Browsing Faculté de médecine vétérinaire – Travaux et publications by Author "Provost, Chantale"
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Actinobacillus pleuropneumoniae (App) culture supernatant antiviral effect against porcine reproductive and respiratory syndrome virus (PRRSV) occurs prior to the viral genome replication and transcription through actin depolymerization
Hernandez Reyes, Yenney; Provost, Chantale; Kist Traesel, Carolina; Jacques, Mario; Gagnon, Carl A. (Microbiology Society, 2018-01-02)PURPOSE: Recently, the strong antiviral activity of an Actinobacillus pleuropneumoniae (App) culture supernatant against porcine reproductive and respiratory syndrome virus (PRRSV) was discovered. Following this finding, the objective of the present ... -
Actinobacillus pleuropneumoniae Possesses an Antiviral Activity against Porcine Reproductive and Respiratory Syndrome Virus
Lévesque, Cynthia; Provost, Chantale; Labrie, Josée; Hernandez Reyes, Yenney; Burciaga Nava, Jorge A.; Gagnon, Carl A.; Jacques, Mario (2014-05)Pigs are often colonized by more than one bacterial and/or viral species during respiratory tract infections. This phenomenon is known as the porcine respiratory disease complex (PRDC). Actinobacillus pleuropneumoniae (App) and porcine reproductive ... -
The administration of diets contaminated with low to intermediate doses of deoxynivalenol and supplemented with antioxidants and binding agents slightly affects the growth, antioxidant status and vaccine response in weanling pigs
Lo Verso, Luca; Dumont, Kristina; Lessard, Martin; Lauzon, Karoline; Provost, Chantale; Gagnon, Carl A.; Chorfi, Younès; Guay, Frédéric (Oxford University Press, 2021-08-18)This study aimed to evaluate the impact of grading levels of deoxynivalenol (DON) in the diet of weaned pigs, as well as the effects of a supplementation with antioxidants (AOX), hydrated sodium calcium aluminosilicates (HSCAS) and their combination ... -
Analysis of whole-genome sequences of infectious laryngotracheitis virus isolates from poultry flocks in Canada : evidence of recombination
Perez-Contreras, Ana; Checkley, Sylvia; Van der Meer, Frank; Joseph, Tomy; King, Robin; Ravi, Madhu; Peters, Delores; Fonseca, Kevin; Gagnon, Carl A.; Provost, Chantale; Ojkic, Davor; Abdul-Careem, Mohamed Faizal (MDPI, 2020-11-12)Infectious laryngotracheitis virus (ILTV) is a herpes virus that causes an acute respiratory disease of poultry known as infectious laryngotracheitis (ILT). Chicken embryo origin (CEO) and tissue culture origin (TCO) live attenuated vaccines are routinely ... -
Chicken astrovirus (CAstV) molecular studies reveal evidence of multiple past recombination events in sequences originated from clinical samples of white chick syndrome (WCS) in Western Canada
Palomino-Tapia, Victor A.; Mitevski, Darko; Inglis, Tom; Van der Meer, Frank; Martin, Emily; Brash, Marina; Provost, Chantale; Gagnon, Carl A.; Abdul-Careem, Mohamed Faizal (MDPI, 2020-09-28)In this study, we aimed to molecularly characterize 14 whole genome sequences of chicken astrovirus (CAstV) isolated from samples obtained from white chick syndrome (WCS) outbreaks in Western Canada during the period of 2014–2019. Genome sequence ... -
Coding-complete genome sequence of a Falcon aviadenovirus A strain associated with necrotizing hepatitis in an American Kestrel (Falco sparverius)
Gagnon, Carl A.; Provost, Chantale; Lair, Stéphane (American Society for Microbiology, 2022-03-17)A necropsy was performed on an American kestrel (Falco sparverius) with necrotizing hepatitis associated with inclusion bodies, suggesting an adenovirus infection. A next-generation sequencing assay was conducted on the liver, and the coding-complete ... -
