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Esteves PA, Dellagostin OA, da Silva TC, Spilki FR, da Silva AD'Á, Oliveira EAS, Franco AC, Hübner S, Chiminazzo C, Canal CW, Campos FS, Roehe PM. An indirect ELISA to detect antibodies to the gC of bovine alphaherpesvirus 1 (BoAHV1) displaying no crossreactivity with antibodies induced by bovine alphaherpesvirus 5 (BoAHV5). J Virol Methods 2023; 320:114785. [PMID: 37516368 DOI: 10.1016/j.jviromet.2023.114785] [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: 06/13/2023] [Revised: 07/10/2023] [Accepted: 07/25/2023] [Indexed: 07/31/2023]
Abstract
Seroprevalence of bovine alphaherpesvirus type 1 (BoAHV1) infections may be contaminated by crossreactive antibodies to bovine alphaherpesvirus type 5 (BoAHV5). To avoid such crossreactivity, an indirect enzyme-linked immunosorbent assay prepared with a recombinant glycoprotein C (gC) antigen (ELISA-gC1) was developed, aiming the detection of antibodies to BoAHV1, with no crossreactivity with BoAHV5 antibodies. The antigen for the ELISA-gC1 was the product of the expression of 219 bp from the N-terminal portion of the BoAHV1 gC gene, which bears low homology between the two virus types. The test was validated on 131 bovine serum samples, including 26 sera from BoAHV1-experimentally immunized, 38 sera from BoAHV5-experimentally infected or immunized calves, and 67 sera from calves seronegative for both BoAHV1 and BoAHV5, as determined by serum neutralization (SN). When compared to SN for BoAHV1, the ELISA-gC1 presented 100% sensitivity, 95.5 % specificity, 100 % negative predictive value, 89.6 % positive predictive value, 98.8 % precision, and a kappa correlation coefficient (κ) 0.95. None of the 38 BoAHV5-seropositive calves was detected by the ELISA-gC1. The ELISA-gC1 proved highly effective for the identification of BoAHV1-positive sera, with no crossreactivity with anti-BoAHV5 antibodies, thus able to distinguish serological responses from BoAHV1- and BoAHV5-seropositive cattle. Its capacity to detect BoAHV1-specific antibodies should allow the determination of the actual BoAHV1 prevalence in herds, which cannot be serologically determined in countries where BoAHV5 is also prevalent due to antibody crossreactivity. Apart from recognizing exclusively BoAHV1-infected cattle, the ELISA-gC1 may also be used in support of BoAHV5 epidemiological studies by allowing the exclusion of BoAHV1-seropositive animals.
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Affiliation(s)
| | - Odir Antonio Dellagostin
- Centro de Biotecnologia, Universidade Federal de Pelotas (UFPEL), CEP 96010-900, Pelotas RS, Brazil
| | - Tamir Calcagnotto da Silva
- Equipe de Virologia, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Estrada do Conde 6000, CEP 92500-000 Eldorado do Sul, RS, Brazil
| | - Fernando Rosado Spilki
- Universidade FEEVALE, Universidade Feevale, Instituto de Ciências da Saúde, Rodovia ERS-239 no. 2755, Vila Nova, CEP 93525 075 Novo Hamburgo, RS, Brazil
| | | | - Eber Acácio Stodutto Oliveira
- Secretaria da Agricultura, Pecuária e Desenvolvimento Rural, Av. Getúlio Vargas, 1384 - Menino Deus, Porto Alegre CEP 90150-004, RS, Brazil
| | - Ana Cláudia Franco
- Laboratório de Virologia (LABVIR), Departamento de Microbiologia, Imunologia e Parasitologia (DEMIP), Instituto de Ciências Básicas da Saúde (ICBS), Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos 2600, sala 523, Porto Alegre CEP 90035-003, RS, Brazil
| | - Silvia Hübner
- Faculdade de Veterinária, Universidade Federal de Pelotas, Departamento de Veterinária Preventiva, Campus Universitário s/n, CEP 96 160-000, Capão do Leão, RS, Brazil
| | - Cláudio Chiminazzo
- Equipe de Virologia, Instituto de Pesquisas Veterinárias Desidério Finamor (IPVDF), Estrada do Conde 6000, CEP 92500-000 Eldorado do Sul, RS, Brazil
| | - Cláudio Wageck Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Bento Gonçalves, 8824, CEP 91540-000, Porto Alegre, RS, Brazil
| | - Fabrício Souza Campos
- Laboratório de Virologia (LABVIR), Departamento de Microbiologia, Imunologia e Parasitologia (DEMIP), Instituto de Ciências Básicas da Saúde (ICBS), Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos 2600, sala 523, Porto Alegre CEP 90035-003, RS, Brazil
| | - Paulo Michel Roehe
- Laboratório de Virologia (LABVIR), Departamento de Microbiologia, Imunologia e Parasitologia (DEMIP), Instituto de Ciências Básicas da Saúde (ICBS), Universidade Federal do Rio Grande do Sul, Rua Ramiro Barcelos 2600, sala 523, Porto Alegre CEP 90035-003, RS, Brazil.
