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Nguyen VG, Cao TBP, Le VT, Truong HT, Chu TTH, Dang HA, Nguyen TH, Le TL, Huynh TML. A Multiplex PCR Method for Simultaneous Detection of Infectious Laryngotracheitis Virus and Ornithobacterium rhinotracheale. Vet Sci 2023; 10:vetsci10040272. [PMID: 37104427 PMCID: PMC10144794 DOI: 10.3390/vetsci10040272] [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: 03/01/2023] [Revised: 03/22/2023] [Accepted: 03/31/2023] [Indexed: 04/28/2023] Open
Abstract
To date, many fluorescence- and gel-based multiplex polymerase chain reaction (PCR) assays have been developed for the simultaneous detection of multiple infectious agents of respiratory disease in poultry. However, PCR assays are not available for other important emerging respiratory bacteria, such as Ornithobacterium rhinotracheale (ORT). We aimed to fill this gap by establishing a new duplex PCR method for the simultaneous detection of infectious laryngotracheitis virus (ILTV) and ORT. Multiplex primer design software was used to select the compatible multiplex primer pairs. It was determined that an annealing temperature of 65 °C and an initial concentration of 2.5 pmol/µL for each primer set were the most suitable conditions for multiplex PCR. The assay was confirmed to be specific, as it only detected the target pathogens, even in the presence of six non-target agents. The limit of detection was up to 103 copies/µL of template DNA for both ILTV and ORT. In the screening of 304 field samples, 23, 88, and 44 were positive for both ILTV and ORT, solely for ILTV, and solely ORT, respectively.
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Affiliation(s)
- Van-Giap Nguyen
- Department of Veterinary Microbiology and Infectious Diseases, Faculty of Veterinary Medicine, Vietnam National University of Agriculture (VNUA), Hanoi 100000, Vietnam
| | - Thi-Bich-Phuong Cao
- Department of Veterinary Microbiology and Infectious Diseases, Faculty of Veterinary Medicine, Vietnam National University of Agriculture (VNUA), Hanoi 100000, Vietnam
| | - Van-Truong Le
- Department of Veterinary Microbiology and Infectious Diseases, Faculty of Veterinary Medicine, Vietnam National University of Agriculture (VNUA), Hanoi 100000, Vietnam
| | - Ha-Thai Truong
- Department of Veterinary Microbiology and Infectious Diseases, Faculty of Veterinary Medicine, Vietnam National University of Agriculture (VNUA), Hanoi 100000, Vietnam
| | - Thi-Thanh-Huong Chu
- Department of Veterinary Microbiology and Infectious Diseases, Faculty of Veterinary Medicine, Vietnam National University of Agriculture (VNUA), Hanoi 100000, Vietnam
| | - Huu-Anh Dang
- Department of Veterinary Microbiology and Infectious Diseases, Faculty of Veterinary Medicine, Vietnam National University of Agriculture (VNUA), Hanoi 100000, Vietnam
| | - Thi-Hoa Nguyen
- Key Laboratory for Veterinary Biotechnology, Vietnam National University of Agriculture (VNUA), Hanoi 100000, Vietnam
| | - Thi-Luyen Le
- Key Laboratory for Veterinary Biotechnology, Vietnam National University of Agriculture (VNUA), Hanoi 100000, Vietnam
| | - Thi-My-Le Huynh
- Department of Veterinary Microbiology and Infectious Diseases, Faculty of Veterinary Medicine, Vietnam National University of Agriculture (VNUA), Hanoi 100000, Vietnam
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Amin F, Mukhtar N, Aslam A, Sheikh AA, Sultan B, Hussain M, Shehzad R, Ali M, Shahid MF, Aziz MW, Azeem S, Aslam HB, Yaqub T. Rate of Multiple Viral and Bacterial CoInfection(s) in Influenza A/H9N2–Infected Broiler Flocks. Avian Dis 2022; 66:1-8. [DOI: 10.1637/aviandiseases-d-21-00114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 02/15/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Faisal Amin
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Nadia Mukhtar
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Asim Aslam
- Department of Pathology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Ali Ahmed Sheikh
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Bakht Sultan
- GP Laboratory, Grand Parent Poultry (Pvt) Ltd., Lahore, Pakistan
| | | | - Rehman Shehzad
- School of Biochemistry and Biotechnology, University of the Punjab, Lahore, Pakistan
| | - Muzaffar Ali
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Muhammad Furqan Shahid
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Muhammad Waqar Aziz
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Shahan Azeem
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Hassaan Bin Aslam
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
| | - Tahir Yaqub
- Institute of Microbiology, Faculty of Veterinary Science, University of Veterinary and Animal Sciences, Lahore 54000, Pakistan
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Courtney SJ, Stromberg ZR, Kubicek-Sutherland JZ. Nucleic Acid-Based Sensing Techniques for Diagnostics and Surveillance of Influenza. BIOSENSORS-BASEL 2021; 11:bios11020047. [PMID: 33673035 PMCID: PMC7918464 DOI: 10.3390/bios11020047] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/01/2021] [Accepted: 02/09/2021] [Indexed: 02/07/2023]
Abstract
Influenza virus poses a threat to global health by causing seasonal outbreaks as well as three pandemics in the 20th century. In humans, disease is primarily caused by influenza A and B viruses, while influenza C virus causes mild disease mostly in children. Influenza D is an emerging virus found in cattle and pigs. To mitigate the morbidity and mortality associated with influenza, rapid and accurate diagnostic tests need to be deployed. However, the high genetic diversity displayed by influenza viruses presents a challenge to the development of a robust diagnostic test. Nucleic acid-based tests are more accurate than rapid antigen tests for influenza and are therefore better candidates to be used in both diagnostic and surveillance applications. Here, we review various nucleic acid-based techniques that have been applied towards the detection of influenza viruses in order to evaluate their utility as both diagnostic and surveillance tools. We discuss both traditional as well as novel methods to detect influenza viruses by covering techniques that require nucleic acid amplification or direct detection of viral RNA as well as comparing advantages and limitations for each method. There has been substantial progress in the development of nucleic acid-based sensing techniques for the detection of influenza virus. However, there is still an urgent need for a rapid and reliable influenza diagnostic test that can be used at point-of-care in order to enhance responsiveness to both seasonal and pandemic influenza outbreaks.
