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Fergusson M, Maley M, Geraghty T, Albaladejo JP, Mason C, Rocchi MS. Validation of a multiplex-tandem RT-PCR for the detection of bovine respiratory disease complex using Scottish bovine lung samples. Vet J 2024; 303:106058. [PMID: 38103886 DOI: 10.1016/j.tvjl.2023.106058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 12/19/2023]
Abstract
The welfare and economic impact of bovine respiratory disease complex (BRDC), and its associated antibiotic usage, are major challenges to cattle rearing and beef cattle finishing industries. Accurate pathogen diagnosis is important to undertake appropriate treatment and long-term management strategies, such as vaccine selection. Conventional diagnostic approaches have several limitations including high costs, long turnaround times and difficulty in test interpretation, which could delay treatment decisions and lead to unnecessary animal losses. We describe the validation of a multiplex-tandem (MT) reverse transcription-polymerase chain reaction (RT-PCR) for the detection of seven common pathogens associated with BRDC. This test has the potential to advance pathogen identification and to overcome many of the limitations of current testing methods. It requires a single sample and results are obtained quickly and not influenced by prior antimicrobial therapy or overgrowth of contaminating organisms. We demonstrated a test specificity of 100% and sensitivity ranging from 93.5% to 100% for these seven common pathogens. This test will be a useful addition to advance BRDC investigation and diagnosis.
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Affiliation(s)
- M Fergusson
- SRUC Veterinary and Analytical Services, Pentland Science Park, Bush Loan Road, Edinburgh, Scotland EH26 0PZ, UK
| | - M Maley
- Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik, Scotland EH26 0PZ, UK
| | - T Geraghty
- SRUC Veterinary and Analytical Services, Pentland Science Park, Bush Loan Road, Edinburgh, Scotland EH26 0PZ, UK
| | - J Palarea Albaladejo
- Department of Computer Sciences, Applied Mathematics and Statistics, University of Girona, Girona 17003, Spain; Biomathematics and Statistics Scotland, The King's Buildings, Peter Guthrie Tait Road, Edinburgh, Scotland EH9 3FD, UK
| | - C Mason
- SRUC Veterinary and Analytical Services, Pentland Science Park, Bush Loan Road, Edinburgh, Scotland EH26 0PZ, UK
| | - M S Rocchi
- Moredun Research Institute, Pentlands Science Park, Bush Loan, Penicuik, Scotland EH26 0PZ, UK.
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Massi RP, Lunardi M, Alfieri AF, Alfieri AA. Neglected bacterial infections associated to bovine respiratory disease in lactating cows from high-yielding dairy cattle herds. Braz J Microbiol 2023; 54:3275-3281. [PMID: 37917227 PMCID: PMC10689611 DOI: 10.1007/s42770-023-01165-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Accepted: 10/21/2023] [Indexed: 11/04/2023] Open
Abstract
Bovine respiratory disease (BRD) is a multifactorial and predominantly multietiological disease that affects dairy cattle herds worldwide, being more frequent in young animals. The occurrence of BRD was investigated in lactating cows from two high-yielding dairy herds in southern Brazil. To determine the etiology of the clinical cases of acute respiratory disease, nasal swab samples were collected from cows with clinical signs of BRD and evaluated using PCR and RT-PCR for nucleic acid detection of the main BRD etiological agents, including Mycoplasma bovis, Mannheimia haemolytica, Pasteurella multocida, Histophilus somni, bovine respiratory syncytial virus, bovine coronavirus, bovine viral diarrhea virus, bovine alphaherpesvirus 1, and bovine parainfluenza virus 3. Only three microorganisms (M. bovis, H. somni, and P. multocida) were identified in both single and mixed infections. We concluded that 40.0% of the cows were infected with M. bovis and 75.0% with H. somni in herd A. Considering both single and mixed infections, the analyses performed in herd B showed that 87.5%, 25.0%, and 50.0% of the cows were infected with M. bovis, H. somni, and P. multocida, respectively. M. bovis and H. somni are considered fastidious bacteria and laboratory diagnosis is neglected. Subsequently, most clinical cases of mycoplasmosis and histophilosis in cattle remain undiagnosed. This study demonstrates the importance of M. bovis and H. somni infections in adult cows with BRD. These results highlight the importance of including these bacteria in the group of etiological agents responsible for the occurrence of BRD in cattle, especially in adult cows with unfavorable immunological conditions, such as recent calving and peak lactation.
