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Ostuni A, Albarella S, Tassoni L, Pugliano M, D'Anza E, Crudele MA, Ciotola F, Beato MS, Iovane V, Cecchini Gualandi S, Frontoso R, De Vendel J, Peretti V, Bavoso A. Circulation of small ruminant lentivirus in endangered goat and sheep breeds of Southern Italy. Heliyon 2024; 10:e33906. [PMID: 39027592 PMCID: PMC11255564 DOI: 10.1016/j.heliyon.2024.e33906] [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: 11/07/2023] [Revised: 06/27/2024] [Accepted: 06/28/2024] [Indexed: 07/20/2024] Open
Abstract
According to the Domestic Animal Diversity Information System (DAD-IS) of the FAO, Italy has one of the largest numbers of local small ruminant breeds among European countries. In Southern Italy, namely the Campania Region, Bagnolese and Laticauda sheep breeds and Cilentana goat breeds are considered endangered according to the DAD-IS. Conservation of endangered animal breeds is a goal of the European Union (EU). However, the role of infectious diseases as risk factors for endangered breeds has rarely been considered. Small ruminant lentiviruses (SRLV) infect sheep and goats, causing slow-progressive, persistent, and debilitating diseases that can lead to animal death and productivity loss. In this study, we investigated the presence of SRLV in Bagnolese, Laticauda, and Cilentana breeds using a commercial ELISA in parallel with an in-house ELISA. The results of the two tests were in good agreement (Cohen Kappa 0.84, 95 % CI = 0.76-0.93). Discrepancies between the two tests were resolved using western blotting. In total, 430 samples were tested (248 Bagnolese, 125 Laticauda, and 57 Cilentana). The apparent prevalence rates were 12.5 %, 6.4 %, and 1.7 % in Bagnolese, Laticauda, and Cilentana, respectively. In the molecular analysis of 11 proviral partial sequences, subtypes B2 and A24 were identified in two Bagnolese herds. Owing to the beneficial role of sheep and goat breeding in marginal areas, it is important to screen the entire population and implement control/eradication of SRLV infections in conjunction with each conservation program.
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Affiliation(s)
- Angela Ostuni
- Department of Sciences, University of Basilicata, Via dell’ Ateneo Lucano 10, 85100, Potenza, Italy
| | - Sara Albarella
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via Delpino 1, 80137, Napoli, Italy
| | - Luca Tassoni
- National Reference Laboratory for Ruminant retroviruses, Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche (IZSUM), Via G. Salvemini 1, 06126, Perugia, PG, Italy
| | - Mariagiulia Pugliano
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via Delpino 1, 80137, Napoli, Italy
| | - Emanuele D'Anza
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via Delpino 1, 80137, Napoli, Italy
| | - Maria Antonietta Crudele
- Department of Sciences, University of Basilicata, Via dell’ Ateneo Lucano 10, 85100, Potenza, Italy
| | - Francesca Ciotola
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via Delpino 1, 80137, Napoli, Italy
| | - Maria Serena Beato
- National Reference Laboratory for Ruminant retroviruses, Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche (IZSUM), Via G. Salvemini 1, 06126, Perugia, PG, Italy
| | - Valentina Iovane
- Dipartimento di Agraria, Università degli Studi di Napoli Federico II, Via Università 100, 80055, Portici, NA, Italy
| | | | - Raffaele Frontoso
- Istituto Zooprofilattico Sperimentale del Mezzogiorno, Via Salute, 2, 80055, Portici, NA, Italy
- OneHEco APS, 84047, Capaccio Paestum, SA, Italy
| | | | - Vincenzo Peretti
- Department of Veterinary Medicine and Animal Production, University of Naples Federico II, Via Delpino 1, 80137, Napoli, Italy
| | - Alfonso Bavoso
- Department of Sciences, University of Basilicata, Via dell’ Ateneo Lucano 10, 85100, Potenza, Italy
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2
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Development of a recombinase polymerase amplification lateral flow dipstick (RPA-LFD) for the field diagnosis of caprine arthritis-encephalitis virus (CAEV) infection. J Virol Methods 2017; 243:98-104. [PMID: 28159666 DOI: 10.1016/j.jviromet.2017.01.023] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2016] [Revised: 12/23/2016] [Accepted: 01/29/2017] [Indexed: 12/20/2022]
