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Mira F, Schirò G, Franzo G, Canuti M, Purpari G, Giudice E, Decaro N, Vicari D, Antoci F, Castronovo C, Guercio A. Molecular epidemiology of canine parvovirus type 2 in Sicily, southern Italy: A geographical island, an epidemiological continuum. Heliyon 2024; 10:e26561. [PMID: 38420403 PMCID: PMC10900816 DOI: 10.1016/j.heliyon.2024.e26561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 02/10/2024] [Accepted: 02/15/2024] [Indexed: 03/02/2024] Open
Abstract
Since it emerged as a major dog pathogen, canine parvovirus type 2 (CPV-2) has featured a remarkable genetic and phenotypic heterogeneity, whose biological, epidemiological, and clinical impact is still debated. The continuous monitoring of this pathogen is thus of pivotal importance. In the present study, the molecular epidemiology of CPV-2 in Sicily, southern Italy, has been updated by analysing 215 nearly complete sequences of the capsid protein VP2, obtained from rectal swabs/faeces or tissue samples collected between 2019 and 2022 from 346 dogs with suspected infectious gastrointestinal disease. The presence of the original CPV-2 type (4%) and CPV-2a (9%), CPV-2b (18%), or CPV-2c (69%) variants was documented. Over the years, we observed a decrease in the frequency of CPV-2a/-2b and a rapid increase of CPV-2c frequency, with a progressive replacement of the European lineage of CPV-2c by the Asian lineage. The observed scenario, besides confirming epidemiological relevance of CPV-2, highlights the occurrence of antigenic variant shifts over time, with a trend toward the replacement of CPV-2a, CPV-2b, and the European lineage of CPV-2c by the emerging Asian CPV-2c lineage. The comparison with other Italian and international sequences suggests the occurrence of viral exchange with other Italian regions and different countries, although the directionality of such viral flows could not be often established with confidence. In several instances, potential CPV-2 introductions led to epidemiological dead ends. However, major, long-lasting clades were also identified, supporting successful infection establishment, local spreading, and evolution. These results, besides demonstrating the need for implementing more effective control measures to prevent viral introductions and minimize circulation, stress the relevance of routine monitoring activities as the only tool to effectively understand CPV-2 epidemiology and evolution, and develop adequate countermeasures.
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Affiliation(s)
- Francesco Mira
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via Gino Marinuzzi 3, 90129, Palermo, Italy
- Department of Veterinary Science, University of Messina, Polo Universitario dell'Annunziata, 98168, Messina, Italy
| | - Giorgia Schirò
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via Gino Marinuzzi 3, 90129, Palermo, Italy
- Department of Veterinary Science, University of Messina, Polo Universitario dell'Annunziata, 98168, Messina, Italy
| | - Giovanni Franzo
- Department of Animal Medicine, Production and Health, University of Padua, Viale dell'Università 16, 35020, Legnaro (PD), Italy
| | - Marta Canuti
- Department of Pathophysiology and Transplantation, Università degli Studi di Milano, Via Francesco Sforza 35, 20122, Milan, Italy
- Coordinate Research Centre EpiSoMI (Epidemiology and Molecular Surveillance of Infections), Università degli Studi di Milano, Milan, Italy
- Centre for Multidisciplinary Research in Health Science (MACH), Università degli Studi di Milano, Milan, Italy
| | - Giuseppa Purpari
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via Gino Marinuzzi 3, 90129, Palermo, Italy
| | - Elisabetta Giudice
- Department of Veterinary Science, University of Messina, Polo Universitario dell'Annunziata, 98168, Messina, Italy
| | - Nicola Decaro
- Department of Veterinary Medicine, University of Bari Aldo Moro, S.p. per Casamassima Km 3, 70010, Valenzano, (BA), Italy
| | - Domenico Vicari
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via Gino Marinuzzi 3, 90129, Palermo, Italy
| | - Francesco Antoci
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via Gino Marinuzzi 3, 90129, Palermo, Italy
| | - Calogero Castronovo
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via Gino Marinuzzi 3, 90129, Palermo, Italy
| | - Annalisa Guercio
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via Gino Marinuzzi 3, 90129, Palermo, Italy
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Unusual "Asian-origin" 2c to 2b point mutant canine parvovirus (Parvoviridae) and canine astrovirus (Astroviridae) co-infection detected in vaccinated dogs with an outbreak of severe haemorrhagic gastroenteritis with high mortality rate in Hungary. Vet Res Commun 2022; 46:1355-1361. [PMID: 36129562 PMCID: PMC9490711 DOI: 10.1007/s11259-022-09997-2] [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: 06/20/2022] [Accepted: 09/06/2022] [Indexed: 11/29/2022]
Abstract
In this study, the aetiological background of an outbreak of severe haemorrhagic gastroenteritis (HGE) in a colony of purebred Jack Russell Terriers vaccinated against CPV-2 in Hungary was investigated. Canine parvovirus 2 (CPV-2, Parvoviridae) and canine astrovirus (CaAstV, Astroviridae) co-infection was identified by viral metagenomics and next-generation sequencing (VM-NGS) methods from a rectal swab of an affected 7-week-old puppy. The complete coding sequence of CPV-2 strain FR1/CPV2-2021-HUN (ON733252) and the complete genome of CaAstV strain FR1/CaAstV-2021-HUN (ON733251) were determined by VM-NGS and PCR methods. Results of sequence and phylogenetic analyses showed that CPV-2 strain FR1/CPV2-2021-HUN was different from the applied vaccine strains and previously identified strains from Hungary but showed high sequence identity (> 99.8%) and close phylogenetic relationship to recently described “Asian-origin” CPV-2c strains from Italy. But, based on the single amino acid difference on position 426 of VP2 (Glu/Asp) between the study strain and the closest relatives, FR1/CPV2-2021-HUN belonged to the 2b antigenic type rather than 2c. The CaAstV strain FR1/CaAstV-2021-HUN showed close relationship with a CaAstV strain identified previously from a diarrhoeic dog in Hungary. Both viruses were continuously detectable by PCR in additional enteric samples, and the CPV-2 could also be detected in several (n = 32) tissue samples from 9 affected deceased puppies. Further comparative studies are necessary to confirm the role of the point mutation causing the change in the antigenic type of this “Asian-origin” CPV-2 and/or the role of CaAstV co-infection in the development and/or severity of (haemorrhagic) gastroenteritis among dogs vaccinated against CPV-2.
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de Oliveira Santana W, Silveira VP, Wolf JM, Kipper D, Echeverrigaray S, Canal CW, Truyen U, Lunge VR, Streck AF. Molecular phylogenetic assessment of the canine parvovirus 2 worldwide and analysis of the genetic diversity and temporal spreading in Brazil. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2022; 98:105225. [PMID: 35101636 DOI: 10.1016/j.meegid.2022.105225] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 01/17/2022] [Accepted: 01/20/2022] [Indexed: 06/14/2023]
Abstract
Canine parvovirus type 2 (CPV-2) is a relevant pathogen for dogs and causes a severe disease in carnivore species. CPV-2 reached pandemic proportions after the 1970s with the worldwide dissemination, generating antigenic and genetic variants (CPV-2a, CPV-2b, and CPV-2c) with different pathobiology in comparison with the original type CPV-2. The present study aimed to assess the current global CPV-2 molecular phylogeny and to analyze genetic diversity and temporal spreading of variants from Brazil. A total of 284 CPV-2 whole-genome sequences (WGS) and 684 VP2 complete genes (including 23 obtained in the present study) were compared to analyze phylogenetic relationships. Bayesian coalescent analysis estimated the time to the most recent common ancestor (tMRCA) and the population dynamics of the different CPV-2 lineages in the last decades. The WGS phylogenetic tree demonstrated two main clades disseminated worldwide today. The VP2 gene tree showed a total of four well-defined clades distributed in different geographic regions, including one with CPV-2 sequences exclusive from Brazil. These clades do not have a relationship with the previous classification into CPV-2a, CPV-2b, and CPV-2c, despite some having a predominance of one or more antigenic types. Temporal analysis demonstrated that the main CPV-2 clades evolved within a few years (from the 1980s to 1990s) in North America and they spread worldwide afterwards. Population dynamics analysis demonstrated that CPV-2 presented a major dissemination increase at the end of the 1980s / beginning of the 1990s followed by a period of stability and a second minor increase from 2000 to 2004.
