital, Uttarakhand, 263139, India
| | - Ankur Agarwal
- Defence Institute of Bio-Energy Research (DIBER), DRDO, Haldwani, Nainital, Uttarakhand, 263139, India
| | - Shraddha P Mishra
- Defence Institute of Bio-Energy Research (DIBER), DRDO, Haldwani, Nainital, Uttarakhand, 263139, India
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Guo K, Guo W, Liu D, Zhang W, Yang Y, Zhang Z, Li S, Wang J, Chu X, Wang Y, Hu Z, Wang X. Development and application of a competitive ELISA for the detection of antibodies against Salmonella Abortusequi in equids. J Clin Microbiol 2023; 61:e0027323. [PMID: 37874302 PMCID: PMC10662346 DOI: 10.1128/jcm.00273-23] [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: 03/22/2023] [Accepted: 08/26/2023] [Indexed: 10/25/2023] Open
Abstract
The high abortion rate associated with Salmonella Abortusequi (S. Abortusequi) infection in equids has re-emerged over the past 10 years and has caused serious economic losses to China. Our previous studies showed that the flagellin FljB gene could distinguish S. Abortusequi from most Salmonella serotypes. In this study, the flagellin antigen was used to develop a competitive enzyme-linked immunosorbent assay (cELISA) that could be used to detect both horse and donkey serum samples using a monoclonal antibody (MAb) that was found to bind to FljB. A cELISA was established using the purified MAb coating of the plate and incubation of the mixture of horseradish peroxidase (HRP)-conjugated FljB antigen with the undiluted serum sample. The performance of the cELISA and the tube agglutination test (TAT) assay was compared with respect to sensitivity and specificity, by testing a panel containing 660 S. Abortusequi-positive and 515 S. Abortusequi-negative serum samples, all of which had been characterized by Western blotting. Receiver operator characteristic (ROC) analyses were performed to determine the cutoff value and estimate the detection specificity (Sp) and sensitivity (Se). ROC analysis showed that the area under the ROC curve (AUC) values of cELISA [AUC = 0.9941; 95% confidence interval (CI), 0.9898-0.9984] were higher than those of TAT (AUC = 0.7705; 95% Cl, 0.7437-0.7972). A cutoff value of 39.5% was selected with Sp and Se values of 100 (95% Cl, 99.26-100.00) and 97.58 (95% Cl, 96.10-98.50), respectively. The cELISA has excellent futures compared with TAT, such as shortened detection time, no need for pre-treatment of sera, and easy interpretation of the results, and is more suitable for disease surveillance.
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Affiliation(s)
- Kui Guo
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin, China
| | - Wei Guo
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin, China
| | - Diqiu Liu
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin, China
| | - Weiguo Zhang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin, China
| | - Yan Yang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin, China
| | - Zenan Zhang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin, China
| | - Shuaijie Li
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin, China
| | - Jinhui Wang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin, China
| | - Xiaoyu Chu
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin, China
| | - Yaoxin Wang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin, China
| | - Zhe Hu
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin, China
| | - Xiaojun Wang
- State Key Laboratory for Animal Disease Control and Prevention, Harbin Veterinary Research Institute, the Chinese Academy of Agricultural Sciences, Harbin, China
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Lomakina GY, Ugarova NN. Luciola mingrelica firefly luciferase as a marker in bioluminescent immunoassays. Biophys Rev 2023; 15:955-962. [PMID: 37975007 PMCID: PMC10643422 DOI: 10.1007/s12551-023-01115-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Accepted: 08/13/2023] [Indexed: 11/19/2023] Open
Abstract
Chemical modification of the enzymes with biospecific macromolecules is used in various fields of biotechnology to impart new functions or improve their properties and is a fast and convenient way to get the final products. The preparation of highly active, stable, and functionally active conjugates of the thermostable luciferase through the NH2-groups or free SH-groups of the enzyme with target molecules of different molecular weight (albumin, avidin from chicken eggs, antibodies, and progesterone) is described. The obtained conjugates were successfully tested as a reporter in bioluminescent immunoassay for the detection of the molecules and pathogens. Thus, the luc-albumin (Luc-Alb) and luc-insulin (Luc-Ins) conjugates were used in competitive ELISA for the detection of an analyte (albumin or insulin) in the samples. Luc-progesterone (Luc-Pg) was used in the rapid homogeneous immunoassay of progesterone by the BRET technique with the detection limit of 0.5 ng/ml. Luciferase conjugates with avidin (Luc-Avi) and secondary and primary antibodies (Luc-RAM and Luc-Sal) were used for enzyme immunoassay detection of Salmonella paratyphi A cells with the cell detection limit of 5 × 104 CFU/ml. To reduce the detection limit of Salmonella cells, we developed a pseudo-homogeneous bioluminescent enzyme immunoassay of cells using a new matrix for the analyte capture-polystyrene microparticles coated with Pluronic F108, covalently labeled with Sal antibodies. This allowed to achieve efficient trapping of cells from solution, significantly reduced nonspecific sorption and decreased the cell detection limit to 2.7 × 103 CFU/ml without prior concentration of the sample. The methodology that was developed in this study can be applied for the development of novel bioanalytical systems based on firefly luciferases.