Abstract
Caprine arthritis-encephalitis (CAE) in goats is a complex disease syndrome caused by a lentivirus. This persistent viral infection results in arthritis in adult goats and encephalitis in lambs. The prognosis for the encephalitic form is normally poor, and this form of the disease has caused substantial economic losses for goat farmers. Hence, a more efficient detection platform based on recombinase polymerase amplification (RPA) and a lateral flow dipstick (LFD) was developed in the present study for detecting the proviral DNA of caprine arthritis-encephalitis virus (CAEV). Under the optimal incubation conditions, specifically, 30min at 37°C for RPA followed by 5min at room temperature for LFD, the assay was found to be sensitive to a lower limit of 80pg of total DNA and 10 copies of plasmid DNA. Furthermore, there was no cross-reaction with other tested viruses, including goat pox virus and bovine leukemia virus. Given its simplicity and portability, this RPA-LFD protocol can serve as an alternative tool to ELISA for the primary screening of CAEV, one that is suitable for both laboratory and field application. When the RPA-LFD was applied in parallel with serological ELISA for the detection of CAEV in field samples, the RPA-LFD assay exhibited a higher sensitivity than the traditional method, and 82% of the 200 samples collected in Taiwan were found to be positive. To our knowledge, this is the first report providing evidence to support the use of an RPA-LFD assay as a specific and sensitive platform for detecting CAEV proviral DNA in goats in a faster manner, one that is also applicable for on-site utilization at farms and that should be useful in both eradication programs and epidemiological studies.
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Fieni F, Lamara A, Ali Al Ahmad MZ, Cortez-Romero C, Pellerin JL. Caprine arthritis encephalitis: an example of risk assessment for embryo trading. Reprod Fertil Dev 2016; 29:37-51. [PMID: 28278792 DOI: 10.1071/rd16358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
The risk of transmission of caprine arthritis encephalitis virus (CAEV) during embryo transfer has been demonstrated in vivo through the detection of CAEV proviral DNA in: (1) flushing media for embryo collection; (2) cells of the cumulus oophorus surrounding the oocytes, ovarian follicle, oviduct and uterine tissues; and (3) testis, epididymis, vas deferens and vesicular glands. Experimentally infected embryos without a zona pellucida (ZP), washed 10 times with Minimum Essential Media (MEM) and 5% Fetal Calf Serum (FCS) solution, were capable of transmitting CAEV. In vitro we demonstrated that granulosa, oviductal, epididymal and embryo cells are fully susceptible to CAEV infection and allow active replication. However, AI with in vitro-infected semen can result in the production, after ten washing, of CAEV-free embryos, and ten washing in vitro- or in vivo-infected embryos with an intact ZP, or ten washing oocytes with an intact ZP, resulted in the production of virus-free female gametes or embryos that can be used for IVF or embryo transfer. Therefore, we have demonstrated that: (1) that CAEV-free embryos can be produced by IVF using spermatozoa infected in vitro by CAEV; and (2) embryo transfer can be used under field conditions to produce CAEV-free kids from CAEV-infected biological mothers.
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Affiliation(s)
- Francis Fieni
- L'Université Nantes Angers Le Mans (L'UNAM), Oniris, Nantes-Atlantic National College of Veterinary Medicine, Food Science and Engineering, Sanitary Security of Reproduction Biotechnology Unit, Nantes, BP 40706, 44307 Nantes CEDEX 03, France
| | - Ali Lamara
- L'Université Nantes Angers Le Mans (L'UNAM), Oniris, Nantes-Atlantic National College of Veterinary Medicine, Food Science and Engineering, Sanitary Security of Reproduction Biotechnology Unit, Nantes, BP 40706, 44307 Nantes CEDEX 03, France
| | - Mohamad Zuher Ali Al Ahmad
- L'Université Nantes Angers Le Mans (L'UNAM), Oniris, Nantes-Atlantic National College of Veterinary Medicine, Food Science and Engineering, Sanitary Security of Reproduction Biotechnology Unit, Nantes, BP 40706, 44307 Nantes CEDEX 03, France
| | - Cesar Cortez-Romero