Comparative full genome sequence analysis of wild-type and chicken embryo origin vaccine-like infectious laryngotracheitis virus field isolates from Canada
Elshafiee, Esraa A.; Hassan, Mohamed S.H.; Provost, Chantale; Gagnon, Carl A.; Ojkic, Davor; Abdul-Careem, Mohamed Faizal (Elsevier, 2022-08-14)Infectious laryngotracheitis (ILT), caused by infectious laryngotracheitis virus (ILTV), occurs sporadically in poultry flocks in Canada. Live attenuated chicken embryo origin (CEO) vaccines are being used routinely to prevent and control ILTV infections. ... -
Comparison of primary virus isolation in pulmonary alveolar macrophages and four different continuous cell lines for type 1 and type 2 porcine reproductive and respiratory syndrome virus
Xie, Jiexiong; Vereecke, Nick; Theuns, Sebastiaan; Oh, Dayoung; Vanderheijden, Nathalie; Trus, Ivan; Sauer, Jannes; Vyt, Philip; Bonckaert, Caroline; Lalonde, Christian; Provost, Chantale; Gagnon, Carl A.; Nauwynck, Hans (MDPI, 2021-06-03)Porcine Reproductive and Respiratory Syndrome Virus (PRRSV) has a highly restricted cellular tropism. In vivo, the virus primarily infects tissue-specific macrophages in the nose, lungs, tonsils, and pharyngeal lymphoid tissues. In vitro however, the ... -
Dual infections of CD163 expressing NPTr epithelial cells with influenza A virus and PRRSV
Provost, Chantale; Hamonic, Glenn; Gagnon, Carl A.; Meurens, François (2017-08)In the pig, respiratory co-infections involving various pathogens are far more frequent than single infections. Amongst respiratory viruses, swine influenza type A virus (swIAV) and porcine reproductive and respiratory syndrome virus (PRRSV) are ... -
DUSP1 mRNA modulation during porcine circovirus type 2 and porcine reproductive and respiratory syndrome virus co-infection regulates viruses replication
Burgher Pulgaron, Yaima; Provost, Chantale; Alvarez, Fernando; Meza-Serrano, Europa; Pesant, Marie-Jeanne; Price, Christopher A.; Gagnon, Carl A. (Elsevier, 2023-12-01)The effects of porcine circovirus type 2b (PCV2b) and porcine reproductive and respiratory syndrome virus (PRRSV) co-infection in epithelial cells of the swine respiratory tract is unknown. In the present study, the newborn pig trachea cell line ... -
Effect of deoxynivalenol (DON) mycotoxin on in vivo and in vitro porcine circovirus type 2 infections
Savard, Christian; Provost, Chantale; Alvarez, Fernando; Pinilla, Vicente; Music, Nedzad; Jacques, Mario; Gagnon, Carl A.; Chorfi, Younès (2015-04)Deoxynivalenol (DON) is a mycotoxin produced by Fusarium spp and is a common contaminant of grains in North America. Among farm animals, swine are the most susceptible to DON because it markedly reduces feed intake and decreases weight gain. Porcine ... -
First report and genomic characterization of a bovine-like coronavirus causing enteric infection in an odd-toed non ruminant species (Indonesian tapir, Acrocodia indica) during an outbreak of winter dysentery in a zoo
Savard, Christian; Provost, Chantale; Ariel, Olivier; Morin, Samuel; Fredrickson, Richard; Gagnon, Carl A.; Broes, André; Wang, Leyi (Wiley, 2021-08-24)Bovine Coronavirus (BCoV) is associated with three distinct clinical syndromes in cattle i.e. neonatal diarrhea, hemorrhagic diarrhea in adults (the so-called winter dysentery syndrome, WD) and respiratory infections in cattle of different ages. In ... -
First report of the novel atypical porcine pestivirus in piglets with congenital tremor in Canada
Premier cas rapporté du nouveau pestivirus atypique porcin au Canada chez des porcelets avec tremblements congénitaux.
