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Zhao X, Bhat A, O’Connor C, Curtin J, Singh B, Tian F. Review of Detection Limits for Various Techniques for Bacterial Detection in Food Samples. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:855. [PMID: 38786811 PMCID: PMC11124167 DOI: 10.3390/nano14100855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 05/07/2024] [Accepted: 05/12/2024] [Indexed: 05/25/2024]
Abstract
Foodborne illnesses can be infectious and dangerous, and most of them are caused by bacteria. Some common food-related bacteria species exist widely in nature and pose a serious threat to both humans and animals; they can cause poisoning, diseases, disabilities and even death. Rapid, reliable and cost-effective methods for bacterial detection are of paramount importance in food safety and environmental monitoring. Polymerase chain reaction (PCR), lateral flow immunochromatographic assay (LFIA) and electrochemical methods have been widely used in food safety and environmental monitoring. In this paper, the recent developments (2013-2023) covering PCR, LFIA and electrochemical methods for various bacterial species (Salmonella, Listeria, Campylobacter, Staphylococcus aureus (S. aureus) and Escherichia coli (E. coli)), considering different food sample types, analytical performances and the reported limit of detection (LOD), are discussed. It was found that the bacteria species and food sample type contributed significantly to the analytical performance and LOD. Detection via LFIA has a higher average LOD (24 CFU/mL) than detection via electrochemical methods (12 CFU/mL) and PCR (6 CFU/mL). Salmonella and E. coli in the Pseudomonadota domain usually have low LODs. LODs are usually lower for detection in fish and eggs. Gold and iron nanoparticles were the most studied in the reported articles for LFIA, and average LODs were 26 CFU/mL and 12 CFU/mL, respectively. The electrochemical method revealed that the average LOD was highest for cyclic voltammetry (CV) at 18 CFU/mL, followed by electrochemical impedance spectroscopy (EIS) at 12 CFU/mL and differential pulse voltammetry (DPV) at 8 CFU/mL. LOD usually decreases when the sample number increases until it remains unchanged. Exponential relations (R2 > 0.95) between LODs of Listeria in milk via LFIA and via the electrochemical method with sample numbers have been obtained. Finally, the review discusses challenges and future perspectives (including the role of nanomaterials/advanced materials) to improve analytical performance for bacterial detection.
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Affiliation(s)
- Xinyi Zhao
- School of Food Science and Environmental Health, Technological University Dublin, Grangegorman, D07 ADY7 Dublin, Ireland; (X.Z.); (A.B.); (C.O.); (B.S.)
- FOCAS Research Institute, Technological University Dublin, Camden Row, D08 CKP1 Dublin, Ireland
| | - Abhijnan Bhat
- School of Food Science and Environmental Health, Technological University Dublin, Grangegorman, D07 ADY7 Dublin, Ireland; (X.Z.); (A.B.); (C.O.); (B.S.)
- MiCRA Biodiagnostics Technology Gateway and Health, Engineering & Materials Sciences (HEMS) Research Hub, Technological University Dublin, D24 FKT9 Dublin, Ireland
| | - Christine O’Connor
- School of Food Science and Environmental Health, Technological University Dublin, Grangegorman, D07 ADY7 Dublin, Ireland; (X.Z.); (A.B.); (C.O.); (B.S.)
| | - James Curtin
- Faculty of Engineering and Built Environment, Technological University Dublin, Bolton Street, D01 K822 Dublin, Ireland;
| | - Baljit Singh
- School of Food Science and Environmental Health, Technological University Dublin, Grangegorman, D07 ADY7 Dublin, Ireland; (X.Z.); (A.B.); (C.O.); (B.S.)
- MiCRA Biodiagnostics Technology Gateway and Health, Engineering & Materials Sciences (HEMS) Research Hub, Technological University Dublin, D24 FKT9 Dublin, Ireland
| | - Furong Tian
- School of Food Science and Environmental Health, Technological University Dublin, Grangegorman, D07 ADY7 Dublin, Ireland; (X.Z.); (A.B.); (C.O.); (B.S.)
