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Murr M, Mettenleiter T. Negative-Strand RNA Virus-Vectored Vaccines. Methods Mol Biol 2024; 2786:51-87. [PMID: 38814390 DOI: 10.1007/978-1-0716-3770-8_3] [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] [Indexed: 05/31/2024]
Abstract
Vectored RNA vaccines offer a variety of possibilities to engineer targeted vaccines. They are cost-effective and safe, but replication competent, activating the humoral as well as the cellular immune system.This chapter focuses on RNA vaccines derived from negative-strand RNA viruses from the order Mononegavirales with special attention to Newcastle disease virus-based vaccines and their generation. It shall provide an overview on the advantages and disadvantages of certain vector platforms as well as their scopes of application, including an additional section on experimental COVID-19 vaccines.
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Affiliation(s)
- Magdalena Murr
- Institute of Molecular Virology and Cell Biology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, Germany.
| | - Thomas Mettenleiter
- Institute of Molecular Virology and Cell Biology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Greifswald-Insel Riems, Germany
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2
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He L, Spatz S, Dunn JR, Yu Q. Newcastle disease virus (NDV) recombinant expressing Marek's disease virus (MDV) glycoprotein B significantly protects chickens against MDV and NDV challenges. Vaccine 2023; 41:5884-5891. [PMID: 37598026 DOI: 10.1016/j.vaccine.2023.08.038] [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: 07/06/2023] [Revised: 08/11/2023] [Accepted: 08/15/2023] [Indexed: 08/21/2023]
Abstract
Marek's disease (MD) is a highly contagious viral neoplastic disease of chickens caused by Marek's disease virus (MDV), resulting in significant economic losses to the poultry industry worldwide. The commonly used live and/or vectored MDV vaccines are expensive to produce and difficult to handle due to the requirement of liquid nitrogen for manufacturing and delivering frozen infected cells that are viable. In this study, we aimed to develop a Newcastle disease virus (NDV) vectored MDV vaccine that can be lyophilized, stored, and transported at 4 °C. Four NDV LaSota (LS) vaccine strain-based recombinant viruses expressing MDV glycoproteins gB, gC, gE, or gI were generated using reverse genetics technology. The biological assessments showed that these recombinant viruses were slightly attenuated in vivo yet retained similar growth kinetics and virus titers in vitro compared to the parental LaSota virus. Vaccination of leghorn chickens (Lines 15I5x71 F1 cross) with these recombinant viruses via intranasal and intraocular routes conferred different levels of protection against virulent MDV challenge. The recombinant expressing the MDV gB protein, rLS/MDV-gB, protected vaccinated birds significantly against MDV-induced tumor formation when challenged at 14 days post-vaccination (DPV) but moderately at 5 DPV. Whereas the other three recombinants provided little protection against the MDV challenge. All four recombinants conferred complete protection against the velogenic NDV challenge. These results demonstrated that the rLS/MDV-gB virus is a safe and efficacious dual vaccine candidate that can be lyophilized and potentially mass-administered via aerosol or drinking water to large chicken populations at a meager cost.
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Affiliation(s)
- Lei He
- US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA; College of Animal Science and Technology, Henan University of Science and Technology, Luoyang, Henan Province 471003, China
| | - Stephen Spatz
- US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - John R Dunn
- US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Qingzhong Yu
- US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA.
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3
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A. Abd El-Ghany W. Avian Metapneumovirus Infection in Poultry Flocks: A Review of Current Knowledge. PERTANIKA JOURNAL OF TROPICAL AGRICULTURAL SCIENCE 2023; 46:971-1002. [DOI: 10.47836/pjtas.46.3.14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Avian metapneumovirus (aMPV) is one of the respiratory viruses that cause global economic losses in poultry production systems. Therefore, it was important to design a comprehensive review article that gives more information about aMPV infection regarding the distribution, susceptibility, transmission, pathogenesis, pathology, diagnosis, and prevention. The aMPV infection is characterized by respiratory and reproductive disorders in turkeys and chickens. The disease condition is turkey rhinotracheitis in turkeys and swollen head syndrome in chickens. Infection with aMPV is associated with worldwide economic losses, especially in complications with other infections or poor environmental conditions. The genus Metapneumovirus is a single-stranded enveloped RNA virus and contains A, B, C, and D subtypes. Meat and egg-type birds are susceptible to aMPV infection. The virus can transmit through aerosol, direct contact, mechanical, and vertical routes. The disease condition is characterized by respiratory manifestations, a decrease in egg production, growth retardation, increasing morbidity rate, and sometimes nervous signs and a high mortality rate, particularly in concurrent infections. Definitive diagnosis of aMPV is based mainly on isolation and identification methods, detection of the viral DNA, as well as seroconversion. Prevention of aMPV infection depends on adopting biosecurity measures and vaccination using inactivated, live attenuated, and recombinant or DNA vaccines.
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4
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Yu Z, Zhang Y, Li Z, Yu Q, Jia Y, Yu C, Chen J, Chen S, He L. Rapid construction of infectious clones for distinct Newcastle disease virus genotypes. Front Vet Sci 2023; 10:1178801. [PMID: 37303720 PMCID: PMC10248138 DOI: 10.3389/fvets.2023.1178801] [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: 03/03/2023] [Accepted: 04/28/2023] [Indexed: 06/13/2023] Open
Abstract
The reverse genetics system of the Newcastle disease virus (NDV) has provided investigators with a powerful approach to understand viral molecular biology and vaccine development. It has been impressively improved with modified strategies since its first report, but it still poses some challenges. Most noteworthy, the genome complexity and length made full-length error-free cDNA assembly the most challenging and time-consuming step of NDV rescue. In the present study, we report a rapid full-length NDV genome construction with only a two-step ligation-independent cloning (LIC) strategy, which could be applied to distinct genotypes. In this approach, the genome of NDV was divided into two segments, and the cDNA clones were generated by RT-PCR followed by LIC. Subsequently, the infectious NDVs were rescued by co-transfection of the full-length cDNA clones and supporting plasmids expressing the NP, P, and L proteins of NDV in BHK-21 cells. Compared with the conventional cloning approaches, the two-step cloning method drastically reduced the number of cloning steps and saved researchers a substantial amount of time for constructing NDV infectious clones, thus enabling a rapid rescue of different genotypes of NDVs in a matter of weeks. Therefore, this two-step LIC cloning strategy may have an application to the rapid development of NDV-vectored vaccines against emerging animal diseases and the generation of different genotypes of recombinant NDVs for cancer therapy.
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Affiliation(s)
- Zuhua Yu
- The Key Lab of Animal Disease and Public Health/Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Henan University of Science and Technology, Luoyang, Henan, China
| | - Yuhao Zhang
- The Key Lab of Animal Disease and Public Health/Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Henan University of Science and Technology, Luoyang, Henan, China
| | - Zedian Li
- The Key Lab of Animal Disease and Public Health/Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Henan University of Science and Technology, Luoyang, Henan, China
| | - Qingzhong Yu
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA, United States
| | - Yanyan Jia
- The Key Lab of Animal Disease and Public Health/Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Henan University of Science and Technology, Luoyang, Henan, China
| | - Chuan Yu
- Animal Diseases and Public Health Engineering Research Center of Henan Province, Luoyang Polytechnic, Luoyang, Henan, China
| | - Jian Chen
- The Key Lab of Animal Disease and Public Health/Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Henan University of Science and Technology, Luoyang, Henan, China
| | - Songbiao Chen
- The Key Lab of Animal Disease and Public Health/Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Henan University of Science and Technology, Luoyang, Henan, China
| | - Lei He
- The Key Lab of Animal Disease and Public Health/Luoyang Key Laboratory of Live Carrier Biomaterial and Animal Disease Prevention and Control, Henan University of Science and Technology, Luoyang, Henan, China
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Eldemery F, Ou C, Kim T, Spatz S, Dunn J, Silva R, Yu Q. Evaluation of Newcastle disease virus LaSota strain attenuated by codon pair deoptimization of the HN and F genes for in ovo vaccination. Vet Microbiol 2023; 277:109625. [PMID: 36563582 DOI: 10.1016/j.vetmic.2022.109625] [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: 08/23/2022] [Revised: 11/22/2022] [Accepted: 12/04/2022] [Indexed: 12/12/2022]
Abstract
In ovo vaccination is an attractive immunization approach for the poultry industry. However, commonly used Newcastle disease virus (NDV) vaccines cannot be administered in ovo because of the reduced hatchability and embryo mortality. The codon pair deoptimization (CPD) approach has been used to efficiently and rapidly attenuate viruses by targeting the virulence genes. In this study, we aimed to attenuate the NDV LaSota (LS) vaccine strain for in ovo vaccination by CPD of the fusion (F) or/and hemagglutinin-neuraminidase (HN) genes with approximately 44 % suboptimal codon substitutions. Three NDV LS recombinants expressing codon deoptimized F (rLS/F-d), HN (rLS/HN-d), or both genes (rLS/F+HN-d) were generated using reverse genetics technology. Biological assays showed that the CPD viruses retained similar hemagglutination activity and growth ability to the parental rLS virus. The CPD of the HN gene slightly attenuated the rLS/HN-d and rLS/F+HN-d viruses, whereas the CPD of the F gene marginally increased the rLS/F-d virus pathogenicity compared to rLS. Nevertheless, all three CPD rLS viruses were still lethal to 10-day-old specific-pathogen-free (SPF) chicken embryos. In ovo inoculation of 18-day-old SPF chicken embryos with the CPD viruses severely reduced chicken's hatch and survival rates. These results suggested that the CPD of the surface glycoprotein genes of the LS strain at the current level of suboptimal codon substitutions could not sufficiently attenuate the virus for use as an in ovo vaccine, and codon deoptimizing a greater proportion of the F and HN genes or additional gene(s) may be required for sufficient attenuation of the LS strain.
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Affiliation(s)
- Fatma Eldemery
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA; Department of Hygiene and Zoonoses, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt
| | - Changbo Ou
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA; College of Animal Science and Technology, Guangxi University, Nanning 530004, China
| | - Taejoong Kim
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Stephen Spatz
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - John Dunn
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Robert Silva
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Qingzhong Yu
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA.
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6
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Foreign gene expression attenuates a virulent Newcastle disease virus in chickens. Virus Genes 2022; 58:414-422. [PMID: 35751792 DOI: 10.1007/s11262-022-01922-8] [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: 03/07/2022] [Accepted: 06/09/2022] [Indexed: 10/17/2022]
Abstract
Newcastle disease virus (NDV) is an important pathogen for poultry and is used as a vector for developing novel poultry vaccines. Previous studies showed that foreign gene insertion in NDV vector decreases virulence determined by in vitro assays; however, the impact of foreign gene expression on the pathogenicity of NDV in susceptible chickens is not fully investigated. In this study, a recombinant NDV based on a velogenic strain carrying the orange fluorescent protein (OFP) gene between the phosphoprotein (P) and matrix (M) genes was generated using reverse genetics. Biological characteristics, including virus replication, virulence, and OFP expression, and the pathogenicity in chickens were evaluated. The recombinant NDV showed comparable replication capacity in eggs and cells as the parental virus, whereas OFP insertion resulted in a mild impairment of virulence, evidenced by longer mean death time in embryos. High OFP expression was detected in the cells inoculated with the recombinant NDV. In addition, the recombinant NDV induced delayed onset of disease, lower severity of clinical signs, and lower mortality in chickens compared to the parental virus. Moreover, high titers of the parental virus were detected in the spleen, lung, and intestinal tract, while no recombinant NDV was recovered from these tissues. Our findings suggest that in vitro characteristics related to the insertion of the OFP gene in a virulent NDV do not correlate to alteration of the pathogenicity in chickens. Our results provided new information regarding assessment of the impact of foreign gene expression on the pathogenicity of NDV.