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Affiliation(s)
- Weslei de Oliveira Santana
- Instituto de Biotecnologia, Universidade de Caxias do Sul (UCS), Caxias do Sul, Rio Grande do Sul, Brazil
| | - Vinicius Proença Silveira
- Laboratório de Diagnóstico Molecular, Programa de Pós-Graduação em Biologia Celular e Molecular aplicada à Saúde, Universidade Luterana do Brasil (ULBRA), Canoas, Rio Grande do Sul, Brazil
| | - Jonas Michel Wolf
- Laboratório de Diagnóstico Molecular, Programa de Pós-Graduação em Biologia Celular e Molecular aplicada à Saúde, Universidade Luterana do Brasil (ULBRA), Canoas, Rio Grande do Sul, Brazil
| | - Diéssy Kipper
- Instituto de Biotecnologia, Universidade de Caxias do Sul (UCS), Caxias do Sul, Rio Grande do Sul, Brazil
| | - Sergio Echeverrigaray
- Instituto de Biotecnologia, Universidade de Caxias do Sul (UCS), Caxias do Sul, Rio Grande do Sul, Brazil
| | - Cláudio Wageck Canal
- Laboratório de Virologia, Faculdade de Veterinária, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil
| | - Uwe Truyen
- Institut für Tierhygiene und Öffentliches Veterinärwesen, Leipzig, Germany
| | - Vagner Ricardo Lunge
- Laboratório de Diagnóstico Molecular, Programa de Pós-Graduação em Biologia Celular e Molecular aplicada à Saúde, Universidade Luterana do Brasil (ULBRA), Canoas, Rio Grande do Sul, Brazil; Simbios Biotecnologia, Cachoeirinha, Rio Grande do Sul, Brazil.
| | - André Felipe Streck
- Instituto de Biotecnologia, Universidade de Caxias do Sul (UCS), Caxias do Sul, Rio Grande do Sul, Brazil
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Alexis VA, Sonia V, Daniela S, Miguel G, Timothy H, Valentina F, Lisette L, Leonardo S. Molecular Analysis of Full-Length VP2 of Canine Parvovirus Reveals Antigenic Drift in CPV-2b and CPV-2c Variants in Central Chile. Animals (Basel) 2021; 11:2387. [PMID: 34438844 PMCID: PMC8388783 DOI: 10.3390/ani11082387] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/15/2021] [Accepted: 07/15/2021] [Indexed: 11/29/2022] Open
Abstract
Canine parvovirus (CPV) is a major pathogen in canines, with a high mortality rate in unvaccinated puppies. CPV is traditionally classified into three antigenic variants (CPV-2a, CPV-2b and CPV-2c) based on the amino acid sequence of the VP2 protein. Currently, various mutations are described in the receptor-binding area or in the regions of greatest antigenicity of the VP2 protein, giving rise to new viral variants that are capable of immunological escape, affecting the protective immunity of traditional vaccines. In the present study, a molecular characterization of the VP2 gene was performed, which included phylogenetic analysis, amino acid characterization and determination of selection pressures. Blood samples were initially collected from canine patients with clinical signs of gastrointestinal infection, of which 69 were positive for CPV as measured by means of PCR and 18 samples were selected for the amplification of the complete VP2 gene. The analysis revealed a higher rate of CPV-2c-positive patients compared to CPV-2b. Furthermore, the amino acid characterization of VP2 indicated mutations in the regions of highest antigenicity previously described in the literature (CPV-2b: 297 and 324; CPV-2c: 440), as well as others not previously documented (CPV-2b: 514; CPV-2c: 188, 322, 379, 427 and 463). Our analysis of selection pressure showed that the VP2 gene is under negative selection. However, positive selection point sites were identified, both in CPV-2c (324, 426 and 440) and CPV-2b (297 and 324), at sites that have been associated with evasion of the immune response via antigenic drift, which possibly has implications for the protective immunity generated by traditional vaccines.
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Affiliation(s)
- Véliz-Ahumada Alexis
- Facultad de Ciencias Veterinarias y Pecuarias, Universidad de Chile, Santa Rosa 11735, La Pintana, Santiago 8820808, Chile;
- Programa de Doctorado en Ciencias Silvoagropecuarias y Veterinarias, Campus Sur, Universidad de Chile, Santa Rosa 11315, La Pintana, Santiago 8820808, Chile
| | - Vidal Sonia
- Laboratory of Veterinary Vaccines, Department of Animal Biology, Faculty of Veterinary and Animal Science, Universidad de Chile, Santiago 8820808, Chile; (V.S.); (S.D.); (H.T.); (F.V.)
| | - Siel Daniela
- Laboratory of Veterinary Vaccines, Department of Animal Biology, Faculty of Veterinary and Animal Science, Universidad de Chile, Santiago 8820808, Chile; (V.S.); (S.D.); (H.T.); (F.V.)
| | - Guzmán Miguel
- Núcleo de Investigaciones Aplicadas en Ciencias Veterinarias y Agronómicas, Facultad de Medicina Veterinaria y Agronomía, Campus Maipú-Sede, Universidad de las Américas, Santiago 9250000, Chile;
| | - Hardman Timothy
- Laboratory of Veterinary Vaccines, Department of Animal Biology, Faculty of Veterinary and Animal Science, Universidad de Chile, Santiago 8820808, Chile; (V.S.); (S.D.); (H.T.); (F.V.)
| | - Farias Valentina
- Laboratory of Veterinary Vaccines, Department of Animal Biology, Faculty of Veterinary and Animal Science, Universidad de Chile, Santiago 8820808, Chile; (V.S.); (S.D.); (H.T.); (F.V.)
| | - Lapierre Lisette
- Department of Preventive Medicine, Faculty of Veterinary and Animal Science, Universidad de Chile, Santiago 8820808, Chile;
| | - Sáenz Leonardo
- Laboratory of Veterinary Vaccines, Department of Animal Biology, Faculty of Veterinary and Animal Science, Universidad de Chile, Santiago 8820808, Chile; (V.S.); (S.D.); (H.T.); (F.V.)