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Affiliation(s)
- Galina Yu. Lomakina
- Faculty of Chemistry, Lomonosov Moscow State University, Moscow, Russia
- Bauman Moscow State Technical University, Moscow, Russia
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4
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Borovikov S, Ryskeldina A, Tursunov K, Syzdykova A, Akibekov O. Recombinant Salmonella enterica OmpX protein expression and its potential for serologically diagnosing Salmonella abortion in mares. Vet World 2023; 16:1790-1795. [PMID: 37859952 PMCID: PMC10583879 DOI: 10.14202/vetworld.2023.1790-1795] [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: 04/06/2023] [Accepted: 08/08/2023] [Indexed: 10/21/2023] Open
Abstract
Background and Aim Salmonella abortion in mares is caused by Salmonella enterica subspecies enterica serovar abortus equi infection and is characterized by premature (abortion) or non-viable fetus birth. Although all horses are susceptible to infection, the condition is more often clinically manifested in pregnant mares, with most abortions recorded in young females. In addition, nonspecific clinical disease signs and poorly sensitive and effective bacteriological diagnostic methods hinder rapid and reliable infection diagnoses. Immunochemical methods such as enzyme-linked immunosorbent assay (ELISA) and immunochromatography assays can facilitate effective and rapid diagnoses. However, they require highly specific and active antigens and antibodies. This study aimed to generate a recombinant S. enterica outer membrane protein X (OmpX) and evaluate its suitability for serological diagnosis of Salmonella abortion in mares. Materials and Methods Outer membrane protein X from the S. enterica antigen was synthesized de novo and expressed in Escherichia coli using the pET28 vector. Transformed E. coli cells were cultured under different conditions to detect recombinant OmpX (rOmpX) expression, and rOmpX purification and refolding were both conducted using metal affinity chromatography. Refolded and purified rOmpX was characterized by western blotting, liquid chromatography with tandem mass spectrometry, and ELISA. Results After optimized rOmpX expression, a 23 kDa molecular weight protein was identified. Amino acid sequence analysis using Mascot program suggested that these peptides were the OmpX protein from S. enterica. High specificity and diagnostic efficiency were recorded when rOmpX was used in ELISA against 89 serum samples from aborted and contact mares. Conclusion Recombinant outer membrane protein, in comparison to the O antigen, demonstrated better diagnostic characteristics against sera from mares who aborted and contact horses.
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Affiliation(s)
- Sergey Borovikov
- Department of Microbiology and Biotechnology, Faculty of Veterinary and Animal Husbandry Technology, S. Seifullin Kazakh Agrotechnical Research University, 010000, Astana, Kazakhstan
| | - Anara Ryskeldina
- Department of Veterinary Medicine, Faculty of Veterinary and Animal Husbandry Technology, S. Seifullin Kazakh Agrotechnical Research University, 010000, Astana, Kazakhstan
| | - Kanat Tursunov
- Laboratory of Immunochemistry and Immunobiotechnology, National Center for Biotechnology, 010000, Astana, Kazakhstan
| | - Alfiya Syzdykova
- Research Platform of Agricultural Biotechnology, S. Seifullin Kazakh Agrotechnical Research University, 010011, Astana, Kazakhstan
| | - Orken Akibekov
- Department of Microbiology and Biotechnology, Faculty of Veterinary and Animal Husbandry Technology, S. Seifullin Kazakh Agrotechnical Research University, 010000, Astana, Kazakhstan
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5
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Hou S, Wang S, Zhao X, Li W, Gao J, Wang Y, Zhang R, Gong L, Jiang S, Zhu Y. Establishment of indirect ELISA method for Salmonella antibody detection from ducks based on PagN protein. BMC Vet Res 2022; 18:424. [PMID: 36471338 PMCID: PMC9721058 DOI: 10.1186/s12917-022-03519-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Accepted: 11/15/2022] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Salmonella as an important food-borne zoonotic bacterial pathogen, infection in ducks is a recessive infection, however, it can also cause high mortality and threat to food safety. Preventing and controlling the infection and transmission of Salmonella in ducks critically require rapid and sensitive detection method. Full-length Salmonella-specific protein PagN was induced and expressed in E.coil BL21 and was purified as an antigen to establish an indirect enzyme-linked immunosorbent assays (iELSA) detection kit. RESULTS The recombinant PagN protein has a molecular weight of 43 kDa containing a His-tag, was recognized by an anti-Salmonella positive serum by Western blot assay. The optimal concentration of PagN as a coating antigen in the iELISA was 1 μg/mL, and the optimal dilution of enzyme-labeled secondary antibody was 1:4000 (0.025 μg/mL). The cutoff OD450 value was established at 0.268. The iELISA kit showed high selectivity since no cross-reaction with E. coli, Staphylococcus aureus and Streptococcus was observed. iELISA method and Dot-blot test were performed on 100 clinical sera samples collected from duck farms, and the actual coincidence rate was 89% (89/100). 613 duck serum samples from 3 different farms were tested using established method and commercial ELISA kit. The concordance between the two methods was 94.1%. CONCLUSION Anti-PagN based iELISA can serve as a useful tool for diagnosis of Salmonella infection.