- FOCAS Research Institute, Technological University Dublin, Camden Row, D08 CKP1 Dublin, Ireland
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Moraes DMC, Almeida AMDS, Andrade MA, Nascente EDP, Duarte SC, Nunes IA, Jayme VDS, Minafra C. Antibiotic Resistance Profile of Salmonella sp. Isolates from Commercial Laying Hen Farms in Central-Western Brazil. Microorganisms 2024; 12:669. [PMID: 38674612 PMCID: PMC11052260 DOI: 10.3390/microorganisms12040669] [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: 02/09/2024] [Revised: 03/12/2024] [Accepted: 03/20/2024] [Indexed: 04/28/2024] Open
Abstract
Microbial resistance to antibiotics poses a significant threat to both human and animal health, necessitating international efforts to mitigate this issue. This study aimed to assess the resistance profiles of Salmonella sp. isolates and identify the presence of intl1, sul1, and blaTEM resistance genes within antigenically characterized isolates, including Agona, Livingstone, Cerro, Schwarzengrund, Salmonella enterica subsp. enterica serotype O:4.5, Anatum, Enteritidis, Johannesburg, Corvallis, and Senftenberg. These isolates underwent susceptibility testing against 14 antibiotics. The highest resistance percentages were noted for sulfamethoxazole (91%), sulfonamides (51%), and ceftiofur (28.9%), while no resistance was observed for ciprofloxacin. Salmonella Johannesburg and Salmonella Corvallis showed resistance to one antibiotic, whereas other serovars were resistant to at least two. Salmonella Schwarzengrund exhibited resistance to 13 antibiotics. The intl1 gene was detected in six out of the ten serovars, and the sul1 gene in three, always co-occurring with intl1. The blaTEM gene was not identified. Our findings highlight the risk posed by the detected multiple resistances and genes to animal, human, and environmental health. The multidrug resistance, especially to third-generation cephalosporins and fluoroquinolones, highlights the need for stringent monitoring of Salmonella in laying hens. The potential of the environment, humans, eggs, and their products to act as vectors for antibiotic resistance represents a significant concern for One Health.
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Affiliation(s)
- Dunya Mara Cardoso Moraes
- Department of Veterinary Medicine, Federal University of Goiás, Goiania 74605-080, Goiás, Brazil; (D.M.C.M.); (A.M.D.S.A.); (M.A.A.); (E.d.P.N.); (I.A.N.); (V.D.S.J.)
| | - Ana Maria De Souza Almeida
- Department of Veterinary Medicine, Federal University of Goiás, Goiania 74605-080, Goiás, Brazil; (D.M.C.M.); (A.M.D.S.A.); (M.A.A.); (E.d.P.N.); (I.A.N.); (V.D.S.J.)
| | - Maria Auxiliadora Andrade
- Department of Veterinary Medicine, Federal University of Goiás, Goiania 74605-080, Goiás, Brazil; (D.M.C.M.); (A.M.D.S.A.); (M.A.A.); (E.d.P.N.); (I.A.N.); (V.D.S.J.)
| | - Eduardo de Paula Nascente
- Department of Veterinary Medicine, Federal University of Goiás, Goiania 74605-080, Goiás, Brazil; (D.M.C.M.); (A.M.D.S.A.); (M.A.A.); (E.d.P.N.); (I.A.N.); (V.D.S.J.)
| | | | - Iolanda Aparecida Nunes
- Department of Veterinary Medicine, Federal University of Goiás, Goiania 74605-080, Goiás, Brazil; (D.M.C.M.); (A.M.D.S.A.); (M.A.A.); (E.d.P.N.); (I.A.N.); (V.D.S.J.)
| | - Valéria De Sá Jayme
- Department of Veterinary Medicine, Federal University of Goiás, Goiania 74605-080, Goiás, Brazil; (D.M.C.M.); (A.M.D.S.A.); (M.A.A.); (E.d.P.N.); (I.A.N.); (V.D.S.J.)
| | - Cíntia Minafra
- Department of Veterinary Medicine, Federal University of Goiás, Goiania 74605-080, Goiás, Brazil; (D.M.C.M.); (A.M.D.S.A.); (M.A.A.); (E.d.P.N.); (I.A.N.); (V.D.S.J.)