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Chang AM, Chen CC. Molecular Characteristics of Carnivore protoparvovirus 1 with High Sequence Similarity between Wild and Domestic Carnivores in Taiwan. Pathogens 2021; 10:pathogens10060671. [PMID: 34072499 PMCID: PMC8229444 DOI: 10.3390/pathogens10060671] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 05/23/2021] [Accepted: 05/26/2021] [Indexed: 01/26/2023] Open
Abstract
Carnivore protoparvovirus 1 (CPPV-1) is a DNA virus causing gastrointestinal disease and immunosuppression in various terrestrial carnivores. Domestic dogs and cats are considered the primary CPPV-1 reservoirs. The habitat overlap of wild carnivores and free-roaming dogs increases the threat of CPPV-1 transmission between them. This study explored the CPPV-1 distribution among wild carnivores in Taiwan through PCR screening and compared the partial capsid protein (VP2) gene sequences from wild and domestic carnivores. In total, 181 samples were collected from 32 masked palm civets (Paguma larvata), 63 Chinese ferret badgers (Melogale moschata), and 86 crab-eating mongooses (Herpestes urva), from 2015 to 2019 were screened for CPPV-1. The average prevalence of CPPV-1 was 17.7% (32/181), with the highest prevalence in masked palm civets (37.5%). In addition, a masked palm civet was coinfected with two CPPV-1 strains. Among the 33 partial VP2 gene sequences, 23 were identical to the sequences amplified from domestic dogs and cats in Asia, and the remaining 10 were identified for the first time. This study supported the circulation of CPPV-1 strains with the same genomic features as domestic carnivores that are also in wild carnivores from the same environment in Taiwan by molecular data. Therefore, further population control and health management of free-roaming domestic carnivores are recommended.
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Affiliation(s)
- Ai-Mei Chang
- International Program in Animal Vaccine Technology, International College, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan;
- Research Center for Animal Biologics, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
| | - Chen-Chih Chen
- Research Center for Animal Biologics, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
- Institute of Wildlife Conservation, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
- Department of Veterinary Medicine, College of Veterinary Medicine, National Pingtung University of Science and Technology, Pingtung 91201, Taiwan
- Correspondence: ; Tel.: +886-87703202 (ext. 6596)
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Detection and molecular epidemiology of canine parvovirus type 2 (CPV-2) circulating in Jilin Province, Northeast China. Comp Immunol Microbiol Infect Dis 2020; 74:101602. [PMID: 33296799 DOI: 10.1016/j.cimid.2020.101602] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Revised: 11/23/2020] [Accepted: 11/23/2020] [Indexed: 12/31/2022]
Abstract
Canine parvovirus (CPV) is highly contagious and can cause haemorrhagic enteritis and myocarditis in dogs. To understand the current epidemic situation of CPV in Jilin Province, China, a total of 44 fecal or intestinal tissue samples of pet dogs suspected of being infected with CPV from February 2018 to November 2019 in Changchun and Liaoyuan City, Jilin Province were collected.All of the 44 collected samples were tested positive to CPV-2 by a PCR assay. The sequencing and analyzing of complete VP2 genes showed that CPV-2c was the most prevalent variant (n = 31;70.4 %), followed by new-CPV-2a (n = 8;18.2 %), new-CPV-2b (n = 4; 9.1 %) and CPV-2 (n = 1; 2.3 %). Phylogenetic analysis revealed that the 31 CPV-2c strains in our study are closely related to local CPV-2c isolates in cluster I. The VP2 protein of the acquired CPV 2c strains all possessed the substitutions Ala5Gly, Phe267Tyr, Tyr324Ile, and Gln370Arg only one with a novel Arg481Lys mutation. These findings demonstrate that CPV-2c was the most prominent type of CPV circulating in Jilin in 2018-2019, clustered in a separate group that is far from the vaccine strains and suggest that further and extensive epidemiological investigation among pet dogs are warranted to provide information for usage and research of current vaccines.
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Shima FK, Omobowale TO, Adesina RD, Nottidge HO, Fagbohun OA. Molecular characterisation of canine parvoviruses from clinical samples and vaccines in Nigeria. INFECTION GENETICS AND EVOLUTION 2020; 85:104553. [PMID: 32927118 DOI: 10.1016/j.meegid.2020.104553] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 08/13/2020] [Accepted: 09/08/2020] [Indexed: 11/18/2022]
Abstract
Canine parvovirus (CPV) the causative agent of canine parvovirus enteritis is an intractable pathogen of dogs characterised by mutations, evolutionary changes and eventual vaccine failure. The disease is a serious problem in dogs with limited studies conducted in Nigeria. Therefore, this study was designed to characterise the subtypes of CPV isolates in six commonly used vaccines and 157 clinical samples collected from seven states in Nigeria from June 2016 to March 2018. Faecal samples collected from the clinical cases were subjected to in-clinic immunoassay to detect viral antigens. Polymerase chain reaction (PCR) was used to amplify viral VP2 gene in the samples and commonly used vaccines in Nigeria. Thereafter, PCR products were sequenced and analysed. The result showed that 93.0% of the dogs tested positive for CPV in both assays; 72.8% were puppies less than six months old, with 58.3% of them vaccinated. Partial VP2 gene sequence and phylogenetic analysis of 11 random clinical samples showed that CPV-2c 7(63.6%) and CPV-2a 4(36.4%) were the predominant subtypes in Nigeria; with genetic signatures that are 98.7% to 99.9% closely related to Asian and European strains, respectively. No CPV-2b was detected. Amino acid mutation analysis divulged some imperative transmutation sites: D305Y, Y324I, Q370R, N375D, T440A, Y444S, I447M and Y451C in the isolates. The viruses in the vaccines were characterised as the wild-type CPV. The genetic variability, viral population heterogeneity and phylogenetic linkage with isolates from other countries probably suggest transboundary migrations and local differentiations are contributing to continuous CPV evolution and vaccine failure in Nigeria.
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Affiliation(s)
- Felix Kundu Shima
- Department of Veterinary Medicine, University of Ibadan, Ibadan, Nigeria
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Risk, prognosis and causality of parvo viral enteritis in dogs in Sri Lanka. Comp Immunol Microbiol Infect Dis 2020; 72:101496. [PMID: 32562954 DOI: 10.1016/j.cimid.2020.101496] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 05/08/2020] [Accepted: 05/11/2020] [Indexed: 11/21/2022]
Abstract
We studied the causal variation, prognosis and risk factors of parvo viral enteritis using both molecular and statistical analysis. A multivariate factor analysis was performed to see the effect of the breed, age, vaccination status and the leukocyte counts on disease severity and survival. Twenty PCR amplicons (partial VP2 gene) from vaccinated dogs were sequenced to identify the variants. A total of 109 samples were positive for parvo viral DNA, 71 of which were from dogs who have received at least one dose of CPV-2 vaccine. Over 90% were leukopenic on 2nd and 3rd day of diarrhoea. Age < 6 months was negatively correlated with leukocyte count and the leukocyte count was negatively correlated with survival. Dobermans and Labradors showed significant negative correlation with survival. All variants of parvovirus affected dogs with the 2c being the predominant (2c = 12, 2a = 7, 2b = 1). All 20 strains harboured three additional amino acid substitutions (i.e. Phe267Tyr, Ser297Ala and Tyr324Ile) and warrant further studies on potential changes of the antigenicity of the virus.
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Moon BY, Jang J, Kim SH, Kim YH, Lee HK, So B, Park CK, Lee KK. Genetic characterization of canine parvovirus type 2c from domestic dogs in Korea. Transbound Emerg Dis 2020; 67:1645-1653. [PMID: 32009300 PMCID: PMC7228216 DOI: 10.1111/tbed.13501] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Revised: 01/27/2020] [Accepted: 01/28/2020] [Indexed: 01/01/2023]
Abstract
Canine parvovirus type 2 (CPV‐2) is an aetiological agent that causes acute haemorrhagic enteritis and fatal myocarditis in dogs. Since CPV‐2 first emerged in the late 1970s, its rapid evolution has resulted in three antigenic variants: CPV‐2a, CPV‐2b and CPV‐2c. Here, we report, for the first time in Korea, two cases of CPV‐2c infection in two dogs with severe diarrhoea. The complete open reading frame (4,269nt) of CPV‐2, encoding both non‐structural (NS) and structural (VP) proteins, was sequenced. Based on the amino acid Gln present at residue 426 of the VP2 gene, these strains were typed as CPV‐2c, and were named Korea CPV‐2c_1 and Korea CPV‐2c_2. These strains shared 99.48% reciprocal nucleotide sequence identity and had the highest nucleotide identity (99.77%–99.34%) with Asian CPV strains isolated in China, Italy (found in a dog imported from Thailand), and Vietnam from 2013 to 2017. Phylogenetic analysis based on the non‐structural (NS1) and capsid (VP2) genes revealed that Korean CPV‐2c strains clustered closely to Asian CPV strains, and separately from strains isolated in Europe, South America and North America. Amino acid changes never reported before were observed in NS1 (Thr70Pro, Cys287Tyr), VP1 (Lys17Arg, Phe33Leu) and VP2 (Gln365His, Ala516Val). Additional observed mutations, including Phe267Tyr, Tyr324Ile and Gln370Arg, have been previously reported in the recent CPV‐2c strains with Asian origins. These results suggest that the Korean CPV‐2c strains were potentially introduced via neighbouring Asian countries.
