Veterinary Microbiology

Thu, 12/05/2019 - 03:40
Author(s): Hang Yin, Zhijie Li, Jikai Zhang, Jiapei Huang, Hongtao Kang, Jin Tian, Liandong QuAbstractSince 2011, to control the spread of pseudorabies (PR), US7/US8/UL23-deleted recombinant PRV (rPRV) vaccines based on current variants have been developed. The vaccines can provide effective immune protection to pigs, but fur-bearing animals, such as dogs, foxes, and minks, are increasingly...
Mon, 12/02/2019 - 03:22
Author(s): Chang-Wei Lei, Yu Zhang, Zhuang-Zhuang Kang, Ling-Han Kong, Yi-Zhi Tang, An-Yun Zhang, Xin Yang, Hong-Ning WangAbstractHuman salmonellosis caused by the consumption of eggs and chicken meat contaminated with Salmonella Enteritidis has become a continuing public health concern worldwide. In this study we adopted whole genome sequencing (WGS) to determine the genetic relationship and...
Mon, 12/02/2019 - 03:22
Author(s): Mayada Gwida, Amal Awad, Maged El-Ashker, Helmut Hotzel, Stefan Monecke, Ralf Ehricht, Elke Müller, Annett Reißig, Stefanie A. Barth, Christian Berens, Sascha D. BraunAbstractThe objective of our study was to provide a molecular analysis using DNA-microarray based assays of commensal E. coli populations from apparently healthy livestock and their attendants to assess the virulence...
Mon, 12/02/2019 - 03:22
Author(s): Maged El-Ashker, Mayada Gwida, Stefan Monecke, Fatma El-Gohary, Ralf Ehricht, Mona Elsayed, Akinduti Paul, Mohamed El-Fateh, Sven MaurischatAbstractMethicillin-resistant S. aureus from cows with mastitis has received a growing interest worldwide. The present study aimed to provide a detailed description of the resistance and virulence traits of isolates from bovine mastitis samples.A...
Mon, 12/02/2019 - 03:22
Author(s): Doris Aper, Janna Frömbling, Murat Bağcıoğlu, Monika Ehling-Schulz, Isabel Hennig-PaukaAbstractMost outbreaks of disease due to infection with Actinobacillus (A.) pleuropneumoniae are caused by pigs already pre-colonised in tonsillar tissue, where the pathogen is protected from exposure to antibiotic substances administered for treatment. As it has been shown recently under...
Fri, 11/29/2019 - 03:17
Author(s): SeEun Choe, Sok Song, Gyu-Nam Park, Jihye Shin, Ki-Sun Kim, Ra MiCha, Bang-Hun Hyun, Bong-Kyun Park, Dong-Jun AnABSTRACTThe hepatitis E virus (HEV) is known to have 4 genotypes but only one serotype. Genotype 1 and 2 infect humans only and genotype 3 and 4 infect humans, pigs and other animal species. Pig and wild boar are also known as reservoirs of HEV infection. Of the 2,736 wild...
Thu, 11/28/2019 - 03:37
Author(s): Clarissa Silveira Luiz Vaz, Daiane Voss-Rech, Luana Alves, Arlei Coldebella, Liana Brentano, Iara Maria TrevisolAbstractSalmonella Enteritidis remains a leading cause of human foodborne disease, mostly associated with the consumption of contaminated poultry products. To more strategically implement a phage therapy scheme for S. Enteritidis control in broilers, a cocktail containing...
Thu, 11/28/2019 - 03:37
Author(s): Antonise M. Jaguezeski, Aleksandro S. da Silva, Teane M.A. Gomes, Nathieli B. Bottari, Thalisson F. Lopes, Renan A. Cechin, Vera M. Morsch, Maria R.C. Schetinger, Janice L. Giongo, Rodrigo de A. VaucherAbstractThe cholinergic, purinergic and oxidative stress systems were related to nervous system damage in some pathologies, as well as being involved in pro-inflammatory and anti-...
