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Dandapat S, Bindu S, Sharma GK, Panickan S, Nandi S, Saikumar G, Dhama K. Development and evaluation of a chicken embryo fibroblast cell culture based live attenuated Indian strain duck plague vaccine. Vet Q 2024; 44:1-12. [PMID: 38726839 PMCID: PMC11089916 DOI: 10.1080/01652176.2024.2350668] [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: 12/20/2023] [Accepted: 04/27/2024] [Indexed: 05/15/2024] Open
Abstract
Duck plague (DP) is an acute, contagious and fatal disease, caused by duck enteritis virus (DEV), with worldwide distribution causing several outbreaks and posing severe economic losses. The present study was carried out with a goal of development of a live attenuated cell culture based DP vaccine using an Indian strain of DEV and evaluation of its safety, efficacy along with complete genome analysis. The live attenuated DP vaccine (DPvac/IVRI-19) was developed by serial propagation of a virulent isolate of DEV (DEV/India/IVRI-2016) in the chicken embryo fibroblast (CEF) primary cell culture. Adaptation of DEV in CEF cell culture was indicated by more rapid appearance of cytopathic effects (CPE) and gradual increase of virus titre, which reached up to 107.5 TCID50/mL after 41 passages. The safety, immunogenicity and efficacy of the vaccine were determined by immunization trials in ducklings. The DPvac/IVRI-19 was found to be avirulent and completely safe in the ducklings. Further, the vaccine induced both humoral and cell mediated immune responses and afforded 100% protection against the virulent DEV challenge. A comparison of the whole genome of DPvac/IVRI-19 (MZ911871) and DEV/India/IVRI-2016 (MZ824102) revealed significant number of mutations, which might be associated with viral attenuation. Phylogenetic tree of DEV/India/IVRI-2016 revealed its evolutionary relationship with other DEV isolates, but it formed a separate cluster with certain unique mutations. Thus, with the proven safety and 100% efficacy, the DPvac/IVRI-19 is suitable for large scale production with precisely pure form of vaccine and has potential utility at national and global levels.
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Affiliation(s)
- Satyabrata Dandapat
- Immunology Section, Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh, India
| | - Suresh Bindu
- Immunology Section, Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh, India
| | - Gaurav Kumar Sharma
- Center for Animal Disease Research and Diagnosis, Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh, India
| | - Sivasankar Panickan
- Immunology Section, Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh, India
| | - Sukdeb Nandi
- Center for Animal Disease Research and Diagnosis, Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh, India
| | - G. Saikumar
- Division of Pathology, Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh, India
| | - Kuldeep Dhama
- Division of Pathology, Indian Veterinary Research Institute, Izatnagar, Uttar Pradesh, India
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Tang W, Yuan M, Mao M, Cui Y, Wu Q, Wu B, He D, Wei F, Zhu Y, Diao Y, Hu J, Tang Y. Pathogenicity studies and molecular characterization of DPV infection in ducklings. Poult Sci 2024; 103:103919. [PMID: 38970847 PMCID: PMC11264171 DOI: 10.1016/j.psj.2024.103919] [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: 03/07/2024] [Accepted: 05/28/2024] [Indexed: 07/08/2024] Open
Abstract
In the spring of 2023, 10 to 21-day-old chicks in a broiler duck farm in Shandong Province, China, developed swelling of the head and neck, moist eyes with mucous discharge, difficulty in walking, shrinking of the neck, and loose and disorganized coat. Anatomical observation revealed hemorrhages in the esophageal mucosa, myocardium, and liver, and severe hemorrhages in the trachea with copious inflammatory secretions. Soon after, similar symptoms appeared in a large number of ducks in the flock, which eventually led to the elimination of all the 20,000-odd newly introduced ducklings on the farm, resulting in huge economic losses. We detected duck plague virus in the tissues of liver, spleen and lungs of diseased and dead ducks, and successfully isolated the pathogenic strain, named SD423, by inoculating duck embryos and inoculating duck embryo fibroblasts. We successfully conducted animal regression experiments with the isolated strain, and the experimental animals in the 1 d of age group showed symptoms of swollen eyes and tearing, shrinking of the neck, crouching, and hemorrhage in organs such as the liver and intestines successively from the 3rd d. We sequenced the whole genome of the isolated duck plague strain, and by comparing the homology with the published duck plague virus whole sequences in Genbank, the virus strain obtained in this study had the highest homology with the Chinese virulent strain SD (MN518864.1), with nucleotide (nt) homology of about 99.90% and amino acid (aa) homology of about 99.75%, which indicated that the isolate is a virulent strain. Previously, it was reported that the natural infection of duck plague virus mainly occurs above 30 d of age, but the duck plague virus found in this study can naturally infect ducklings up to 20 d of age, and the mortality rate is as high as 100%. In this study, the pathogenicity test and whole genome sequence analysis of this isolate provided data support and theoretical basis for further research on pathogenicity and virulence-related gene analysis of duck plague virus.
