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parvovirus dog

Mingxiang Li, Nan Yan, Conghui Ji, Min Wang, Bin Zhang, Hua Yue, Cheng Tang
The aim of this study was to investigate canine astrovirus (CaAstV) infection in southwest China. We collected 107 faecal samples from domestic dogs with obvious diarrhoea. Forty-two diarrhoeic samples (39.3 %) were positive for CaAstV by RT-PCR, and 41/42 samples showed co-infection with canine coronavirus (CCoV), canine parvovirus-2 (CPV-2) and canine distemper virus (CDV). Phylogenetic analysis based on 26 CaAstV partial ORF1a and ORF1b sequences revealed that most CaAstV strains showed unique evolutionary features...
May 30, 2018: Journal of General Virology
David De la Torre, Eulalia Mafla, Byron Puga, Linda Erazo, Claudete Astolfi-Ferreira, Antonio Piantino Ferreira
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...
April 2018: Veterinary World
Vito Martella, Gianvito Lanave, Eszter Mihalov-Kovács, Szilvia Marton, Renáta Varga-Kugler, Eszter Kaszab, Barbara Di Martino, Michele Camero, Nicola Decaro, Canio Buonavoglia, Krisztián Bányai
A novel protoparvovirus species, related genetically to human bufaviruses, was identified in dogs with respiratory signs. The canine bufavirus was distantly related to the well-known canine protoparvovirus, canine parvovirus type 2, sharing low amino acid identities in the nonstructural protein 1 (40.6%) and in the capsid protein 1 (33.4%). By screening collections of fecal, nasal, and oropharyngeal samples obtained from juvenile dogs (<1 year of age), canine bufavirus DNA appeared as a common component of canine virome...
June 2018: Emerging Infectious Diseases
Chhavi Sharma, Mithilesh Singh, Vikramaditya Upmanyu, Vishal Chander, Suman Verma, Soumendu Chakrovarty, Gaurav K Sharma, Himani Dhanze, Praveen Singh, Sameer Shrivastava, Jyoti Kumar, Tapas Kumar Goswami, V K Gupta
Canine parvovirus (CPV) is the leading viral cause of enteritis in dogs and occurs mainly in 6- to 8-week-old pups. Rapid diagnosis of CPV under field conditions is now possible due to commercially available immunochromatographic (IC) assays. However, these commercial kits are somewhat expensive because they utilize a minimum of two monoclonal antibodies (mAbs) targeting different epitopes as capture and detector antibodies. Using only a single mAb for both capture and detection purpose may reduce the sensitivity of the assay...
May 8, 2018: Archives of Virology
Yun Zheng, Xiangqi Hao, Xi Lin, Qingxu Zheng, Wenyan Zhang, Pei Zhou, Shoujun Li
Canine parvovirus (CPV) is a contagious disease in dogs that has high morbidity and mortality. In cases of infection, the pups tend to have a higher mortality and more severe clinical symptoms than the adult dogs because the dehydration is difficult for pups to bear. Following the natural infection, there is a rapid antibody response neutralizing the extracellular virus. As a result, virus titers in tissue and feces become markedly reduced. Hence, it is important to have an effective symptomatic therapy of supporting animals to survive in the early stages of CPV infection...
April 27, 2018: Microbial Pathogenesis
Xiaoyu Deng, Jiali Zhang, Jiazi Su, Hao Liu, Yanlong Cong, Lei Zhang, Kemeng Zhang, Ning Shi, Rongguang Lu, Xijun Yan
The aim of this study was to establish a multiplex PCR (mPCR) method that can simultaneously detect canine parvovirus (CPV-2), canine coronavirus (CCoV) and canine adenovirus (CAV), thereby eliminating the need to detect these pathogens individually. Based on conserved regions in the genomes of these three viruses, the VP2 gene of CPV-2, the endoribonuclease nsp15 gene of CCoV, and the 52K gene of CAV were selected for primer design. The specificity of the mPCR results showed no amplification of canine distemper virus (CDV), canine parainfluenza virus (CPIV), or pseudorabies virus (PRV), indicating that the method had good specificity...
April 19, 2018: Archives of Virology
Romy M Heilmann, Aurélien Grellet, Niels Grützner, Shannon M Cranford, Jan S Suchodolski, Sylvie Chastant-Maillard, Jörg M Steiner
BACKGROUND: Previous data suggest that fecal S100A12 has clinical utility as a biomarker of chronic gastrointestinal inflammation (idiopathic inflammatory bowel disease) in both people and dogs, but the effect of gastrointestinal pathogens on fecal S100A12 concentrations is largely unknown. The role of S100A12 in parasite and viral infections is also difficult to study in traditional animal models due to the lack of S100A12 expression in rodents. Thus, the aim of this study was to evaluate fecal S100A12 concentrations in a cohort of puppies with intestinal parasites (Cystoisospora spp...