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Affiliation(s)
- Shaopeng Hou
- grid.440622.60000 0000 9482 4676Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, 271018 China
| | - Shuyang Wang
- grid.440622.60000 0000 9482 4676Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, 271018 China
| | - Xinyuan Zhao
- grid.440622.60000 0000 9482 4676Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, 271018 China
| | - Wei Li
- grid.440622.60000 0000 9482 4676Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, 271018 China
| | - Jing Gao
- grid.440622.60000 0000 9482 4676Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, 271018 China
| | - Yanjun Wang
- grid.440622.60000 0000 9482 4676Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, 271018 China
| | - Ruihua Zhang
- grid.440622.60000 0000 9482 4676Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, 271018 China
| | - Lingling Gong
- Shandong Provincial Quality Inspection Center of Animal Feed and Veterinary Medicine, Jinan, 250010 China
| | - Shijin Jiang
- grid.440622.60000 0000 9482 4676Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, 271018 China
| | - Yanli Zhu
- grid.440622.60000 0000 9482 4676Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Department of Preventive Veterinary Medicine, College of Veterinary Medicine, Shandong Agricultural University, Taian, 271018 China
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Sun Q, Liu X, Tang H, Qian Y, Gu H, He H. A Sandwich‐type Electrochemical Immunosensor for the Sensitive Determination of
Salmonella
Typhimurium in Food. ELECTROANAL 2022. [DOI: 10.1002/elan.202100561] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Qiaoling Sun
- School of Public Health Nantong University 226019 Nantong P. R. China
| | - Xiaojun Liu
- Jiangyin Center for Disease Control and Prevention 214431 Wuxi P. R. China
| | - Haowen Tang
- School of Public Health Nantong University 226019 Nantong P. R. China
| | - Yuying Qian
- School of Public Health Nantong University 226019 Nantong P. R. China
| | - Haiying Gu
- School of Public Health Nantong University 226019 Nantong P. R. China
| | - Hong He
- Affiliated Hospital Nantong University 226001 Nantong P. R. China
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Saeed MA, Syed EH, Ghafor A, Yaqub T, Javeed A, Waheed U. Evaluation of Analytical Sensitivity of Sdf I based PCR and Sandwich ELISA for Salmonella Enteritidis detection and On-Farm prevalence in Punjab, Pakistan. BRAZILIAN JOURNAL OF POULTRY SCIENCE 2022. [DOI: 10.1590/1806-9061-2021-1492] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- MA Saeed
- University of Veterinary and Animal Sciences, Pakistan
| | - EH Syed
- University of Veterinary and Animal Sciences, Pakistan
| | - A Ghafor
- University of Veterinary and Animal Sciences, Pakistan
| | - T Yaqub
- University of Veterinary and Animal Sciences, Pakistan
| | - A Javeed
- University of Veterinary and Animal Sciences, Pakistan
| | - U Waheed
- University of Veterinary and Animal Sciences, Pakistan
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Poorhassan F, Nemati F, Saffarian P, Mirhosseini SA, Motamedi MJ. Design of a chitosan-based nano vaccine against epsilon toxin of Clostridium perfringens type D and evaluation of its immunogenicity in BALB/c mice. Res Pharm Sci 2021; 16:575-585. [PMID: 34760006 PMCID: PMC8562408 DOI: 10.4103/1735-5362.327504] [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: 09/22/2020] [Revised: 03/03/2021] [Accepted: 09/26/2021] [Indexed: 11/04/2022] Open
Abstract
Background and purpose Clostridium perfringens is an anaerobic, spore-forming, and pathogenic bacterium that causes intestinal diseases in humans and animals. In these cases, therapeutic intervention is challenging; because the disease progresses much rapidly. This bacterium can produce 5 main toxins (alpha, beta, epsilon, iota, and a type of enterotoxin) among which the epsilon toxin (ETX) is used for bioterrorism. This toxin can be prevented by immunization with specific immunogenic vaccines. In the present research, we aimed at developing a recombinant chitosan-based nano-vaccine against ETX of C. perfringens and evaluate its effects on the antibody titration against epsilon toxin in BALB/c mice as the vaccine model. Experimental approach The etx gene from C. perfringens type D was cloned and expressed in E. coli. After analysis by SDS-PAGE and western blotting, the expressed products were purified, and the obtained proteins were used for immunization in mice as a chitosan nanoparticle containing recombinant, purified ETX, and protein. Findings/Results The results of ELISA showed that IgA antibody serum level increased sufficiently using recombinant protein with nanoparticle as an oral and injectable formulation. IgG antibody titers increased significantly after administrating the recombinant proteins with nanoparticles through both oral delivery and intravenous injection. Conclusion and implication In conclusion, the recombinant ETX is suggested as a good candidate for vaccine production against diseases caused by ETX of C. perfringens type D.
