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Vargas-Castro I, Crespo-Picazo JL, Fayos M, Jiménez-Martínez MDLÁ, Torre-Fuentes L, Álvarez J, Moura AE, Hernández M, Buendía A, Barroso-Arévalo S, García-Seco T, Pérez-Sancho M, De Miguel MJ, Andrés-Barranco S, Marco-Cabedo V, Peñin-Villahoz G, Muñoz PM, Domínguez L, García-Párraga D, Sánchez-Vizcaíno JM. New insights into the pathogenesis and transmission of Brucella pinnipedialis: systemic infection in two bottlenose dolphins ( Tursiops truncatus). Microbiol Spectr 2023; 11:e0199723. [PMID: 37800951 PMCID: PMC10848334 DOI: 10.1128/spectrum.01997-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Accepted: 08/08/2023] [Indexed: 10/07/2023] Open
Abstract
IMPORTANCE Brucella spp. are zoonotic pathogens that can affect both terrestrial and marine mammals. Brucella ceti has been identified in various cetacean species, but only one sequence type (ST27) has been reported in humans. However, it is important to conduct surveillance studies to better understand the impact of marine Brucella species on marine mammals, a typically understudied host group. Here, we describe a systemic infection by two related strains of Brucella pinnipedialis (ST25) in a couple of live-stranded bottlenose dolphins, with more severe lesions in the younger animal. Furthermore, B. pinnipedialis was first detected in milk from a female cetacean that stranded with its offspring. Our study reveals novel insights into the epidemiology and pathological consequences of B. pinnipedialis infections in cetaceans, emphasizing the crucial importance of ongoing surveillance and accurate diagnosis to understand the impact of this pathogen on marine mammal populations.
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Affiliation(s)
- Ignacio Vargas-Castro
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain
- Animal Health Department, Veterinary School, Complutense University of Madrid, Madrid, Spain
| | | | - Manena Fayos
- Centro de Recuperación de Fauna Silvestre de Cantabria, Santander, Spain
| | | | - Laura Torre-Fuentes
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain
| | - Julio Álvarez
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain
- Animal Health Department, Veterinary School, Complutense University of Madrid, Madrid, Spain
| | - André E. Moura
- Museum and Institute of Zoology, Polish Academy of Sciences, Warsaw, Poland
| | - Marta Hernández
- Laboratory of Molecular Biology and Microbiology, Instituto Tecnológico Agrario de Castilla y León, Valladolid, Spain
| | - Aranzazu Buendía
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain
| | - Sandra Barroso-Arévalo
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain
- Animal Health Department, Veterinary School, Complutense University of Madrid, Madrid, Spain
| | - Teresa García-Seco
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain
| | - Marta Pérez-Sancho
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain
- Animal Health Department, Veterinary School, Complutense University of Madrid, Madrid, Spain
| | - María Jesús De Miguel
- Departamento de Ciencia Animal, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA) - Instituto Agroalimentario de Aragón-IA2 (CITA-Universidad de Zaragoza), Zaragoza, España, Spain
| | - Sara Andrés-Barranco
- Departamento de Ciencia Animal, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA) - Instituto Agroalimentario de Aragón-IA2 (CITA-Universidad de Zaragoza), Zaragoza, España, Spain
| | - Vicente Marco-Cabedo
- />Fundación Oceanogràfic. Oceanogràfic. Ciudad de las Artes y las Ciencias, Valencia, Spain
| | | | - Pilar María Muñoz
- Departamento de Ciencia Animal, Centro de Investigación y Tecnología Agroalimentaria de Aragón (CITA) - Instituto Agroalimentario de Aragón-IA2 (CITA-Universidad de Zaragoza), Zaragoza, España, Spain
| | - Lucas Domínguez
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain
- Animal Health Department, Veterinary School, Complutense University of Madrid, Madrid, Spain
| | - Daniel García-Párraga