- Center for Food Research, Federal University of Goiás, Goiania 74660-970, Goiás, Brazil
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Abdugheni R, Li L, Yang ZN, Huang Y, Fang BZ, Shurigin V, Mohamad OAA, Liu YH, Li WJ. Microbial Risks Caused by Livestock Excrement: Current Research Status and Prospects. Microorganisms 2023; 11:1897. [PMID: 37630456 PMCID: PMC10456746 DOI: 10.3390/microorganisms11081897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 07/21/2023] [Accepted: 07/25/2023] [Indexed: 08/27/2023] Open
Abstract
Livestock excrement is a major pollutant yielded from husbandry and it has been constantly imported into various related environments. Livestock excrement comprises a variety of microorganisms including certain units with health risks and these microorganisms are transferred synchronically during the management and utilization processes of livestock excrement. The livestock excrement microbiome is extensively affecting the microbiome of humans and the relevant environments and it could be altered by related environmental factors as well. The zoonotic microorganisms, extremely zoonotic pathogens, and antibiotic-resistant microorganisms are posing threats to human health and environmental safety. In this review, we highlight the main feature of the microbiome of livestock excrement and elucidate the composition and structure of the repertoire of microbes, how these microbes transfer from different spots, and they then affect the microbiomes of related habitants as a whole. Overall, the environmental problems caused by the microbiome of livestock excrement and the potential risks it may cause are summarized from the microbial perspective and the strategies for prediction, prevention, and management are discussed so as to provide a reference for further studies regarding potential microbial risks of livestock excrement microbes.
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Affiliation(s)
- Rashidin Abdugheni
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Ürümqi 830011, China
| | - Li Li
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Ürümqi 830011, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhen-Ni Yang
- Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Yin Huang
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Ürümqi 830011, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Bao-Zhu Fang
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Ürümqi 830011, China
| | - Vyacheslav Shurigin
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Ürümqi 830011, China
| | - Osama Abdalla Abdelshafy Mohamad
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Ürümqi 830011, China
| | - Yong-Hong Liu
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Ürümqi 830011, China
| | - Wen-Jun Li
- State Key Laboratory of Desert and Oasis Ecology, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Ürümqi 830011, China
- State Key Laboratory of Biocontrol, Guangdong Provincial Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-Sen University, Guangzhou 510275, China
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Chin NA, Salihah NT, Shivanand P, Ahmed MU. Recent trends and developments of PCR-based methods for the detection of food-borne Salmonella bacteria and Norovirus. JOURNAL OF FOOD SCIENCE AND TECHNOLOGY 2022; 59:4570-4582. [PMID: 36276542 PMCID: PMC9579247 DOI: 10.1007/s13197-021-05280-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 09/13/2021] [Accepted: 09/15/2021] [Indexed: 05/17/2023]
Abstract
In recent years, rapid detection methods such as polymerase chain reaction (PCR) and quantitative real-time PCR (qPCR) have been continuously developed to improve the detection of food-borne pathogens in food samples. The recent developments of PCR and qPCR in the detection and identification of these food-borne pathogens are described and elaborated throughout this review. Specifically, further developments and improvements of qPCR are discussed in detecting Salmonella and norovirus. Promising advances in these molecular detection methods have been widely used to prevent human food-borne illnesses and death caused by the food-borne pathogens. In addition, this review presents the limitations and challenges of the detection methods which include conventional culture method and conventional PCR method in detecting Salmonella and norovirus. Furthermore, several advances of qPCR such as viability PCR (vPCR) and digital PCR (dPCR) have been discussed in the detection of Salmonella and norovirus. Good practice of analysis of the food-borne pathogens and other contaminants in the food industry as well as the advancement of molecular detection methods will help improve and ensure food safety and food quality.