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Affiliation(s)
- Bo-Youn Moon
- Animal Disease Diagnosis Division, Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea
| | - Jiung Jang
- Animal Disease Diagnosis Division, Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea.,College of Veterinary Medicine & Animal Disease Intervention Center, Kyungpook National University, Daegu, Republic of Korea
| | - Seong-Hee Kim
- Animal Disease Diagnosis Division, Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea
| | - Yeon-Hee Kim
- Animal Disease Diagnosis Division, Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea
| | | | - ByungJae So
- Animal Disease Diagnosis Division, Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea
| | - Choi-Kyu Park
- College of Veterinary Medicine & Animal Disease Intervention Center, Kyungpook National University, Daegu, Republic of Korea
| | - Kyoung-Ki Lee
- Animal Disease Diagnosis Division, Animal and Plant Quarantine Agency, Gimcheon, Republic of Korea
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Inthong N, Kaewmongkol S, Meekhanon N, Sirinarumitr K, Sirinarumitr T. Dynamic evolution of canine parvovirus in Thailand. Vet World 2020; 13:245-255. [PMID: 32255965 PMCID: PMC7096304 DOI: 10.14202/vetworld.2020.245-255] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Accepted: 12/27/2019] [Indexed: 12/12/2022] Open
Abstract
Background and Aim: According to the previous study, the circulating canine parvovirus (CPV) in Thailand is 2a and 2b. Nowadays, CPV mutants, including CPV-2c, have been identified in many parts of the world. This study aimed to investigate the genetic diversity of the circulating CPV in Thailand. Materials and Methods: Eighty-five CPV-positive fecal samples were obtained from dogs with either acute hemorrhagic diarrhea or diarrhea. The complete VP2 gene of these samples was amplified using VP2 specific primers and polymerase chain reaction (PCR). The obtained full-length VP2 sequences were analyzed and a phylogenetic tree was constructed. Results: Sixty and 25 CPV-positive fecal samples were collected in 2010 and 2018, respectively. Thirty-four samples were new CPV-2a and 31 samples were new CPV-2b due to amino acids substitution at position 297 (Ser-Ala). In 2018, 5 new CPV-2a, 19 CPV-2c, and 1 feline panleukopenia virus (FPV) were found, but no new CPV-2b was detected. Moreover, most of the CPV in this study had amino acids mutations at positions 324 and 440. The phylogenetic construction demonstrated the close relationship between the current new CPV-2a with the previous CPV-2a reported from Thailand, China, Uruguay, Vietnam, Singapore, and India. Interestingly, the current new CPV-2b in this study was not closely related to the previous CPV-2b reported in Thailand. The CPV-2c in this study was closer to Asian CPV-2c and further from either European or South America CPV-2c. Interestingly, FPV was identified in a diarrhea dog. Conclusion: The evolution of CPV in Thailand is very dynamic. Thus, it is important to monitor for CPV mutants and especially the clinical signs relating to these mutants to conduct surveillance for the emergence of new highly pathogenic CPV in the future.
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Affiliation(s)
- N Inthong
- Center for Agricultural Biotechnology, Kasetsart University, Kamphaeng Sean Campus, Nakhon Pathom 73140, Thailand.,Center of Excellence on Agricultural Biotechnology: (AG-BIO/PERDO-CHE), Bangkok 10900, Thailand.,Department of Veterinary Technology, Faculty of Veterinary Technology, Kasetsart University, 50 Ngamwongwan Road, Chatuchak 10900, Thailand
| | - S Kaewmongkol
- Department of Veterinary Technology, Faculty of Veterinary Technology, Kasetsart University, 50 Ngamwongwan Road, Chatuchak 10900, Thailand
| | - N Meekhanon
- Department of Veterinary Technology, Faculty of Veterinary Technology, Kasetsart University, 50 Ngamwongwan Road, Chatuchak 10900, Thailand
| | - K Sirinarumitr
- Center of Excellence on Agricultural Biotechnology: (AG-BIO/PERDO-CHE), Bangkok 10900, Thailand.,Department of Companion Animal Clinical Sciences, Faculty of Veterinary Medicine, Kasetsart University, 50 Ngamwongwan Road, Chatuchak 10900, Thailand
| | - T Sirinarumitr
- Center of Excellence on Agricultural Biotechnology: (AG-BIO/PERDO-CHE), Bangkok 10900, Thailand.,Department of Pathology, Faculty of Veterinary Medicine, Kasetsart University, 50 Ngamwongwan Road, Chatuchak, Bangkok 10900, Thailand
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11
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Evidence of CPV2c introgression into Croatia and novel insights into phylogeny and cell tropism. Sci Rep 2019; 9:16909. [PMID: 31729462 PMCID: PMC6858334 DOI: 10.1038/s41598-019-53422-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Accepted: 10/28/2019] [Indexed: 12/16/2022] Open
Abstract
Canine parvovirus type 2 (CPV2) emerged for the first time in 1978 and evolved into two antigenic variants CPV2a and CPV2b and the third new antigenic variant CPV2c reported in 2000 in Italy. During 2014 unexplained outbreaks of gastroenteritis were observed in kennels where an extensive vaccination program was ongoing and where vaccinated animals showed pathologic lesions consistent with typical parvovirosis. The aim of this study was to investigate whether CPV2 could have played a role in the emergence of these cases and to evaluate genetic or pathological specificities of the virus and the disease. Using PCR and phylogenetic analysis we showed that the CPV2c variant is circulating in Croatia and is in close relationships with isolates from North and South America. Histopathological lesions and cell tropism that are known for CPV2 we are reporting the identification of the virus in glial cells and ovaries. It seems that evolution of CPV and CPV2a-c and adaptation to dogs are two independent events. Croatian isolates had specific and some unique amino acid mutations under positive selection. The effect of the alterations on the immunoglobulin binding cannot be excluded.