- />Fundación Oceanogràfic. Oceanogràfic. Ciudad de las Artes y las Ciencias, Valencia, Spain
| | - José Manuel Sánchez-Vizcaíno
- VISAVET Health Surveillance Centre, Complutense University of Madrid, Madrid, Spain
- Animal Health Department, Veterinary School, Complutense University of Madrid, Madrid, Spain
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Sakyi ME, Kamio T, Kohyama K, Rahman MM, Shimizu K, Okada A, Inoshima Y. Assessing of the use of proteins A, G, and chimeric protein AG to detect marine mammal immunoglobulins. PLoS One 2023; 18:e0291743. [PMID: 37733771 PMCID: PMC10513184 DOI: 10.1371/journal.pone.0291743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Accepted: 09/05/2023] [Indexed: 09/23/2023] Open
Abstract
In recent years, there has been an increase in infectious diseases in marine mammals, including brucellosis, infections of morbillivirus, herpesvirus, and poxvirus. Several serological diagnostic methods, including enzyme-linked immunosorbent assays, immunofluorescence assays (ELISA), and western blotting, have been used to detect antibodies against pathogens in marine mammals. However, options for commercial secondary antibodies used to detect antibodies in marine mammals are limited; therefore, the use of proteins A, G, or chimeric protein AG may provide a suitable alternative. This study aimed to assess the use of proteins A, G, and chimeric protein AG to detect marine mammal immunoglobulins. Currently, there are no comparative studies on the use of proteins A, G, and chimeric protein AG for the detection of immunoglobulins in marine mammals. In this study, we used ten pinnipeds' species (Baikal seal, California sea lion, harbor seal, northern fur seal, ringed seal, South American fur seal, South American sea lion, spotted seal, Steller sea lion, and walrus) and five cetacean species (beluga whale, bottlenose dolphin, harbor porpoise, killer whale, and Pacific white-sided dolphin) and compare binding ability to proteins A, G, or chimeric protein AG by ELISA. The results revealed that the immunoglobulins from pinniped and cetacean species reacted more strongly to protein A than protein G. In addition, the immunoglobulins of pinnipeds and cetaceans showed a strong binding ability to chimeric protein AG. These results suggest that proteins A, G, and chimeric protein AG would be used to help further develop serological assays.
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Affiliation(s)
- Michael Essien Sakyi
- Cooperative Department of Veterinary Medicine, Laboratory of Food and Environmental Hygiene, Gifu University, Gifu, Japan
- Joint Graduate School of Veterinary Sciences, Gifu University, Gifu, Japan
| | - Takashi Kamio
- Cooperative Department of Veterinary Medicine, Laboratory of Food and Environmental Hygiene, Gifu University, Gifu, Japan
- Joint Graduate School of Veterinary Sciences, Gifu University, Gifu, Japan
- Port of Nagoya Public Aquarium, Nagoya, Aichi, Japan
| | | | - Md. Matiur Rahman
- Cooperative Department of Veterinary Medicine, Laboratory of Food and Environmental Hygiene, Gifu University, Gifu, Japan
- Faculty for Veterinary, Department of Medicine, Animal and Biomedical Sciences, Sylhet Agricultural University, Sylhet, Bangladesh
| | - Kaori Shimizu
- Cooperative Department of Veterinary Medicine, Laboratory of Food and Environmental Hygiene, Gifu University, Gifu, Japan
| | - Ayaka Okada
- Cooperative Department of Veterinary Medicine, Laboratory of Food and Environmental Hygiene, Gifu University, Gifu, Japan
- Education and Research Center for Food Animal Health, Gifu University (GeFAH), Gifu, Japan
| | - Yasuo Inoshima
- Cooperative Department of Veterinary Medicine, Laboratory of Food and Environmental Hygiene, Gifu University, Gifu, Japan
- Joint Graduate School of Veterinary Sciences, Gifu University, Gifu, Japan
- Education and Research Center for Food Animal Health, Gifu University (GeFAH), Gifu, Japan