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Affiliation(s)
- Rodrigo Pelisson Massi
- Laboratory of Animal Virology, Department of Veterinary Preventive Medicine, Universidade Estadual de Londrina, Celso Garcia Cid Road - University Campus, PO Box 10011, Londrina, Parana, 86057-970, Brazil
| | - Michele Lunardi
- Laboratory of Animal Virology, Department of Veterinary Preventive Medicine, Universidade Estadual de Londrina, Celso Garcia Cid Road - University Campus, PO Box 10011, Londrina, Parana, 86057-970, Brazil
- Multi-User Animal Health Laboratory, Molecular Biology Unit, Department of Veterinary Preventive Medicine, Universidade Estadual de Londrina, Celso Garcia Cid Road - University Campus, PO Box 10011, Londrina, Parana, 86057-970, Brazil
| | - Alice Fernandes Alfieri
- Laboratory of Animal Virology, Department of Veterinary Preventive Medicine, Universidade Estadual de Londrina, Celso Garcia Cid Road - University Campus, PO Box 10011, Londrina, Parana, 86057-970, Brazil
- Multi-User Animal Health Laboratory, Molecular Biology Unit, Department of Veterinary Preventive Medicine, Universidade Estadual de Londrina, Celso Garcia Cid Road - University Campus, PO Box 10011, Londrina, Parana, 86057-970, Brazil
| | - Amauri Alcindo Alfieri
- Laboratory of Animal Virology, Department of Veterinary Preventive Medicine, Universidade Estadual de Londrina, Celso Garcia Cid Road - University Campus, PO Box 10011, Londrina, Parana, 86057-970, Brazil.
- Multi-User Animal Health Laboratory, Molecular Biology Unit, Department of Veterinary Preventive Medicine, Universidade Estadual de Londrina, Celso Garcia Cid Road - University Campus, PO Box 10011, Londrina, Parana, 86057-970, Brazil.
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Abstract
Raising young dairy calves presents many challenges for producers and veterinarians including losses attributable to BRD. This article will discuss several key concepts for practitioners to consider when applying evidence-based medicine for the control and treatment of BRD in young dairy calves. The authors review BRD complex, provide considerations for diagnostic approaches, and discuss research associated with the control and treatment of BRD.
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Affiliation(s)
- Daniel B Cummings
- Boehringer Ingelheim Animal Health USA Inc., 3239 Satellite Blvd., Duluth, GA, 30096.
| | - Nathan F Meyer
- Boehringer Ingelheim Animal Health USA Inc., 3239 Satellite Blvd., Duluth, GA, 30096; Affiliate Faculty, Department of Clinical Sciences, Colorado State University, 1601 Campus Delivery, Fort Collins, CO, 80523
| | - Douglas L Step
- Boehringer Ingelheim Animal Health USA Inc., 3239 Satellite Blvd., Duluth, GA, 30096
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Fahkrajang W, Sudaryatma PE, Mekata H, Hamabe S, Saito A, Okabayashi T. Bovine respiratory coronavirus enhances bacterial adherence by upregulating expression of cellular receptors on bovine respiratory epithelial cells. Vet Microbiol 2021; 255:109017. [PMID: 33639390 DOI: 10.1016/j.vetmic.2021.109017] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 02/14/2021] [Indexed: 11/22/2022]
Abstract
Bovine coronavirus (BCoV) is one of the agents causing bovine respiratory disease complex (BRDC), with single infection tending to be mild to moderate; the probability of developing pneumonia in BRDC may be affected by viral and bacterial combinations. Previously, we reported that bovine respiratory syncytial virus (BRSV) infection enhances adherence of Pasteurella multocida (PM) to cells derived from the bovine lower respiratory tract but that BRSV infection in cells derived from the upper respiratory tract reduces PM adherence. In this study, we sought to clarify whether the modulation of bacterial adherence to cells derived from the bovine upper and lower respiratory tract is shared by other BRDC-related viruses by infecting bovine epithelial cells from the trachea, bronchus and lung with BCoV and/or PM. The results showed that cells derived from both the upper and lower respiratory tract were susceptible to BCoV infection. Furthermore, all cells infected with BCoV exhibited increased PM adherence via upregulation of two major bacterial adhesion molecules, intercellular adhesion molecule-1 (ICAM-1) and platelet-activating factor receptor (PAF-R), suggesting that compared with BRSV infection, BCoV infection differentially modulates bacterial adherence. In summary, we identified distinct interaction between bovine respiratory viruses and bacterial infections.
