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Zewdie G, Akalu M, Tolossa W, Belay H, Deresse G, Zekarias M, Tesfaye Y. A review of foot-and-mouth disease in Ethiopia: epidemiological aspects, economic implications, and control strategies. Virol J 2023; 20:299. [PMID: 38102688 PMCID: PMC10724896 DOI: 10.1186/s12985-023-02263-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 12/07/2023] [Indexed: 12/17/2023] Open
Abstract
Foot-and-mouth disease (FMD) is a contagious viral disease that affects the livelihoods and productivity of livestock farmers in endemic regions. It can infect various domestic and wild animals with cloven hooves and is caused by a virus belonging to the genus Aphthovirus and family Picornaviridae, which has seven different serotypes: A, O, C, SAT1, SAT2, SAT3, and Asia-1. This paper aims to provide a comprehensive overview of the molecular epidemiology, economic impact, diagnosis, and control measures of FMD in Ethiopia in comparison with the global situation. The genetic and antigenic diversity of FMD viruses requires a thorough understanding for developing and applying effective control strategies in endemic areas. FMD has direct and indirect economic consequences on animal production. In Ethiopia, FMD outbreaks have led to millions of USD losses due to the restriction or rejection of livestock products in the international market. Therefore, in endemic areas, disease control depends on vaccinations to prevent animals from developing clinical disease. However, in Ethiopia, due to the presence of diverse antigenic serotypes of FMD viruses, regular and extensive molecular investigation of new field isolates is necessary to perform vaccine-matching studies to evaluate the protective potential of the vaccine strain in the country.
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Affiliation(s)
- Girma Zewdie
- National Veterinary Institute (NVI), P. O. Box: 19, Bishoftu, Ethiopia.
| | - Mirtneh Akalu
- National Veterinary Institute (NVI), P. O. Box: 19, Bishoftu, Ethiopia
- Koneru Lakshmaiah Education Foundation, Department of Biotechnology, Vaddeswaram, Guntur, Ap, 522502, India
| | | | - Hassen Belay
- Africa Union Pan African Veterinary Vaccine Center (AU-PANVAC), P. O. Box: 1746, Bishoftu, Ethiopia
| | - Getaw Deresse
- National Veterinary Institute (NVI), P. O. Box: 19, Bishoftu, Ethiopia
| | | | - Yeneneh Tesfaye
- National Veterinary Institute (NVI), P. O. Box: 19, Bishoftu, Ethiopia
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Sarry M, Bernelin-Cottet C, Michaud C, Relmy A, Romey A, Salomez AL, Renson P, Contrant M, Berthaud M, Huet H, Jouvion G, Hägglund S, Valarcher JF, Bakkali Kassimi L, Blaise-Boisseau S. Development of a primary cell model derived from porcine dorsal soft palate for foot-and-mouth disease virus research and diagnosis. Front Microbiol 2023; 14:1215347. [PMID: 37840704 PMCID: PMC10570842 DOI: 10.3389/fmicb.2023.1215347] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 09/06/2023] [Indexed: 10/17/2023] Open
Abstract
Foot-and-mouth disease (FMD) is a highly contagious viral disease of cloven-hoofed animals that has a significant socio-economic impact. One concern associated with this disease is the ability of its etiological agent, the FMD virus (FMDV), to persist in its hosts through underlying mechanisms that remain to be elucidated. While persistence has been described in cattle and small ruminants, it is unlikely to occur in pigs. One of the factors limiting the progress in understanding FMDV persistence and, in particular, differential persistence is the lack of suitable in vitro models. A primary bovine cell model derived from the dorsal soft palate, which is the primary site of replication and persistence of FMDV in cattle, has been developed, and it seemed relevant to develop a similar porcine model. Cells from two sites of FMDV replication in pigs, namely, the dorsal soft palate and the oropharyngeal tonsils, were isolated and cultured. The epithelial character of the cells from the dorsal soft palate was then assessed by immunofluorescence. The FMDV-sensitivity of these cells was assessed after monolayer infection with FMDV O/FRA/1/2001 Clone 2.2. These cells were also grown in multilayers at the air-liquid interface to mimic a stratified epithelium susceptible to FMDV infection. Consistent with what has been shown in vivo in pigs, our study showed no evidence of persistence of FMDV in either the monolayer or multilayer model, with no infectious virus detected 28 days after infection. The development of such a model opens up new possibilities for the study and diagnosis of FMDV in porcine cells.