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12
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Polat PF, Şahan A, Aksoy G, Timurkan MO, Dinçer E. Molecular and restriction fragment length polymorphism analysis of canine parvovirus 2 (CPV-2) in dogs in southeast Anatolia, Turkey. ACTA ACUST UNITED AC 2019; 86:e1-e8. [PMID: 31478735 PMCID: PMC6739549 DOI: 10.4102/ojvr.v86i1.1734] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 03/18/2019] [Accepted: 03/19/2019] [Indexed: 11/04/2022]
Abstract
Canine parvovirus-2 (CPV-2) is the aetiological agent of an infectious viral disease of dogs, characterised by diarrhoea and vomiting. Mutations of the CPV-2 genome have generated new variants circulating worldwide. This article reports the molecular analysis of CPV-2 variants collected in the dog population in southeast Anatolia, Turkey. Twenty blood samples previously taken for the laboratory diagnosis of dogs with suspected parvovirus were screened for CPV-2 by polymerase chain reaction (PCR). Of the 20 samples, 18 tested positive for CPV-2. Partial VP2 gene sequencing and restriction fragment length polymorphism (RFLP) analysis revealed CPV-2a (n = 1), CPV-2b (n = 16) and CPV-2c (n = 1) variants. Phylogenetic analysis based on the partial length VP2 gene showed that CPV-2b (n = 15) variants showed sequences clustering separately in the phylogenetic tree. The CPV-2c sample was phylogenetically related to Chinese strains and Indonesia strain, whereas the CPV-2a sample was phylogenetically related to the Portuguese strain. These results, which are the first to demonstrate the presence of CPV-2c in the dog population of southeast Anatolia, Turkey, indicate that CPV-2a/2b/2c variants co-exist in Turkey’s dog population.
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Affiliation(s)
- Pelin F Polat
- Department of Internal Medicine, Faculty of Veterinary Medicine, Harran University, Sanliurfa.
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13
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Diagnostics and genotyping of Canine parvovirus type 2 (CPV-2) from disease cases in south-eastern Poland. ACTA VET-BEOGRAD 2019. [DOI: 10.2478/acve-2019-0002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Abstract
Canine parvovirus type 2 is one of the most common causes of death among puppies. Despite preventive vaccination, the disease continues to be diagnosed. The aim of the study was to provide a molecular characterization of CPV-2 isolates found in southeastern Poland. Genetic CPV-2 material was isolated from the blood (n=10) and feces (n=50) of infected dogs. The presence of CPV-2 was confirmed by amplification of sequences coding both VP1 and VP2 protein. The products of the PCR reaction with primers amplifying VP2 protein were sequenced and used for genotyping. Bioinformatics analysis of the sequenced PCR product was performed to determine the phylogenetic relationships with variants recorded in the public databases. Based on the analysis of polymorphism in the nucleotide sequence 7 nucleotide variants were detected and assigned into four amino acid groups. Representatives of three groups contained asparagine at amino acid position 426 of the VP2 protein, which is characteristic of CPV-2a. The variant from the fourth group belonged to type CPV-2b. CPV-2a is the dominant antigenic type of CPV-2 in Poland. The pathogen’s high degree of polymorphism is manifested not only by the presence of numerous variants within the type, but also by the presence of representatives of type CPV-2b. Further studies of the molecular epidemiology of CPV-2 are necessary to optimize the effectiveness of preventive measures.
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14
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Mira F, Dowgier G, Purpari G, Vicari D, Di Bella S, Macaluso G, Gucciardi F, Randazzo V, Decaro N, Guercio A. Molecular typing of a novel canine parvovirus type 2a mutant circulating in Italy. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2018; 61:67-73. [PMID: 29548803 PMCID: PMC7185394 DOI: 10.1016/j.meegid.2018.03.010] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/13/2017] [Revised: 03/08/2018] [Accepted: 03/11/2018] [Indexed: 01/20/2023]
Abstract
Canine parvovirus (CPV) is the etiological agent of a severe viral disease of dogs. After its emergence in late 1970s, the CPV original type (CPV-2) was rapidly and totally replaced by three antigenic variants named CPV-2a, CPV-2b and CPV-2c. CPV has an evolutionary rate nearest to those of RNA viruses, with consequences on disease diagnosis and epidemiology. This paper reports the molecular characterization of eight CPV-2a strains collected from dogs in Italy in 2016-2017. Genetic analysis was conducted on a CPV genomic region encompassing both open reading frames (ORFs) encoding for nonstructural (NS1-NS2) and structural proteins (VP1-VP2). Sequence analysis indicates new and unreported sequence changes, mainly affecting the VP2 gene, which included the mutation Tyr324Leu. This study represents the first evidence of a new CPV-2a mutant (VP2 324Leu) and illustrates the importance of a continuous molecular survey in order to obtain more information on effective spread of new CPV mutants.
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Affiliation(s)
- Francesco Mira
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy.
| | - Giulia Dowgier
- Department of Veterinary Medicine, University of Bari, Strada provinciale per Casamassima Km 3, 70010 Valenzano, Bari, Italy
| | - Giuseppa Purpari
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy
| | - Domenico Vicari
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy
| | - Santina Di Bella
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy
| | - Giusi Macaluso
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy
| | - Francesca Gucciardi
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy
| | - Vincenzo Randazzo
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy
| | - Nicola Decaro
- Department of Veterinary Medicine, University of Bari, Strada provinciale per Casamassima Km 3, 70010 Valenzano, Bari, Italy
| | - Annalisa Guercio
- Istituto Zooprofilattico Sperimentale della Sicilia, Via Gino Marinuzzi 3, 90129 Palermo, Italy
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15
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la Torre DD, Mafla E, Puga B, Erazo L, Astolfi-Ferreira C, Ferreira AP. Molecular characterization of canine parvovirus variants (CPV-2a, CPV-2b, and CPV-2c) based on the VP2 gene in affected domestic dogs in Ecuador. Vet World 2018; 11:480-487. [PMID: 29805214 PMCID: PMC5960788 DOI: 10.14202/vetworld.2018.480-487] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Accepted: 03/22/2018] [Indexed: 11/16/2022] Open
Abstract
Aim The objective of this study was to determine the presence of the variants of canine parvovirus (CPV)-2 in the city of Quito, Ecuador, due to the high domestic and street-type canine population, and to identify possible mutations at a genetic level that could be causing structural changes in the virus with a consequent influence on the immune response of the hosts. Materials and Methods Thirty-five stool samples from different puppies with characteristic signs of the disease and positives for CPV through immunochromatography kits were collected from different veterinarian clinics of the city. Polymerase chain reaction and DNA sequencing were used to determine the mutations in residue 426 of the VP2 gene, which determines the variants of CPV-2; in addition, four samples were chosen for complete sequencing of the VP2 gene to identify all possible mutations in the circulating strains in this region of the country. Results The results revealed the presence of the three variants of CPV-2 with a prevalence of 57.1% (20/35) for CPV-2a, 8.5% (3/35) for CPV-2b, and 34.3% (12/35) for CPV-2c. In addition, complete sequencing of the VP2 gene showed amino acid substitutions in residues 87, 101, 139, 219, 297, 300, 305, 322, 324, 375, 386, 426, 440, and 514 of the three Ecuadorian variants when compared with the original CPV-2 sequence. Conclusion This study describes the detection of CPV variants in the city of Quito, Ecuador. Variants of CPV-2 (2a, 2b, and 2c) have been reported in South America, and there are cases in Ecuador where CVP-2 is affecting even vaccinated puppies.