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Guo W, Xie J, Liu J, Chen H, Jung YS. The full-genome characterization and phylogenetic analysis of bovine herpesvirus type 1.2 isolated in China. Front Microbiol 2022; 13:1033008. [PMID: 36386697 PMCID: PMC9664903 DOI: 10.3389/fmicb.2022.1033008] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 09/26/2022] [Indexed: 01/25/2023] Open
Abstract
Bovine herpesvirus type 1 (BHV-1) causes bovine respiratory disease that poses a significant threat to the cattle industry. The prevalence of BHV-1 has recently increased in China. However, the lack of information about the prevalent isolates limits the control of the disease. In this study, a novel strain of BHV-1 was isolated from nasal swabs of Holstein cows in 2020 in China, designated as BHV SHJS. The genome of BHV strain SHJS is 135, 102 bp in length and highly similar to strain SP1777 (KM258883.1) with an identity of 99.64%. Mutations, insertions, or deletions mainly occur in UL27, UL44, and US8, etc., relative to the different genomic coordinates. Phylogenetic tree of UL44 (gC) showed that BHV strain SHJS belongs to BHV-1.2b cluster. The result showed that the strain had a different evolutionary origin from those prevalent in China. This study will enrich our knowledge regarding BHV outbreak strains in China and contribute to the prevention and pathogenic studies of BHV-1.2.
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Affiliation(s)
- Weiqiang Guo
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu, China
| | - Jia Xie
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Jingyi Liu
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Hongjun Chen
- Shanghai Veterinary Research Institute, Chinese Academy of Agricultural Sciences, Shanghai, China
| | - Yong-Sam Jung
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing, Jiangsu, China,*Correspondence: Yong-Sam Jung,
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Zhou Y, Li X, Ren Y, Hou X, Liu Y, Wei S, Dai G, Meng Y, Hu L, Liu Z, Jia W, Zhu Z, Wu R. Phylogenetic analysis and characterization of bovine herpesvirus-1 in cattle of China, 2016-2019. INFECTION GENETICS AND EVOLUTION 2020; 85:104416. [PMID: 32535159 DOI: 10.1016/j.meegid.2020.104416] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 05/26/2020] [Accepted: 06/07/2020] [Indexed: 02/08/2023]
Abstract
Bovine herpesvirus type 1 (BoHV-1) is one of the most critical pathogens in cattle and is prevalent in China. BoHV-1 is divided into two gene types, BoHV-1.1 and 1.2, which are further differentiated into two subtypes, BoHV-1.2a and 1.2b. However, the phylogenetic analysis of BoHV-1 isolates has not been reported in China. To perform a molecular epidemiological survey based on isolates from cattle in China, 102 lung tissue samples of calves under ten months of age with respiratory disease (BRD) that died from 2016 to 2019 in China were used to isolate BoHV-1 with Madin-Darby bovine kidney (MDBK) cells. Part of the BoHV-1 isolates were applied to the phylogenetic analysis based on the region of the glycoprotein C (gC) gene of BoHV-1. Thirty BoHV-1 isolates were obtained, and the gC gene of 13 isolates was amplified by polymerase chain reaction (PCR) methods and sequenced. The result of the phylogenetic analysis according to the 451-nucleotide portion of the gC gene found that all of 13 isolates belonged to the BoHV-1.2b gene subtype, but these isolates had located two different phylogenetic tree branches. The gC gene sequence homology of isolates in group1 was higher with a reference strain of BoHV-1.2b EVI14 up to 98.0-100%, while in group 2, this was higher with reference strain BoHV-1.2b B589 up to 97.8-99.8%. The deduced amino acid sequence of gC from isolates in group 2 had two amino acid mutations with interference strain BoHV-1.2b K22 or BoHV-1.1 COOPER. The cytopathic effects (CPEs) of BoHV-1 isolates in group 2 were ulcered on the centration like a volcano on MDBK cell, and different from traditional CPEs of BoHV-1. Overall, BoHV-1.2b seems to be the primary strain of BoHV-1 in cattle in China and is also a critical cause of BRD. These BoHV-1.2b isolates had significant genetic variations.