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Affiliation(s)
- Farnaz Poorhassan
- Department of Biology, School of Basic Sciences, Science and Research Branch, Islamic Azad University, Tehran, I.R. Iran
| | - Fahimeh Nemati
- Department of Biotechnology, Faculty of Advanced Science and Technology, Tehran Medical Sciences, Islamic Azad University, Tehran, I.R. Iran
| | - Parvaneh Saffarian
- Department of Biology, School of Basic Sciences, Science and Research Branch, Islamic Azad University, Tehran, I.R. Iran
| | - Seyed Ali Mirhosseini
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, I.R. Iran
| | - Mohammad Javad Motamedi
- Molecular Biology Department, Green Gene Company, Tehran, I.R. Iran.,Department of Molecular Biology and Genetic Engineering, Stem Cell Technology Research Center, Tehran, I.R. Iran
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Diaz D, Hernandez-Carreño PE, Velazquez DZ, Chaidez-Ibarra MA, Montero-Pardo A, Martinez-Villa FA, Canizalez-Roman A, Ortiz-Navarrete VF, Rosiles R, Gaxiola SM, Jimenez-Trejo F. Prevalence, main serovars and anti-microbial resistance profiles of non-typhoidal Salmonella in poultry samples from the Americas: A systematic review and meta-analysis. Transbound Emerg Dis 2021; 69:2544-2558. [PMID: 34724337 DOI: 10.1111/tbed.14362] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/26/2021] [Accepted: 10/03/2021] [Indexed: 01/14/2023]
Abstract
Poultry and poultry-derived products such as meat and eggs are among the main sources of non-typhoidal Salmonella (NTS) transmission to humans. Therefore, we performed a systematic review and used random-effects meta-analyses to (1) estimate the prevalence of NTS in poultry samples from birds, products and subproducts and environmental samples, (2) examine the diversity and frequency of their serovars and (3) estimate the prevalence and profiles of anti-microbial resistance (AMR) in NTS isolates reported in studies from the Americas. We included 157 studies from 15 countries comprising 261,408 poultry samples and estimated an overall pooled prevalence of 17.9% (95% Confidence Interval: 10.8-26.3) in birds, 21.8% (17.7-26.1) in products and subproducts and 29.5% (24.2-35.1) in environmental samples. At the national level, the prevalence of NTS was heterogeneous across countries with the highest values in Mexico, the United States and Canada. In total, 131 serovars were identified from 13,388 isolates; Heidelberg, Kentucky, Enteritidis and Typhimurium were the most prevalent in the overall top 10 ranking (range 6.5%-20.8%). At the national level, Enteritidis and Typhimurium were identified in most of the countries, though with national differences in their ranks. The prevalence of AMR increased from 24.1% for 1 antibiotic to 36.2% for 2-3 antibiotics and 49.6% for ≥ 4 antibiotics. Kentucky, Heidelberg, Typhimurium and Enteritidis were the serovars with the highest prevalence of AMR. Besides, tetracycline, ampicillin, streptomycin, ceftiofur and amoxicillin-clavulanic acid were the most frequent antibiotics to which NTS showed resistance. In conclusion, NTS was distributed through the avian production chain with high and heterogeneous values of prevalence in poultry samples. Besides, there were distinctive patterns of serovars distribution across countries and an alarming prevalence of AMR among zoonotic serovars.
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Affiliation(s)
- Daniel Diaz
- Centro de Ciencias de la Complejidad (C3), Universidad Nacional Autónoma de México, Ciudad de México, México.,Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Sinaloa, Culiacán Rosales, Sinaloa, México
| | | | - Diana Zuleika Velazquez
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Sinaloa, Culiacán Rosales, Sinaloa, México
| | - Miguel Angel Chaidez-Ibarra
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Sinaloa, Culiacán Rosales, Sinaloa, México
| | - Arnulfo Montero-Pardo
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Sinaloa, Culiacán Rosales, Sinaloa, México
| | | | - Adrian Canizalez-Roman
- Centro de Investigación Aplicada a la Salud Pública (CIASaP), Facultad de Medicina, Universidad Autónoma de Sinaloa, Culiacán Rosales, Sinaloa, México
| | | | - Rene Rosiles
- Departamento de Nutrición Animal y Bioquímica, Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autónoma de México, Ciudad de México, México
| | - Soila Maribel Gaxiola
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma de Sinaloa, Culiacán Rosales, Sinaloa, México
| | - Francisco Jimenez-Trejo
- Laboratorio de Morfología Celular y Tisular, Instituto Nacional de Pediatría, Ciudad de México, México
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10
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Lian F, Wang D, Yao S, Ge L, Wang Y, Zhao Y, Zhao J, Song X, Zhao C, Li J, Liu Y, Jin M, Xu K. A detection method of Escherichia coli O157:H7 based on immunomagnetic separation and aptamers-gold nanoparticle probe quenching Rhodamine B's fluorescence: Escherichia coli O157:H7 detection method based on IMS and Apt-AuNPs probe quenching Rho B' s fluorescence. Food Sci Biotechnol 2021; 30:1129-1138. [PMID: 34471566 PMCID: PMC8364604 DOI: 10.1007/s10068-021-00947-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 06/17/2021] [Accepted: 07/05/2021] [Indexed: 12/18/2022] Open
Abstract
This research aimed to detect Escherichia coli O157:H7 in milk based on immunomagnetic probe separation technology and quenching effect of gold nanoparticles to Rhodamine B. Streptavidin-modified magnetic beads (MBs) were combined with biotin-modified antibodies to capture E. coli O157:H7 specifically. Gold nanoparticle (AuNPs) was incubated with sulfhydryl-modified aptamers (SH-Aptamers) to obtain the Aptamers-AuNPs probe. After magnetic beads captured target bacteria and formed a sandwich structure with the gold nanoprobe, Rhodamine B was added into complex to obtain fluorescent signal changes. Our results demonstrated that the established method could detect E. coli O157:H7 in the range of 101-107 CFU/mL, and the limit of detection (LOD) was 0.35 CFU/mL in TBST buffer (pH = 7.4). In milk simulation samples, the LOD of this method was 1.03 CFU/mL. Our research provides a promising approach on the detection of E. coli O157:H7.