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Hernández-Mora G, Chacón-Díaz C, Moreira-Soto A, Barrantes-Granados O, Suárez-Esquivel M, Viquez-Ruiz E, Barquero-Calvo E, Ruiz-Villalobos N, Hidalgo-Montealegre D, González-Barrientos R, Demeter EA, Estrella-Morales J, Zúñiga-Pereira AM, Quesada-Gómez C, Chaves-Olarte E, Lomonte B, Guzmán-Verri C, Drexler JF, Moreno E. Virulent Brucella nosferati infecting Desmodus rotundus has emerging potential due to the broad foraging range of its bat host for humans and wild and domestic animals. mSphere 2023; 8:e0006123. [PMID: 37404031 PMCID: PMC10449500 DOI: 10.1128/msphere.00061-23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 04/28/2023] [Indexed: 07/06/2023] Open
Abstract
Desmodus rotundus, vampire bats, transmit dangerous infections, and brucellosis is a hazardous zoonotic disease, two adversities that coexist in the subtropical and tropical areas of the American continent. Here, we report a 47.89% Brucella infection prevalence in a colony of vampire bats inhabiting the tropical rainforest of Costa Rica. The bacterium induced placentitis and fetal death in bats. Wide-range phenotypic and genotypic characterization placed the Brucella organisms as a new pathogenic species named Brucella nosferati sp. nov., isolated from bat tissues, including the salivary glands, suggesting feeding behavior might favor transmission to their prey. Overall analyses placed B. nosferati as the etiological agent of a reported canine brucellosis case, demonstrating its potential for infecting other hosts. To assess the putative prey hosts, we analyzed the intestinal contents of 14 infected and 23 non-infected bats by proteomics. A total of 54,508 peptides sorted into 7,203 unique peptides corresponding to 1,521 proteins were identified. Twenty-three wildlife and domestic taxa, including humans, were foraged by B. nosferati-infected D. rotundus, suggesting contact of this bacterium with a broad range of hosts. Our approach is appropriate for detecting, in a single study, the prey preferences of vampire bats in a diverse area, demonstrating its suitability for control strategies where vampire bats thrive. IMPORTANCE The discovery that a high proportion of vampire bats in a tropical area is infected with pathogenic Brucella nosferati and that bats forage on humans and many wild and domestic animals is relevant from the perspective of emerging disease prevention. Indeed, bats harboring B. nosferati in their salivary glands may transmit this pathogenic bacterium to other hosts. This potential is not trivial since, besides the demonstrated pathogenicity, this bacterium possesses all the required virulent arsenal of dangerous Brucella organisms, including those that are zoonotic for humans. Our work has settled the basis for future surveillance actions in brucellosis control programs where these infected bats thrive. Moreover, our strategy to identify the foraging range of bats may be adapted for exploring the feeding habits of diverse animals, including arthropod vectors of infectious diseases, and therefore of interest to a broader audience besides experts on Brucella and bats.
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Affiliation(s)
- Gabriela Hernández-Mora
- Unidad de Microbiología Médico Veterinaria, Servicio Nacional de Salud Animal (SENASA), Ministerio de Agricultura y Ganadería, Heredia, Costa Rica
| | - Carlos Chacón-Díaz
- Centro de Investigación en Enfermedades Tropicales (CIET), Facultad de Microbiología, Universidad de Costa Rica, San José, Costa Rica
| | - Andres Moreira-Soto
- Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Virology, Berlin, Germany
| | - Osvaldo Barrantes-Granados
- Unidad de Microbiología Médico Veterinaria, Servicio Nacional de Salud Animal (SENASA), Ministerio de Agricultura y Ganadería, Heredia, Costa Rica
| | - Marcela Suárez-Esquivel
- Programa de Investigación en Enfermedades Tropicales (PIET), Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
| | - Eunice Viquez-Ruiz
- Unidad de Microbiología Médico Veterinaria, Servicio Nacional de Salud Animal (SENASA), Ministerio de Agricultura y Ganadería, Heredia, Costa Rica
| | - Elías Barquero-Calvo
- Programa de Investigación en Enfermedades Tropicales (PIET), Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