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Affiliation(s)
- Yulong Zhou
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China; Daqing Center of Inspection and Testing for Agricultural Products Ministry of Agriculture, Daqing 163319, China; Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases, Daqing 163319, China
| | - Xuyang Li
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Yachao Ren
- Harbin Medical University-Daqing, Daqing 163319, China
| | - Xilin Hou
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Yu Liu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Sumin Wei
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Guanli Dai
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Ye Meng
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Linjie Hu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Zhihui Liu
- Heilongjiang Blue Fusion Biological Information Co. Ltd., Harbin 150000, China
| | - Weiqiang Jia
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China
| | - Zhanbo Zhu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China.
| | - Rui Wu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China.
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Protective immunity following vaccination with a recombinant multiple-epitope protein of bovine herpesvirus type I in a rabbit model. Appl Microbiol Biotechnol 2020; 104:3011-3023. [PMID: 32002602 DOI: 10.1007/s00253-020-10420-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 01/19/2020] [Accepted: 01/26/2020] [Indexed: 10/25/2022]
Abstract
Bovine herpesvirus type 1 (BoHV-1) causes considerable economic losses to the cow industry. Vaccination remains an effective strategy to control the diseases associated with BoHV-1. However, live vaccines present safety concerns, especially in pregnant cows; thus, nonreplicating vaccines have been developed to control the disease. The envelope glycoproteins of BoHV-1 induce a protective immune response. In this work, selected epitopes on glycoproteins gD, gC, and gB were constructed in triplicate with linker peptides. Vaccination of rabbits demonstrated that P2-gD/gC/gB with AAYAAY induced higher specific antibodies than that with GGGGS linker. P2-gD/gC/gB with AAYAAY linker was fused with bovine interleukin-6 (BoIL-6) or rabbit IL-6 (RaIL-6) and bacterially expressed. Rabbits were intramuscularly immunized with 100 μg of P2-gD/gC/gB-BoIL-6, P2-gD/gC/gB-RaIL-6, P2-gD/gC/gB, P2-gD/gC/gB plus BoIL-6, P2-(gD-a)3-BoIL-6, or P2-(gD-a)3 emulsified with ISA 206 adjuvant thrice at 3-week intervals. P2-gD/gC/gB-BoIL-6 generated a higher titer of BoHV-1-specific antibodies, neutralizing antibodies, interferon (IFN)-γ, and IL-4 compared with P2-gD/gC/gB plus BoIL-6, P2-gD/gC/gB-RaIL-6, or other formulation. P2-gD/gC/gB-BoIL-6 triggered similar levels of antibodies and significantly higher titer of IFN-γ and IL-4 compared with inactivated bovine viral diarrhea (BVD)-infectious bovine rhinotracheitis (IBR) vaccine. Rabbits vaccinated with P2-gD/gC/gB-BoIL-6 dramatically reduced viral shedding and tissue lesions in lungs and trachea after viral challenge and reactivation compared with those with P2-gD/gC/gB plus BoIL-6 or P2-gD/gC/gB-RaIL-6. P2-gD/gC/gB-BoIL-6 provided protective effects against viral shedding and tissue pathogenesis similar to those of the inactivated vaccine. The data confirmed the safety and immunogenicity of multiple-epitope recombinant protein and a potential vaccine candidate to control the disease, especially for pregnant cattle.