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7
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Fulber JPC, Kamen AA. Development and Scalable Production of Newcastle Disease Virus-Vectored Vaccines for Human and Veterinary Use. Viruses 2022; 14:975. [PMID: 35632717 PMCID: PMC9143368 DOI: 10.3390/v14050975] [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: 03/22/2022] [Revised: 04/29/2022] [Accepted: 05/02/2022] [Indexed: 11/16/2022] Open
Abstract
The COVID-19 pandemic has highlighted the need for efficient vaccine platforms that can rapidly be developed and manufactured on a large scale to immunize the population against emerging viruses. Viral-vectored vaccines are prominent vaccine platforms that have been approved for use against the Ebola virus and SARS-CoV-2. The Newcastle Disease Virus is a promising viral vector, as an avian paramyxovirus that infects poultry but is safe for use in humans and other animals. NDV has been extensively studied not only as an oncolytic virus but also a vector for human and veterinary vaccines, with currently ongoing clinical trials for use against SARS-CoV-2. However, there is a gap in NDV research when it comes to process development and scalable manufacturing, which are critical for future approved vaccines. In this review, we summarize the advantages of NDV as a viral vector, describe the steps and limitations to generating recombinant NDV constructs, review the advances in human and veterinary vaccine candidates in pre-clinical and clinical tests, and elaborate on production in embryonated chicken eggs and cell culture. Mainly, we discuss the existing data on NDV propagation from a process development perspective and provide prospects for the next steps necessary to potentially achieve large-scale NDV-vectored vaccine manufacturing.
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Affiliation(s)
| | - Amine A. Kamen
- Viral Vectors and Vaccines Bioprocessing Group, Department of Bioengineering, McGill University, Montreal, QC H3A 0G4, Canada;
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8
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Feng H, Shang Y, Li L, Sun X, Fan S, Ren X, Xu Y, Zeng Z, Hu X, Cheng G, Wen G. Fusion Protein Cleavage Site Containing Three Basic Amino Acids Attenuates Newcastle Disease Virus in Chicken Embryos: Use as an in ovo Vaccine. Front Microbiol 2022; 13:812289. [PMID: 35387070 PMCID: PMC8978892 DOI: 10.3389/fmicb.2022.812289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Accepted: 02/14/2022] [Indexed: 11/16/2022] Open
Abstract
In ovo vaccination is an attractive immunization strategy for the poultry industry. However, although most live Newcastle disease virus (NDV) vaccine strains, such as LaSota and V4, can be used after hatching, they are pathogenic to chicken embryos when administered in ovo. We have previously reported that NDV strain TS09-C is a safe in ovo vaccine in specific-pathogen-free and commercial chicken embryos because it is attenuated in chicken embryos. However, the molecular basis of its attenuation is poorly understood. In this study, we firstly evaluated the safety of chimeric NDV strains after exchanging genes between strains TS09-C and LaSota as in ovo vaccines, and demonstrated that the attenuation of NDV in chicken embryos was dependent upon the origin of the fusion (F) protein. Next, by comparing the F protein sequences of TS09-C strain with those of LaSota and V4 strain, the R115 in cleavage site and F379 were found to be unique to TS09-C strain. The mutant viruses were generated by substituting one or two amino acids at position 115 and 379 in the F protein, and their safety as in ovo vaccine was evaluated. Mutation in residue 379 did not affect the viral embryonic pathogenicity. While the mutant virus rTS-2B (R115G mutation based on the backbone of TS09-C strain) with two basic amino acids in F cleavage site, was pathogenic to chicken embryos and similar with rLaSota in its tissue tropism, differing markedly from rTS09-C with three basic amino acids in F cleavage site. Together, these findings indicate that the F protein cleavage site containing three basic amino acids is the crucial determinant of the attenuation of TS09-C in chicken embryos. This study extends our understanding of the pathogenicity of NDV in chicken embryos and should expedite the development of in ovo vaccines against NDV.
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Affiliation(s)
- Helong Feng
- Division of Veterinary Pathology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China.,Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China.,Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Wuhan, China.,Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Wuhan, China
| | - Yu Shang
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China.,Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Wuhan, China.,Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Wuhan, China
| | - Li Li
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China.,Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Wuhan, China.,Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Wuhan, China
| | - Xiuxiu Sun
- Division of Veterinary Pathology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Sanling Fan
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China.,Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Wuhan, China.,Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Wuhan, China
| | - Xiangfei Ren
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China.,Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Wuhan, China.,Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Wuhan, China
| | - Yingying Xu
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China.,Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Wuhan, China.,Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Wuhan, China
| | - Zhe Zeng
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China.,Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Wuhan, China.,Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Wuhan, China
| | - Xingxing Hu
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China.,Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Wuhan, China.,Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Wuhan, China
| | - Guofu Cheng
- Division of Veterinary Pathology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, China
| | - Guoyuan Wen
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan, China.,Hubei Provincial Key Laboratory of Animal Pathogenic Microbiology, Wuhan, China.,Key Laboratory of Prevention and Control Agents for Animal Bacteriosis (Ministry of Agriculture), Wuhan, China
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Vilela J, Rohaim MA, Munir M. Avian Orthoavulavirus Type-1 as Vaccine Vector against Respiratory Viral Pathogens in Animal and Human. Vaccines (Basel) 2022; 10:259. [PMID: 35214716 PMCID: PMC8876055 DOI: 10.3390/vaccines10020259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2021] [Revised: 01/30/2022] [Accepted: 02/04/2022] [Indexed: 11/17/2022] Open
Abstract
Avian orthoavulaviruses type-1 (AOaV-1) have recently transitioned from animal vaccine vector to a bona fide vaccine delivery vehicle in human. Owing to induction of robust innate and adaptive immune responses in mucus membranes in both birds and mammals, AOaVs offer an attractive vaccine against respiratory pathogens. The unique features of AOaVs include over 50 years of safety profile, stable expression of foreign genes, high infectivity rates in avian and mammalian hosts, broad host spectrum, limited possibility of recombination and lack of pre-existing immunity in humans. Additionally, AOaVs vectors allow the production of economical and high quantities of vaccine antigen in chicken embryonated eggs and several GMP-grade mammalian cell lines. In this review, we describe the biology of AOaVs and define protocols to manipulate AOaVs genomes in effectively designing vaccine vectors. We highlighted the potential and established portfolio of AOaV-based vaccines for multiple respiratory and non-respiratory viruses of veterinary and medical importance. We comment on the limitations of AOaV-based vaccines and propose mitigations strategies. The exploitation of AOaVs vectors is expanding at an exciting pace; thus, we have limited the scope to their use as vaccines against viral pathogens in both animals and humans.
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Affiliation(s)
- Julianne Vilela
- Division of Biomedical and Life Sciences, Lancaster University, Lancaster LA1 4YG, UK; (J.V.); (M.A.R.)
| | - Mohammed A. Rohaim
- Division of Biomedical and Life Sciences, Lancaster University, Lancaster LA1 4YG, UK; (J.V.); (M.A.R.)
- Department of Virology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Muhammad Munir
- Division of Biomedical and Life Sciences, Lancaster University, Lancaster LA1 4YG, UK; (J.V.); (M.A.R.)
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10
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Nath B, Morla S, Kumar S. Reverse Genetics and Its Usage in the Development of Vaccine Against Poultry Diseases. Methods Mol Biol 2022; 2411:77-92. [PMID: 34816399 DOI: 10.1007/978-1-0716-1888-2_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] [Indexed: 06/13/2023]
Abstract
Vaccines are the most effective and economic way of combating poultry viruses. However, the use of traditional live-attenuated poultry vaccines has problems such as antigenic differences with the currently circulating strains of viruses and the risk of reversion to virulence. In veterinary medicine, reverse genetics is applied to solve these problems by developing genotype-matched vaccines, better attenuated and effective live vaccines, broad-spectrum vaccine vectors, bivalent vaccines, and genetically tagged recombinant vaccines that facilitate the serological differentiation of vaccinated animals from infected animals. In this chapter, we discuss reverse genetics as a tool for the development of recombinant vaccines against economically devastating poultry viruses.
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Affiliation(s)
- Barnali Nath
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Sudhir Morla
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Sachin Kumar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India.
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11
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Kaboudi K, Lachheb J. Avian metapneumovirus infection in turkeys: a review on turkey rhinotracheitis. J APPL POULTRY RES 2021. [DOI: 10.1016/j.japr.2021.100211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
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12
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Heterologous prime-boost regimens with HAdV-5 and NDV vectors elicit stronger immune responses to Ebola virus than homologous regimens in mice. Arch Virol 2021; 166:3333-3341. [PMID: 34591172 PMCID: PMC8482741 DOI: 10.1007/s00705-021-05234-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 07/23/2021] [Indexed: 12/15/2022]
Abstract
The 2014 Ebola outbreak in West Africa resulted in more than 11,000 deaths, highlighting the need for a vaccine. A phase I clinical trial of a human adenovirus type 5 vector-based Ebola virus (EBOV) vaccine (HAdV-5-MakGP) showed that a homologous prime-boost regimen with HAdV-5 vaccine elicited a robust humoral response but a weak cellular immune response. Due to pre-existing anti-vector immunity, boosting with the same vaccine did not increase the magnitude of the cellular immune response, which contributes significantly to protection against EBOV infection. Here, we generated a recombinant Newcastle disease virus (NDV), based on the LaSota vaccine strain, expressing the GP protein of the EBOV variant Makona (rLS/EB-GP) using reverse genetics technology. The humoral and cellular immune responses to this vaccine candidate in mice immunized using a homologous prime-boost regimen or a heterologous prime-boost regimen with the HAdV-5-vectored Ebola vaccine were assessed using ELISA and ELISPOT assays. The ELISA and ELISPOT results showed that mice primed with rLS/EB-GP and boosted with HAdV-5-MakGP (NDV+HAdV-5) or, reversed, primed with HAdV-5-MakGP and boosted with rLS/EB-GP (HAdV-5+NDV) exhibited more-potent EBOV GP-specific antibody and cellular immune responses than those receiving the same vaccine twice. The most robust EBOV GP-specific antibody and T-cell responses were detected in the HAdV-5-MakGP-primed and rLS/EB-GP-boosted (HAdV-5+NDV) mice. These results suggest that the HAdV-5 prime-NDV boost regimen is more effective in stimulating EBOV-specific immunity than homologous regimens alone, indicating the potential boosting ability of the NDV vector in human vaccine use.