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Abstract
Bovine coronaviruses are spread all over the world. They cause two types of clinical manifestations in cattle either an enteric, calf diarrhoea and winter dysentery in adult cattle, or respiratory in all age groups of cattle. The role of coronaviruses in respiratory infections is still a hot topic of discussion since they have been isolated from sick as well as healthy animals and replication of disease is rarely successful. Bovine coronavirus infection is characterised by high morbidity but low mortality. The laboratory diagnosis is typically based on serological or molecular methods. There is no registered drug for the treatment of virus infections in cattle and we are limited to supportive therapy and preventative measures. The prevention of infection is based on vaccination, biosecurity, management and hygiene. This paper will cover epidemiology, taxonomy, pathogenesis, clinical signs, diagnosis, therapy, economic impact and prevention of coronavirus infections in cattle.
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Affiliation(s)
- Jaka Jakob Hodnik
- Veterinary Faculty, Clinic for Reproduction and Large Animals - Section for Ruminants, University of Ljubljana, Ljubljana, Slovenia
| | - Jožica Ježek
- Veterinary Faculty, Clinic for Reproduction and Large Animals - Section for Ruminants, University of Ljubljana, Ljubljana, Slovenia
| | - Jože Starič
- Veterinary Faculty, Clinic for Reproduction and Large Animals - Section for Ruminants, University of Ljubljana, Ljubljana, Slovenia.
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Kramer LM, Mayes MS, Downey ED, Tait RG, Woolums A, Chase C, Reecy JM. Genome-wide association study for response to vaccination in Angus calves 1. BMC Genet 2019; 20:6. [PMID: 30621575 PMCID: PMC6325805 DOI: 10.1186/s12863-018-0709-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 12/21/2018] [Indexed: 11/24/2022] Open
Abstract
Background Bovine respiratory disease complex (BRDC) is one of the most important sources of loss within the beef cattle industry in the USA. Steps have been taken to reduce the incidence of BRDC through vaccination. Despite the effectiveness of vaccines, large proportions of cattle still experience morbidity and mortality. Identification of genomic regions that are associated with variation in response to vaccination would allow for the selection of individuals genetically predisposed to respond to vaccination based on specific markers, while heritability and accuracy estimates would help facilitate genomic selection. This in turn may lead to selection for beef cattle herds that may have lower incidence rate of BRDC after vaccination. This study utilizes an Angus herd of more than 2000 head of cattle to identify these regions of association. Results Genome wide association studies were performed for viral neutralization antibody level and response to vaccination traits against four different viruses associated with BRDC: bovine viral diarrhea virus 1 and 2 (BVDV1 and BVDV2), bovine respiratory syncytial virus (BRSV), and bovine herpesvirus (BHV1). A total of six 1-Mb windows were associated with greater than 1% of the genetic variance for the analyzed vaccination response traits. Heritabilities ranged from 0.08 to 0.21 and prediction accuracy ranged from 0.01 to 0.33 across 7 different vaccination traits. Conclusions Although six 1-Mb windows were identified as associated with 1% or greater genetic variance for viral neutralization antibody level and response to vaccination traits, few genes around these windows could readily be considered candidates. This indicates the need for further functional genomic annotation, as these regions appear to be gene deserts. Traits ranged from lowly to moderately heritable, which indicated the potential for selection of individuals that are genetically pre-disposed to respond to vaccination. The relatively low amount of genetic variance accounted for by any 1-Mb window indicated that viral neutralization antibody level and response to vaccination traits are polygenic in nature. Selection for these traits is possible, but likely to be slow due to the low heritabilities and absence of markers with high genetic variation associated with them.
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Affiliation(s)
- L M Kramer
- Department of Animal Science, Iowa State University, 2255 Kildee Hall, Ames, IA, 50011, USA
| | - M S Mayes
- Department of Animal Science, Iowa State University, 2255 Kildee Hall, Ames, IA, 50011, USA
| | - E D Downey
- Elanco Animal Health, Larchwood, IA, 51241, USA
| | - R G Tait
- Neogen GeneSeek Operations, Lincoln, NE, 68504, USA
| | - A Woolums
- Department of Pathobiology and Population Medicine, Mississippi State University, Mississippi State, MS, 39762, USA
| | - C Chase
- Department of Veterinary and Biomedical Sciences, South Dakota State University, Brookings, SD, 57006, USA
| | - J M Reecy
- Department of Animal Science, Iowa State University, 2255 Kildee Hall, Ames, IA, 50011, USA.