| | - Nazareth Ruiz-Villalobos
- Programa de Investigación en Enfermedades Tropicales (PIET), Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
| | - Daniela Hidalgo-Montealegre
- Programa de Investigación en Enfermedades Tropicales (PIET), Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
| | - Rocío González-Barrientos
- Section of Anatomic Pathology, Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA
| | - Elena A. Demeter
- Section of Anatomic Pathology, Department of Biomedical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA
| | - Josimar Estrella-Morales
- Unidad de Microbiología Médico Veterinaria, Servicio Nacional de Salud Animal (SENASA), Ministerio de Agricultura y Ganadería, Heredia, Costa Rica
| | - Ana-Mariel Zúñiga-Pereira
- Centro de Investigación en Enfermedades Tropicales (CIET), Facultad de Microbiología, Universidad de Costa Rica, San José, Costa Rica
| | - Carlos Quesada-Gómez
- Centro de Investigación en Enfermedades Tropicales (CIET), Facultad de Microbiología, Universidad de Costa Rica, San José, Costa Rica
| | - Esteban Chaves-Olarte
- Centro de Investigación en Enfermedades Tropicales (CIET), Facultad de Microbiología, Universidad de Costa Rica, San José, Costa Rica
| | - Bruno Lomonte
- Instituto Clodomiro Picado, Facultad de Microbiología, Universidad de Costa Rica, San José, Costa Rica
| | - Caterina Guzmán-Verri
- Programa de Investigación en Enfermedades Tropicales (PIET), Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
| | - Jan Felix Drexler
- Charité–Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Virology, Berlin, Germany
| | - Edgardo Moreno
- Programa de Investigación en Enfermedades Tropicales (PIET), Escuela de Medicina Veterinaria, Universidad Nacional, Heredia, Costa Rica
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de Sousa GP, Soares RM, Borges JCG, Brito APD, Oliveira DCR, Faita T, Attademo FLN, Luna FDO, de Oliveira REM, Freitas CIA, Vergara-Parente JE, Keid LB. Brucella Infection Investigation in Cetaceans and Manatees in Northeast Brazil. JOURNAL OF AQUATIC ANIMAL HEALTH 2021; 33:125-132. [PMID: 34121245 DOI: 10.1002/aah.10129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2020] [Revised: 04/07/2021] [Accepted: 04/12/2021] [Indexed: 06/12/2023]
Abstract
Among the bacterial infections that impair the health status of marine mammals, those caused by Brucella spp. are the most reported worldwide. Brucella infections in marine mammals can result in acute or chronic disease and are associated with variable clinical outcomes, depending on the organ involved during the infectious process, infection route, host immunity, and strain pathogenicity. Asymptomatic infections may also occur. The current study expands the investigation of Brucella infection in northeast Brazil by analyzing 19 dead, stranded cetaceans and 52 Antillean manatees Trichechus manatus manatus. The manatees included 8 dead, captive manatees and 44 live specimens, of which 10 were analyzed only after reintroduction into the wild as part of a rehabilitation program, 9 were analyzed both while in captivity or semi-captivity and after reintroduction, 20 were sampled only in captivity or semi-captivity, and 5 were free-living manatees. Serological tests were used to screen for antibodies against smooth Brucella spp. Whole blood, swabs, and tissue samples were screened for Brucella spp. DNA by PCR. Samples with positive PCR results were cultured for Brucella spp. isolation. All manatees yielded negative results in serological and molecular tests. Brucella spp. DNA was detected in the kidney of one adult Guiana dolphin Sotalia guianensis exhibiting necrosis in the liver. No growth of Brucella spp. was observed via microbiological culturing. This study is the first report of Brucella spp. DNA detection in cetaceans in the state of Pernambuco, and it highlights the importance of conducting systematic monitoring for the presence of Brucella infection in marine mammals along the Brazilian coast, especially in the northeast region, where several cases have been reported.