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Khalid Z, He L, Yu Q, Breedlove C, Joiner K, Toro H. Enhanced Protection by Recombinant Newcastle Disease Virus Expressing Infectious Bronchitis Virus Spike Ectodomain and Chicken Granulocyte-Macrophage Colony-Stimulating Factor. Avian Dis 2021; 65:364-372. [PMID: 34427409 DOI: 10.1637/aviandiseases-d-21-00032] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 05/18/2021] [Indexed: 11/05/2022]
Abstract
We previously reported that recombinant Newcastle disease virus LaSota (rLS) expressing infectious bronchitis virus (IBV) Arkansas (Ark)-type trimeric spike (S) ectodomain (Se; rLS/ArkSe) provides suboptimal protection against IBV challenge. We have now developed rLS expressing chicken granulocyte-macrophage colony-stimulating factor (GMCSF) and IBV Ark Se in an attempt to enhance vaccine effectiveness. In the current study, we first compared protection conferred by vaccination with rLS/ArkSe and rLS/ArkSe.GMCSF. Vaccinated chickens were challenged with virulent Ark, and protection was determined by clinical signs, viral load, and tracheal histomorphometry. Results showed that coexpression of GMCSF and the Se from rLS significantly reduced tracheal viral load and tracheal lesions compared with chickens vaccinated with rLS/ArkSe. In a second experiment, we evaluated enhancement of cross-protection of a Massachusetts (Mass) attenuated vaccine by priming or boosting with rLS/ArkSe.GMCSF. Vaccinated chickens were challenged with Ark, and protection was evaluated. Results show that priming or boosting with the recombinant virus significantly increased cross-protection conferred by Mass against Ark virulent challenge. Greater reductions of viral loads in both trachea and lachrymal fluids were observed in chickens primed with rLS/ArkSe.GMCSF and boosted with Mass. Consistently, Ark Se antibody levels measured with recombinant Ark Se protein-coated ELISA plates 14 days after boost were significantly higher in these chickens. Unexpectedly, the inverse vaccination scheme, that is, priming with Mass and boosting with the recombinant vaccine, proved somewhat less effective. We concluded that a prime and boost strategy by using rLS/ArkSe.GMCSF and the worldwide ubiquitous Mass attenuated vaccine provides enhanced cross-protection. Thus, rLS/GMCSF coexpressing the Se of regionally relevant IBV serotypes could be used in combination with live Mass to protect against regionally circulating IBV variant strains.
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Affiliation(s)
- Z Khalid
- Department of Pathobiology, Auburn University College of Veterinary Medicine, Auburn, AL 36830
| | - L He
- United States Department of Agriculture, Agricultural Research Service, United States National Poultry Research Center, Athens, GA 30605.,The Key Lab of Animal Disease and Public Health, Henan University of Science and Technology, Luoyang 471023, Henan, China
| | - Q Yu
- United States Department of Agriculture, Agricultural Research Service, United States National Poultry Research Center, Athens, GA 30605
| | - C Breedlove
- Department of Pathobiology, Auburn University College of Veterinary Medicine, Auburn, AL 36830
| | - K Joiner
- Department of Pathobiology, Auburn University College of Veterinary Medicine, Auburn, AL 36830
| | - H Toro
- Department of Pathobiology, Auburn University College of Veterinary Medicine, Auburn, AL 36830,
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14
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Murulitharan K, Yusoff K, Omar AR, Peeters BPH, Molouki A. Rapid Generation of a Recombinant Genotype VIII Newcastle Disease Virus (NDV) Using Full-Length Synthetic cDNA. Curr Microbiol 2021; 78:1458-1465. [PMID: 33660046 PMCID: PMC7929900 DOI: 10.1007/s00284-021-02421-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Accepted: 02/10/2021] [Indexed: 11/26/2022]
Abstract
Rescue of (-)ssRNA viruses involves the sequential assembly and cloning of the full-length cDNA, which is often a challenging and time-consuming process. The objective of this study was to develop a novel method to rapidly clone the full-length cDNA of a very virulent NDV by only one assembly step. A completely synthetic 15 kb cDNA of a Malaysian genotype VIII NDV known as strain AF2240-I with additional flanking BsmBI sites was synthesised. However, to completely follow the rule-of-six, the additional G residues that are traditionally added after the T7 promoter transcription initiation site were not synthesised. The synthetic fragment was then cloned into low-copy number transcription vector pOLTV5-phiX between the T7 promoter and HDV Rz sequences through digestion with BbsI. The construct was co-transfected with helper plasmids into BSRT7/5 cells. A recombinant NDV called rAF was successfully rescued using transfection supernatant harvested as early as 16 h post-transfection. Virus from each passage showed an intracerebral pathogenicity index (ICPI) and a mean death time (MDT) similar to the parent strain AF2240-I. Moreover, rAF possessed an introduced mutation which was maintained for several passages. The entire rescue using the one-step assembly procedure was completed within a few weeks, which is extremely fast compared to previously used methods.
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Affiliation(s)
| | - Khatijah Yusoff
- Institute of Bioscience, Universiti Putra Malaysia, Serdang, Selangor, Malaysia.
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor DE, Malaysia.
| | - Abdul Rahman Omar
- Institute of Bioscience, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
| | - Ben P H Peeters
- Department of Virology, Wageningen Bioveterinary Research, Lelystad, The Netherlands
| | - Aidin Molouki
- Department of Avian Disease Research and Diagnostic, Razi Vaccine and Serum Research Institute, Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran.
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15
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Yeong MY, Cheow PS, Abdullah S, Song AAL, Lei-Rossmann J, Tan TK, Yusoff K, Chia SL. Development of a T7 RNA polymerase expressing cell line using lentivirus vectors for the recovery of recombinant Newcastle disease virus. J Virol Methods 2021; 291:114099. [PMID: 33592218 DOI: 10.1016/j.jviromet.2021.114099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 02/02/2021] [Accepted: 02/08/2021] [Indexed: 11/28/2022]
Abstract
The development of a T7 RNA polymerase (T7 RNAP) expressing cell line i.e. BSR T7/5 cells marks an improvement of reverse genetics for the recovery of recombinant Newcastle disease virus (rNDV). BSR T7/5 is developed by transient transfection of plasmid encoding T7 RNAP gene for rNDV rescue. However, the gene expression decreases gradually over multiple passages and eventually hinders the rescue of rNDV. To address this issue, lentiviral vector was used to develop T7 RNAP-expressing HEK293-TA (HEK293-TA-Lv-T7) and SW620 (SW620-Lv-T7) cell lines, evidenced by the expression of T7 RNAP after subsequent 20 passages. rNDV was rescued successfully using HEK293-TA-Lv-T7 clones (R1D3, R1D8, R5B9) and SW620-Lv-T7 clones (R1C11, R3C5) by reverse transfection, yielding comparable virus rescue efficiency and virus titres to that of BSR T7/5. This study provides new tools for rNDV rescue and insights into cell line development and virology by reverse genetics.
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Affiliation(s)
- Ming Yue Yeong
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia.
| | - Pheik-Sheen Cheow
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia.
| | - Syahril Abdullah
- UPM-MAKNA Cancer Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia.
| | - Adelene Ai-Lian Song
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia.
| | - Janet Lei-Rossmann
- Anticancer Viruses and Cancer Vaccines Research Group, Department of Oncology, University of Oxford, OX3 7DQ, Oxford, United Kingdom.
| | - Tiong-Kit Tan
- MRC Human Immunology Unit, Weatherall Institute of Molecular Medicine, University of Oxford, OX3 9DS, Oxford, United Kingdom.
| | - Khatijah Yusoff
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia; UPM-MAKNA Cancer Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia; Malaysia Genome Institute, Ministry of Science, Technology and Innovation, Jalan Bangi, 43000 Kajang, Selangor Darul Ehsan, Malaysia.
| | - Suet-Lin Chia
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia; UPM-MAKNA Cancer Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor Darul Ehsan, Malaysia.
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16
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Romanutti C, Keller L, Zanetti FA. Current status of virus-vectored vaccines against pathogens that affect poultry. Vaccine 2020; 38:6990-7001. [PMID: 32951939 DOI: 10.1016/j.vaccine.2020.09.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 08/12/2020] [Accepted: 09/02/2020] [Indexed: 01/04/2023]
Abstract
The most effective strategies for the control of disease in poultry are vaccination and biosecurity. Vaccines useful against pathogens affecting poultry must be safe, effective with a single dose, inexpensive, applicable by mass vaccination methods, and able to induce a protective immune response in the presence of maternal antibodies. Viral vector meet some of these characteristics and if the attenuated virus used as vector infects birds, the vaccine will have the advantage of being bivalent. Thus, viral vectors are currently a tool of choice for the development of new poultry vaccines. This review describes the main viruses used as vectors for the delivery and in vivo expression of antigens of poultry pathogens. It also presents the methodologies most frequently used to obtain recombinant viral vectors and summarizes the state-of-the-art related to vectored vaccines in poultry (some of them currently licensed), the pathogens targeted and their antigens, and the ability of these vaccines to induce an effective immune response. Finally, the review discusses the results of a few studies comparing recombinant viral vector vaccines and live-attenuated vaccines in vaccine matching challenges, and mentions strategies and future researches that can help to improve the efficacy of vectored vaccines in poultry birds.
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Affiliation(s)
- Carina Romanutti
- Centro de Virología Animal (CEVAN), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Saladillo 2468 (C1440FFX), Ciudad Autónoma de Buenos Aires, Argentina.
| | - Leticia Keller
- Instituto de Ciencia y Tecnología "Dr. Cesar Milstein", CONICET, Saladillo 2468 (C1440FFX), Ciudad Autónoma de Buenos Aires, Argentina.
| | - Flavia Adriana Zanetti
- Instituto de Ciencia y Tecnología "Dr. Cesar Milstein", CONICET, Saladillo 2468 (C1440FFX), Ciudad Autónoma de Buenos Aires, Argentina.
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17
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Zegpi RA, He L, Yu Q, Joiner KS, van Santen VL, Toro H. Limited Protection Conferred by Recombinant Newcastle Disease Virus Expressing Infectious Bronchitis Spike Protein. Avian Dis 2020; 64:53-59. [PMID: 32267125 DOI: 10.1637/0005-2086-64.1.53] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 11/18/2019] [Indexed: 11/05/2022]
Abstract
Recombinant Newcastle disease virus (NDV) LaSota (LS) expressing secreted trimeric spike (S)-ectodomain (Se) of infectious bronchitis virus (IBV) (rLS/IBV.Se) was developed and evaluated for protection conferred against IBV challenge. The IBV S-ectodomain protein, which is S excluding the transmembrane anchor and short cytoplasmic domain of S2, expressed from recombinant LS corresponds to an Arkansas (Ark)-type IBV. In a first experiment, chickens were primed at 1 day of age or primed at 1 day of age and boosted at 14 days of age with 104 50% embryo infectious doses (EID50)/bird of rLS/IBV.Se and challenged with a virulent Ark strain. A single vaccination proved completely ineffective at protecting chickens against challenge, whereas priming and boosting reduced clinical signs and tracheal lesions but did not reduce viral load in lachrymal fluids. In experiment 2, the vaccine dose was increased to 107 EID50/bird and a different virulent Ark strain was used for challenge. In addition, chickens were singly immunized on either day 1 or day 10 after hatch. NDV antibody levels detected in vaccinated chickens were moderate, with hemagglutination inhibition titers varying between 4 and 5 log2. Slightly higher antibody levels to NDV were observed in chickens vaccinated on day 10 versus day 1 but without the difference achieving statistical significance. In contrast, antibody responses measured using recombinant IBV S1 protein-coated ELISA plates were significantly greater in chickens vaccinated on day 10 than on day 1. The use of a higher rLS/IBV.Se dose substantially enhanced the success of a single vaccination compared to experiment 1. Signs and tracheal lesions were reduced more effectively in chickens vaccinated at day 10 after hatch. However, as in experiment 1, vaccination did not reduce the viral loads in tear fluids of challenged chickens. Similar results, in which no reduction in viral load in the trachea was apparent from rLS/IBV.S vaccination, have been obtained by others. Further work is needed to understand the immune responses induced by this recombinant virus that seems to provide some protection against the disease but does not reduce viral loads in the upper respiratory tract.