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Affiliation(s)
- Fengnan Lian
- School of Public Health, Jilin University, 130021 Changchun, China
- Jilin Engineering Research Center of Public Health Detection, 130021 Changchun, China
| | - Dan Wang
- School of Public Health, Jilin University, 130021 Changchun, China
- Jilin Engineering Research Center of Public Health Detection, 130021 Changchun, China
| | - Shuo Yao
- School of Public Health, Jilin University, 130021 Changchun, China
- Jilin Engineering Research Center of Public Health Detection, 130021 Changchun, China
| | - Lirui Ge
- School of Public Health, Jilin University, 130021 Changchun, China
- Jilin Engineering Research Center of Public Health Detection, 130021 Changchun, China
| | - Yue Wang
- School of Public Health, Jilin University, 130021 Changchun, China
- Jilin Engineering Research Center of Public Health Detection, 130021 Changchun, China
| | - Yuyi Zhao
- School of Public Health, Jilin University, 130021 Changchun, China
- Jilin Engineering Research Center of Public Health Detection, 130021 Changchun, China
| | - Jinbin Zhao
- School of Public Health, Jilin University, 130021 Changchun, China
- Jilin Engineering Research Center of Public Health Detection, 130021 Changchun, China
| | - Xiuling Song
- School of Public Health, Jilin University, 130021 Changchun, China
- Jilin Engineering Research Center of Public Health Detection, 130021 Changchun, China
| | - Chao Zhao
- School of Public Health, Jilin University, 130021 Changchun, China
- Jilin Engineering Research Center of Public Health Detection, 130021 Changchun, China
| | - Jinhua Li
- School of Public Health, Jilin University, 130021 Changchun, China
- Jilin Engineering Research Center of Public Health Detection, 130021 Changchun, China
| | - Yajuan Liu
- School of Public Health, Jilin University, 130021 Changchun, China
- Jilin Engineering Research Center of Public Health Detection, 130021 Changchun, China
| | - Minghua Jin
- School of Public Health, Jilin University, 130021 Changchun, China
- Jilin Engineering Research Center of Public Health Detection, 130021 Changchun, China
| | - Kun Xu
- School of Public Health, Jilin University, 130021 Changchun, China
- Jilin Engineering Research Center of Public Health Detection, 130021 Changchun, China
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11
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Impedimetric Biosensor Based on a Hechtia argentea Lectin for the Detection of Salmonella spp. CHEMOSENSORS 2020. [DOI: 10.3390/chemosensors8040115] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
A sensitive electrochemical detection method for Salmonella spp. was described, based on the use of Hechtia argentea lectin immobilised on a screen-printed gold electrode. The lectin was extracted from Hechtia argentea, a plant belonging to the Bromeliaceae family. The lectin with molecular weight near 27.4 kDa showed selectivity towards D-mannose, contained on the lipopolysaccharide cell wall of Salmonella spp. Carbohydrate selectivity of the lectin was measured as a change in impedance with respect to concentration. The binding of the bacteria to the biosensor surface increased impedance with increasing concentrations of Salmonella spp., achieving a linear range of detection of 15–2.57 × 107 CFU mL−1, with a limit of detection of 5 CFU mL−1. Increases in impedance were measured using electrochemical impedance spectroscopy and analysed using Nyquist plots. The biosensor was applied in analysis of hen egg samples, and the results were consistent with those obtained using the official analysis methodology.
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12
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Jamal RB, Shipovskov S, Ferapontova EE. Electrochemical Immuno- and Aptamer-Based Assays for Bacteria: Pros and Cons over Traditional Detection Schemes. SENSORS (BASEL, SWITZERLAND) 2020; 20:E5561. [PMID: 32998409 PMCID: PMC7582323 DOI: 10.3390/s20195561] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 09/15/2020] [Accepted: 09/23/2020] [Indexed: 01/20/2023]
Abstract
Microbiological safety of the human environment and health needs advanced monitoring tools both for the specific detection of bacteria in complex biological matrices, often in the presence of excessive amounts of other bacterial species, and for bacteria quantification at a single cell level. Here, we discuss the existing electrochemical approaches for bacterial analysis that are based on the biospecific recognition of whole bacterial cells. Perspectives of such assays applications as emergency-use biosensors for quick analysis of trace levels of bacteria by minimally trained personnel are argued.
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Affiliation(s)
| | | | - Elena E. Ferapontova
- Interdisciplinary Nanoscience Center (iNANO), Aarhus University Gustav Wieds Vej 14, DK-8000 Aarhus, Denmark; (R.B.J.); (S.S.)