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Thanthrige-Don N, Lung O, Furukawa-Stoffer T, Buchanan C, Joseph T, Godson DL, Gilleard J, Alexander T, Ambagala A. A novel multiplex PCR-electronic microarray assay for rapid and simultaneous detection of bovine respiratory and enteric pathogens. J Virol Methods 2018; 261:51-62. [PMID: 30102924 PMCID: PMC7113860 DOI: 10.1016/j.jviromet.2018.08.010] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 08/08/2018] [Accepted: 08/09/2018] [Indexed: 12/31/2022]
Abstract
Respiratory and enteric diseases continue to be two major causes of economic losses to the cattle industry worldwide. Despite their multifactorial etiology, the currently available diagnostic tests for bovine respiratory disease complex (BRDC) and bovine enteric disease (BED) are single-pathogen-tests. DNA microarray when combined with multiplex polymerase chain reaction (PCR) is a powerful tool in detection and differentiation of multiple pathogens in a single sample. This study reports development and initial validation of two independent highly sensitive and specific multiplex PCR-electronic microarray assays, one for the detection and differentiation of pathogens of the BRDC and the other for detection and differentiation of pathogens of the BED. The BRDC multiplex PCR-microarray assay was able to detect and differentiate four bacteria (Mannheimia haemolytica, Histophilus somni, Pasteurella multocida, and Mycoplasma bovis) and five viruses [bovine parainfluenza virus-3, bovine respiratory syncytial virus, bovine herpesvirus-1, bovine coronavirus (BCoV), and bovine viral diarrhea virus (BVDV)] associated with BRDC. The BED multiplex PCR- microarray- assay was able to detect and differentiate four bacteria (Clostridium perfringens, Escherichia coli, Salmonella enterica Dublin, and Salmonella enterica Typhimurium), three protozoa (Eimeria zuernii, Eimeria bovis, and Cryptosporidium parvum), and four viruses (bovine torovirus, bovine rotavirus, BCoV, and BVDV) associated with the BED. Both assays detected their respective targets individually or in combination when present. The limit-of-detection of each assay at the PCR amplification and DNA microarray levels was determined using previously titrated laboratory amplified target pathogens or using quantified synthetic nucleotides. Both assays showed very high analytical sensitivity and specificity, and were validated using a limited number of clinical samples. The BRDC and BED multiplex PCR- microarray-assays developed in this study, with further clinical validation, could be used in veterinary diagnostic laboratories for the rapid and simultaneous identification of pathogens to facilitate quick and accurate decision making for the control and treatment of these two economically important disease complexes. Furthermore, these assays could be very effective tools in epidemiological studies as well as for screening of healthy animals to identify carriers that may potentially develop BRDC or BED.
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Affiliation(s)
| | - Oliver Lung
- Canadian Food Inspection Agency, Lethbridge Laboratory, Lethbridge, AB, Canada
| | | | - Cody Buchanan
- Canadian Food Inspection Agency, Lethbridge Laboratory, Lethbridge, AB, Canada
| | - Tomy Joseph
- Virology and Molecular Diagnostics, Animal Health Centre, Ministry of Agriculture, Abbotsford, BC, Canada
| | | | - John Gilleard
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada
| | - Trevor Alexander
- Agriculture and Agri-Food Canada, Lethbridge Research and Development Centre, Lethbridge, AB, Canada
| | - Aruna Ambagala
- Faculty of Veterinary Medicine, University of Calgary, Calgary, AB, Canada; Canadian Food Inspection Agency, Lethbridge Laboratory, Lethbridge, AB, Canada.