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Affiliation(s)
- R A Zegpi
- Department of Pathobiology, Auburn University College of Veterinary Medicine, Auburn, AL 36830
| | - L He
- United States Department of Agriculture, Agricultural Research Service, United States National Poultry Research Center Athens, GA 30605
| | - Q Yu
- United States Department of Agriculture, Agricultural Research Service, United States National Poultry Research Center Athens, GA 30605
| | - K S Joiner
- Department of Pathobiology, Auburn University College of Veterinary Medicine, Auburn, AL 36830
| | - V L van Santen
- Department of Pathobiology, Auburn University College of Veterinary Medicine, Auburn, AL 36830
| | - H Toro
- Department of Pathobiology, Auburn University College of Veterinary Medicine, Auburn, AL 36830,
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18
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Bello MB, Mahamud SNA, Yusoff K, Ideris A, Hair-Bejo M, Peeters BPH, Omar AR. Development of an Effective and Stable Genotype-Matched Live Attenuated Newcastle Disease Virus Vaccine Based on a Novel Naturally Recombinant Malaysian Isolate Using Reverse Genetics. Vaccines (Basel) 2020; 8:vaccines8020270. [PMID: 32498342 PMCID: PMC7349954 DOI: 10.3390/vaccines8020270] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2020] [Revised: 04/28/2020] [Accepted: 05/08/2020] [Indexed: 12/14/2022] Open
Abstract
Genotype VII Newcastle disease viruses are associated with huge economic losses in the global poultry industry. Despite the intensive applications of vaccines, disease outbreaks caused by those viruses continue to occur frequently even among the vaccinated poultry farms. An important factor in the suboptimal protective efficacy of the current vaccines is the genetic mismatch between the prevalent strains and the vaccine strains. Therefore, in the present study, an effective and stable genotype-matched live attenuated Newcastle disease virus (NDV) vaccine was developed using reverse genetics, based on a recently isolated virulent naturally recombinant NDV IBS025/13 Malaysian strain. First of all, the sequence encoding the fusion protein (F) cleavage site of the virus was modified in silico from virulent polybasic (RRQKRF) to avirulent monobasic (GRQGRL) motif. The entire modified sequence was then chemically synthesized and inserted into pOLTV5 transcription vector for virus rescue. A recombinant virus termed mIBS025 was successfully recovered and shown to be highly attenuated based on OIE recommended pathogenicity assessment indices. Furthermore, the virus was shown to remain stably attenuated and retain the avirulent monobasic F cleavage site after 15 consecutive passages in specific-pathogen-free embryonated eggs and 12 passages in one-day-old chicks. More so, the recombinant virus induced a significantly higher hemagglutination inhibition antibody titre than LaSota although both vaccines fully protected chicken against genotype VII NDV induced mortality and morbidity. Finally, mIBS025 was shown to significantly reduce both the duration and quantity of cloacal and oropharyngeal shedding of the challenged genotype VII virus compared to the LaSota vaccine. These findings collectively indicate that mIBS025 provides a better protective efficacy than LaSota and therefore can be used as a promising vaccine candidate against genotype VII NDV strains.
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Affiliation(s)
- Muhammad Bashir Bello
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, University Putra Malaysia, Serdang, Selangor 43400, Malaysia; (M.B.B.); (S.N.A.M.); (K.Y.); (A.I.); (M.H.-B.)
- Department of Veterinary Microbiology, Faculty of Veterinary Medicine, Usmanu Danfodiyo University PMB 2346 Sokoto, Nigeria
- Center for Advanced Medical Research and Training, Usmanu Danfodiyo University, PMB 2346 Sokoto, Nigeria
| | - Siti Nor Azizah Mahamud
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, University Putra Malaysia, Serdang, Selangor 43400, Malaysia; (M.B.B.); (S.N.A.M.); (K.Y.); (A.I.); (M.H.-B.)
| | - Khatijah Yusoff
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, University Putra Malaysia, Serdang, Selangor 43400, Malaysia; (M.B.B.); (S.N.A.M.); (K.Y.); (A.I.); (M.H.-B.)
- Department of Microbiology, Faculty of Biotechnology and Biomolecular Sciences, Universiti Putra Malaysia, Serdang, Selangor 43400, Malaysia
| | - Aini Ideris
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, University Putra Malaysia, Serdang, Selangor 43400, Malaysia; (M.B.B.); (S.N.A.M.); (K.Y.); (A.I.); (M.H.-B.)
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, University Putra Malaysia, Serdang, Selangor 43400, Malaysia
| | - Mohd Hair-Bejo
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, University Putra Malaysia, Serdang, Selangor 43400, Malaysia; (M.B.B.); (S.N.A.M.); (K.Y.); (A.I.); (M.H.-B.)
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, University Putra Malaysia, Serdang, Selangor 43400, Malaysia
| | - Ben P. H. Peeters
- Department of Virology, Wageningen Bioveterinary Research, POB 65, NL8200 Lelystad, The Netherlands;
| | - Abdul Rahman Omar
- Laboratory of Vaccines and Immunotherapeutics, Institute of Bioscience, University Putra Malaysia, Serdang, Selangor 43400, Malaysia; (M.B.B.); (S.N.A.M.); (K.Y.); (A.I.); (M.H.-B.)
- Department of Veterinary Pathology and Microbiology, Faculty of Veterinary Medicine, University Putra Malaysia, Serdang, Selangor 43400, Malaysia
- Correspondence:
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19
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Hu Z, Ni J, Cao Y, Liu X. Newcastle Disease Virus as a Vaccine Vector for 20 Years: A Focus on Maternally Derived Antibody Interference. Vaccines (Basel) 2020; 8:vaccines8020222. [PMID: 32422944 PMCID: PMC7349365 DOI: 10.3390/vaccines8020222] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 04/28/2020] [Accepted: 05/11/2020] [Indexed: 01/08/2023] Open
Abstract
It has been 20 years since Newcastle disease virus (NDV) was first used as a vector. The past two decades have witnessed remarkable progress in vaccine generation based on the NDV vector and optimization of the vector. Protective antigens of a variety of pathogens have been expressed in the NDV vector to generate novel vaccines for animals and humans, highlighting a great potential of NDV as a vaccine vector. More importantly, the research work also unveils a major problem restraining the NDV vector vaccines in poultry, i.e., the interference from maternally derived antibody (MDA). Although many efforts have been taken to overcome MDA interference, a lack of understanding of the mechanism of vaccination inhibition by MDA in poultry still hinders vaccine improvement. In this review, we outline the history of NDV as a vaccine vector by highlighting some milestones. The recent advances in the development of NDV-vectored vaccines or therapeutics for animals and humans are discussed. Particularly, we focus on the mechanisms and hypotheses of vaccination inhibition by MDA and the efforts to circumvent MDA interference with the NDV vector vaccines. Perspectives to fill the gap of understanding concerning the mechanism of MDA interference in poultry and to improve the NDV vector vaccines are also proposed.
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Affiliation(s)
- Zenglei Hu
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
- Institutes of Agricultural Science and Technology Development, Yangzhou University, Yangzhou 225009, China
- Animal Infectious Disease Laboratory, School of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Jie Ni
- Animal Infectious Disease Laboratory, School of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
| | - Yongzhong Cao
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
- Institutes of Agricultural Science and Technology Development, Yangzhou University, Yangzhou 225009, China
| | - Xiufan Liu
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education of China, Yangzhou University, Yangzhou 225009, China
- Institutes of Agricultural Science and Technology Development, Yangzhou University, Yangzhou 225009, China
- Animal Infectious Disease Laboratory, School of Veterinary Medicine, Yangzhou University, Yangzhou 225009, China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou University, Yangzhou 225009, China
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20
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Murr M, Hoffmann B, Grund C, Römer-Oberdörfer A, Mettenleiter TC. A Novel Recombinant Newcastle Disease Virus Vectored DIVA Vaccine against Peste des Petits Ruminants in Goats. Vaccines (Basel) 2020; 8:vaccines8020205. [PMID: 32354145 PMCID: PMC7348985 DOI: 10.3390/vaccines8020205] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/21/2020] [Accepted: 04/24/2020] [Indexed: 02/06/2023] Open
Abstract
Peste des petits ruminants virus (PPRV, species: small ruminant morbillivirus) is the causative agent of the eponymous notifiable disease, the peste des petits ruminants (PPR) in wild and domestic sheep and goats. Mortality rates vary between 50% and 100%, causing significant losses of estimated 1.5 to 2 billion US Dollars per year. Live-attenuated PPRV vaccine strains are used in the field for disease prevention, but the application of a more thermostable vaccine enabling differentiation between infected and vaccinated animals (DIVA) would be highly desirable to achieve the goal of global disease eradication. We generated a recombinant Newcastle disease virus (rNDV) based on the live-attenuated NDV Clone 30 that expresses the surface protein hemagglutinin (H) of PPRV strain Kurdistan/11 (rNDV_HKur). In vitro analyses confirmed transgene expression as well as virus replication in avian, caprine, and ovine cells. Two consecutive subcutaneous vaccinations of German domestic goats with rNDV_HKur prevented clinical signs and hematogenic dissemination after an intranasal challenge with virulent PPRV Kurdistan/11. Virus shedding by different routes was reduced to a similar extent as after vaccination with the live-attenuated PPRV strain Nigeria 75/1. Goats that were either not vaccinated or inoculated with parental rNDV were used as controls. In summary, we demonstrate in a proof-of-concept study that an NDV vectored vaccine can protect against PPR. Furthermore, it provides DIVA-applicability and a high thermal tolerance.