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Affiliation(s)
- Nur Areena Chin
- Biosensors and Nanobiotechnology Laboratory, Integrated Science Building, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE1410 Brunei Darussalam
| | - Nur Thaqifah Salihah
- Universiti Islam Sultan Sharif Ali, Jalan Pasar Baharu, Gadong, BE1310 Brunei Darussalam
| | - Pooja Shivanand
- Environmental and Life Sciences Programme, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE1410 Brunei Darussalam
| | - Minhaz Uddin Ahmed
- Biosensors and Nanobiotechnology Laboratory, Integrated Science Building, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE1410 Brunei Darussalam
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Tran L, Rawlin GT, Beddoe T. Development of molecular detection methods of Bovicola ovis from sheep fleece. Parasitol Res 2022; 121:1597-1606. [PMID: 35435513 PMCID: PMC9098604 DOI: 10.1007/s00436-022-07520-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Accepted: 04/05/2022] [Indexed: 11/25/2022]
Abstract
The sheep body louse (Bovicola ovis) commonly referred to as sheep lice are small chewing ectoparasites of sheep. Infection results in significant economic costs to the Australian sheep industry due to reduced wool quality caused by chronic itching from sheep rubbing and biting fleece. Treatment relies on use of insecticides; however, resistance has developed against pyrethroid and other insect growth regulator lousicides. There is urgent need to develop cost-effective lice management to reduce the use of insecticides, with the application of insecticidal treatments only applied when an infestation is detected. However, the current detection method relies on fleece parting for detection of B. ovis which is highly dependent on the skill of the inspector, the number of sheep examined, and the prevalence and severity of the infestation. To improve B. ovis detection, a highly sensitive (5 × 10-8 ng/μL) and specific multiplex quantitative PCR which simultaneously detects sheep lice and sheep DNA was developed. In addition, a B. ovis loop-mediated isothermal amplification (LAMP) assay was developed for field use. The B. ovis LAMP (Bov-LAMP) assay was optimized to reliably detect B. ovis from wool samples down to 5 × 10-6 ng/μL, with time to positive (Tp) < 10 min. Both assays demonstrate high sensitivity and specificity, enabling rapid identification of B. ovis DNA from sheep fleece samples and have the capacity to be used for ongoing management and surveillance of B. ovis in Australian sheep flocks.
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Affiliation(s)
- Lily Tran
- Department of Animal, Plant and Soil Sciences, School of Life Sciences, La Trobe University, Bundoora, VIC, 3083, Australia
- AgriBio, Centre for AgriBioscience, Bundoora, VIC, 3083, Australia
| | - Grant T Rawlin
- AgriBio, Centre for AgriBioscience, Bundoora, VIC, 3083, Australia
- Department of Jobs, Precincts and Regions, Agriculture Victoria Research, Bundoora, VIC, 3083, Australia
| | - Travis Beddoe
- Department of Animal, Plant and Soil Sciences, School of Life Sciences, La Trobe University, Bundoora, VIC, 3083, Australia.
- AgriBio, Centre for AgriBioscience, Bundoora, VIC, 3083, Australia.
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Advancement in Salmonella Detection Methods: From Conventional to Electrochemical-Based Sensing Detection. BIOSENSORS-BASEL 2021; 11:bios11090346. [PMID: 34562936 PMCID: PMC8468554 DOI: 10.3390/bios11090346] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/06/2021] [Accepted: 09/09/2021] [Indexed: 02/07/2023]
Abstract
Large-scale food-borne outbreaks caused by Salmonella are rarely seen nowadays, thanks to the advanced nature of the medical system. However, small, localised outbreaks in certain regions still exist and could possess a huge threat to the public health if eradication measure is not initiated. This review discusses the progress of Salmonella detection approaches covering their basic principles, characteristics, applications, and performances. Conventional Salmonella detection is usually performed using a culture-based method, which is time-consuming, labour intensive, and unsuitable for on-site testing and high-throughput analysis. To date, there are many detection methods with a unique detection system available for Salmonella detection utilising immunological-based techniques, molecular-based techniques, mass spectrometry, spectroscopy, optical phenotyping, and biosensor methods. The electrochemical biosensor has growing interest in Salmonella detection mainly due to its excellent sensitivity, rapidity, and portability. The use of a highly specific bioreceptor, such as aptamers, and the application of nanomaterials are contributing factors to these excellent characteristics. Furthermore, insight on the types of biorecognition elements, the principles of electrochemical transduction elements, and the miniaturisation potential of electrochemical biosensors are discussed.
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