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Bovine Herpesvirus 1 U L49.5 Interacts with gM and VP22 To Ensure Virus Cell-to-Cell Spread and Virion Incorporation: Novel Role for VP22 in gM-Independent U L49.5 Virion Incorporation. J Virol 2018; 92:JVI.00240-18. [PMID: 29669828 PMCID: PMC6002714 DOI: 10.1128/jvi.00240-18] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2018] [Accepted: 04/04/2018] [Indexed: 12/25/2022] Open
Abstract
Alphaherpesvirus envelope glycoprotein N (gN) and gM form a covalently linked complex. Bovine herpesvirus type 1 (BHV-1) UL49.5 (a gN homolog) contains two predicted cysteine residues, C42 and C78. The C42 is highly conserved among the alphaherpesvirus gN homologs (e.g., herpes simplex virus 1 and pseudorabies virus). To identify which cysteine residue is required for the formation of the UL49.5/gM complex and to characterize the functional significance of the UL49.5/gM complex, we constructed and analyzed C42S and C78S substitution mutants in either a BHV-1 wild type (wt) or BHV-1 UL49.5 cytoplasmic tail-null (CT-null) virus background. The results demonstrated that BHV-1 UL49.5 residue C42 but not C78 was essential for the formation of the covalently linked functional UL49.5/gM complex, gM maturation in the Golgi compartment, and efficient cell-to-cell spread of the virus. Interestingly, the C42S and CT-null mutations separately did not affect mutant UL49.5 virion incorporation. However, when both of the mutations were introduced simultaneously, the UL49.5 C42S/CT-null protein virion incorporation was severely reduced. Incidentally, the anti-VP22 antibody coimmunoprecipitated the UL49.5 C42S/CT-null mutant protein at a noticeably reduced level compared to that of the individual UL49.5 C42S and CT-null mutant proteins. As expected, in a dual UL49.5 C42S/VP22Δ virus with deletion of VP22 (VP22Δ), the UL49.5 C42S virion incorporation was also severely reduced while in a gMΔ virus, UL49.5 virion incorporation was affected only slightly. Together, these results suggested that UL49.5 virion incorporation is mediated redundantly, by both UL49.5/gM functional complex and VP22, through a putative gM-independent novel UL49.5 and VP22 interaction.IMPORTANCE Bovine herpesvirus 1 (BHV-1) envelope protein UL49.5 is an important virulence determinant because it downregulates major histocompatibility complex class I (MHC-I). UL49.5 also forms a covalently linked complex with gM. The results of this study demonstrate that UL49.5 regulates gM maturation and virus cell-to-cell spread since gM maturation in the Golgi compartment depends on covalently linked UL49.5/gM complex. The results also show that the UL49.5 residue cysteine 42 (C42) mediates the formation of the covalently linked UL49.5-gM interaction. Furthermore, a C42S mutant virus in which UL49.5 cannot interact with gM has defective cell-to-cell spread. Interestingly, UL49.5 also interacts with the tegument protein VP22 via its cytoplasmic tail (CT). The putative UL49.5 CT-VP22 interaction is essential for a gM-independent UL49.5 virion incorporation and is revealed when UL49.5 and gM are not linked. Therefore, UL49.5 virion incorporation is mediated by UL49.5-gM complex interaction and through a gM-independent interaction between UL49.5 and VP22.