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Affiliation(s)
- Magdalena Murr
- Institute of Molecular Virology and Cell Biology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany
- Correspondence: ; Tel.: +49-38351-7-1629
| | - Bernd Hoffmann
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - Christian Grund
- Institute of Diagnostic Virology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - Angela Römer-Oberdörfer
- Institute of Molecular Virology and Cell Biology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany
| | - Thomas C. Mettenleiter
- Institute of Molecular Virology and Cell Biology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Südufer 10, 17493 Greifswald-Insel Riems, Germany
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21
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He L, Zhang Z, Yu Q. Expression of Two Foreign Genes by a Newcastle Disease Virus Vector From the Optimal Insertion Sites through a Combination of the ITU and IRES-Dependent Expression Approaches. Front Microbiol 2020; 11:769. [PMID: 32411112 PMCID: PMC7198723 DOI: 10.3389/fmicb.2020.00769] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Accepted: 03/31/2020] [Indexed: 01/10/2023] Open
Abstract
Many Newcastle disease virus (NDV) strains have been developed as vectors to express a foreign gene (FG) for vaccine and cancer therapy purposes. The non-coding region between the phosphoprotein (P) and matrix protein (M) genes and the non-coding region behind the NP gene open reading frame (ORF) in the NDV genome have been identified as the optimal insertion sites for efficient FG expression through the independent transcription unit (ITU) and the internal ribosomal entry site (IRES) dependent expression approaches, respectively. To date, however, the majority of these NDV vectors express only a single or two FGs from suboptimal insertion sites in the NDV genome, obtaining various levels of FG expression. To improve the FG expression, we generated NDV LaSota vaccine strain-based recombinant viruses expressing two FGs, GFP, and RFP, from the identified optimal insertion sites through a combination of the ITU and IRES-dependent approaches. Biological assessments of the recombinant viruses indicated that the recombinants expressing two FGs were slightly attenuated with approximately one order of magnitude lower in virus titers when compared to the viruses containing a single FG. The FG expression efficiencies from the two-FG viruses were also lower than those from the single-FG viruses. However, the expression of two FGs from the optimal insertion sites was significantly (p < 0.05) higher than those from the suboptimal insertion sites. The expressions of FGs as monocistronic ITU were approximately 4-fold more efficient than those expressed by the bicistronic IRES-dependent approach. These results suggest that the NDV LaSota vector could efficiently express two FGs from the identified optimal insertions sites. The ITU strategy could be used for “vectoring” FGs in circumstances where high expression of gene products (e.g., antigens) is warranted, whereas, the IRES-dependent tactic might be useful when lower amounts of IRES-directed FG products are needed.
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Affiliation(s)
- Lei He
- The Key Lab of Animal Disease and Public Health, Henan University of Science and Technology, Luoyang, Henan, China.,Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA, United States
| | - Zhenyu Zhang
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA, United States
| | - Qingzhong Yu
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, Athens, GA, United States
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22
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Ogonczyk Makowska D, Hamelin MÈ, Boivin G. Engineering of Live Chimeric Vaccines against Human Metapneumovirus. Pathogens 2020; 9:E135. [PMID: 32093057 PMCID: PMC7168645 DOI: 10.3390/pathogens9020135] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 02/12/2020] [Accepted: 02/14/2020] [Indexed: 02/07/2023] Open
Abstract
Human metapneumovirus (HMPV) is an important human pathogen that, along with respiratory syncytial virus (RSV), is a major cause of respiratory tract infections in young infants. Development of an effective vaccine against Pneumoviruses has proven to be particularly difficult; despite over 50 years of research in this field, no vaccine against HMPV or RSV is currently available. Recombinant chimeric viruses expressing antigens of other viruses can be generated by reverse genetics and used for simultaneous immunization against more than one pathogen. This approach can result in the development of promising vaccine candidates against HMPV, and several studies have indeed validated viral vectors expressing HMPV antigens. In this review, we summarize current efforts in generating recombinant chimeric vaccines against HMPV, and we discuss their potential optimization based on the correspondence with RSV studies.
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Affiliation(s)
| | | | - Guy Boivin
- Centre de Recherche en Infectiologie of the Centre Hospitalier Universitaire de Québec and Université Laval, Québec, QC G1V 4G2, Canada; (D.O.M.); (M.-È.H.)
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Yu Q, Li Y, Dimitrov K, Afonso CL, Spatz S, Zsak L. Genetic stability of a Newcastle disease virus vectored infectious laryngotracheitis virus vaccine after serial passages in chicken embryos. Vaccine 2019; 38:925-932. [PMID: 31703935 DOI: 10.1016/j.vaccine.2019.10.074] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 10/17/2019] [Accepted: 10/25/2019] [Indexed: 10/25/2022]
Abstract
Previously, we have demonstrated that the recombinant Newcastle disease virus (NDV) expressing the infectious laryngotracheitis virus (ILTV) glycoprotein D (gD) conferred protection against both virulent NDV and ILTV challenges in chickens. In this study, we evaluated the genetic stability of the recombinant vaccine after eight serial passages in embryonated chicken eggs (ECE). The vaccine master seed virus at the original egg-passage level 3 (EP3) was diluted and passaged in three separate repetitions (A, B and C) in ECE eight times (EP4 to EP11). RT-PCR analysis of the vaccine seed and egg-passaged virus stocks showed that there was no detectable insertion/deletion in the ILTV gD insert region. Next-generation sequencing analysis of the EP3 and EP11 virus stocks confirmed their genome integrity and revealed a total of thirteen single-nucleotide polymorphisms (SNPs). However, none of these SNPs were located in the ILTV gD insert or any of the known critical biological determinant positions. Virological and immunofluorescent assays provided additional evidence that the EP11 virus stocks retained their growth kinetics, low pathogenicity, and robust level of gD expression comparable to that of the vaccine master seed virus. This indicated that the SNPs were non-detrimental sporadic mutations. These results demonstrated that the insertion of ILTV gD gene into the NDV LaSota backbone did not significantly affect the genetic stability of the recombinant virus and that the rLS/ILTV-gD virus is a safe and genetically stable vaccine candidate after at least eight serial passages in ECE.
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Affiliation(s)
- Qingzhong Yu
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA.
| | - Yufeng Li
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Kiril Dimitrov
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Claudio L Afonso
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Stephen Spatz
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Laszlo Zsak
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Service, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
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Hu H, Roth JP, Yu Q. Generation of a recombinant Newcastle disease virus expressing two foreign genes for use as a multivalent vaccine and gene therapy vector. Vaccine 2018; 36:4846-4850. [PMID: 30037477 DOI: 10.1016/j.vaccine.2018.06.055] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 06/20/2018] [Accepted: 06/23/2018] [Indexed: 11/29/2022]
Abstract
Newcastle disease virus (NDV) has been used as a vector in the development of vaccines and gene therapy. A majority of these NDV vectors express only a single foreign gene through either an independent transcription unit (ITU) or an internal ribosomal entry site (IRES). In the present study, we combined the ITU and IRES methods to generate a novel NDV LaSota strain-based recombinant virus vectoring the red fluorescence protein (RFP) and the green fluorescence protein (GFP) genes. Biological assessments of the recombinant virus, rLS/IRES-RFP/GFP, showed that it was slightly attenuated in vivo, yet maintained similar growth dynamics and viral yields in vitro when compared to the parental LaSota virus. Expression of both the RFP and GFP was detected from the rLS/IRES-RFP/GFP virus-infected DF-1 cells by fluorescence microscopy. These data suggest that the rLS/IRES-RFP/GFP virus may be used as a multivalent vector for the development of vaccines and gene therapy agents.
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Affiliation(s)
- Haixia Hu
- College of Animal Science and Technology, Southwest University, Chongqing 400715, China; Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Jason P Roth
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Qingzhong Yu
- Southeast Poultry Research Laboratory, US National Poultry Research Center, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA.
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25
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Eldemery F, Li Y, Yu Q, van Santen VL, Toro H. Infectious Bronchitis Virus S2 of 4/91 Expressed from Recombinant Virus Does Not Protect Against Ark-Type Challenge. Avian Dis 2018; 61:397-401. [PMID: 28957002 DOI: 10.1637/11632-032017-resnoter] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We previously demonstrated that chickens primed with a recombinant Newcastle disease virus LaSota (rLS) expressing the S2 gene of infectious bronchitis virus (IBV) and boosted with an attenuated IBV Massachusetts (Mass)-type vaccine were protected against IBV Arkansas (Ark)-type virulent challenge. A possible basis for the reported ability of IBV 4/91 (serotype 793/B) vaccine to protect against divergent IBV strains (e.g., QX, Q1, and D1466) in a prime-boost approach with an IBV Mass vaccine is that an immune response against the S2 protein of IBV 4/91 is cross-protective. Therefore, we evaluated the protective capabilities of the S2 protein of IBV 4/91 expressed from rLS. The level of S2 amino acid sequence identity between 4/91 and the Ark challenge strain used in this study (90.7%) is within the range of S2 amino acid sequence identities between 4/91 and Q1 (91%-94%) and QX (89%-94%) strains. Chickens primed with attenuated Mass IBV at 1 day of age and boosted with rLS/IBV.S2-4/91 at 14 days of age were challenged with a virulent Ark IBV strain at 28 days of age. Protection (reduction of clinical signs and viral loads) assessed 5 days postchallenge showed nonsignificant differences between chickens primed with Mass vaccine and boosted with rLS/IBV.S2-4/91 and chickens vaccinated with Mass only. Thus, the observed level of protection is attributable only to the effect of the Mass vaccine, indicating that the S2 of IBV 4/91 does not induce broad cross-protective immunity.
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Affiliation(s)
- Fatma Eldemery
- A Department of Pathobiology, College of Veterinary Medicine, Auburn University, 264 Greene Hall, Auburn, AL 36849.,B Department of Hygiene and Zoonoses, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt 35516
| | - Yufeng Li
- C United States Department of Agriculture, Southeast Poultry Research Laboratory, 934 College Station Road, Athens, GA 30605
| | - Qingzhong Yu
- C United States Department of Agriculture, Southeast Poultry Research Laboratory, 934 College Station Road, Athens, GA 30605
| | - Vicky L van Santen
- A Department of Pathobiology, College of Veterinary Medicine, Auburn University, 264 Greene Hall, Auburn, AL 36849
| | - Haroldo Toro
- A Department of Pathobiology, College of Veterinary Medicine, Auburn University, 264 Greene Hall, Auburn, AL 36849
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Dey S, Chellappa MM, Pathak DC, Gaikwad S, Yadav K, Ramakrishnan S, Vakharia VN. Newcastle Disease Virus Vectored Bivalent Vaccine against Virulent Infectious Bursal Disease and Newcastle Disease of Chickens. Vaccines (Basel) 2017; 5:vaccines5040031. [PMID: 28954433 PMCID: PMC5748598 DOI: 10.3390/vaccines5040031] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 09/13/2017] [Accepted: 09/22/2017] [Indexed: 12/12/2022] Open
Abstract
Newcastle disease virus (NDV) strain F is a lentogenic vaccine strain used for primary vaccination in day-old chickens against Newcastle disease (ND) in India and Southeast Asian countries. Recombinant NDV-F virus and another recombinant NDV harboring the major capsid protein VP2 gene of a very virulent infectious bursal disease virus (IBDV); namely rNDV-F and rNDV-F/VP2, respectively, were generated using the NDV F strain. The rNDV-F/VP2 virus was slightly attenuated, as compared to the rNDV-F virus, as evidenced from the mean death time and intracerebral pathogenicity index analysis. This result indicates that rNDV-F/VP2 behaves as a lentogenic virus and it is stable even after 10 serial passages in embryonated chicken eggs. When chickens were vaccinated with the rNDV F/VP2, it induced both humoral and cell mediated immunity, and was able to confer complete protection against very virulent IBDV challenge and 80% protection against virulent NDV challenge. These results suggest that rNDV-F could be an effective and inherently safe vaccine vector. Here, we demonstrate that a bivalent NDV-IBDV vaccine candidate generated by reverse genetics method is safe, efficacious and cost-effective, which will greatly aid the poultry industry in developing countries.