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13
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Wang D, Lian F, Yao S, Liu Y, Wang J, Song X, Ge L, Wang Y, Zhao Y, Zhang J, Zhao C, Xu K. Simultaneous Detection of Three Foodborne Pathogens Based on Immunomagnetic Nanoparticles and Fluorescent Quantum Dots. ACS OMEGA 2020; 5:23070-23080. [PMID: 32954157 PMCID: PMC7495797 DOI: 10.1021/acsomega.0c02833] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 08/21/2020] [Indexed: 06/11/2023]
Abstract
This paper presents a peptide-mediated immunomagnetic separation technique and an immunofluorescence quantum dot technique for simultaneous and rapid detection of Escherichia coli O157:H7, Staphylococcus aureus, and Vibrio parahaemolyticus. First, three peptides that can specifically recognize the three foodborne pathogens were combined with magnetic nanoparticles to form an immunomagnetic nanoparticle probe for capturing three kinds of target bacteria and then added three quantum dot probes (quantum dots-aptamer), which formed a sandwich composite structure. When the three quantum dot probes specifically combined with the three pathogenic bacteria, the remaining fluorescent signal in the supernatant will be reduced by magnetic separation. Therefore, the remaining fluorescent signal in the supernatant can be measured with a fluorescence spectrophotometer to indirectly determine the three pathogens in the sample. The linear range of the method was 10-107 cfu/mL, and in the buffer, the detection limits of E. coli O157:H7, S. aureus, and V. parahaemolyticus were 2.460, 5.407, and 3.770 cfu/mL, respectively. In the tap water simulation, the detection limits of E. coli O157:H7, S. aureus, and V. parahaemolyticus were 2.730, 1.990 × 101, and 4.480 cfu/mL, respectively. In the milk simulation sample, the detection limits of E. coli O157:H7, S. aureus, and V. parahaemolyticus were 6.660, 1.070 × 101, and 2.236 × 101 cfu/mL, respectively. The method we presented can detect three kinds of foodborne pathogens at the same time, and the entire experimental process did not exceed 4 h. It has high sensitivity and low detection limit and may be used in the sample detection of other pathogens.
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Affiliation(s)
- Dan Wang
- School
of Public Health, Jilin University, Changchun 130021, China
- Public
Health Detection Engineering Research Center of Jilin Province, Changchun 130021, China
| | - Fengnan Lian
- School
of Public Health, Jilin University, Changchun 130021, China
- Public
Health Detection Engineering Research Center of Jilin Province, Changchun 130021, China
| | - Shuo Yao
- School
of Public Health, Jilin University, Changchun 130021, China
- Public
Health Detection Engineering Research Center of Jilin Province, Changchun 130021, China
| | - Yi Liu
- School
of Public Health, Jilin University, Changchun 130021, China
- Public
Health Detection Engineering Research Center of Jilin Province, Changchun 130021, China
| | - Jinpeng Wang
- Department
of Cardiology, The Second Hospital of Jilin
University, Changchun 130041, China
| | - Xiuling Song
- School
of Public Health, Jilin University, Changchun 130021, China
- Public
Health Detection Engineering Research Center of Jilin Province, Changchun 130021, China
| | - Lirui Ge
- School
of Public Health, Jilin University, Changchun 130021, China
- Public
Health Detection Engineering Research Center of Jilin Province, Changchun 130021, China
| | - Yue Wang
- School
of Public Health, Jilin University, Changchun 130021, China
- Public
Health Detection Engineering Research Center of Jilin Province, Changchun 130021, China
| | - Yuyi Zhao
- School
of Public Health, Jilin University, Changchun 130021, China
- Public
Health Detection Engineering Research Center of Jilin Province, Changchun 130021, China
| | - Jiamei Zhang
- School
of Public Health, Jilin University, Changchun 130021, China
- Public
Health Detection Engineering Research Center of Jilin Province, Changchun 130021, China
| | - Chao Zhao
- School
of Public Health, Jilin University, Changchun 130021, China
- Public
Health Detection Engineering Research Center of Jilin Province, Changchun 130021, China
| | - Kun Xu
- School
of Public Health, Jilin University, Changchun 130021, China
- Public
Health Detection Engineering Research Center of Jilin Province, Changchun 130021, China
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14
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Yao L, Zheng L, Cai G, Wang S, Wang L, Lin J. A Rapid and Sensitive Salmonella Biosensor Based on Viscoelastic Inertial Microfluidics. SENSORS 2020; 20:s20092738. [PMID: 32403342 PMCID: PMC7248794 DOI: 10.3390/s20092738] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 05/08/2020] [Accepted: 05/09/2020] [Indexed: 01/03/2023]
Abstract
Salmonella is a main cause of foodborne illnesses and rapid screening of Salmonella is the key to prevent Salmonella outbreaks, however available detection methods either require a long time, or need complex pretreatment, or have low sensitivity. In this study, a microfluidic biosensor was developed for Salmonella detection using viscoelastic inertial microfluidics for separating magnetic bacteria from unbound magnetic nanoparticles (MNPs) and enzyme catalytic colorimetry for amplifying biological signals. The polyclonal antibodies and horseradish peroxidase (HRP) modified MNPs were first used to specifically capture Salmonella to form magnetic HRP-bacteria. Both magnetic HRP-bacteria and unbound MNPs were magnetically separated from background and resuspended in viscoelastic polyvinylpyrrolidone solution as sample flow. When sample flow was injected with polyvinylpyrrolidone sheath flow into a T-shaped microchannel, larger-sized magnetic HRP-bacteria could penetrate the sample flow, however smaller-sized MNPs remained in the sample flow due to weaker inertial lift force and elastic lift force, resulting in continuous-flow separation of magnetic HRP-bacteria. Finally, magnetic HRP-bacteria were collected and concentrated to catalyze tetramethyl benzidine, and absorbance was measured to determine the bacteria. This biosensor was able to detect Salmonella as low as 30 CFU/mL in 1 h and featured the advantages of shorter time due to a one-step immunoreaction, easier extension due to only one antibody and one label, and lower cost due to less expensive materials.