Sun, 11/24/2019 - 03:37
Author(s): Jiahui Liu, Zihe Li, Yanlei Cui, Haiyan Yang, Hu Shan, Chuanmei ZhangAbstractWe evaluated the phenotype and genotype of a fatal influenza/canine distemper virus coinfection found in farmed mink in China. We identified a novel subtype H1N1 influenza virus strain from the lungs of infected mink designated A/Mink/Shandong/1121/2017 (H1N1). The results of phylogenetic analysis of 8 gene...
Fri, 11/15/2019 - 03:21
Author(s): Zifeng Han, Li Li, Thomas Willer, Wolfgang Baumgärtner, Silke RautenschleinAbstractCampylobacter jejuni (C. jejuni) is a predominant cause of foodborne illness in humans, while its colonization in chickens is usually asymptomatic. Antibiotics are not routinely used to treat chickens against C. jejuni, but in the face of other bacterial diseases, C. jejuni may be exposed to antibiotics...
Thu, 11/14/2019 - 03:22
Author(s): Sahar Rostami, Jalil Mehrzad, Ramak Yahyaraeyat, Taghi Zahraei SalehiAbstractSalmonella enterica Subsp enterica serovar Typhimurium (S. Typhimurium, ST) is one of the most important serovars of the genus Salmonella in human and animals. Because of its intracellular tropism, monocytes/macrophages are pivotal in killing of Salmonella serovars; they are also responsible for transporting...
Wed, 11/13/2019 - 03:21
Author(s): N.G.C. Vasileiou, P.J. Cripps, K.S. Ioannidi, A.I. Katsafadou, D.C. Chatzopoulos, M.S. Barbagianni, V. Tsioli, E. Dermisiadou, E. Karavanis, N. Papadopoulos, D. Lianou, V.S. Mavrogianni, E. Petinaki, G.C. FthenakisAbstractAlthough coagulase-negative staphylococci are the primary aetiological agents of subclinical mastitis in ewes, there is little information regarding vaccination...
Tue, 11/05/2019 - 03:24
Author(s): Séverine Hervé, Emmanuel Garin, Didier Calavas, Ludovic Lecarpentier, David Ngwa-Mbot, Sylvie Poliak, Sébastien Wendling, Nicolas Rose, Gaëlle SimonAbstractSwine influenza A viruses (swIAVs) cause acute respiratory syndromes in pigs and may also infect humans. Following the 2009 pandemic, a network was established in France to reinforce swIAV monitoring. This study reports virological...
Tue, 11/05/2019 - 03:24
Author(s): José Manuel Díaz, Alberto Prieto, Gonzalo López-Lorenzo, Cynthia López-Novo, Antonio Iglesias, Pablo Díaz, Rosario Panadero, Javier Moral, Ceferino López, Pablo Díez-Baños, Patrocinio Morrondo, Gonzalo FernándezAbstractBovine gammaherpesvirus type 4 (BoHV-4) is increasingly related with reproductive disease in cattle, but its epidemiology is not fully understood. We monitored the...
Tue, 11/05/2019 - 03:24
Author(s): H. Berlamont, A. Smet, S. De Bruykere, F. Boyen, R. Ducatelle, F. Haesebrouck, C. De WitteABSTRACTHelicobacter suis is a fastidious, Gram negative bacterium that colonizes the stomach of pigs and non-human primates. It has also been associated with gastric disease in humans.A combined agar and broth dilution method was used to analyze the activity of 15 antimicrobial agents against 20...
Sun, 11/03/2019 - 02:22
Author(s): Heather Vinson, Gagandeep Singh, Angela Pillatzki, Brett Webb, Eric Nelson, Sheela RamamoorthyAbstractSwine influenza A virus (IAV-S) infections are a major cause of economic losses for the swine industry. The vast genetic and antigenic diversity often results in mismatch between the vaccine and field strains, necessitating frequent updates of vaccines. Inactivated IAV-S vaccines are...
Sun, 11/03/2019 - 02:22
Author(s): Xiangkai Zhuge, Min Jiang, Fang Tang, Yu Sun, Yiming Ji, Feng Xue, Jianluan Ren, Weiyun Zhu, Jianjun DaiAbstractColisepticemia caused by bloodstream infection of the extraintestinal pathogenic Escherichia coli (ExPEC) has become a serious public health problem. The recent emergence of the colistin-resistant Enterobacteriaceae, especially mcr-1-positive E. coli (MCRPEC) exerts great...