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Affiliation(s)
- Gláucia Pereira de Sousa
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Pirassununga, São Paulo, 13635-900, Brazil
- Centro Nacional de Pesquisa e Conservação de Mamíferos Aquáticos, Instituto Chico Mendes de Conservação da Biodiversidade, Santos, São Paulo, 11050-031, Brazil
| | - Rodrigo Martins Soares
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Pirassununga, São Paulo, 13635-900, Brazil
| | - João Carlos Gomes Borges
- Fundação Mamíferos Aquáticos, Recife, Pernambuco, 52051-305, Brazil
- Programa de Pós-Graduação em Ecologia e Monitoramento Ambiental, Universidade Federal da Paraíba, Rio Tinto, Paraíba, 58297-000, Brazil
| | - Ana Paula Domingos Brito
- Centro Nacional de Pesquisa e Conservação da Biodiversidade Marinha do Nordeste, Instituto Chico Mendes de Conservação da Biodiversidade, Ilha de Itamaracá, Pernambuco, 53900-000, Brazil
| | - Daniella Carvalho Ribeiro Oliveira
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Pirassununga, São Paulo, 13635-900, Brazil
| | - Thalita Faita
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Pirassununga, São Paulo, 13635-900, Brazil
| | - Fernanda Loffler Niemeyer Attademo
- Projeto Cetáceos da Costa Branca, Universidade do Estado do Rio Grande do Norte, Natal, Rio Grande do Norte, 59080-590, Brazil
- Centro Nacional de Pesquisa e Conservação de Mamíferos Aquáticos, Instituto Chico Mendes de Conservação da Biodiversidade, Ilha de Itamaracá, Pernambuco, 53900-000, Brazil
| | - Fábia de Oliveira Luna
- Centro Nacional de Pesquisa e Conservação de Mamíferos Aquáticos, Instituto Chico Mendes de Conservação da Biodiversidade, Santos, São Paulo, 11050-031, Brazil
| | - Radan Elvis Matias de Oliveira
- Projeto Cetáceos da Costa Branca, Universidade do Estado do Rio Grande do Norte, Natal, Rio Grande do Norte, 59080-590, Brazil
- Programa de Pós-Graduação em Ciência Animal, Universidade Federal Rural do Semi-Árido, Mossoró, Rio Grande do Norte, 59625-900, Brazil
| | - Carlos Iberê Alves Freitas
- Departamento de Ciências da Saúde, Universidade Federal Rural do Semi-Árido, Mossoró, Rio Grande do Norte, 59625-900, Brazil
| | | | - Lara Borges Keid
- Departamento de Medicina Veterinária, Faculdade de Zootecnia e Engenharia de Alimentos, Universidade de São Paulo, Pirassununga, São Paulo, 13635-900, Brazil
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Brucella sp. sequence-type 27 associated with abortion in dwarf sperm whale Kogia sima. EUR J WILDLIFE RES 2021. [DOI: 10.1007/s10344-021-01502-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
AbstractA dwarf sperm whale Kogia sima stranded alive along the Central Pacific Coast of Costa Rica. The whale, handled by tourists and local inhabitants, was weak, had buoyancy difficulties, and eventually aborted and died, showing severe necrotizing placentitis and other pathological signs. Both the mother and the fetus had antibodies against Brucella lipopolysaccharide. Brucella organisms were isolated from various tissues of both animals and were characterized. The bacterium genome corresponded to sequence-type 27 (ST27) and clustered together with other Brucella ST27 isolated in humans and cetaceans.