April 17, 2018: Parasites & Vectors
Sofía Grecco, Gregorio Iraola, Nicola Decaro, Alice Alfieri, Amauri Alfieri, Marina Gallo Calderón, Ana Paula da Silva, Daniela Name, Jaime Aldaz, Lucía Calleros, Ana Marandino, Gonzalo Tomás, Leticia Maya, Lourdes Francia, Yanina Panzera, Ruben Pérez
Canine parvovirus (CPV) is a fast-evolving single-stranded DNA virus that causes one of the most significant infectious diseases of dogs. Although the virus dispersed over long distances in the past, current populations are considered to be spatially confined and with only a few instances of migration between specific localities. It is unclear whether these dynamics occur in South America where global studies have not been performed. The aim of this study is to analyze the patterns of genetic variability in South American CPV populations and explore their evolutionary relationships with global strains...
January 2018: Virus Evolution
Miriam Leipig-Rudolph, Kathrin Busch, John F Prescott, Iman Mehdizadeh Gohari, Christian M Leutenegger, Walter Hermanns, Georg Wolf, Katrin Hartmann, Jutta Verspohl, Stefan Unterer
Acute hemorrhagic diarrhea syndrome (AHDS), formerly named canine hemorrhagic gastroenteritis, is one of the most common causes of acute hemorrhagic diarrhea in dogs, and is characterized by acute onset of diarrhea, vomiting, and hemoconcentration. To date, histologic examinations have been limited to postmortem specimens of only a few dogs with AHDS. Thus, the aim of our study was to describe in detail the distribution, character, and grade of microscopic lesions, and to investigate the etiology of AHDS. Our study comprised 10 dogs with AHDS and 9 control dogs of various breeds, age, and sex...
April 1, 2018: Journal of Veterinary Diagnostic Investigation
Hongchao Wu, Xiangdong Li, Lingxiao Wang, Yuxiu Liu, Kegong Tian
Canine parvovirus (CPV) can cause severe disease in animals, especially in dogs, and continuously generates new variants. In this study, the complete VP2 genes of 59 CPV isolates from clinical diseased dogs between 2015 and 2016 in 4 Chinese provinces were sequenced and analyzed. The results showed that new CPV-2a was still the prominent CPV genotype, followed by CPV-2c and new CPV-2b. CPV-2c with Ala5Gly and Gln370Arg mutations was first detected in Henan, Guangxi and Jiangsu provinces in China. A phylogenetic tree based on VP2 sequences showed that all isolates in this study formed a close lineage which separated from foreign isolates...
March 2018: Virusdisease
Raquel Quino Quispe, Luis Luna Espinoza, Rocío Rímac Beltrán, Raúl Rosadio Alcántara, Lenin Maturrano Hernández
Canine parvovirus type 2 (CPV-2) has been reported worldwide as the main agent related to acute hemorrhagic enteritis of high morbidity and variable mortality in puppies. The detection and characterization of this virus is essential to understand the etiology of the disease and to develop control measures. To characterize the virus circulating in Peruvian dogs and to provide new insights into the local diversity of CPV-2, rectal swabs from 39 puppies with clinical symptoms and with no history of previous vaccinations were analyzed...
March 2018: Virusdisease
Christian D B T Alves, Oscar F O Granados, Renata da F Budaszewski, André F Streck, Matheus N Weber, Samuel P Cibulski, Luciane D Pinto, Nilo Ikuta, Cláudio W Canal
Although the use of vaccines has controlled enteric diseases in dogs in many developed countries, vaccine coverage is still under optimal situation in Brazil. There is a large population of nonimmunized dogs and few studies about the identification of the viruses associated with diarrhea. To address this situation, stool samples from 325 dogs were analyzed by polymerase chain reaction for the detection of common enteric viruses such as Canine adenovirus (CAdV), Canine coronavirus (CCoV), Canine distemper virus (CDV), Canine rotavirus (CRV) and Carnivorous protoparvovirus 1 (canine parvovirus 2; CPV-2)...
March 15, 2018: Brazilian Journal of Microbiology: [publication of the Brazilian Society for Microbiology]
Miranda E Spindel, Matthew R Krecic, Margaret R Slater, Nicole Vigil
This cross-sectional study aimed to identify where dogs with negative antibody tests to canine parvovirus (CPV) and canine distemper virus (CDV) originated when entering a community shelter, using a commercially available ELISA antibody test and Geographic Information Systems mapping. Of 2745 canines entering during a three-month period, 1056 test results were obtained. Dogs or puppies weighing over 2 lb were eligible if they could be humanely, nonchemically restrained for phlebotomy. Age and minor health issues weren't exclusions...
March 20, 2018: Journal of Applied Animal Welfare Science: JAAWS
Francesco Mira, Giulia Dowgier, Giuseppa Purpari, Domenico Vicari, Santina Di Bella, Giusi Macaluso, Francesca Gucciardi, Vincenzo Randazzo, Nicola Decaro, Annalisa Guercio
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)...