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Pasman Y, Soliman C, Ramsland PA, Kaushik AK. Exceptionally long CDR3H of bovine scFv antigenized with BoHV-1 B-epitope generates specific immune response against the targeted epitope. Mol Immunol 2016; 77:113-25. [PMID: 27497190 DOI: 10.1016/j.molimm.2016.07.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Revised: 07/13/2016] [Accepted: 07/20/2016] [Indexed: 11/18/2022]
Abstract
We discovered that some bovine antibodies are amongst the largest known to exist due to the presence of an exceptionally long CDR3H (≥49 amino acids) with multiple cysteines that provide a unique knob and stalk structure to the antigen binding site. The large CDR3H size, unlike mouse and human, provides a suitable platform for antigenization with large configurational B-epitopes. Here we report the identification of a B-epitope on the gC envelope protein of bovine herpes virus type-1 (BoHV-1) recognized by a bovine IgG1 antibody. The identified 156 amino acid long gC fragment (gC156) was expressed as a recombinant protein. Subsequently, a functional scFv fragment with a 61 amino-acid long CDR3H (scFv1H12) was expressed such that gC156 was grafted into the CDR3H, replacing the "knob" region (gC156scFv1H12 or Ag-scFv). Importantly, the Ag-scFv could be recognized by a neutralizing antibody fragment (scFv3-18L), which suggests that the engraftment of gC156 into the CDR3H of 1H12 maintained the native conformation of the BoHV-1 B-epitope. A 3D model of gC156 was generated using fold-recognition approaches and this was grafted onto the CDR3H stalk of the 1H12 Fab crystal structure to predict the 3D structure of the Ag-scFv. The grafted antigen in Ag-scFv is predicted to have a compact conformation with the ability to protrude into the solvent. Upon immunization of bovine calves, the antigenized scFv (gC156scFv1H12) induced a higher antibody response as compared to free recombinant gC156. These observations suggest that antigenization of bovine scFv with an exceptionally long CDR3H provides a novel approach to developing the next generation of vaccines against infectious agents that require induction of protective humoral immunity.
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Affiliation(s)
- Yfke Pasman
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario N1G 2W1, Canada
| | - Caroline Soliman
- School of Science, RMIT University, Bundoora, VIC 3083, Australia
| | - Paul A Ramsland
- School of Science, RMIT University, Bundoora, VIC 3083, Australia; Centre for Biomedical Research, Burnet Institute, Melbourne, VIC 3004, Australia; Department of Immunology, Alfred Medical Research and Education Precinct, Monash University, Melbourne, VIC 3004, Australia; Department of Surgery Austin Health, University of Melbourne, Heidelberg, VIC 3084, Australia
| | - Azad K Kaushik
- Department of Molecular and Cellular Biology, University of Guelph, Guelph, Ontario N1G 2W1, Canada.
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Virus, strain, and epitope specificities of neutralizing bovine monoclonal antibodies to bovine herpesvirus 1 glycoproteins gB, gC, and gD, with sequence and molecular model analysis. Vet Immunol Immunopathol 2015; 164:179-93. [DOI: 10.1016/j.vetimm.2015.02.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2014] [Revised: 02/22/2015] [Accepted: 02/23/2015] [Indexed: 11/30/2022]
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Traesel CK, Bernardes LM, Spilki FR, Weiblen R, Flores EF. Sequence analysis of the 5' third of glycoprotein C gene of South American bovine herpesviruses 1 and 5. ACTA ACUST UNITED AC 2015; 48:470-8. [PMID: 25760029 PMCID: PMC4445672 DOI: 10.1590/1414-431x20144266] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2014] [Accepted: 11/11/2014] [Indexed: 11/22/2022]
Abstract
Bovine herpesviruses 1 (BoHV-1) and 5 (BoHV-5) share high genetic and antigenic
similarities, but exhibit marked differences in tissue tropism and neurovirulence.