Fri, 11/01/2019 - 03:22
Author(s): Dan Liu, Yongqiang Yang, Ju Gu, Hongmei Tuo, Ping Li, Xianjun Xie, Guang-xu Ma, Jinxin Liu, Anyun ZhangAbstractMultidrug-resistant and hypervirulent Klebsiella pneumoniae (hvKP) poses a significant risk to public health. To better understand the molecular characteristics of multidrug-resistant and hypervirulent K. pneumoniae of animal origin, fifteen K. pneumoniae strains from the...
Wed, 10/30/2019 - 03:23
Author(s): E. Frank, R. Bonke, N. Drees, M. Heurich, E. Märtlbauer, M. GareisAbstractWorldwide infections by Shiga toxin-producing Escherichia coli (STEC) in humans have been reported after consumption of mainly beef, but also deer meat. Not only the consumption of contaminated deer meat represents a risk, but also the transmission of STEC between deer and domestic animals should be considered....
Tue, 10/29/2019 - 03:23
Author(s): Yongmei Guo, Christopher McMullen, Edouard Timsit, Jennyka Hallewell, Karin Orsel, Frank van der Meer, Sumei Yan, Trevor W. AlexanderAbstractRecent studies have shown an increase in antimicrobial-resistant bovine respiratory disease (BRD) pathogens. To investigate the origin of antimicrobial resistance in the respiratory microbiota of beef cattle, three groups (A, B, or C) of 40 calves...
Wed, 10/23/2019 - 03:30
Author(s): Yan Liu, Yong Zhang, Yonglin Zhou, Tingting Wang, Xuming Deng, Xiao Chu, Tiezhong ZhouAbstractThe increasing understanding of bacterial pathogenesis has revealed many new targets for the development of non-traditional antibacterial drugs. Interference with bacterial virulence has become a new strategy to treat bacteria-mediated diseases. As an important food-borne pathogen, Salmonella...
Sun, 10/20/2019 - 03:27
Author(s): Xuejiao Han, Luca D. Bertzbach, Michael VeitAbstractIn contrast to human influenza viruses that replicate in the respiratory tract and are airborne transmitted, avian viruses also replicate in gut epithelial cells and are transmitted via the fecal-oral route. On this route, the virus is exposed to destructive fluids of the digestive tract, which are acidic and contain the proteases...
Thu, 10/17/2019 - 03:26
Author(s): João Bettencourt Cota, Vanessa Ferreira da Silva, Lélia Chambel, Maria Gabriela Veloso, Madalena Vieira-Pinto, Manuela OliveiraAbstractPork is one of the most common vehicles of non-typhoid foodborne Salmonella, with the slaughterhouse representing a key point for the infection of pigs and carcass contamination. By comparing matching samples taken from animals at the dirty (skin) and...
Tue, 10/15/2019 - 03:29
Author(s): E. Blázquez, C. Rodríguez, J. Ródenas, N. Navarro, R. Rosell, S. Pina-Pedrero, J.M. Campbell, M. Sibila, J. Segalés, J. Pujols, J. PoloAbstractLiquid porcine plasma is an animal origin raw material for the manufacturing process of spray-dried porcine plasma that is used in pig nutrition worldwide. In previous studies we found that the application of ultraviolet light C (UV-C) in liquid...
Sat, 10/05/2019 - 03:25
Author(s): Neeta Jain-Gupta, Steven G. Waldrop, Nancy M. Tenpenny, Sharon G. Witonsky, Stephen M. Boyle, Nammalwar SriranganathanAbstractBrucellosis is one of the most common zoonotic diseases worldwide. Almost 500,000 new human cases occur each year; yet there is no vaccine for human use. Moreover, there is no universal Brucella vaccine that would provide protection against all pathogenic...