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15
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Tang F, Chen Z, Wang F, Hou H, Liu W, Xiao H, Hu J, Xiong Y, Zhang H, Chen Z, Peng H, Lu J, Luo W, Zhao Y, Lin M. Optimization of an efficient solid-phase enrichment medium for Salmonella detection using response surface methodology. AMB Express 2019; 9:97. [PMID: 31254206 PMCID: PMC6598893 DOI: 10.1186/s13568-019-0819-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Accepted: 06/18/2019] [Indexed: 11/10/2022] Open
Abstract
Salmonella is a pathogenic bacterium contributing to food poisoning and acute infectious intestinal disease. The traditional standard detection method is based on the principle of liquid phase enrichment and has a low sensitivity on targeted bacteria. We previously developed a visual immunosensor technique for efficient detection and isolation of Salmonella by applying fluorescent nanobioprobes on a specially-designed cellulose-based swab. In this study, a whole-sample solid-phase enrichment assay (WSEA) was established by optimization of the enrichment medium using response surface methodology (RSM), a powerful statistical tool for regression analysis. The optimal formula was determined as: 0.60% polyvalent poly peptone, 0.40% buffered peptone water, 0.09% ferric citrate amine, 0.24% sodium hyposulfite, 0.035% cystine, 0.01 µg mL−1 super absorbing polymer, 0.011% sodium deoxycholate, 15.00 µg mL−1 ethyl green and 30.00 µg mL−1 sodium selenite. Using this formula, Salmonella was visualized with naked eyes by relying on the indication of black spots formed on the swab. The analytic sensitivity of the assay was determined as 101 cells mL−1 with a concentration of interfering bacteria (Escherichia coli) at 105 cells mL−1. This optimized formula was confirmed with 4006 patients’ fecal samples, in which the positive rate was 0.42% by the conventional culture-based method and 2.12% by WSEA. The optimized formulation on solid phase enrichment by RSM allows relatively quick, low-cost, and large-scale detection of Salmonella, and could be used in grassroots medical institutions.
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16
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Zhang B, Bai P, Zhao X, Yu Y, Zhang X, Li D, Liu C. Increased growth rate and amikacin resistance of Salmonella enteritidis after one-month spaceflight on China's Shenzhou-11 spacecraft. Microbiologyopen 2019; 8:e00833. [PMID: 30912318 PMCID: PMC6741137 DOI: 10.1002/mbo3.833] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 02/12/2019] [Accepted: 02/14/2019] [Indexed: 12/30/2022] Open
Abstract
China launched the Tiangong-2 space laboratory in 2016 and will eventually build a basic space station by the early 2020s. These spaceflight missions require astronauts to stay on the space station for more than 6 months, and they inevitably carry microbes into the space environment. It is known that the space environment affects microbial behavior, including growth rate, biofilm formation, virulence, drug resistance, and metabolism. However, the mechanisms of these alternations have not been fully elucidated. Therefore, it is beneficial to monitor microorganisms for preventing infections among astronauts in a space environment. Salmonella enteritidis is a Gram-negative bacterial pathogen that commonly causes acute gastroenteritis in humans. In this study, to better understand the effects of the space environment on S. enteritidis, a S. enteritidis strain was taken into space by the Shenzhou-11 spacecraft from 17 October 2016 to 18 November 2016, and a ground simulation with similar temperature conditions was simultaneously performed as a control. It was found that the flight strain displayed an increased growth rate, enhanced amikacin resistance, and some metabolism alterations compared with the ground strain. Enrichment analysis of proteome revealed that the increased growth rate might be associated with differentially expressed proteins involved in transmembrane transport and energy production and conversion assembly. A combined transcriptome and proteome analysis showed that the amikacin resistance was due to the downregulation of the oppA gene and oligopeptide transporter protein OppA. In conclusion, this study is the first systematic analysis of the phenotypic, genomic, transcriptomic, and proteomic variations in S. enteritidis during spaceflight and will provide beneficial insights for future studies on space microbiology.