Dessureault, Fanny G.; Choinière, Martin; Provost, Chantale; Gagnon, Carl A. (Association canadienne des médecins vétérinaires, 2018-04)Two 2-year-old nursing piglets with congenital tremor were submitted for postmortem examination. Histopathology revealed severe hypomyelination in the spinal cord and quantitative real-time PCR detected the presence of atypical porcine pestivirus ... -
First report of Ureaplasma diversum, a bovine pathogen, in the respiratory tract of swine in Canada
Burgher Pulgaron, Yaima; Köszegi, Marika; Grenier St-Sauveur, Valérie; Fournier, Dominique; Lafond-Lambert, Cynthia; Provost, Chantale; Gagnon, Carl A. (Association canadienne des médecins vétérinaires, 2018-12) -
First reported outbreak of Duck atadenovirus A tracheobronchitis in 3-week-old ducklings in Québec including whole genome sequence of the virus
Cross Canada disease report = Rapport des maladies diagnostiquées au Canada
Chénier, Sonia; Desroches, Michel; Provost, Chantale; Bournival, Véronique; Grenier St-Sauveur, Valérie; Köszegi, Marika; Gagnon, Carl A. (Canadian Veterinary Medical Association, 2019) -
FosteraTM PRRS modified live vaccine efficacy against a Canadian heterologous virulent field strain of porcine reproductive and respiratory syndrome virus (PRRSV)
Savard, Christian; Alvarez, Fernando; Provost, Chantale; Chorfi, Younès; D'Allaire, Sylvie; Benoit-Biancamano, Marie-Odile; Gagnon, Carl A. (2016-01-01)Vaccination is a useful option to control infection with porcine reproductive and respiratory syndrome virus (PRRSV), and several modified live-PRRSV vaccines have been developed. These vaccines have shown some efficacy in reducing the incidence and ... -
Identification of a new cell line permissive to porcine reproductive and respiratory syndrome virus infection and replication which is phenotypically distinct from MARC-145 cell line
Provost, Chantale; Jia, Jian Jun; Music, Nedzad; Lévesque, Cynthia; Lebel, Marie-Ève; Del Castillo, Jérôme; Jacques, Mario; Gagnon, Carl A. (2012-11)Background Airborne transmitted pathogens, such as porcine reproductive and respiratory syndrome virus (PRRSV), need to interact with host cells of the respiratory tract in order to be able to enter and disseminate in the host organism. Pulmonary ... -
Identification of a novel herpesvirus associated with a penile proliferative lesion in a beluga (Delphinapterus leucas)
Bellehumeur, Christian; Lair, Stéphane; Romero, Carlos H.; Provost, Chantale; Nielsen, Ole; Gagnon, Carl A. (2015-01)The carcass of an adult male beluga (Delphinapterus leucas) was found beach cast in 2008 on the shore of the St. Lawrence Estuary at Rivière-Ouelle, Quebec, Canada. The carcass was transported to the Faculté de médecine vétérinaire of the Université ... -
Impact of Actinobacillus pleuropneumoniae biofilm mode of growth on the lipid A structures and stimulation of immune cells
Hathroubi, Skander; Beaudry, Francis; Provost, Chantale; Martelet, Léa; Segura, Mariela; Gagnon, Carl A.; Jacques, Mario (SAGE, 2016-05-25)Actinobacillus pleuropneumoniae (APP), the etiologic agent of porcine pleuropneumonia, forms biofilms on both biotic and abiotic surfaces. APP biofilms confers resistance to antibiotics. To our knowledge, no studies have examined the role of APP ... -
Impact of Actinobacillus pleuropneumoniae biofilm mode of growth on the lipid A structures and stimulation of immune cells
Hathroubi, Skander; Beaudry, Francis; Provost, Chantale; Martelet, Léa; Segura, Mariela; Gagnon, Carl A.; Jacques, Mario (2016-05-25)Actinobacillus pleuropneumoniae (APP), the etiologic agent of porcine pleuropneumonia, forms biofilms on biotic and abiotic surfaces. APP biofilms confers resistance to antibiotics. To our knowledge, no studies have examined the role of APP biofilm in ...