- L'Université Nantes Angers Le Mans (L'UNAM), Oniris, Nantes-Atlantic National College of Veterinary Medicine, Food Science and Engineering, Sanitary Security of Reproduction Biotechnology Unit, Nantes, BP 40706, 44307 Nantes CEDEX 03, France
| | - Jean-Louis Pellerin
- L'Université Nantes Angers Le Mans (L'UNAM), Oniris, Nantes-Atlantic National College of Veterinary Medicine, Food Science and Engineering, Sanitary Security of Reproduction Biotechnology Unit, Nantes, BP 40706, 44307 Nantes CEDEX 03, France
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Caprine arthritis encephalitis virus detection in blood by loop-mediated isothermal amplification (LAMP) assay targeting the proviral gag region. Diagn Microbiol Infect Dis 2014; 79:37-42. [PMID: 24630755 DOI: 10.1016/j.diagmicrobio.2013.12.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2013] [Revised: 12/03/2013] [Accepted: 12/26/2013] [Indexed: 12/23/2022]
Abstract
Caprine arthritis encephalitis virus (CAEV), of the genus Lentivirus of the Retroviridae family, causes persistent disease, which is characterized by polyarthritis and mastitis in adult goats and progressive paresis (leukoencephalomyelitis) in kids. A loop-mediated isothermal amplification (LAMP) assay was developed for the detection of CAEV in blood samples. Species-specific primers amplifying the gag gene region in the provirus were used for the detection of CAEV. The LAMP assay result was obtained 30 min after incubation on a constant temperature at 63 °C in a heat block. Resulting amplicons were visualized by addition of SYBR green dye after the reaction and checked by agarose gel electrophoresis. The sensitivity of LAMP assay was evaluated by comparing the result with the nested polymerase chain reaction. Based on the experiments, the result of the assay indicated a rapid and sensitive test for the detection of CAEV.
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Turchetti AP, Paniago JJ, da Costa LF, da Cruz JC, Braz GF, Gouveia AM, Paixão TA, Santos RL, Heinemann MB. Distribution of caprine arthritis encephalitis virus provirus, RNA, and antigen in the reproductive tract of one naturally and seven experimentally infected bucks. Theriogenology 2013; 80:933-9. [DOI: 10.1016/j.theriogenology.2013.07.021] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Revised: 07/16/2013] [Accepted: 07/17/2013] [Indexed: 11/25/2022]
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Lima CCVD, Costa JN, Souza TSD, Martinez P, Costa Neto AO, Anunciação AVM, Almeida MDGÁR, Araújo BR, Pinheiro RR. Inquérito soroepidemiológico do lentivírus caprino e perfil das criações de caprinos na região do Baixo Médio São Francisco (BA). ARQUIVOS DO INSTITUTO BIOLÓGICO 2013. [DOI: 10.1590/s1808-16572013000300005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Este trabalho teve como finalidade verificar a prevalência sorológica da lentivirose caprina (LVC) na microrregião de Juazeiro, na Bahia, por meio da técnica de imunodifusão em gel de agar (IDGA), bem como caracterizar os sistemas de criação da região. Para tal, foram avaliadas 693 amostras de soros sanguíneos de caprinos de 46 propriedades rurais em diferentes localidades, pertencentes aos 8 municípios formadores da microrregião (Campo Alegre de Lourdes, Casa Nova, Curaçá, Juazeiro, Pilão Arcado, Remanso, Sento Sé e Sobradinho). Na realização das visitas, aplicou-se um questionário com ênfase nas informações referentes ao manejo sanitário. Das propriedades visitadas, todas apresentavam sistema de criação extensivo, com predomínio de animais sem raça definida, baixa produtividade e baixo índice de tecnificação, visando principalmente à obtenção de carne. As principais enfermidades relatadas foram linfadenite caseosa, diarreias, ectoparasitoses e ceratoconjuntivite. Quanto à soroprevalência, 0,29% (2/693) das amostras apresentaram sorologia positiva para a LVC. Os animais positivos pertenciam à mesma propriedade, no município de Curaçá, que apresentou 12,5% (1/8) de propriedades positivas, contrastando com 2,17% (1/46) de soroprevalência total dos rebanhos visitados. Estes resultados sugerem, portanto, a necessidade da efetivação de medidas preventivas na região, principalmente no momento em que se verifica a importação de animais para melhoramento genético.