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Alkheraif AA, Topliff CL, Reddy J, Massilamany C, Donis RO, Meyers G, Eskridge KM, Kelling CL. Type 2 BVDV N pro suppresses IFN-1 pathway signaling in bovine cells and augments BRSV replication. Virology 2017; 507:123-134. [PMID: 28432927 DOI: 10.1016/j.virol.2017.04.015] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2017] [Accepted: 04/14/2017] [Indexed: 12/25/2022]
Abstract
Bovine viral diarrhea virus (BVDV) infection induces immunosuppression and in conjunction with bovine respiratory syncytial virus (BRSV) contributes to the bovine respiratory disease complex. Bovine turbinate cells were single or co-infected with type 2 BVDV wild-type (BVDV2-wt), its dysfunctional Npro mutant (BVDV2-E), and/or BRSV. BVDV2-E significantly up-regulated PKR, IRF-7, TBK-1, IRF-3, and IFN-β mRNAs based on real-time Q-RT-PCR. BRSV-infected cells expressed significantly up-regulated PKR, IRF-3, IRF-7, and IFN-β mRNAs, whereas BVDV2-wt, but not BVDV2-E, abolished this up-regulation in co-infection. No significant differences were observed in MAVS, NF-κB, and PIN-1 mRNAs. A dual-luciferase reporter assay showed that BVDV2-wt significantly increased NF-κB activity compared to BVDV2-E, while BVDV2-E significantly increased IFN-β activity compared to BVDV2-wt. The BRSV titer and RNA levels significantly increased in cells co-infected with BRSV/BVDV2-wt compared to cells co-infected with BRSV/BVDV2-E or infected with BRSV alone. This data supports the synergistic action of BVDV2-wt and BRSV inhibition of IFN-1.
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Affiliation(s)
- Abdulrahman A Alkheraif
- University of Nebraska, School of Veterinary Medicine and Biomedical Sciences, 1880 North 42nd Street, Lincoln, NE, 68583, United States
| | - Christina L Topliff
- University of Nebraska, School of Veterinary Medicine and Biomedical Sciences, 1880 North 42nd Street, Lincoln, NE, 68583, United States.
| | - Jay Reddy
- University of Nebraska, School of Veterinary Medicine and Biomedical Sciences, 1880 North 42nd Street, Lincoln, NE, 68583, United States
| | - Chandirasegaran Massilamany
- University of Nebraska, School of Veterinary Medicine and Biomedical Sciences, 1880 North 42nd Street, Lincoln, NE, 68583, United States
| | - Ruben O Donis
- Center for Disease Control and Prevention, National Center for Immunization & Respiratory Diseases, Influenza Division, 1600 Clifton Road, Atlanta, GA 30333, United States
| | - Gregor Meyers
- Institut für Immunologie, Friedrich-Loeffler-Institut, Südufer 10, D-17493 Greifswald-Insel Riems, Germany
| | - Kent M Eskridge
- University of Nebraska, Department of Statistics, 340 Hardin Hall, Lincoln, NE 68583, United States
| | - Clayton L Kelling
- University of Nebraska, School of Veterinary Medicine and Biomedical Sciences, 1880 North 42nd Street, Lincoln, NE, 68583, United States
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Callaby R, Toye P, Jennings A, Thumbi SM, Coetzer JAW, Conradie Van Wyk IC, Hanotte O, Mbole-Kariuki MN, Bronsvoort BMDC, Kruuk LEB, Woolhouse MEJ, Kiara H. Seroprevalence of respiratory viral pathogens of indigenous calves in Western Kenya. Res Vet Sci 2016; 108:120-4. [PMID: 27663380 PMCID: PMC5040193 DOI: 10.1016/j.rvsc.2016.08.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2016] [Revised: 08/03/2016] [Accepted: 08/22/2016] [Indexed: 10/24/2022]
Abstract
Most studies of infectious diseases in East African cattle have concentrated on gastro-intestinal parasites and vector-borne diseases. As a result, relatively little is known about viral diseases, except for those that are clinically symptomatic or which affect international trade such as foot and mouth disease, bluetongue and epizootic haemorrhagic disease. Here, we investigate the seroprevalence, distribution and relationship between the viruses involved in respiratory disease, infectious bovine rhinotracheitis virus (IBR), bovine parainfluenza virus Type 3 (PIV3) and bovine viral diarrhoea virus (BVDV) in East African Shorthorn Zebu calves. These viruses contribute to the bovine respiratory disease complex (BRD) which is responsible for major economic losses in cattle from intensive farming systems as a result of pneumonia. We found that calves experience similar risks of infection for IBR, PIV3, and BVDV with a seroprevalence of 20.9%, 20.1% and 19.8% respectively. We confirm that positive associations exist between IBR, PIV3 and BVDV; being seropositive for any one of these three viruses means that an individual is more likely to be seropositive for the other two viruses than expected by chance.