The amino-terminal region of glycoprotein C (gC), which is markedly different in each
of the viruses, is involved in virus binding to cellular receptors and in
interactions with the immune system. This study investigated the genetic and
antigenic differences of the 5′ region of the gC (5′ gC) gene (amino-terminal) of
South American BoHV-1 (n=19) and BoHV-5 (n=25) isolates. Sequence alignments of 374
nucleotides (104 amino acids) revealed mean similarity levels of 97.3 and 94.2% among
BoHV-1 gC (gC1), respectively, 96.8 and 95.6% among BoHV-5 gC (gC5), and 62 and 53.3%
between gC1 and gC5. Differences included the absence of 40 amino acid residues (27
encompassing predicted linear epitopes) scattered throughout 5′ gC1 compared to 5′
gC5. Virus neutralizing assays testing BoHV-1 and BoHV-5 antisera against each
isolate revealed a high degree of cross-neutralization between the viruses, yet some
isolates were neutralized at very low titers by heterologous sera, and a few BoHV-5
isolates reacted weakly with either sera. The virus neutralization differences
observed within the same viral species, and more pronounced between BoHV-1 and
BoHV-5, likely reflect sequence differences in neutralizing epitopes. These results
demonstrate that the 5′ gC region is well conserved within each viral species but is
divergent between BoHV-1 and BoHV-5, likely contributing to their biological and
antigenic differences.
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Affiliation(s)
- C K Traesel
- Setor de Virologia, Departamento de Medicina Veterinária Preventiva, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - L M Bernardes
- Setor de Virologia, Departamento de Medicina Veterinária Preventiva, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - F R Spilki
- Laboratório de Microbiologia Molecular, Universidade Feevale, Novo Hamburgo, RS, Brasil
| | - R Weiblen
- Setor de Virologia, Departamento de Medicina Veterinária Preventiva, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
| | - E F Flores
- Setor de Virologia, Departamento de Medicina Veterinária Preventiva, Universidade Federal de Santa Maria, Santa Maria, RS, Brasil
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Traesel CK, Sá e Silva M, Spilki FR, Weiblen R, Flores EF. Nucleotide sequencing and phylogenetic analysis of the 3' region of glycoprotein C gene of South American bovine herpesviruses 1 and 5. Res Vet Sci 2012; 94:178-85. [PMID: 22929314 DOI: 10.1016/j.rvsc.2012.07.032] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Revised: 06/15/2012] [Accepted: 07/28/2012] [Indexed: 12/01/2022]
Abstract
We herein describe a molecular analysis based on the 3' region of the glycoprotein C gene of 45 bovine herpesvirus (BoHV) isolates from Brazil (n=41), Uruguay (n=2) and Argentina (n=2). Nucleotide (nt) sequencing and alignment of 333 nt revealed levels of similarity ranging from 99.1% to 100% among BoHV-1 sequences (n=12); 96.2-100% among BoHV-5 sequences (n=32); and 77.7-90.3% between BoHV-1 and BoHV-5 sequences. The phylogenetic tree reconstruction provided a clear distinction between BoHV-1 and BoHV-5, and BoHV-1 into subtypes BoHV-1.1 and BoHV-1.2. The isolate SV 453/93 (BoHV-1 associated with genital disease) could not be included within BoHV-1 subtypes since it presented a markedly distinct nt and amino acid (aa) deduced sequences. A transmembrane domain of 24 aa and the putative cytoplasmic tail of 8 aa were identified and mapped. These results indicate that this genome region represents a suitable target for phylogenetic subgrouping of BoHV-1 and BoHV-5 isolates and, perhaps, for understanding evolutionary relationships.