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Affiliation(s)
- Bin Zhang
- Nankai University School of Medicine, Tianjin, China.,Respiratory Diseases Department, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Po Bai
- Respiratory Diseases Department, The Second Medical Center of Chinese PLA General Hospital, Beijing, China.,Respiratory Diseases Department, PLA Rocket Force Characteristic Medical Center, Beijing, China
| | - Xian Zhao
- Respiratory Diseases Department, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yi Yu
- Respiratory Diseases Department, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Xuelin Zhang
- Respiratory Diseases Department, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Diangeng Li
- Respiratory Diseases Department, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Changting Liu
- Nankai University School of Medicine, Tianjin, China.,Respiratory Diseases Department, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
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17
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Introducing a cost-effective method for purification of bioactive flagellin from several flagellated gram-negative bacteria. Protein Expr Purif 2019; 155:48-53. [DOI: 10.1016/j.pep.2018.11.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 11/18/2018] [Accepted: 11/18/2018] [Indexed: 12/18/2022]
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18
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Li Q, Zhu Y, Yin K, Xu L, Yin C, Li Y, Ren J, Yuan Y, Jiao X. Purification of recombinant IpaJ to develop an indirect ELISA-based method for detecting Salmonella enterica serovar Pullorum infections in chickens. BMC Vet Res 2019; 15:3. [PMID: 30606183 PMCID: PMC6318851 DOI: 10.1186/s12917-018-1753-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2018] [Accepted: 12/19/2018] [Indexed: 11/10/2022] Open
Abstract
Background Salmonella enterica serovar Pullorum is a host-restricted serotype causing infection in poultry. The pathogen can not only cause acute infection in young chicks with high mortality and morbidity, but also persist in adult chickens without evident clinical symptoms and lead to vertical transmission. To eradicate S. Pullorum in poultry farms, it is necessary to establish an efficient method to monitor the prevalence of the pathogen in adult chickens. The protein IpaJ is a specific immunogen in S. Pullorum and is not detected in closely related serotypes, such as S. Gallinarum and S. Enteritidis. Results In the present study, IpaJ was expressed as a recombinant fusion protein MBP-IpaJ in E. coli. The purified MBP-IpaJ was used as a coating antigen to develop an indirect ELISA assay, which was applied to the detection of S. Pullorum infection in chickens. The indirect ELISA assay demonstrated that antibodies produced against IpaJ were detectable in antisera of chickens infected with S. Pullorum in the second week, stably increased until the tenth week, and persisted at a high level in the following two weeks. Furthermore, the ELISA method detected four positive samples out of 200 clinical antiserum samples collected from a poultry farm, and the positive samples were confirmed to be reacted with S. Pullorum using the standard plate agglutination test. Conclusions The established indirect ELISA using the IpaJ protein is a novel method for specific detection of S. Pullorum infection, and contribute to eradication of pullorum disease in the poultry industry. Electronic supplementary material The online version of this article (10.1186/s12917-018-1753-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Qiuchun Li
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agri-food Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, China. .,Jiangsu Key Laboratory of Zoonosis/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China. .,Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China.
| | - Yue Zhu
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agri-food Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Zoonosis/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China
| | - Kequan Yin
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agri-food Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Zoonosis/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China
| | - Lijuan Xu
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agri-food Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Zoonosis/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China
| | - Chao Yin
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agri-food Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China
| | - Yang Li
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agri-food Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Zoonosis/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China
| | - Jingwei Ren
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agri-food Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, China.,Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China
| | - Yu Yuan
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agri-food Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, China.,Jiangsu Key Laboratory of Zoonosis/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China
| | - Xinan Jiao
- Key Laboratory of Prevention and Control of Biological Hazard Factors (Animal Origin) for Agri-food Safety and Quality, Ministry of Agriculture of China, Yangzhou University, Yangzhou, China. .,Jiangsu Key Laboratory of Zoonosis/Jiangsu Co-Innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou, China. .,Joint International Research Laboratory of Agriculture and Agri-Product Safety of Ministry of Education of China, Yangzhou University, Yangzhou, China.
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19
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Chen ZG, Zhong HX, Luo H, Zhang RY, Huang JR. Recombinase Polymerase Amplification Combined with Unmodified Gold Nanoparticles for Salmonella Detection in Milk. FOOD ANAL METHOD 2018. [DOI: 10.1007/s12161-018-1351-6] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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20
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Duan ML, Huang YM, Wu SS, Li GQ, Wang SY, Chen MH, Wang C, Liu DF, Liu CW, Lai WH. Rapid and sensitive detection of Salmonella enteritidis by a pre-concentrated immunochromatographic assay in a large-volume sample system. RSC Adv 2017. [DOI: 10.1039/c7ra11006e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A pre-concentrated immunochromatographic assay for Salmonella enteritidis (S. enteritidis) detection was developed based on the unique optical and magnetic properties of magnetic nanoparticles (MNPs).
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Affiliation(s)
- Miao-Lin Duan
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
| | - Yan-Mei Huang
- Jiangxi YeLi Medical Device Co., Ltd
- Nanchang 330008
- China
| | - Song-Song Wu
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
| | - Guo-Qiang Li
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
| | - Shu-Ying Wang
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
| | - Ming-Hui Chen
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
| | - Chun Wang
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
| | - Dao-Feng Liu
- Institute for Nutrition and Food Safety
- Jiangxi Province Centre for Disease Control and Prevention
- Nanchang 330029
- China
| | - Cheng-Wei Liu
- Institute for Nutrition and Food Safety
- Jiangxi Province Centre for Disease Control and Prevention
- Nanchang 330029
- China
| | - Wei-Hua Lai
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
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