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Affiliation(s)
- Morgan Sarry
- UMR VIROLOGIE, INRAe, EnvA, ANSES Laboratoire de Santé Animale, Université Paris-Est, Maisons-Alfort, France
- AgroParistech, Paris, France
| | - Cindy Bernelin-Cottet
- UMR VIROLOGIE, INRAe, EnvA, ANSES Laboratoire de Santé Animale, Université Paris-Est, Maisons-Alfort, France
| | - Caroline Michaud
- UMR VIROLOGIE, INRAe, EnvA, ANSES Laboratoire de Santé Animale, Université Paris-Est, Maisons-Alfort, France
| | - Anthony Relmy
- UMR VIROLOGIE, INRAe, EnvA, ANSES Laboratoire de Santé Animale, Université Paris-Est, Maisons-Alfort, France
| | - Aurore Romey
- UMR VIROLOGIE, INRAe, EnvA, ANSES Laboratoire de Santé Animale, Université Paris-Est, Maisons-Alfort, France
| | - Anne-Laure Salomez
- UMR VIROLOGIE, INRAe, EnvA, ANSES Laboratoire de Santé Animale, Université Paris-Est, Maisons-Alfort, France
| | - Patricia Renson
- ANSES Laboratoire de Ploufragan-Plouzané-Niort, Ploufragan, France
| | - Maud Contrant
- ANSES Laboratoire de Ploufragan-Plouzané-Niort, Ploufragan, France
| | - Maxime Berthaud
- ANSES Laboratoire de Ploufragan-Plouzané-Niort, Ploufragan, France
| | - Hélène Huet
- UMR VIROLOGIE, INRAe, EnvA, ANSES Laboratoire de Santé Animale, Université Paris-Est, Maisons-Alfort, France
| | - Grégory Jouvion
- Dynamyc Research Team, Université Paris-Est Créteil, Ecole Nationale Vétérinaire d’Alfort, ANSES, Créteil, France
- Unité d’Histologie et d’Anatomie Pathologique, Ecole Nationale Vétérinaire d’Alfort, Maisons-Alfort, France
| | - Sara Hägglund
- Host Pathogen Interaction Group, Section of Ruminant Medicine, Department of Clinical Science, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden
| | - Jean-François Valarcher
- Host Pathogen Interaction Group, Section of Ruminant Medicine, Department of Clinical Science, Swedish University of Agricultural Sciences (SLU), Uppsala, Sweden
| | - Labib Bakkali Kassimi
- UMR VIROLOGIE, INRAe, EnvA, ANSES Laboratoire de Santé Animale, Université Paris-Est, Maisons-Alfort, France
| | - Sandra Blaise-Boisseau
- UMR VIROLOGIE, INRAe, EnvA, ANSES Laboratoire de Santé Animale, Université Paris-Est, Maisons-Alfort, France
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Sarry M, Caignard G, Dupré J, Zientara S, Vitour D, Bakkali Kassimi L, Blaise-Boisseau S. Host-Specific Interplay between Foot-and-Mouth Disease Virus 3D Polymerase and the Type-I Interferon Pathway. Viruses 2023; 15:666. [PMID: 36992375 PMCID: PMC10054395 DOI: 10.3390/v15030666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/17/2023] [Accepted: 02/24/2023] [Indexed: 03/06/2023] Open
Abstract
Foot-and-mouth disease (FMD) is a highly contagious viral disease affecting cloven-hoofed animals. One of the issues related to this disease is the persistence of its causative agent, foot-and-mouth disease virus (FMDV). While the mechanisms of FMDV persistence remain unclear, there are clues that it may be related to protein-protein interactions (PPI) between viral proteins and cellular proteins involved in the interferon (IFN) response. Since FMDV persistence has been described in cattle, sheep and goats but not in swine, we screened PPI involving FMDV proteins and sixteen major type-I IFN pathway proteins from these four species by nanoluciferase-2-hybrid complementation assay, in order to identify new PPI and determine their host specificity. As the results concerning the 3Dpol were the most interesting in view of the limited data concerning its role in immune escape, we decided to focus particularly on this protein. The identified PPI were confirmed by GST pull-down. We identified PPI between 3Dpol and seven IFN pathway proteins, namely, IKKα, IKKε, IRF3, IRF7, NEMO, MDA5 and MAVS. These PPI are conserved among the four studied species, with the exception of the one between 3Dpol and MAVS, which was only found with the swine protein. We also showed, using luciferase reporter assays, that 3Dpol could inhibit the induction phase of the IFN pathway. These results demonstrate, for the first time, a putative role for 3Dpol in FMDV innate immune escape.
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Affiliation(s)
- Morgan Sarry
- UMR VIROLOGIE, INRAE, École Nationale Vétérinaire d’Alfort, ANSES Laboratoire de Santé Animale, Université Paris-Est, 94700 Maisons-Alfort, France; (G.C.); (J.D.); (S.Z.); (D.V.); (L.B.K.)
- AgroParistech, 16 Rue Claude Bernard, 75005 Paris, France
| | - Grégory Caignard
- UMR VIROLOGIE, INRAE, École Nationale Vétérinaire d’Alfort, ANSES Laboratoire de Santé Animale, Université Paris-Est, 94700 Maisons-Alfort, France; (G.C.); (J.D.); (S.Z.); (D.V.); (L.B.K.)
| | - Juliette Dupré
- UMR VIROLOGIE, INRAE, École Nationale Vétérinaire d’Alfort, ANSES Laboratoire de Santé Animale, Université Paris-Est, 94700 Maisons-Alfort, France; (G.C.); (J.D.); (S.Z.); (D.V.); (L.B.K.)
| | - Stephan Zientara
- UMR VIROLOGIE, INRAE, École Nationale Vétérinaire d’Alfort, ANSES Laboratoire de Santé Animale, Université Paris-Est, 94700 Maisons-Alfort, France; (G.C.); (J.D.); (S.Z.); (D.V.); (L.B.K.)
| | - Damien Vitour
- UMR VIROLOGIE, INRAE, École Nationale Vétérinaire d’Alfort, ANSES Laboratoire de Santé Animale, Université Paris-Est, 94700 Maisons-Alfort, France; (G.C.); (J.D.); (S.Z.); (D.V.); (L.B.K.)
| | - Labib Bakkali Kassimi
- UMR VIROLOGIE, INRAE, École Nationale Vétérinaire d’Alfort, ANSES Laboratoire de Santé Animale, Université Paris-Est, 94700 Maisons-Alfort, France; (G.C.); (J.D.); (S.Z.); (D.V.); (L.B.K.)
| | - Sandra Blaise-Boisseau
- UMR VIROLOGIE, INRAE, École Nationale Vétérinaire d’Alfort, ANSES Laboratoire de Santé Animale, Université Paris-Est, 94700 Maisons-Alfort, France; (G.C.); (J.D.); (S.Z.); (D.V.); (L.B.K.)
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