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Affiliation(s)
- David De la Torre
- Department of Pathology, School of Veterinary Medicine, University of São Paulo, Av. Prof. Orlando Marques de Paiva, 87, CEP 05508-270, São Paulo, Brazil
- Department of Pathology, School of Veterinary Medicine and Animal Science, Central University of Ecuador, EC170521, Quito, Ecuador
| | - Eulalia Mafla
- Department of Pathology, School of Veterinary Medicine, University of São Paulo, Av. Prof. Orlando Marques de Paiva, 87, CEP 05508-270, São Paulo, Brazil
| | - Byron Puga
- Department of Pathology, School of Veterinary Medicine and Animal Science, Central University of Ecuador, EC170521, Quito, Ecuador
| | - Linda Erazo
- Department of Pathology, School of Veterinary Medicine and Animal Science, Central University of Ecuador, EC170521, Quito, Ecuador
| | - Claudete Astolfi-Ferreira
- Department of Pathology, School of Veterinary Medicine, University of São Paulo, Av. Prof. Orlando Marques de Paiva, 87, CEP 05508-270, São Paulo, Brazil
| | - Antonio Piantino Ferreira
- Department of Pathology, School of Veterinary Medicine, University of São Paulo, Av. Prof. Orlando Marques de Paiva, 87, CEP 05508-270, São Paulo, Brazil
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16
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Phylodynamic and Genetic Diversity of Canine Parvovirus Type 2c in Taiwan. Int J Mol Sci 2017; 18:ijms18122703. [PMID: 29236084 PMCID: PMC5751304 DOI: 10.3390/ijms18122703] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Revised: 12/04/2017] [Accepted: 12/09/2017] [Indexed: 11/20/2022] Open
Abstract
Canine parvovirus type 2c (CPV-2c) emerged in 2000 and is known for causing a more severe disease than other CPV-2 variants in puppies. In 2015, the emerging CPV-2c variant was isolated in Taiwan and it subsequently became the predominant variant. To trace the evolution of Taiwanese CPV-2c, we compared complete VP2 genes of CPV-2c from Taiwan and sequences obtained from GenBank. The evolutionary rate of CPV-2c was estimated to be 4.586 × 10−4 substitutions per site per year (95% highest posterior density (HPD) was 3.284–6.076 × 10−4). The time to the most recent common ancestor (TMRCA) dated to 1990 (95% HPD: 1984–1996) and 2011 (95% HPD: 2010–2013) for the CPV-2c variant and Taiwanese isolates, respectively. The CPV-2c variant isolated from Taiwan was clustered with CPV-2c from China. This phylogenetic clade began to branch off in approximately 2010 (95% HPD was 3.823–6.497). Notably, two unique mutations of Taiwanese CPV-2c were found, Q383R and P410L. In summary, this is the first report on the genome evolution of CPV-2c in Taiwan, revealing that this CPV-2c variant shares a common evolutionary origin with strains from China. The demographic history inferred by the Bayesian skyline plot showed that the effective population of CPV-2c increased until 2006 and then slowly declined until 2011.
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17
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Mira F, Purpari G, Lorusso E, Di Bella S, Gucciardi F, Desario C, Macaluso G, Decaro N, Guercio A. Introduction of Asian canine parvovirus in Europe through dog importation. Transbound Emerg Dis 2017; 65:16-21. [PMID: 29134762 PMCID: PMC7169687 DOI: 10.1111/tbed.12747] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Indexed: 11/29/2022]
Abstract
Canine parvovirus (CPV) is an important infectious agent of domestic and wild carnivores, responsible for severe and often fatal haemorrhagic gastroenteritis and leukopenia. This paper reports the genomic characterization of a CPV strain collected from a dog recently imported to Italy from Thailand. The virus was detected in all tissue samples collected. The whole genome encompassing the two open reading frames encoding for non‐structural (NS1/NS2) and structural (VP1/VP2) proteins was amplified and sequenced. On the basis of genetic analysis of the VP2 gene, the isolate was characterized as CPV‐2c, but it presented genetic signatures typical of Asian strains. Sequence analysis revealed the presence of amino acid changes never observed in European CPV‐2c strains (NS1: Ile60Val, Tyr544Phe, Glu545Val, Leu630Pro; VP2: Ala5Gly, Phe267Tyr, Tyr324Ile, Gln370Arg). By phylogenetic analysis of full‐length VP2 gene, the analysed strain clustered together with Asian viruses. Therefore, a possible introduction of the virus from Asia through the imported dog was suggested, thus confirming the important role of movement of dogs in the global spread of viruses. In addition, full‐length genome analysis could help better trace the spread of canine viruses through different continents.
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Affiliation(s)
- F Mira
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - G Purpari
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - E Lorusso
- Department of Veterinary Medicine, University of Bari, Bari, Italy
| | - S Di Bella
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - F Gucciardi
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - C Desario
- Department of Veterinary Medicine, University of Bari, Bari, Italy
| | - G Macaluso
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - N Decaro
- Department of Veterinary Medicine, University of Bari, Bari, Italy
| | - A Guercio
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
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18
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Mukhopadhyay HK, Nookala M, Thangamani NRK, Sivaprakasam A, Antony PX, Thanislass J, Srinivas MV, Pillai RM. Molecular characterisation of parvoviruses from domestic cats reveals emergence of newer variants in India. J Feline Med Surg 2017; 19:846-852. [PMID: 27502089 PMCID: PMC11104114 DOI: 10.1177/1098612x16661375] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/27/2024]
Abstract
Objectives The present study was undertaken to characterise the viral polypeptide 2 (VP2) gene of parvovirus from domestic cats in India. Methods The faecal samples from diarrhoeic/healthy domestic cats were collected from different geographical regions of India for screening by PCR assay followed by sequence analysis of the VP2 gene. Results Canine parvovirus (CPV)/feline panleukopenia virus (FPV) infections were found in 12 (11.3%) of 106 faecal samples tested. Two new CPV-2a (297Ala and Asn426) and three FPV strains were identified by VP2 gene analysis. Several unique and existing amino acid mutations were found, suggesting continuous evolution and emergence of newer variants. The phylogenetic analysis of the CPV sequences revealed that the two new CPV-2a strains from Mumbai (MC8) and Puducherry (P15) were clustered together in a single clade but had evolved independently and were ancestrally related to Chinese CPV-2a isolates. The FPV sequences (T-C-6 and T-C-1) from Thrissur, Kerala, formed a different clade (FPV clade) and were closely related to each other and had an ancestral relationship with an FPV isolate from the USA. Another FPV isolate from Goa (GC1) was positioned in the same clade but had evolved independently. Conclusions and relevance Detection of CPV in both diarrhoeic/healthy cats and the occurrence of FPV infection in a vaccinated cat provide new insights into parvovirus infections in cats in India.
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Affiliation(s)
- Hirak K Mukhopadhyay
- Department of Veterinary Microbiology, Rajiv Gandhi Institute of Veterinary Education and Research, Puducherry, India
| | - Mangadevi Nookala
- Department of Veterinary Microbiology, Rajiv Gandhi Institute of Veterinary Education and Research, Puducherry, India
| | - Nobal RK Thangamani
- Department of Veterinary Microbiology, Rajiv Gandhi Institute of Veterinary Education and Research, Puducherry, India
| | - Amsaveni Sivaprakasam
- Department of Veterinary Microbiology, Rajiv Gandhi Institute of Veterinary Education and Research, Puducherry, India
| | - Prabhakar X Antony
- Department of Veterinary Microbiology, Rajiv Gandhi Institute of Veterinary Education and Research, Puducherry, India
| | - Jacob Thanislass
- Department of Veterinary Biochemistry, Rajiv Gandhi Institute of Veterinary Education and Research, Puducherry, India
| | - Mouttou V Srinivas
- Department of Veterinary Microbiology, Rajiv Gandhi Institute of Veterinary Education and Research, Puducherry, India
| | - Raghavan M Pillai
- Department of Veterinary Microbiology, Rajiv Gandhi Institute of Veterinary Education and Research, Puducherry, India
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19
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Miranda C, Thompson G. Canine parvovirus: the worldwide occurrence of antigenic variants. J Gen Virol 2016; 97:2043-2057. [PMID: 27389721 DOI: 10.1099/jgv.0.000540] [Citation(s) in RCA: 142] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
Abstract
The most important enteric virus infecting canids is canine parvovirus type 2 (CPV-2). CPV is the aetiologic agent of a contagious disease, mainly characterized by clinical gastroenteritis signs in younger dogs. CPV-2 emerged as a new virus in the late 1970s, which could infect domestic dogs, and became distributed in the global dog population within 2 years. A few years later, the virus's original type was replaced by a new genetic and antigenic variant, called CPV-2a. Around 1984 and 2000, virus variants with the single change to Asp or Glu in the VP2 residue 426 were detected (sometimes termed CPV-2b and -2c). The genetic and antigenic changes in the variants have also been correlated with changes in their host range; in particular, in the ability to replicate in cats and also host range differences in canine and other tissue culture cells. CPV-2 variants have been circulating among wild carnivores and have been well-documented in several countries around the world. Here, we have reviewed and summarized the current information about the worldwide distribution and evolution of CPV-2 variants since they emerged, as well as the host ranges they are associated with.