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Affiliation(s)
- Wentao Tang
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, Shandong 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong 271018, China
| | - Mengdi Yuan
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, Shandong 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong 271018, China
| | - Mingtian Mao
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, Shandong 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong 271018, China
| | - Yitong Cui
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, Shandong 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong 271018, China
| | - Qiong Wu
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, Shandong 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong 271018, China
| | - Bingrong Wu
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, Shandong 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong 271018, China
| | - Dalin He
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, Shandong 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong 271018, China
| | - Feng Wei
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, Shandong 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong 271018, China
| | - Yudong Zhu
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, Shandong 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong 271018, China
| | - Youxiang Diao
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, Shandong 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong 271018, China
| | - Jingdong Hu
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, Shandong 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong 271018, China
| | - Yi Tang
- College of Animal Science and Technology, Shandong Agricultural University, Tai'an, Shandong 271018, China; Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Tai'an, Shandong 271018, China; Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Tai'an, Shandong 271018, China.
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Zhang X, Chen G, Liu R, Guo J, Mei K, Qin L, Li Z, Yuan S, Huang S, Wen F. Identification, pathological, and genomic characterization of novel goose reovirus associated with liver necrosis in geese, China. Poult Sci 2024; 103:103269. [PMID: 38064883 PMCID: PMC10749903 DOI: 10.1016/j.psj.2023.103269] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 10/31/2023] [Accepted: 11/10/2023] [Indexed: 12/29/2023] Open
Abstract
Since 2021, a novel strain of goose reovirus (GRV) has emerged within the goose farming industry in Guangdong province, China. This particular viral variant is distinguished by the presence of white necrotic foci primarily localized in the liver and spleen, leading to substantial economic losses for the poultry industry. However, the etiology, prevalence and genomic characteristics of the causative agent have not been thoroughly investigated. In this study, we conducted an epidemiological inquiry employing suspected GRV samples collected from May 2021 to September 2022. The macroscopic pathological and histopathological lesions associated with GRV-infected clinical specimens were examined. Moreover, we successfully isolated the GRV strain and elucidated the complete genome sequence of the isolate GD21/88. Through phylogenetic and recombination analysis, we unveiled that the GRV strains represent a novel variant resulting from multiple reassortment events. Specifically, the μNS, λC, and σNS genes of GRV were found to have originated from chicken reovirus, while the σA gene of GRV exhibited a higher degree of similarity with a novel duck reovirus. The remaining genes of GRV were traced back to Muscovy duck reovirus. Collectively, our findings underscore the significance of GRV as a pathogenic agent impacting the goose farming industry. The insights gleaned from this study contribute to a more comprehensive understanding of the epidemiology of GRV in Southern China and shed light on the genetic reassortment events exhibited by the virus.
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Affiliation(s)
- Xinyu Zhang
- College of Life Science and Engineering, Foshan University, Foshan 528231, Guangdong, China
| | - Gaojie Chen
- College of Life Science and Engineering, Foshan University, Foshan 528231, Guangdong, China
| | - Runzhi Liu
- College of Life Science and Engineering, Foshan University, Foshan 528231, Guangdong, China
| | - Jinyue Guo
- College of Life Science and Engineering, Foshan University, Foshan 528231, Guangdong, China
| | - Kun Mei
- College of Life Science and Engineering, Foshan University, Foshan 528231, Guangdong, China
| | - Limei Qin
- College of Life Science and Engineering, Foshan University, Foshan 528231, Guangdong, China
| | - Zhili Li
- College of Life Science and Engineering, Foshan University, Foshan 528231, Guangdong, China
| | - Sheng Yuan
- College of Life Science and Engineering, Foshan University, Foshan 528231, Guangdong, China
| | - Shujian Huang
- College of Life Science and Engineering, Foshan University, Foshan 528231, Guangdong, China; Guangdong Huasheng Biotechnology Co., Ltd,Guangzhou 511300, Guangdong, China
| | - Feng Wen
- College of Life Science and Engineering, Foshan University, Foshan 528231, Guangdong, China; Guangdong Provincial Key Laboratory of Animal Molecular Design and Precise Breeding, College of Life Science and Engineering, Foshan University, Foshan 528231, Guangdong, China.