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Affiliation(s)
- R Callaby
- Centre for Immunity, Infection and Evolution, University of Edinburgh, Ashworth Laboratories, King's Buildings, West Mains Road, Edinburgh EH9 3JT, UK; James Hutton Institute, Craigiebuckler, Aberdeen AB15 8QH, UK.
| | - P Toye
- International Livestock Research Institute, P.O. Box 30709, Nairobi 00100, Kenya
| | - A Jennings
- The Farm Animal Practice, University of Edinburgh, Easter Bush, Edinburgh EH25 9RG, UK
| | - S M Thumbi
- Paul G Allen School for Global Animal Health, Washington State University, Pullman, WA 99164-7079, USA
| | - J A W Coetzer
- Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Private bag X04, Onderstepoort, South Africa
| | - I C Conradie Van Wyk
- Department of Veterinary Tropical Diseases, Faculty of Veterinary Science, University of Pretoria, Private bag X04, Onderstepoort, South Africa
| | - O Hanotte
- School of Life Science, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - M N Mbole-Kariuki
- International Livestock Research Institute, P.O. Box 30709, Nairobi 00100, Kenya; School of Life Science, University of Nottingham, University Park, Nottingham NG7 2RD, UK
| | - B M de C Bronsvoort
- The Roslin Institute, Easter Bush, University of Edinburgh, Roslin, Midlothian EH25 9RG, UK
| | - L E B Kruuk
- Division of Evolution, Ecology & Genetics, Research School of Biology, The Australian National University, Canberra ACT 0200, Australia; Institute of Evolutionary Biology, University of Edinburgh, Ashworth Laboratories, Kings Buildings, West Mains Road, Edinburgh EH9 3JT, UK
| | - M E J Woolhouse
- Centre for Immunity, Infection and Evolution, University of Edinburgh, Ashworth Laboratories, King's Buildings, West Mains Road, Edinburgh EH9 3JT, UK
| | - H Kiara
- International Livestock Research Institute, P.O. Box 30709, Nairobi 00100, Kenya
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Kirchhoff J, Uhlenbruck S, Keil GM, Schwegmann-Wessels C, Ganter M, Herrler G. Infection of differentiated airway epithelial cells from caprine lungs by viruses of the bovine respiratory disease complex. Vet Microbiol 2014; 170:58-64. [PMID: 24612951 DOI: 10.1016/j.vetmic.2014.01.038] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Revised: 01/27/2014] [Accepted: 01/29/2014] [Indexed: 10/25/2022]
Abstract
Bovine respiratory syncytial virus (BRSV), bovine parainfluenza virus type 3 (BPIV3) and bovine herpesvirus type 1 (BHV-1) are important pathogens associated with the bovine respiratory disease complex (BRDC). Non-bovine ruminants such as goats may also be infected and serve as a virus reservoir to be considered in the development of control strategies. To evaluate the susceptibility of caprine airway epithelial cells to infection by viruses of BRDC, we established a culture system for differentiated caprine epithelial cells. For this purpose, we generated precision-cut lung slices (PCLS), in which cells are retained in their original structural configuration and remain viable for more than a week. The three bovine viruses were found to preferentially infect different cell types. Ciliated epithelial cells were the major target cells of BPIV3, whereas BHV-1 preferred basal cells. Cells infected by BRSV were detected in submucosal cell layers. This spectrum of susceptible cells is the same as that reported recently for infected bovine PCLS. While infection of caprine cells by BRSV and BPIV3 was as efficient as that reported for bovine cells, infection of caprine cells by BHV-1 required a tenfold higher dose of infectious virus as compared to infection of bovine airway cells. These results support the notion that non-bovine ruminants may serve as a reservoir for viruses of BRDC and introduce a culture system to analyze virus infection of differentiated airway epithelial cells from the caprine lung.
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Affiliation(s)
- Jana Kirchhoff
- Institute of Virology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Sabine Uhlenbruck
- Institute of Virology, University of Veterinary Medicine Hannover, Hannover, Germany
| | - Günther M Keil
- Institute of Molecular Biology, Friedrich-Loeffler-Institut, Greifswald-Insel Riems, Germany
| | | | - Martin Ganter
- Clinic for Swine and Small Ruminants, Forensic Medicine and Ambulatory Service, University of Veterinary Medicine, Hannover, Germany
| | - Georg Herrler
- Institute of Virology, University of Veterinary Medicine Hannover, Hannover, Germany.
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