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Affiliation(s)
- Carolina Kist Traesel
- Setor de Virologia, Departamento de Medicina Veterinária Preventiva, Universidade Federal de Santa Maria, Santa Maria, RS, Brazil
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Esteves PA, Dellagostin OA, Pinto LS, Silva AD, Spilki FR, Ciacci-Zanella JR, Hübner SO, Puentes R, Maisonnave J, Franco AC, Rijsewijk FAM, Batista HBCR, Teixeira TF, Dezen D, Oliveira AP, David C, Arns CW, Roehe PM. Phylogenetic comparison of the carboxy-terminal region of glycoprotein C (gC) of bovine herpesviruses (BoHV) 1.1, 1.2 and 5 from South America (SA). Virus Res 2008; 131:16-22. [PMID: 17889957 DOI: 10.1016/j.virusres.2007.08.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2007] [Revised: 08/03/2007] [Accepted: 08/03/2007] [Indexed: 11/29/2022]
Abstract
Different types and subtypes of bovine herpesvirus 1 and 5 (BoHV-1 and BoHV-5) have been associated to different clinical conditions of cattle, in such a way that type/subtype differentiation has become an essential tool for understanding the pathogenesis and epidemiology of BoHV infections. In search for a genomic region that would allow a clear distinction between BoHV-1 and BoHV-5, the carboxy-terminal portion of glycoprotein C (gC), corresponding to residues 321-450 (BoHV-1) and 301-429 (BoHV-5) of 23 South American (SA) isolates (Brazil mostly) was amplified and sequenced. The nucleotide sequence alignments revealed levels of genomic similarity ranging from 98.7 to 99.8% among BoHV-1 isolates, 88.3 to 92% between BoHV-1/BoHV-5 and 96 to 99.7% among BoHV-5 isolates. At the amino acid level, sequence similarity varied ranging from 97.5 to 99.5% among BoHV-1, 77.5 to 84.4% between BoHV-1/BoHV-5 and 92.1 to 99.5% (BoHV-5/BoHV-5). The isolates could be clearly separated into BoHV-1.1, BoHV-1.2 and BoHV-5 after phylogenetic analysis. The results suggest that the phylogenetic analysis performed here can be used as a potential molecular epidemiological tool for herpesviruses.
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Affiliation(s)
- P A Esteves
- Embrapa Suínos e Aves, BR 153, Km 110, CEP: 89700-000, Concórdia, SC, Brazil.
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Gogev S, Vanderheijden N, Lemaire M, Schynts F, D'Offay J, Deprez I, Adam M, Eloit M, Thiry E. Induction of protective immunity to bovine herpesvirus type 1 in cattle by intranasal administration of replication-defective human adenovirus type 5 expressing glycoprotein gC or gD. Vaccine 2002; 20:1451-65. [PMID: 11818166 DOI: 10.1016/s0264-410x(01)00458-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Replication-defective human adenoviruses type 5 (HAd5) expressing the bovine herpesvirus type 1 (BHV-1) glycoprotein gC or gD under the control of the human cytomegalovirus immediate-early promoter/enhancer (AdCMVgC or AdCMVgD) or the 5' regulatory region of the human desmin gene (AdDESMgC or AdDESMgD) were generated. A preliminary experiment performed on rabbits showed that the intranasal administration of AdCMV elicited higher levels of BHV-1 neutralizing antibodies than the intramuscular administration of AdDESM. The obtained results allowed to select the replication-defective AdCMVgC and AdCMVgD for further assessment of their potential as a recombinant vaccine in cattle. Calves were injected intranasally twice 3 weeks apart with either AdCMVgC or AdCMVgD or a combination of these two recombinants or a commercially available live vaccine for comparison. The highest BHV-1 neutralizing antibody titres were obtained with AdCMVgD followed by the live vaccine and to a lower extent with the combination of the two recombinants (AdCMVgC+AdCMVgD). Calves were protected against intranasal BHV-1 challenge performed 3 weeks after the second immunization. In view of the obtained results, recombinant HAd5 may be developed as an intranasal vaccine vector in cattle administrated either alone or sequentially with non-human adenovirus-based vectors.
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Affiliation(s)
- Sacha Gogev
- Laboratory of Virology, Department of Infectious and Parasitic Diseases, Faculty of Veterinary Medicine, University of Lie'ge, Boulevard de Colonster, 20-B 43 bis, 4000, Sart Tilman-Lie'ge, Belgium
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