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Affiliation(s)
- Sohini Dey
- Recombinant DNA Laboratory, Division of Veterinary Biotechnology, Indian Veterinary Research Institute, Izatnagar 243 122, UP, India.
| | - Madhan Mohan Chellappa
- Recombinant DNA Laboratory, Division of Veterinary Biotechnology, Indian Veterinary Research Institute, Izatnagar 243 122, UP, India.
| | - Dinesh C Pathak
- Recombinant DNA Laboratory, Division of Veterinary Biotechnology, Indian Veterinary Research Institute, Izatnagar 243 122, UP, India.
| | - Satish Gaikwad
- Recombinant DNA Laboratory, Division of Veterinary Biotechnology, Indian Veterinary Research Institute, Izatnagar 243 122, UP, India.
| | - Kalpana Yadav
- Recombinant DNA Laboratory, Division of Veterinary Biotechnology, Indian Veterinary Research Institute, Izatnagar 243 122, UP, India.
| | | | - Vikram N Vakharia
- Institute of Marine and Environmental Technology, University of Maryland Baltimore County, Baltimore, MD 21202, USA.
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Choi KS. Newcastle disease virus vectored vaccines as bivalent or antigen delivery vaccines. Clin Exp Vaccine Res 2017; 6:72-82. [PMID: 28775971 PMCID: PMC5540967 DOI: 10.7774/cevr.2017.6.2.72] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Revised: 04/27/2017] [Accepted: 05/10/2017] [Indexed: 01/03/2023] Open
Abstract
Recent advances in reverse genetics techniques make it possible to manipulate the genome of RNA viruses such as Newcastle disease virus (NDV). Several NDV vaccine strains have been used as vaccine vectors in poultry, mammals, and humans to express antigens of different pathogens. The safety, immunogenicity, and protective efficacy of these NDV-vectored vaccines have been evaluated in pre-clinical and clinical studies. The vaccines are safe in mammals, humans, and poultry. Bivalent NDV-vectored vaccines against pathogens of economic importance to the poultry industry have been developed. These bivalent vaccines confer solid protective immunity against NDV and other foreign antigens. In most cases, NDV-vectored vaccines induce strong local and systemic immune responses against the target foreign antigen. This review summarizes the development of NDV-vectored vaccines and their potential use as a base for designing other effective vaccines for veterinary and human use.
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Affiliation(s)
- Kang-Seuk Choi
- OIE Reference Laboratory for Newcastle Disease, Avian Disease Research Division, Animal and Plant Quarantine Agency, Gimcheon, Korea
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28
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Engineered Newcastle disease virus expressing the F and G proteins of AMPV-C confers protection against challenges in turkeys. Sci Rep 2017. [PMID: 28642611 PMCID: PMC5481403 DOI: 10.1038/s41598-017-04267-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Avian metapneumovirus (AMPV) infects the respiratory and reproductive tracts of domestic poultry, resulting in substantial economic losses for producers. Live attenuated vaccines appear to be the most effective in countries where the disease is prevalent. However, reversion to virulence has been demonstrated in several studies. Therefore, the development of a stable and safe next generation vaccine against the AMPV disease is needed. In the present study, we generated a recombinant Newcastle disease virus (NDV) vectoring the fusion (F) protein and glycoprotein (G) genes of AMPV subtype-C (AMPV-C) as a bivalent vaccine candidate using reverse genetics technology. The recombinant virus, rLS/AMPV-C F&G, was slightly attenuated in vivo, yet maintained similar characteristics in vitro when compared to the parental LaSota virus. Vaccination of turkeys with rLS/AMPV-C F&G induced both AMPV-C and NDV-specific antibody responses, and provided significant protection against pathogenic AMPV-C challenge and complete protection against velogenic NDV challenge. These results suggest that the rLS/AMPV-C F&G recombinant virus is a safe and effective bivalent vaccine candidate and that the expression of both F and G proteins of AMPV-C induces a protective response against the AMPV-C disease.
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Abstract
Reverse genetics allows for the generation of recombinant viruses or vectors used in functional studies, vaccine development, and gene therapy. This technique enables genetic manipulation and cloning of viral genomes, gene mutation through site-directed mutagenesis, along with gene insertion or deletion, among other studies. An in vitro infection-based system including the highly attenuated vaccinia virus Ankara strain expressing the T7 RNA polymerase from bacteriophage T7, with co-transfection of three helper plasmids and a full-length cDNA plasmid, was successfully developed to rescue genetically modified Newcastle disease viruses in 1999. In this chapter, the materials and the methods involved in rescuing Newcastle disease virus (NDV) from cDNA, utilizing site-directed mutagenesis and gene replacement techniques, are described in detail.
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Affiliation(s)
- Daniel R. Perez
- Department of Population Health, Poultry Diagnostic and Research Center, College of Veterinary Medicine, University of Georgia, Athens, Georgia USA
| | - Claudio L Afonso
- Southeast Poultry Research Laboratory, United States Department of Agriculture, 934 College Station Rd, Athens, GA, 30605, USA.
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Molouki A, Peeters B. Rescue of recombinant Newcastle disease virus: a short history of how it all started. Arch Virol 2017; 162:1845-1854. [PMID: 28316014 DOI: 10.1007/s00705-017-3308-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Accepted: 02/16/2017] [Indexed: 01/24/2023]
Abstract
Reverse genetics of viruses has come a long way, and many recombinant viruses have been generated since the first successful "rescues" were reported in the late 1970s. Recombinant Newcastle disease virus (rNDV), a non-segmented negative-sense RNA virus (NSNSV), was first rescued in 1999 using a reverse genetics approach similar to that reported for other recombinant viruses of the order Mononegavirales a few years before. The route from an original NDV isolate to the generation of its recombinant counterpart requires many steps that have to be sequentially and carefully completed. Background knowledge of each of these steps is essential because it allows one to make the best choices for fulfilling the specific requirements of the final recombinant virus. We have previously reviewed the latest strategies in cloning the NDV full-length cDNA into transcription vectors and the use of different RNA polymerase systems for the generation of viral RNA from plasmid DNA. In this article, we review a number of discoveries on the mechanism of transcription and replication of NDV, including a brief history behind the discovery of its RNP complex. This includes the generation of artificial and functional RNP constructs, in combination with the smart use of available knowledge and technologies that ultimately resulted in rescue of the first rNDV.
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Affiliation(s)
- Aidin Molouki
- Department of Avian Disease Research and Diagnostic, Razi Vaccine and Serum Research Institute, Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran.
| | - Ben Peeters
- Department of Virology, Wageningen Bioveterinary Research, PO Box 65, 8200 AB, Lelystad, The Netherlands
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A Reverse Genetics Approach for the Design of Methyltransferase-Defective Live Attenuated Avian Metapneumovirus Vaccines. Methods Mol Biol 2016. [PMID: 27076293 DOI: 10.1007/978-1-4939-3389-1_7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
Avian metapneumovirus (aMPV), also known as avian pneumovirus or turkey rhinotracheitis virus, is the causative agent of turkey rhinotracheitis and is associated with swollen head syndrome in chickens. aMPV belongs to the family Paramyxoviridae which includes many important human pathogens such as human respiratory syncytial virus (RSV), human metapneumovirus (hMPV), and human parainfluenza virus type 3 (PIV3). The family also includes highly lethal emerging pathogens such as Nipah virus and Hendra virus, as well as agriculturally important viruses such as Newcastle disease virus (NDV). For many of these viruses, there is no effective vaccine. Here, we describe a reverse genetics approach to develop live attenuated aMPV vaccines by inhibiting the viral mRNA cap methyltransferase. The viral mRNA cap methyltransferase is an excellent target for the attenuation of paramyxoviruses because it plays essential roles in mRNA stability, efficient viral protein translation and innate immunity. We have described in detail the materials and methods used to generate recombinant aMPVs that lack viral mRNA cap methyltransferase activity. We have also provided methods to evaluate the genetic stability, pathogenesis, and immunogenicity of live aMPV vaccine candidates in turkeys.
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Yun B, Zhang Y, Liu Y, Guan X, Wang Y, Qi X, Cui H, Liu C, Zhang Y, Gao H, Gao L, Li K, Gao Y, Wang X. TMPRSS12 Is an Activating Protease for Subtype B Avian Metapneumovirus. J Virol 2016; 90:11231-11246. [PMID: 27707927 PMCID: PMC5126379 DOI: 10.1128/jvi.01567-16] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2016] [Accepted: 09/29/2016] [Indexed: 12/28/2022] Open
Abstract
The entry of avian metapneumovirus (aMPV) into host cells initially requires the fusion of viral and cell membranes, which is exclusively mediated by fusion (F) protein. Proteolysis of aMPV F protein by endogenous proteases of host cells allows F protein to induce membrane fusion; however, these proteases have not been identified. Here, we provide the first evidence that the transmembrane serine protease TMPRSS12 facilitates the cleavage of subtype B aMPV (aMPV/B) F protein. We found that overexpression of TMPRSS12 enhanced aMPV/B F protein cleavage, F protein fusogenicity, and viral replication. Subsequently, knockdown of TMPRSS12 with specific small interfering RNAs (siRNAs) reduced aMPV/B F protein cleavage, F protein fusogenicity, and viral replication. We also found a cleavage motif in the aMPV/B F protein (amino acids 100 and 101) that was recognized by TMPRSS12. The histidine, aspartic acid, and serine residue (HDS) triad of TMPRSS12 was shown to be essential for the proteolysis of aMPV/B F protein via mutation analysis. Notably, we observed TMPRSS12 mRNA expression in target organs of aMPV/B in chickens. Overall, our results indicate that TMPRSS12 is crucial for aMPV/B F protein proteolysis and aMPV/B infectivity and that TMPRSS12 may serve as a target for novel therapeutics and prophylactics for aMPV. IMPORTANCE Proteolysis of the aMPV F protein is a prerequisite for F protein-mediated membrane fusion of virus and cell and for aMPV infection; however, the proteases used in vitro and vivo are not clear. A combination of analyses, including overexpression, knockdown, and mutation methods, demonstrated that the transmembrane serine protease TMPRSS12 facilitated cleavage of subtype B aMPV (aMPV/B) F protein. Importantly, we located the motif in the aMPV/B F protein recognized by TMPRSS12 and the catalytic triad in TMPRSS12 that facilitated proteolysis of the aMPV/B F protein. This is the first report on TMPRSS12 as a protease for proteolysis of viral envelope glycoproteins. Our study will shed light on the mechanism of proteolysis of aMPV F protein and pathogenesis of aMPV.