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Chaudhry M, Webby R, Swayne D, Rashid HB, DeBeauchamp J, Killmaster L, Criado MF, Lee DH, Webb A, Yousaf S, Asif M, Ain QU, Khan M, Ilyas Khan M, Hasan S, Yousaf A, Mushtaque A, Bokhari SF, Hasni MS. Avian influenza at animal-human interface: One-health challenge in live poultry retail stalls of Chakwal, Pakistan. Influenza Other Respir Viruses 2020; 14:257-265. [PMID: 32032469 PMCID: PMC7182597 DOI: 10.1111/irv.12718] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 12/26/2019] [Accepted: 12/28/2019] [Indexed: 01/08/2023] Open
Abstract
Background Live poultry retail stalls (LPRSs) are believed to be the source of human infection with avian influenza viruses (AIVs); however, little is known about epidemiology of these viruses in LPRSs of Pakistan. Objectives The current study was conducted to estimate the virological and serological prevalence of AIVs in humans and poultry and associated risk factors among seropositive butchers. Methods A field survey of LPRSs of Chakwal District was conducted between December 2015 and March 2016. In total, 322 samples (sera = 161 and throat swab = 161) from butchers and 130 pooled oropharyngeal swabs and 100 sera from birds were collected. Baseline sera (n = 100) from general population were also tested. Data were collected by structured questionnaires. Sera were tested by hemagglutination inhibition (HI) test further confirmed by micro‐neutralization test (MN). Swabs were processed by real‐time RT‐PCR. Logistic regression analyses were conducted to identify risk factors. Results In butchers, 15.5% sera were positive for antibodies against H9 virus using a cutoff of ≥40 in HI titer; 6% sera from general population were positive for H9. Seroprevalence in poultry was 89%, and only 2.30% swabs were positive for H9. Presence of another LPRS nearby and the number of cages in the stall were risk factors (OR > 1) for H9 seroprevalence in butchers. Conclusions This study provides evidence of co‐circulation of H9 virus in poultry and exposure of butchers in the LPRSs, which poses a continued threat to public health. We suggest regular surveillance of AIVs in occupationally exposed butchers and birds in LPRSs.
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Affiliation(s)
- Mamoona Chaudhry
- Disease Surveillance Laboratory, Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Richard Webby
- Department of Infectious Diseases, World Health Organization Collaborating Center for Studies on the Ecology of Influenza in Animals and Birds, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - David Swayne
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, U.S. National Poultry Research Center, U.S. Department of Agriculture, Agricultural Research Service, Athens, GA, USA
| | - Hamad Bin Rashid
- Department of Clinical Medicine and Surgery, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Jennifer DeBeauchamp
- Department of Infectious Diseases, World Health Organization Collaborating Center for Studies on the Ecology of Influenza in Animals and Birds, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Lindsay Killmaster
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, U.S. National Poultry Research Center, U.S. Department of Agriculture, Agricultural Research Service, Athens, GA, USA
| | - Miria Ferreira Criado
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, U.S. National Poultry Research Center, U.S. Department of Agriculture, Agricultural Research Service, Athens, GA, USA
| | - Dong-Hun Lee
- Exotic and Emerging Avian Viral Diseases Research Unit, Southeast Poultry Research Laboratory, U.S. National Poultry Research Center, U.S. Department of Agriculture, Agricultural Research Service, Athens, GA, USA.,Department of Pathobiology and Veterinary Science, University of Connecticut, Storrs, CT, USA
| | - Ashley Webb
- Department of Infectious Diseases, World Health Organization Collaborating Center for Studies on the Ecology of Influenza in Animals and Birds, St. Jude Children's Research Hospital, Memphis, TN, USA
| | - Shumaila Yousaf
- Disease Surveillance Laboratory, Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Muhammad Asif
- Disease Surveillance Laboratory, Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Qurat Ul Ain
- Disease Surveillance Laboratory, Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Mirwaise Khan
- Disease Surveillance Laboratory, Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Muhammad Ilyas Khan
- Disease Surveillance Laboratory, Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Saima Hasan
- Disease Surveillance Laboratory, Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Arfat Yousaf
- Disease Surveillance Laboratory, Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Abida Mushtaque
- Disease Surveillance Laboratory, Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Syeda Fakhra Bokhari
- Disease Surveillance Laboratory, Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Muhammad Sajid Hasni
- Disease Surveillance Laboratory, Department of Epidemiology and Public Health, University of Veterinary and Animal Sciences, Lahore, Pakistan
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