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Affiliation(s)
- Carla Miranda
- Department of Veterinary Clinics, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto, 4050-313 Porto, Portugal.,Centro de Investigação em Biodiversidade e Recursos Genéticos (CIBIO), InBio, Laboratório Associado, Universidade do Porto, 4485-661 Vairão, Portugal
| | - Gertrude Thompson
- Department of Veterinary Clinics, Instituto de Ciências Biomédicas de Abel Salazar (ICBAS), Universidade do Porto, 4050-313 Porto, Portugal.,Centro de Investigação em Biodiversidade e Recursos Genéticos (CIBIO), InBio, Laboratório Associado, Universidade do Porto, 4485-661 Vairão, Portugal
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20
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Pedroza-Roldán C, Páez-Magallan V, Charles-Niño C, Elizondo-Quiroga D, De Cervantes-Mireles RL, López-Amezcua MA. Genotyping of Canine parvovirus in western Mexico. J Vet Diagn Invest 2015; 27:107-11. [PMID: 25525144 DOI: 10.1177/1040638714559969] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Canine parvovirus (CPV) is one of the most common infectious agents related to high morbidity rates in dogs. In addition, the virus is associated with severe gastroenteritis, diarrhea, and vomiting, resulting in high death rates, especially in puppies and nonvaccinated dogs. To date, there are 3 variants of the virus (CPV-2a, CPV-2b, and CPV-2c) circulating worldwide. In Mexico, reports describing the viral variants circulating in dog populations are lacking. In response to this deficiency, a total of 41 fecal samples of suspected dogs were collected from October 2013 through April 2014 in the Veterinary Hospital of the University of Guadalajara in western Mexico. From these, 24 samples resulted positive by polymerase chain reaction, and the viral variant was determined by restriction fragment length polymorphism. Five positive diagnosed samples were selected for partial sequencing of the vp2 gene and codon analysis. The results demonstrated that the current dominant viral variant in Mexico is CPV-2c. The current study describes the genotyping of CPV strains, providing valuable evidence of the dominant frequency of this virus in a dog population from western Mexico.
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Affiliation(s)
- César Pedroza-Roldán
- Department of Veterinary Medicine, University Center for Biological and Agricultural Sciences (CUCBA), University of Guadalajara, Zapopan, Jalisco, Mexico (Pedroza-Roldán, Páez-Magallan, De Cervantes-Mireles, López-Amezcua)Department of Microbiology and Pathology, University Center for Health Sciences (CUCS), University of Guadalajara, Guadalajara, Jalisco, Mexico (Charles-Niño)Medical and Pharmaceutical Biotechnology Unit, Center for Research and Applied Technology in Jalisco (CIATEJ)Guadalajara, Jalisco, Mexico (Elizondo-Quiroga)
| | - Varinia Páez-Magallan
- Department of Veterinary Medicine, University Center for Biological and Agricultural Sciences (CUCBA), University of Guadalajara, Zapopan, Jalisco, Mexico (Pedroza-Roldán, Páez-Magallan, De Cervantes-Mireles, López-Amezcua)Department of Microbiology and Pathology, University Center for Health Sciences (CUCS), University of Guadalajara, Guadalajara, Jalisco, Mexico (Charles-Niño)Medical and Pharmaceutical Biotechnology Unit, Center for Research and Applied Technology in Jalisco (CIATEJ)Guadalajara, Jalisco, Mexico (Elizondo-Quiroga)
| | - Claudia Charles-Niño
- Department of Veterinary Medicine, University Center for Biological and Agricultural Sciences (CUCBA), University of Guadalajara, Zapopan, Jalisco, Mexico (Pedroza-Roldán, Páez-Magallan, De Cervantes-Mireles, López-Amezcua)Department of Microbiology and Pathology, University Center for Health Sciences (CUCS), University of Guadalajara, Guadalajara, Jalisco, Mexico (Charles-Niño)Medical and Pharmaceutical Biotechnology Unit, Center for Research and Applied Technology in Jalisco (CIATEJ)Guadalajara, Jalisco, Mexico (Elizondo-Quiroga)
| | - Darwin Elizondo-Quiroga
- Department of Veterinary Medicine, University Center for Biological and Agricultural Sciences (CUCBA), University of Guadalajara, Zapopan, Jalisco, Mexico (Pedroza-Roldán, Páez-Magallan, De Cervantes-Mireles, López-Amezcua)Department of Microbiology and Pathology, University Center for Health Sciences (CUCS), University of Guadalajara, Guadalajara, Jalisco, Mexico (Charles-Niño)Medical and Pharmaceutical Biotechnology Unit, Center for Research and Applied Technology in Jalisco (CIATEJ)Guadalajara, Jalisco, Mexico (Elizondo-Quiroga)
| | - Raúl Leonel De Cervantes-Mireles
- Department of Veterinary Medicine, University Center for Biological and Agricultural Sciences (CUCBA), University of Guadalajara, Zapopan, Jalisco, Mexico (Pedroza-Roldán, Páez-Magallan, De Cervantes-Mireles, López-Amezcua)Department of Microbiology and Pathology, University Center for Health Sciences (CUCS), University of Guadalajara, Guadalajara, Jalisco, Mexico (Charles-Niño)Medical and Pharmaceutical Biotechnology Unit, Center for Research and Applied Technology in Jalisco (CIATEJ)Guadalajara, Jalisco, Mexico (Elizondo-Quiroga)
| | - Mario Alberto López-Amezcua
- Department of Veterinary Medicine, University Center for Biological and Agricultural Sciences (CUCBA), University of Guadalajara, Zapopan, Jalisco, Mexico (Pedroza-Roldán, Páez-Magallan, De Cervantes-Mireles, López-Amezcua)Department of Microbiology and Pathology, University Center for Health Sciences (CUCS), University of Guadalajara, Guadalajara, Jalisco, Mexico (Charles-Niño)Medical and Pharmaceutical Biotechnology Unit, Center for Research and Applied Technology in Jalisco (CIATEJ)Guadalajara, Jalisco, Mexico (Elizondo-Quiroga)
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21
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Geng Y, Guo D, Li C, Wang E, Wei S, Wang Z, Yao S, Zhao X, Su M, Wang X, Wang J, Wu R, Feng L, Sun D. Co-Circulation of the Rare CPV-2c with Unique Gln370Arg Substitution, New CPV-2b with Unique Thr440Ala Substitution, and New CPV-2a with High Prevalence and Variation in Heilongjiang Province, Northeast China. PLoS One 2015; 10:e0137288. [PMID: 26348721 PMCID: PMC4562665 DOI: 10.1371/journal.pone.0137288] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2015] [Accepted: 08/16/2015] [Indexed: 01/22/2023] Open
Abstract
To trace evolution of canine parvovirus-2 (CPV-2), a total of 201 stool samples were collected from dogs with diarrhea in Heilongjiang province of northeast China from May 2014 to April 2015. The presence of CPV-2 in the samples was determined by PCR amplification of the VP2 gene (568 bp) of CPV-2. The results revealed that 95 samples (47.26%) were positive for CPV-2, and they showed 98.8%–100% nucleotide identity and 97.6%–100% amino acid identity. Of 95 CPV-2-positive samples, types new2a (Ser297Ala), new2b (Ser297Ala), and 2c accounted for 64.21%, 21.05%, and 14.74%, respectively. The positive rate of CPV-2 and the distribution of the new2a, new2b and 2c types exhibited differences among regions, seasons, and ages. Immunized dogs accounted for 48.42% of 95 CPV-2-positive samples. Coinfections with canine coronavirus, canine kobuvirus, and canine bocavirus were identified. Phylogenetic analysis revealed that the identified new2a, new2b, and CPV-2c strains in our study exhibited a close relationship with most of the CPV-2 strains from China; type new2a strains exhibited high variability, forming three subgroups; type new2b and CPV-2c strains formed one group with reference strains from China. Of 95 CPV-2 strains, Tyr324Ile and Thr440Ala substitutions accounted for 100% and 64.21%, respectively; all type new2b strains exhibited the Thr440Ala substitution, while the unique Gln370Arg substitution was found in all type 2c strains. Recombination analysis using entire VP2 gene indicated possible recombination events between the identified CPV-2 strains and reference strains from China. Our data revealed the co-circulation of new CPV-2a, new CPV-2b, and rare CPV-2c, as well as potential recombination events among Chinese CPV-2 strains.