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Affiliation(s)
- Bingling Yun
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
| | - Yao Zhang
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
| | - Yongzhen Liu
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
| | - Xiaolu Guan
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
| | - Yongqiang Wang
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
| | - Xiaole Qi
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
| | - Hongyu Cui
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
| | - Changjun Liu
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
| | - Yanping Zhang
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
| | - Honglei Gao
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
| | - Li Gao
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
| | - Kai Li
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
| | - Yulong Gao
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
| | - Xiaomei Wang
- Division of Avian Infectious Diseases, State Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Nan Gang District, Harbin, Heilongjiang Province, People's Republic of China
- Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Disease and Zoonoses, Yangzhou, People's Republic of China
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Molouki A, Peeters B. Rescue of recombinant Newcastle disease virus: current cloning strategies and RNA polymerase provision systems. Arch Virol 2016; 162:1-12. [PMID: 27695950 DOI: 10.1007/s00705-016-3065-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2016] [Accepted: 09/12/2016] [Indexed: 01/08/2023]
Abstract
Since the first rescue of a recombinant Newcastle disease virus (rNDV) in the late 1990s, many more rNDVs have been rescued by researchers around the world. Regardless of methodology, the main principle behind rescue of the virus has remained the same, i.e., the formation of a functional replication complex by simultaneously providing the full-length viral RNA and the viral NP, P and L proteins. However, different strategies have been reported for the insertion of the full-length genome into a suitable transcription vector, which remains the most challenging step of the rescue. Moreover, several systems have been published for provision of the DNA-dependent RNA polymerase, which is needed for transcription of viral RNA (vRNA) from the transfected plasmid DNA. The aim of this article is to consolidate all of the current cDNA assembly strategies and transcription systems used in rescue of rNDV in order to attain a better understanding of the advantages and disadvantages of each approach.
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Affiliation(s)
- Aidin Molouki
- Department of Avian Disease Research and Diagnostic, Razi Vaccine and Serum Research Institute, Karaj, Iran. .,Reproductive Biotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran.
| | - Ben Peeters
- Department of Virology, Wageningen Bioveterinary Research, PO Box 65, 8200 AB, Lelystad, The Netherlands
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34
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Molecular basis for the thermostability of Newcastle disease virus. Sci Rep 2016; 6:22492. [PMID: 26935738 PMCID: PMC4776148 DOI: 10.1038/srep22492] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2015] [Accepted: 02/16/2016] [Indexed: 12/15/2022] Open
Abstract
Thermostable Newcastle disease virus (NDV) vaccines have been used widely to protect village chickens against Newcastle disease, due to their decreased dependence on cold chain for transport and storage. However, the genetic basis underlying the NDV thermostability is poorly understood. In this study, we generated chimeric viruses by exchanging viral genes between the thermostable TS09-C strain and thermolabile LaSota strain using reverse genetics technology. Evaluations of these chimeric NDVs demonstrated that the thermostability of NDV was dependent on the origin of HN protein. Chimeras bearing the HN protein derived from thermostable virus exhibited a thermostable phenotype, and vice versa. Both hemagglutinin and neuraminidase activities of viruses bearing the TS09-C HN protein were more thermostable than those containing LaSota HN protein. Furthermore, the newly developed thermostable virus rLS-T-HN, encoding the TS09-C HN protein in LaSota backbone, induced significantly higher antibody response than the TS09-C virus, and conferred complete protection against virulent NDV challenge. Taken together, the data suggest that the HN protein of NDV is a crucial determinant of thermostability, and the HN gene from a thermostable NDV could be engineered into a thermolabile NDV vaccine strain for developing novel thermostable NDV vaccine.
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35
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Zhang Z, Zhao W, Li D, Yang J, Zsak L, Yu Q. Development of a Newcastle disease virus vector expressing a foreign gene through an internal ribosomal entry site provides direct proof for a sequential transcription mechanism. J Gen Virol 2015; 96:2028-2035. [DOI: 10.1099/vir.0.000142] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Zhenyu Zhang
- College of Life Sciences, Northeast Agricultural University, Harbin, Heilongjiang 150030, PR China
- United States Department of Agriculture, U.S. National Poultry Research Center, Agricultural Research Services, 934 College Station Road, Athens, GA, 30605, USA
| | - Wei Zhao
- United States Department of Agriculture, U.S. National Poultry Research Center, Agricultural Research Services, 934 College Station Road, Athens, GA, 30605, USA
- Beijing Centre for Disease Control and Prevention, Beijing 100013, PR China
| | - Deshan Li
- College of Life Sciences, Northeast Agricultural University, Harbin, Heilongjiang 150030, PR China
| | - Jinlong Yang
- United States Department of Agriculture, U.S. National Poultry Research Center, Agricultural Research Services, 934 College Station Road, Athens, GA, 30605, USA
- Chongqing Academy of Animal Sciences, Chongqing 402460, PR China
| | - Laszlo Zsak
- United States Department of Agriculture, U.S. National Poultry Research Center, Agricultural Research Services, 934 College Station Road, Athens, GA, 30605, USA
| | - Qingzhong Yu
- United States Department of Agriculture, U.S. National Poultry Research Center, Agricultural Research Services, 934 College Station Road, Athens, GA, 30605, USA
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Wen G, Chen C, Guo J, Zhang Z, Shang Y, Shao H, Luo Q, Yang J, Wang H, Wang H, Zhang T, Zhang R, Cheng G, Yu Q. Development of a novel thermostable Newcastle disease virus vaccine vector for expression of a heterologous gene. J Gen Virol 2015; 96:1219-1228. [DOI: 10.1099/vir.0.000067] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2014] [Accepted: 01/20/2015] [Indexed: 11/18/2022] Open
Affiliation(s)
- Guoyuan Wen
- Hubei Key Laboratory of Animal Embryo and Molecular Breeding, Wuhan 430070, PR China
- Southeast Poultry Research Laboratory, Agricultural Research Services, US Department of Agriculture, Athens, GA 30605, USA
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430070, PR China
| | - Chen Chen
- Veterinary Pathology Laboratory, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430070, PR China
| | - Jing Guo
- Veterinary Pathology Laboratory, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430070, PR China
| | - Zhenyu Zhang
- Southeast Poultry Research Laboratory, Agricultural Research Services, US Department of Agriculture, Athens, GA 30605, USA
| | - Yu Shang
- Veterinary Pathology Laboratory, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430070, PR China
| | - Huabin Shao
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430070, PR China
| | - Qingping Luo
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430070, PR China
| | - Jun Yang
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430070, PR China
| | - Hongling Wang
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430070, PR China
| | - Hongcai Wang
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430070, PR China
| | - Tengfei Zhang
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430070, PR China
| | - Rongrong Zhang
- Institute of Animal Husbandry and Veterinary Sciences, Hubei Academy of Agricultural Sciences, Wuhan 430070, PR China
| | - Guofu Cheng
- Veterinary Pathology Laboratory, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Qingzhong Yu
- Southeast Poultry Research Laboratory, Agricultural Research Services, US Department of Agriculture, Athens, GA 30605, USA
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Cardenas-Garcia S, Diel DG, Susta L, Lucio-Decanini E, Yu Q, Brown CC, Miller PJ, Afonso CL. Development of an improved vaccine evaluation protocol to compare the efficacy of Newcastle disease vaccines. Biologicals 2015; 43:136-45. [DOI: 10.1016/j.biologicals.2014.11.003] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Revised: 11/07/2014] [Accepted: 11/09/2014] [Indexed: 10/24/2022] Open
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Liu MM, Cheng JL, Yu XH, Qin ZM, Tian FL, Zhang GZ. Generation by reverse genetics of an effective attenuated Newcastle disease virus vaccine based on a prevalent highly virulent Chinese strain. Biotechnol Lett 2015; 37:1287-96. [DOI: 10.1007/s10529-015-1799-z] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2015] [Accepted: 02/17/2015] [Indexed: 10/23/2022]
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39
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Zhao W, Zhang Z, Zsak L, Yu Q. P and M gene junction is the optimal insertion site in Newcastle disease virus vaccine vector for foreign gene expression. J Gen Virol 2014; 96:40-45. [PMID: 25274858 DOI: 10.1099/vir.0.068437-0] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Newcastle disease virus (NDV) has been developed as a vector for vaccine and gene therapy purposes. However, the optimal insertion site for foreign gene expression remained to be determined. In the present study, we inserted the green fluorescence protein (GFP) gene into five different intergenic regions of the enterotropic NDV VG/GA vaccine strain using reverse genetics technology. The rescued recombinant viruses retained lentogenic pathotype and displayed delayed growth dynamics, particularly when the GFP gene was inserted between the NP and P genes of the virus. The GFP mRNA level was most abundant when the gene was inserted closer to the 3' end and gradually decreased as the gene was inserted closer to the 5' end. Measurement of the GFP fluorescence intensity in recombinant virus-infected cells demonstrated that the non-coding region between the P and M genes is the optimal insertion site for foreign gene expression in the VG/GA vaccine vector.
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Affiliation(s)
- Wei Zhao
- Beijing Centre for Disease Control and Prevention, Beijing 100013, PR China.,Southeast Poultry Research Laboratory, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Zhenyu Zhang
- College of Life Sciences, Northeast Agricultural University, Harbin, Heilongjiang 150030, PR China.,Southeast Poultry Research Laboratory, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Laszlo Zsak
- Southeast Poultry Research Laboratory, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
| | - Qingzhong Yu
- Southeast Poultry Research Laboratory, Agricultural Research Services, United States Department of Agriculture, 934 College Station Road, Athens, GA 30605, USA
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Zhao W, Spatz S, Zhang Z, Wen G, Garcia M, Zsak L, Yu Q. Newcastle disease virus (NDV) recombinants expressing infectious laryngotracheitis virus (ILTV) glycoproteins gB and gD protect chickens against ILTV and NDV challenges. J Virol 2014; 88:8397-406. [PMID: 24829337 PMCID: PMC4135966 DOI: 10.1128/jvi.01321-14] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2014] [Accepted: 05/07/2014] [Indexed: 12/18/2022] Open
Abstract
UNLABELLED Infectious laryngotracheitis (ILT) is a highly contagious acute respiratory disease of chickens caused by infectious laryngotracheitis virus (ILTV). The disease is controlled mainly through biosecurity and vaccination with live attenuated strains of ILTV and vectored vaccines based on turkey herpesvirus (HVT) and fowlpox virus (FPV). The current live attenuated vaccines (chicken embryo origin [CEO] and tissue culture origin [TCO]), although effective, can regain virulence, whereas HVT- and FPV-vectored ILTV vaccines are less efficacious than live attenuated vaccines. Therefore, there is a pressing need to develop safer and more efficacious ILTV vaccines. In the present study, we generated Newcastle disease virus (NDV) recombinants, based on the LaSota vaccine strain, expressing glycoproteins B (gB) and D (gD) of ILTV using reverse genetics technology. These recombinant viruses, rLS/ILTV-gB and rLS/ILTV-gD, were slightly attenuated in vivo yet retained growth dynamics, stability, and virus titers in vitro that were similar to those of the parental LaSota virus. Expression of ILTV gB and gD proteins in the recombinant virus-infected cells was detected by immunofluorescence assay. Vaccination of specific-pathogen-free chickens with these recombinant viruses conferred significant protection against virulent ILTV and velogenic NDV challenges. Immunization of commercial broilers with rLS/ILTV-gB provided a level of protection against clinical disease similar to that provided by the live attenuated commercial vaccines, with no decrease in body weight gains. The results of the study suggested that the rLS/ILTV-gB and -gD viruses are safe, stable, and effective bivalent vaccines that can be mass administered via aerosol or drinking water to large chicken populations. IMPORTANCE This paper describes the development and evaluation of novel bivalent vaccines against chicken infectious laryngotracheitis (ILT) and Newcastle disease (ND), two of the most economically important infectious diseases of poultry. The current commercial ILT vaccines are either not safe or less effective. Therefore, there is a pressing need to develop safer and more efficacious ILT vaccines. In the present study, we generated Newcastle disease virus (NDV) recombinants expressing glycoproteins B (gB) and D (gD) of infectious laryngotracheitis virus (ILTV) using reverse genetics technology. These recombinant viruses were safe, stable, and immunogenic and replicated efficiently in birds. Vaccination of chickens with these recombinant viruses conferred complete protection against ILTV and NDV challenge. These novel bivalent vaccines can be mass administered via aerosol or drinking water to large chicken populations at low cost, which will have a direct impact on poultry health, fitness, and performance.