Tue, 10/01/2019 - 03:26
Author(s): A. Schoster, T. Kunz, M. Lauper, C. Graubner, S. Schmitt, J.S. WeeseAbstractOvergrowth of enteric clostridia in dysbiosis in horses with colic is presumed but scarcely investigated. The objective was to provide prevalence data of Clostridium difficile and Clostridium perfringens in horses with and without gastrointestinal disease in Switzerland, and investigate microbiota differences...
Tue, 09/24/2019 - 03:25
Author(s): P.L. Eblé, T.J. Hagenaars, E. Weesendorp, S. Quak, H.W. Moonen-Leusen, W.L.A. LoeffenAbstractWe investigated whether ASF carrier pigs that had completely recovered from an acute infection with ASFV Netherlands ‘86, could transmit the disease to naive pigs by direct contact transmission. For this, we used pigs that had survived an ASFV infection, had recovered from disease, and had...
Tue, 09/24/2019 - 03:25
Author(s): Alessandra Longo, Carmen Losasso, Federica Vitulano, Eleonora Mastrorilli, Sara Turchetto, Sara Petrin, Claudio Mantovani, Maria Cristina Dalla Pozza, Elena Ramon, Gabriella Conedera, Carlo V. Citterio, Antonia Ricci, Lisa Barco, Antonia Anna LettiniAbstractAn unusual mortality of wild boars occurred in Italy from 2012 to 2015 due to Salmonella Choleraesuis infection.In order to...
Tue, 09/24/2019 - 03:25
Author(s): Tinka Jelsma, Joris J. Wijnker, Bregtje Smid, Eline Verheij, Wim H.M. van der Poel, Henk J. WisselinkAbstractNatural casings, to be used as sausage containers, are being traded worldwide and may be contaminated with contagious viruses. Standard processing of such natural casings is by salt treatment with a duration of 30 days before shipment. Since information is lacking about the...
Tue, 09/24/2019 - 03:25
Author(s): Linlin Li, Yun Zhang, Jiawen Dong, Junqing Zhang, Chunhong Zhang, Jianru Qin, Minhua Sun, Zhihong XuAbstractDuck Tembusu virus (DTMUV) has caused enormous economic losses to the poultry industry in China. In the current study, we generated chimeric virus-like particles (VLPs) containing E protein of the DTMUV and HA2 protein of the H3N2 avian influenza virus (AIV). The chimeric VLPs...
Tue, 09/24/2019 - 03:25
Author(s): Alisha Wehdnesday Bernardo Reyes, Lauren Togonon Arayan, Tran Xuan Ngoc Huy, Son Hai Vu, Chang Keun Kang, Wongi Min, Hu Jang Lee, John Hwa Lee, Suk KimAbstractWe investigated the involvement of chemokine receptor type 4 (CXCR4) signaling on the outcome of Brucella (B.) abortus 544 infection in murine macrophages and in a mouse model. CXCR4 manipulation were first evaluated for Brucella...
Tue, 09/24/2019 - 03:25
Author(s): Yanping Zhang, Zhenghao Yu, Xingge Lan, Feng Zhang, Qi Wang, Kai Li, Qing Pan, Yulong Gao, Xiaole Qi, Hong-yu Cui, Yongqiang Wang, Li Gao, Xiaomei Wang, Changjun LiuAbstractThe prevalence of Marek’s disease (MD) caused by Gallid herpesvirus-2 (GaHV-2) has been increasing in chickens in China despite universal vaccination. Among the possible reasons for this trend, of...
Tue, 09/24/2019 - 03:24
Author(s): Z. Karalyan, A. Avetisyan, H. Avagyan, H. Ghazaryan, T. Vardanyan, A. Manukyan, A. Semerjyan, H. VoskanyanAbstractThis research is focused on the study of African swine fever virus (ASFV) survival in the leech Hirudo medicinalis.To detect the infection route of the virus in leeches, two introduction methods were used: blood-feeding from infected swine hosts and exposure to ASFV-...