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Affiliation(s)
- Yufei Geng
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, P. R. China
| | - Donghua Guo
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, P. R. China
| | - Chunqiu Li
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, P. R. China
| | - Enyu Wang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, P. R. China
| | - Shan Wei
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, P. R. China
| | - Zhihui Wang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, P. R. China
| | - Shuang Yao
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, P. R. China
| | - Xiwen Zhao
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, P. R. China
| | - Mingjun Su
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, P. R. China
| | - Xinyu Wang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, P. R. China
| | - Jianfa Wang
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, P. R. China
| | - Rui Wu
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, P. R. China
| | - Li Feng
- National Key Laboratory of Veterinary Biotechnology, Harbin Veterinary Research Institute of the Chinese Academy of Agricultural Sciences, No. 427 Maduan Street, Nangang District, Harbin 150001, P. R. China
| | - Dongbo Sun
- College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, No. 2 Xinyang Road, Sartu District, Daqing 163319, P. R. China
- * E-mail:
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Zhao H, Wang J, Jiang Y, Cheng Y, Lin P, Zhu H, Han G, Yi L, Zhang S, Guo L, Cheng S. Typing of Canine Parvovirus Strains Circulating in North-East China. Transbound Emerg Dis 2015; 64:495-503. [DOI: 10.1111/tbed.12390] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Indexed: 11/30/2022]
Affiliation(s)
- H. Zhao
- State Key Laboratory for Molecular Biology of Special Economic Animals; Institute of Special Animal and Plant Sciences; Chinese Academy of Agricultural Sciences; Changchun China
| | - J. Wang
- State Key Laboratory for Molecular Biology of Special Economic Animals; Institute of Special Animal and Plant Sciences; Chinese Academy of Agricultural Sciences; Changchun China
| | - Y. Jiang
- Northeast Agricultural University; Harbin China
| | - Y. Cheng
- State Key Laboratory for Molecular Biology of Special Economic Animals; Institute of Special Animal and Plant Sciences; Chinese Academy of Agricultural Sciences; Changchun China
| | - P. Lin
- State Key Laboratory for Molecular Biology of Special Economic Animals; Institute of Special Animal and Plant Sciences; Chinese Academy of Agricultural Sciences; Changchun China
| | - H. Zhu
- State Key Laboratory for Molecular Biology of Special Economic Animals; Institute of Special Animal and Plant Sciences; Chinese Academy of Agricultural Sciences; Changchun China
| | - G. Han
- Lanzhou Veterinary Research Institute; Chinese Academy of Agricultural Sciences; Lanzhou China
| | - L. Yi
- State Key Laboratory for Molecular Biology of Special Economic Animals; Institute of Special Animal and Plant Sciences; Chinese Academy of Agricultural Sciences; Changchun China
| | - S. Zhang
- State Key Laboratory for Molecular Biology of Special Economic Animals; Institute of Special Animal and Plant Sciences; Chinese Academy of Agricultural Sciences; Changchun China
| | - L. Guo
- State Key Laboratory for Molecular Biology of Special Economic Animals; Institute of Special Animal and Plant Sciences; Chinese Academy of Agricultural Sciences; Changchun China
| | - S. Cheng
- State Key Laboratory for Molecular Biology of Special Economic Animals; Institute of Special Animal and Plant Sciences; Chinese Academy of Agricultural Sciences; Changchun China
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23
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Yi L, Tong M, Cheng Y, Song W, Cheng S. Phylogenetic Analysis of Canine Parvovirus VP2 Gene in China. Transbound Emerg Dis 2014; 63:e262-9. [DOI: 10.1111/tbed.12268] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Indexed: 01/12/2023]
Affiliation(s)
- L. Yi
- Institute of Special Wild Economic Animal and Plant Science; Chinese Academy of Agricultural Sciences; Changchun Jilin province China
| | - M. Tong
- Institute of Special Wild Economic Animal and Plant Science; Chinese Academy of Agricultural Sciences; Changchun Jilin province China
| | - Y. Cheng
- Institute of Special Wild Economic Animal and Plant Science; Chinese Academy of Agricultural Sciences; Changchun Jilin province China
| | - W. Song
- Wuhan ZhenAi Pet Clinic; Jiang'an District Wuhan Hubei province China
| | - S. Cheng
- Institute of Special Wild Economic Animal and Plant Science; Chinese Academy of Agricultural Sciences; Changchun Jilin province China
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24
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First isolation of new canine parvovirus 2a from Tibetan mastiff and global analysis of the full-length VP2 gene of canine parvoviruses 2 in China. Int J Mol Sci 2014; 15:12166-87. [PMID: 25007818 PMCID: PMC4139836 DOI: 10.3390/ijms150712166] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2014] [Revised: 06/20/2014] [Accepted: 06/25/2014] [Indexed: 11/18/2022] Open
Abstract
Canine parvovirus 2 (CPV-2) was first identified in 1978, and is responsible for classic parvoviral enteritis. Despite the widespread vaccination of domestic carnivores, CPVs have remained important pathogens of domestic and wild carnivores. In this study, we isolated CPV-2 from Tibetan mastiffs and performed a global analysis of the complete VP2 gene sequences of CPV-2 strains in China. Six isolates were typed as new CPV-2a, according to key amino acid positions. On a phylogenetic tree, these six sequences formed a distinct clade. Five isolates occurred on the same branch as KF785794 from China and GQ379049 from Thailand; CPV-LS-ZA1 formed a separate subgroup with FJ435347 from China. One hundred ninety-eight sequences from various parts of China and the six sequences isolated here formed seven distinct clusters, indicating the high diversity of CPVs in China. Of 204 VP2 sequences, 183 (91.04%) encoded the mutation Ser297Ala, regardless of the antigenic type, implying that most Chinese CPV-2 strains contain the VP2 mutation Ser297Ala. However, the biological significance of this change from prototype CPV-2a/2b to new CPV-2a/2b types remains unclear. This study is the first to isolate new CPV-2a from the Tibetan mastiff. Our data show that new CPV-2a/2b variants are now circulating in China.
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