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Affiliation(s)
| | | | | | - Priscila Martinez
- Companhia de Desenvolvimento dos Vales do São Francisco e Parnaíba, Brazil
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Small ruminant lentiviruses (SRLVs) break the species barrier to acquire new host range. Viruses 2013; 5:1867-84. [PMID: 23881276 PMCID: PMC3738966 DOI: 10.3390/v5071867] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2013] [Revised: 07/10/2013] [Accepted: 07/16/2013] [Indexed: 12/16/2022] Open
Abstract
Zoonotic events of simian immunodeficiency virus (SIV) from non-human primates to humans have generated the acquired immunodeficiency syndrome (AIDS), one of the most devastating infectious disease of the last century with more than 30 million people dead and about 40.3 million people currently infected worldwide. Human immunodeficiency virus (HIV-1 and HIV-2), the two major viruses that cause AIDS in humans are retroviruses of the lentivirus genus. The genus includes arthritis-encephalitis virus (CAEV) and Maedi-Visna virus (MVV), and a heterogeneous group of viruses known as small ruminant lentiviruses (SRLVs), affecting goat and sheep. Lentivirus genome integrates into the host DNA, causing persistent infection associated with a remarkable diversity during viral replication. Direct evidence of mixed infections with these two closely related SRLVs was found in both sheep and goats. The evidence of a genetic continuum with caprine and ovine field isolates demonstrates the absence of an efficient species barrier preventing cross-species transmission. In dual-infected animals, persistent infections with both CAEV and MVV have been described, and viral chimeras have been detected. This not only complicates animal trade between countries but favors the risk that highly pathogenic variants may emerge as has already been observed in the past in Iceland and, more recently, in outbreaks with virulent strains in Spain. SRLVs affecting wildlife have already been identified, demonstrating the existence of emergent viruses adapted to new hosts. Viruses adapted to wildlife ruminants may acquire novel biopathological properties which may endanger not only the new host species but also domestic ruminants and humans. SRLVs infecting sheep and goats follow a genomic evolution similar to that observed in HIV or in other lentiviruses. Lentivirus genetic diversity and host factors leading to the establishment of naturally occurring virulent versus avirulent infections, in addition to the emergence of new strains, challenge every aspect of SRLV control measures for providing efficient tools to prevent the transmission of diseases between wild ungulates and livestock.
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Caprine arthritis encephalitis virus (CAEV) replicates productively in cultured epididymal cells from goats. Comp Immunol Microbiol Infect Dis 2013; 36:397-404. [DOI: 10.1016/j.cimid.2013.02.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2011] [Revised: 02/15/2013] [Accepted: 02/25/2013] [Indexed: 10/26/2022]
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9
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Souza KCD, Pinheiro RR, Santos DO, Brito RLLD, Rodrigues ADS, Sider LH, Paula NRO, Avila AA, Cardoso JDFS, Andrioli A. Transmission of the caprine arthritis–encephalitis virus through artificial insemination. Small Rumin Res 2013. [DOI: 10.1016/j.smallrumres.2012.07.031] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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10
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The risk of small ruminant lentivirus (SRLV) transmission with reproductive biotechnologies: State-of-the-art review. Theriogenology 2013; 79:1-9. [DOI: 10.1016/j.theriogenology.2012.09.021] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2012] [Revised: 09/21/2012] [Accepted: 09/29/2012] [Indexed: 11/18/2022]
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11
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Tageldin MH, Johnson EH, Al-Busaidi RM, Al-Habsi KR, Al-Habsi SS. Serological evidence of caprine arthritis-encephalitis virus (CAEV) infection in indigenous goats in the Sultanate of Oman. Trop Anim Health Prod 2011; 44:1-3. [PMID: 21660649 DOI: 10.1007/s11250-011-9883-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/25/2011] [Indexed: 11/28/2022]
Abstract
Caprine arthritis encephalitis (CAE) is a chronic debilitating disease of goats caused by a lentivirus responsible for economic losses as a result of a drop in milk production and weight loss. The objective of the study was to determine if indigenous goats from five different regions in the Sultanate of Oman exhibit serological evidence of exposure to CAEV using a competitive-inhibition ELISA technique. Blood samples were collected from slaughtered goats (N=1,110) and from the National Serum Bank (n=528). In total, 83 (5.1%) of screened samples were classed as seropositive. The results provide the first serological evidence for the presence of CAEV in Oman.
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Affiliation(s)
- Mohamed Hassan Tageldin
- Department of Animal & Veterinary Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, P.O.Box34, PC 123, Muscat, Sultanate of Oman.
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