Thu, 09/12/2019 - 01:03
Available online 10 September 2019 Author(s): Meina Zhang, Yanyi Che, Shuang Zhao, Xia Xiaojing, Hongtao Liu, Jianfang Liu, Yuping Wang, Wenyu Han, Yuying Yang, Changhai Zhou, Liancheng LeiAbstractMastitis is a disease that affects dairy cattle and causes a decline in milk quality as well as economic loss worldwide. TGF-β1 levels are usually increased during mastitis; however, it is unknown...
Mon, 09/09/2019 - 01:05
Available online 7 September 2019 Author(s): Kosuke Soda, Masakazu Sakita, Tatsufumi Usui, Hiroshi Ito, Toshihiro ItoAbstractThe H5N8 highly pathogenic avian influenza viruses (HPAIVs) isolated in Japan during the 2014—2015 winter differed in their pathogenicity in chickens. In the present study, we examined the possibility that a comparatively less pathogenic strain was first brought into the...
Sat, 08/03/2019 - 01:03
Available online 1 August 2019 Author(s): Yu-Pin Liu, Shu-Ting Kuo, Chwei-Jang Chiou, Calogero Terregino, Hsiang-Jung TsaiAbstractAvian paramyxoviruses (APMVs) consist of twenty known species and have been isolated from domestic and wild birds around the world. In 2009, the isolate APMV/dove/Taiwan/AHRI33/2009 was isolated from swabs of red turtle doves (Streptopelia tranquebarica) during active...
Tue, 07/23/2019 - 01:03
Available online 21 July 2019 Author(s): Clémence Bourély, Géraldine Cazeau, Eric Jouy, Marisa Haenni, Jean-Yves Madec, Nathalie Jarrige, Agnès Leblond, Emilie GayAbstractSurveillance of Pasteurella multocida resistance in food-producing animals is essential to guide the first-line treatment of respiratory diseases and to limit economic losses. Since Pasteurella are the most common bacteria...
Sat, 07/13/2019 - 01:03
Available online 11 July 2019 Author(s): Jiayun Yang, Zhengxiang Wang, Yingying Du, Yane Jia, Liang Wang, Shuai Xu, Qiyun ZhuAbstractDuring 2012―2015, six H5N1 avian influenza viruses were isolated from domestic birds and the environment around Qinghai Lake. Phylogenetic analysis of HA genes revealed that A/chicken/Gansu/XG2/2012 (CK/GS/XG2/12) belonged to clade 2.3.2.1a, while A/environment/...
Tue, 06/18/2019 - 01:12
Available online 16 June 2019 Author(s): Gabriele Meroni, Valentina Zamarian, Cristina Prussiani, Valerio Bronzo, Cristina Lecchi, Piera Anna Martino, Fabrizio CecilianiAbstractStaphylococcus aureus biofilm-related infections are of clinical concern due to the capability of bacterial colonies to adapt to a hostile environment. The present study investigated the capability of the acute phase...
Fri, 06/14/2019 - 01:12
Available online 12 June 2019 Author(s): Putu Eka Sudaryatma, Hirohisa Mekata, Meiko Kubo, Mawar Subangkit, Yoshitaka Goto, Tamaki OkabayashiAbstractBovine respiratory disease complex is a major disease affecting the global cattle industry. Multiple infections by viruses and bacteria increase disease severity. Previously, we reported that bovine respiratory syncytial virus (BRSV) infection...
Sun, 05/26/2019 - 01:12
Available online 24 May 2019 Author(s): Nam-Hyung Kim, Eun-Jin Ha, Dae-Sung Ko, Chung-Young Lee, Jae-Hong Kim, Hyuk-Joon KwonAbstractSalmonella enterica subsp. enterica serovar Gallinarum biovar Gallinarum (SG) causes fowl typhoid (FT) and substantial economic loss in Korea due to egg drop syndrome and mortality. Despite the extensive use of vaccines, FT still occurs in the field. Therefore, the...
Fri, 05/24/2019 - 01:13
Available online 21 May 2019 Author(s): Lin Gan, Yu Tian, Yu Zhao, Xue-qin Shan, Wei Zhou, Bing-Bing Xia, Jason Chen, Ming-Li Wang, Jun ZhaoAbstractControl of currently circulating re-assorted low-pathogenicity avian influenza (LPAI) H9N2 is a major concern for both animal and human health. Thus, an improved LPAI H9N2 vaccination strategy is needed to induce complete immunity in chickens against...