July 2018: Infection, Genetics and Evolution
Elena Kilian, Jan S Suchodolski, Katrin Hartmann, Ralf S Mueller, Gerhard Wess, Stefan Unterer
BACKGROUND: Canine parvovirus (CPV) is the most important viral cause of acute canine enteritis leading to severe damage of the intestinal barrier. It has been speculated that dogs might develop chronic disorders after surviving CPV infection. However, no studies regarding the long-term implications of CPV infection have been published to date. The aim of this study was to evaluate whether dogs that have survived CPV infection will have an increased risk for developing chronic gastroenteritis, atopic dermatitis, or cardiac disease...
2018: PloS One
Nisar Ahmed, Adeel Riaz, Zahra Zubair, Muhammad Saqib, Sehrish Ijaz, Muhammad Shah Nawaz-Ul-Rehman, Ahmed Al-Qahtani, Muhammad Mubin
BACKGROUND: The infection in dogs due to canine parvovirus (CPV), is a highly contagious one with high mortality rate. The present study was undertaken for a detailed genetic analysis of partial VP2 gene i.e., 630 bp isolated from rectal swab samples of infected domestic and stray dogs from all areas of district Faisalabad. Monitoring of viruses is important, as continuous prevalence of viral infection might be associated with emergence of new virulent strains. METHODS: In the present study, 40 rectal swab samples were collected from diarrheic dogs from different areas of district Faisalabad, Pakistan, in 2014-15 and screened for the presence of CPV by immunochromatography...
March 15, 2018: Virology Journal
Yu Jia-Yu, Zhu Qian, Diao Fei-Fei, Teng Chuan-Jie, Peng Hui, Shang Yuan-Yuan, Zhao Yong-Feng, Wang Jian-Li, Shijin Jiang, Xie Zhi-Jing
Three parvoviruses were isolated from the raccoon dogs experiencing severe enteritis, named RDPV-DP1, RDPV-DP2 and RDPV-DP3, respectively. The VP2 genes of the 3 isolates showed 99.9% identity at the nucleotide level, and shared 99.1%-99.5% identity with the reference CPVs. The RDPVs resembled original CPV-2, but with four mutations. The RDPVs displayed S297A of VP2 protein as CPV-2a or CPV-2b prevalent throughout most of the world. Residue N375D was found in the 3 isolates, resembling CPV-2a/2b/2c. And the 3 isolates had a natural mutation of VP2 residue V562L, which is adjacent to residue 564 and 568 and might be involved in host range...
March 2018: Veterinary Microbiology
Przemysław Romiszewski, Krzysztof Kostro, Urszula Lisiecka
BACKGROUND: The aim of the present study was to assess the effects of subclinical inflammation on specific humoral immunity in dogs vaccinated with Nobivac® DHP based on serum levels of CRP and Hp. Dogs from the group I were administered Nobivac® DHP, the vaccine against distemper, infectious hepatitis and parvovirus whereas group II animals received subcutaneous turpentine oil to induce subclinical inflammation, followed by Nobivac® DHP after 24 h. Animals in group III received only turpentine oil in the way and amount identical to that as in group II...
March 5, 2018: BMC Veterinary Research
Yaru Sun, Yuening Cheng, Peng Lin, Li Yi, Mingwei Tong, Zhigang Cao, Gaili Wang, Shuang Li, Shipeng Cheng, Wanzhe Yuan, Jianke Wang
Canine parvovirus (CPV) is an important pathogen in domestic dogs, and the original antigenic types CPV-2 and its variants, CPV-2a, 2b and 2c, are prevalent worldwide. A multiplex TaqMan real-time PCR method was developed for the detection and differentiation of four antigenic types of CPV. A set of primers and probes, CPV-305F/CPV-305R and CPV-2-305P (for CPV-2)/CPV-2a-305P (for CPV-2a, 2b and 2c), was able to differentiate CPV-2 and its variants (CPV-2a, 2b and 2c). Another set of primers and probes, CPV-426F/CPV-426R and CPV-2-426P (for CPV-2 and 2a)/CPV-2b-426P (for CPV-2b)/CPV-2c-426P (for CPV-2c), was able to differentiate CPV-2a (2), CPV-2b, and CPV-2c...
April 2018: Molecular and Cellular Probes
Giorgio Q Pereira, Lucas A Gomes, Iago S Santos, Alice F Alfieri, J S Weese, Marcio C Costa
BACKGROUND: Diarrhea associated with parvovirus infection is common in dogs. Supportive care is the mainstay of treatment, but recovery may be prolonged and mortality rate can be high. Modification of the intestinal bacterial microbiota has been promising in human and veterinary medicine as an adjunctive treatment of various enteric diseases. OBJECTIVES: To investigate the safety and efficacy of fecal microbiota transplantation (FMT) on the clinical recovery of puppies with acute hemorrhagic diarrhea syndrome...
March 2018: Journal of Veterinary Internal Medicine
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