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Chabukdhara P, Kalita DJ, Tamuly S, Bora DP, Saikia DP, Borah S, Hazorika M, Borah MC, Gogoi SM, Deka NJ, Gogoi A, Bordoloi G, Khargharia S, Pathak SS. RIG-I expression pattern and cytokine profile in indigenous ducks infected with duck plague virus. Microb Pathog 2023:106205. [PMID: 37339691 DOI: 10.1016/j.micpath.2023.106205] [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: 02/22/2023] [Revised: 06/14/2023] [Accepted: 06/15/2023] [Indexed: 06/22/2023]
Abstract
The present study was undertaken to elucidate mRNA expression pattern of RIG-I and serum cytokines profile alterations in indigenous ducks of Assam, India viz. Pati, Nageswari and Cinahanh in response to natural infections of duck plague virus. Field outbreaks of duck plague virus were attended during the study period for collection of tissue and blood samples. The ducks under study were divided into three distinct groups as per health status i.e. healthy, duck plague infected and recovered. Results from the study revealed that RIG-I gene expression was significantly upregulated in liver, intestine, spleen, brain and PBMC of both infected and recovered ducks. However, fold changes in RIG- I gene expression was lower in recovered ducks as compared to infected ones which indicated continued stimulation of RIG-I gene by the latent viruses. Both serum pro and anti-inflammatory cytokines were elevated in infected ducks as compared to healthy and recovered ducks, indicating activation of inflammatory reactions in the ducks due to virus invasion. The results from the study indicated that innate immune components of the infected ducks were stimulated in order to make an attempt to resist the virus from the infected ducks.
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Affiliation(s)
- Prasanta Chabukdhara
- Department of Veterinary Physiology & Biochemistry, Lakhimpur College of Veterinary Science, Assam Agricultural University, North Lakhimpur, Assam, 787 051, India.
| | - Dhruba Jyoti Kalita
- Department of Veterinary Biochemistry, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, 781022, India
| | - Shantanu Tamuly
- Department of Veterinary Biochemistry, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, 781022, India
| | - Durlav Prasad Bora
- Department of Veterinary Microbiology, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, 781022, India
| | - Deep Prakash Saikia
- Department of Animal Biotechnology, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, 781022, India
| | - Sanjib Borah
- Department of Veterinary Physiology & Biochemistry, Lakhimpur College of Veterinary Science, Assam Agricultural University, North Lakhimpur, Assam, 787 051, India
| | - Mousumi Hazorika
- Veterinary Clinical Complex, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, 781022, India
| | - Mukul C Borah
- Department of Livestock Production and Management (Biostatistics), College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, 781022, India
| | - Sophia M Gogoi
- Department of Veterinary Microbiology, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, 781022, India
| | - Naba Jyoti Deka
- Department of Veterinary Biochemistry, College of Veterinary Science, Assam Agricultural University, Khanapara, Guwahati, Assam, 781022, India
| | - Ankita Gogoi
- Department of Animal Genetics & Breeding, Lakhimpur College of Veterinary Science, Assam Agricultural University, North Lakhimpur, Assam, 787 051, India
| | - Gautam Bordoloi
- Department of Veterinary Parasitology, Lakhimpur College of Veterinary Science, Assam Agricultural University, North Lakhimpur, Assam, 787 051, India
| | - Sanjib Khargharia
- Department of Veterinary Pharmacology & Toxicology, Lakhimpur College of Veterinary Science, Assam Agricultural University, North Lakhimpur, Assam, 787 051, India
| | - Siddhartha S Pathak
- Department of Livestock Production and Management (Poultry Science), Lakhimpur College of Veterinary Science, Assam Agricultural University, North Lakhimpur, Assam, 787 051, India
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