Sun, 05/12/2019 - 01:13
Available online 9 May 2019 Author(s): Jolien Van Cleemput, Katrien C.K. Poelaert, Kathlyn Laval, Wim Van den Broeck, Hans J. NauwynckAbstractThe horse’s respiratory tract daily encounters a plethora of respirable hazards including air pollutants, mycotoxins and airborne pathogens. To date, the precise effect of air pollution and mycotoxins on respiratory epithelial integrity and subsequent...
Sun, 05/12/2019 - 01:13
Available online 10 May 2019 Author(s): Morgane Salines, Mathieu Andraud, Marie Pellerin, Cécilia Bernard, Béatrice Grasland, Nicole Pavio, Nicolas RoseAbstractHepatitis E virus is a zoonotic pathogen for which pigs have been identified as the main reservoir in industrialised countries. HEV infection dynamics in pig herds and pigs are influenced by several factors, including herd practices and...
Wed, 05/08/2019 - 01:17
Available online 4 May 2019 Author(s): B. Ujvári, L. Makrai, T. MagyarAbstractThis study describes the prevalence of capsule biosynthesis genes, LPS genotypes, virulence associated genes and the analysis of the outer membrane protein (ompA) sequence of Pasteurella multocida isolates (n = 180) from different locations in Hungary, from various host species, including humans. When combining capsular...
Sat, 05/04/2019 - 01:17
Available online 2 May 2019 Author(s): Yoon-Hee Oh, Dong-Chan Moon, Young Ju Lee, Bang-Hun Hyun, Suk-Kyung LimAbstractPasteurella multocida causes single or complex respiratory disease in pigs. Although antimicrobial therapy is the most effective treatment for porcine respiratory disease, P. multocida shows increased antimicrobial resistance in Korea. Therefore, we aimed to investigate the...
Sat, 05/04/2019 - 01:17
Available online 2 May 2019 Author(s): Nagel Ariel, Vázquez Cristina Lourdes, Etulai Julia, Blanco Federico Carlos, Gravisaco Maria José, Gómez Ricardo Martín, Caimi KarinaAbstractLeptospirosis is a zoonosis, caused by pathogenic spirochetes of the genus Leptospira. Although cattle are usually the maintenance hosts of serovar Hardjo, Pomona is the most frequent serovar circulating in Argentina....
Thu, 04/25/2019 - 01:11
Available online 22 April 2019 Author(s): Pilar María Muñoz, Virginie Mick, Lorena Sacchini, Anna Janowicz, María Jesús de Miguel, Moulay-Ali Cherfa, Celia Rodriguez Nevado, Guillaume Girault, Sara Andrés-Barranco, Maryne Jay, Elisabetta Di Giannatale, Katiuscia Zilli, Massimo Ancora, Alessandro Dondo, Simona Zoppi, María Cruz Arnal, Manuela Tittarelli, Fabrizio De Massis, Bruno Garin-Bastuji,...
Sun, 04/14/2019 - 01:12
Available online 12 April 2019 Author(s): Olouwafemi Mistourath Mama, Elena Gómez-Sanz, Laura Ruiz-Ripa, Paula Gómez, Carmen TorresAbstractThis work aimed to determine the prevalence, diversity, antibiotic-resistance phenotype/genotype and virulence factors in staphylococci of farm-animals. Nasal samples of 117 farm-animals (calve: 72; lamb: 37; goat: 8) were collected from one slaughterhouse in...
Sun, 04/14/2019 - 01:12
Available online 12 April 2019 Author(s): Chenxi Wang, Zejiang Wang, Xiaolei Ren, Lan Wang, Chong Li, Yipeng Sun, Mingyang Wang, Qi Tong, Honglei Sun, Juan PuAbstractDomestic ducks are considered as an interface between wild aquatic birds and terrestrial poultry and play an important role in transmission and evolution of avian influenza viruses (AIVs). However, the infectivity of H9N2 AIVs in...

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