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Affiliation(s)
- Wei Zhao
- Southeast Poultry Research Laboratory, Agricultural Research Services, U.S. Department of Agriculture, Athens, Georgia, USA
| | - Stephen Spatz
- Southeast Poultry Research Laboratory, Agricultural Research Services, U.S. Department of Agriculture, Athens, Georgia, USA
| | - Zhenyu Zhang
- Southeast Poultry Research Laboratory, Agricultural Research Services, U.S. Department of Agriculture, Athens, Georgia, USA
| | - Guoyuan Wen
- Southeast Poultry Research Laboratory, Agricultural Research Services, U.S. Department of Agriculture, Athens, Georgia, USA
| | - Maricarmen Garcia
- Poultry Diagnostic and Research Center, Department of Population Health, College of Veterinary Medicine, The University of Georgia, Athens, Georgia, USA
| | - Laszlo Zsak
- Southeast Poultry Research Laboratory, Agricultural Research Services, U.S. Department of Agriculture, Athens, Georgia, USA
| | - Qingzhong Yu
- Southeast Poultry Research Laboratory, Agricultural Research Services, U.S. Department of Agriculture, Athens, Georgia, USA
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Toro H, Zhao W, Breedlove C, Zhang Z, Yu Q, Van Santen V. Infectious bronchitis virus S2 expressed from recombinant virus confers broad protection against challenge. Avian Dis 2014; 58:83-9. [PMID: 24758118 DOI: 10.1637/10641-081613-reg.1] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We developed a recombinant Newcastle disease virus (NDV) LaSota (rLS) expressing the infectious bronchitis virus (IBV) S2 gene (rLS/IBV.S2). The recombinant virus showed somewhat-reduced pathogenicity compared to the parental lentogenic LaSota strain but effectively elicited hemagglutination inhibition antibodies against NDV and protected chickens against lethal challenge with virulent NDV/CA02. IBV heterotypic protection was assessed using a prime-boost approach with a commercially available attenuated IBV Massachusetts (Mass)-type vaccine. Specific-pathogen-free chickens primed ocularly with rLS/IBV.S2 at 4 days of age and boosted with Mass at 18 days of age were completely protected against challenge at 41 days of age with a virulent Ark-type strain. In a second experiment, we compared protection conferred by priming with rLS/IBV.S2 and boosting with Mass (rLS/IBV.S2+Mass) versus priming and boosting with Mass (Mass+Mass). We also modified the timing of vaccination to prime at 1 day of age and boost at 12 days of age. Challenge with virulent Ark was performed at 21 days of age. Based on clinical signs, both vaccinated groups appeared equally protected against challenge compared to unvaccinated challenged chickens. Viral loads in lachrymal fluids of birds receiving rLS/IBV.S2+Mass showed a clear tendency of improved protection compared to Mass+Mass; however, the difference did not achieve statistical significance. A significant difference (P < 0.05) was determined between these groups regarding incidence of detection of challenge IBV RNA in the trachea; viral RNA was detected in 50% of rLS/IBV.S2+Mass-vaccinated chickens while chickens vaccinated with Mass+Mass and unvaccinated challenged controls showed 84 and 90% incidence of IBV RNA detection in the trachea, respectively. These results demonstrate that overexposing the IBV S2 to the chicken immune system by means of a vectored vaccine, followed by boost with whole virus, protects chickens against IBV showing dissimilar S1.
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Zhao W, Hu H, Zsak L, Yu Q, Yang Z. Application of the ligation-independent cloning (LIC) method for rapid construction of a minigenome rescue system for Newcastle disease virus VG/GA strain. Plasmid 2013; 70:314-20. [DOI: 10.1016/j.plasmid.2013.07.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2013] [Revised: 07/18/2013] [Accepted: 07/19/2013] [Indexed: 10/26/2022]
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43
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Zhang X, Liu H, Liu P, Peeters BPH, Zhao C, Kong X. Recovery of avirulent, thermostable Newcastle disease virus strain NDV4-C from cloned cDNA and stable expression of an inserted foreign gene. Arch Virol 2013; 158:2115-20. [DOI: 10.1007/s00705-013-1723-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2013] [Accepted: 04/08/2013] [Indexed: 10/26/2022]
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HN gene C-terminal extension of Newcastle disease virus is not the determinant of the enteric tropism. Virus Genes 2013; 47:27-33. [PMID: 23549884 DOI: 10.1007/s11262-013-0903-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2013] [Accepted: 03/11/2013] [Indexed: 01/22/2023]
Abstract
The hemagglutinin-neuraminidase (HN) protein of Newcastle disease virus (NDV) plays an important role in virus pathogenicity and tissue tropism. Sequence analysis revealed that the HN gene of many asymptomatic enteric NDV strains encodes a larger open reading frame (616 amino acids, aa) with additional 39 aa at its C-terminus when compared with that (577 aa) of respirotropic NDV strains. Therefore, it has been suspected that the HN C-terminal extension may contribute to the enteric tropism. In the present study, we generated a NDV respirotropic strain LaSota-based recombinant virus with a HN C-terminal extension of 39 aa derived from an enterotropic NDV strain using reverse genetics technology. The biological characterization of the recombinant virus, rLS-HN-ex, showed that the HN C-terminal extension slightly attenuated the virus pathogenicity in embryonated eggs and in day-old chicks when compared to the parental LaSota virus. However, the HN C-terminal extension did not alter virus tissue tropism. In infected chickens, the recombinant virus was detected and re-isolated from the tracheal tissue, but not from the intestinal tissue, exhibiting a similar respirotropic tissue preference as its parental LaSota strain. These results demonstrated that the HN protein C-terminal extension of NDV is not the determinant of the virus enteric tropism.
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Influence of antigen insertion site and vector dose on immunogenicity and protective capacity in Sendai virus-based human parainfluenza virus type 3 vaccines. J Virol 2013; 87:5959-69. [PMID: 23514887 DOI: 10.1128/jvi.00227-13] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Recombinant Sendai virus (rSeV) was used as a live, attenuated vaccine vector for intranasal inoculation and mucosal expression of the hemagglutinin-neuraminidase (HN) surface glycoprotein of human parainfluenza virus type 3 (HPIV3). Two vaccine candidates rSeV-HPIV3HN(P-M) and rSeV-HPIV3(F-HN) were constructed in which the HPIV3 HN open reading frame and an additional gene junction was inserted in the P-M and F-HN gene junctions of rSeV, respectively. The rSeV-HPIV3HN(P-M) virus was attenuated compared to rSeV-HPIV3(F-HN) in LLC-MK2 cells, and yet both vaccine candidates grew to similar extents in NHBE cells and in the respiratory tracts of cotton rats. These results suggest that in vitro vector growth in NHBE cells more accurately predicts virus yield in cotton rats than does growth in LLC-MK2 cells. Both vaccine vectors elicited high levels of serum neutralizing antibodies and conferred protection from HPIV3 challenge in cotton rats. Compared to vaccination with a high dose (2,000,000 PFU), intranasal inoculation with a low dose (200 PFU) resulted in a 10-fold decrease in vector growth in the nasal cavity and trachea and a 50-fold decrease in the lungs. However, low-dose vaccination resulted in only modest decreases in anti-HPIV3 antibodies in sera and was sufficient to confer complete protection from HPIV3 challenge. Varying the HPIV3 antigen insertion site and vector dose allowed fine-tuning of the in vivo growth and immunogenicity of rSeV-based vaccines, but all four vaccination strategies tested resulted in complete protection from HPIV3 challenge. These results highlight the versatility of the rSeV platform for developing intranasally administered respiratory virus vaccines.
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Yu Q, Roth JP, Hu H, Estevez CN, Zhao W, Zsak L. Protection by Recombinant Newcastle Disease Viruses (NDV) Expressing the Glycoprotein (G) of Avian Metapneumovirus (aMPV) Subtype A or B against Challenge with Virulent NDV and aMPV. ACTA ACUST UNITED AC 2013. [DOI: 10.4236/wjv.2013.34018] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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47
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Li J, Hu H, Yu Q, Diel DG, Li DS, Miller PJ. Generation and characterization of a recombinant Newcastle disease virus expressing the red fluorescent protein for use in co-infection studies. Virol J 2012; 9:227. [PMID: 23034005 PMCID: PMC3502164 DOI: 10.1186/1743-422x-9-227] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Accepted: 09/26/2012] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Many viruses have evolved multiple strategies to prevent super infection of host cells by more than one virion. This phenomenon, known as super infection exclusion, may play an important role on virus evolution because it can affect the frequency of reassortment and/or recombination. Newcastle disease virus (NDV), a negative sense single-stranded RNA virus, is characterized by its continuous evolutionary dynamics and by a low frequency of recombination events. However, the mechanisms that contribute to the low recombination rates on NDV are still not completely understood. METHODS In this study we assessed the ability of two NDV strains (LaSota and B1) to super infect host cells in vitro. We generated a recombinant NDV strain LaSota expressing the red fluorescent protein (RFP) and used it in co-infection assays with a related NDV strain B1 expressing the green fluorescent protein (GFP). DF-1 cells were inoculated with both viruses at the same time or at different intervals between primary infection and super infection. RESULTS When both viruses were inoculated at the same time point, a 27% co-infection rate was observed, whereas when they were inoculated at different time points the super infection rates decreased to levels as low as 1.4%. CONCLUSIONS These results indicate that although different NDV strains can co-infect host cells in vitro, the super infection rates are low, specially as the time between the primary infection and super infection increases. These results confirm the occurrence of super infection exclusion between different strains of NDV.
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Affiliation(s)
- Jinnan Li
- USDA-ARS, Southeast Poultry Research Laboratory, 934 College Station Road, Athens, GA 30605, USA
- Heilongjiang Fisheries Research Institute, Harbin, 150070, China
| | - Haixia Hu
- USDA-ARS, Southeast Poultry Research Laboratory, 934 College Station Road, Athens, GA 30605, USA
- College of Animal Science and Technology, Southwest University, 2 Tiansheng Road, Chongqing, BeiBei District, 400715, China
| | - Qingzhong Yu
- USDA-ARS, Southeast Poultry Research Laboratory, 934 College Station Road, Athens, GA 30605, USA
| | - Diego G Diel
- USDA-ARS, Southeast Poultry Research Laboratory, 934 College Station Road, Athens, GA 30605, USA
| | - De-shan Li
- College of Life Sciences, Northeast Agriculture University, Harbin, 150030, China
| | - Patti J Miller
- USDA-ARS, Southeast Poultry Research Laboratory, 934 College Station Road, Athens, GA 30605, USA
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