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Canine brucellosis in Costa Rica reveals widespread Brucella canis infection and the recent introduction of foreign strains. Vet Microbiol 2021; 257:109072. [PMID: 33965789 DOI: 10.1016/j.vetmic.2021.109072] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Accepted: 04/13/2021] [Indexed: 01/31/2023]
Abstract
Brucellosis is a prevalent disease in Costa Rica (CR), with an increasing number of human infections. Close to half of homes in CR have one or more dogs, corresponding to ∼1.4 million canines, most of them in the Central Valley within or near the cities of San José, Heredia, and Alajuela. From 302 dog sera collected from this region, 19 were positive for Brucella canis antigens, and five had antibodies against smooth lipopolysaccharide, suggesting infections by both B. canis and other Brucella species. B. canis strains were isolated in the Central Valley from 26 kennel dogs and three pet dogs, all displaying clinical signs of canine brucellosis. We detected three recent introductions of different B. canis strains in kennels: two traced from Mexico and one from Panama. Multiple locus-variable number tandem repeats (MLVA-16) and whole-genome sequencing (WGSA) analyses showed that B. canis CR strains comprise three main lineages. The tree topologies obtained by WGSA and MLVA-16 just partially agreed, indicating that the latter analysis is not suitable for phylogenetic studies. The fatty acid methyl ester analysis resolved five different B. canis groups, showing less resolution power than the MLVA-16 and WGSA. Lactobacillic acid was absent in linages I and II but present in linage III, supporting the recent introductions of B. canis strains from Mexico. B. canis displaying putative functional cyclopropane synthase for the synthesis of lactobacillic acid are phylogenetically intertwined with B. canis with non-functional protein, indicating that mutations have occurred independently in the various lineages.
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Garofolo G, Petrella A, Lucifora G, Di Francesco G, Di Guardo G, Pautasso A, Iulini B, Varello K, Giorda F, Goria M, Dondo A, Zoppi S, Di Francesco CE, Giglio S, Ferringo F, Serrecchia L, Ferrantino MAR, Zilli K, Janowicz A, Tittarelli M, Mignone W, Casalone C, Grattarola C. Occurrence of Brucella ceti in striped dolphins from Italian Seas. PLoS One 2020; 15:e0240178. [PMID: 33007030 PMCID: PMC7531818 DOI: 10.1371/journal.pone.0240178] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 09/21/2020] [Indexed: 01/15/2023] Open
Abstract
Brucella ceti infections have been increasingly reported in cetaceans, although a very limited characterization of Mediterranean Brucella spp. isolates has been previously reported and relatively few data exist about brucellosis among cetaceans in Italy. To address this gap, we studied 8 cases of B. ceti infection in striped dolphins (Stenella coeruleoalba) stranded along the Italian coastline from 2012 to 2018, investigated thanks to the Italian surveillance activity on stranded cetaceans. We focused on cases of stranding in eastern and western Italian seas, occurred along the Apulia (N = 6), Liguria (N = 1) and Calabria (N = 1) coastlines, through the analysis of gross and microscopic findings, the results of microbiological, biomolecular and serological investigations, as well as the detection of other relevant pathogens. The comparative genomic analysis used whole genome sequences of B. ceti from Italy paired with the publicly available complete genomes. Pathological changes consistent with B. ceti infection were detected in the central nervous system of 7 animals, showing non-suppurative meningoencephalitis. In 4 cases severe coinfections were detected, mostly involving Dolphin Morbillivirus (DMV). The severity of B. ceti-associated lesions supports the role of this microbial agent as a primary neurotropic pathogen for striped dolphins. We classified the 8 isolates into the common sequence type 26 (ST-26). Whole genome SNP analysis showed that the strains from Italy clustered into two genetically distinct clades. The first clade comprised exclusively the isolates from Ionian and Adriatic Seas, while the second one included the strain from the Ligurian Sea and those from the Catalonian coast. Plotting these clades onto the geographic map suggests a link between their phylogeny and topographical distribution. These results represent the first extensive characterization of B. ceti isolated from Italian waters reported to date and show the usefulness of WGS for understanding of the evolution of this emerging pathogen.
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Affiliation(s)
- Giuliano Garofolo
- National and OIE Reference Laboratory for Brucellosis, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise, Teramo, Italy
| | - Antonio Petrella
- Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, Foggia, Italy
| | - Giuseppe Lucifora
- Istituto Zooprofilattico Sperimentale del Mezzogiorno, Vibo Valentia, Italy
| | - Gabriella Di Francesco
- National and OIE Reference Laboratory for Brucellosis, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise, Teramo, Italy
| | | | | | - Barbara Iulini
- OIE Collaborating Centre Health of Marine Mammals, Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy
| | - Katia Varello
- OIE Collaborating Centre Health of Marine Mammals, Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy
| | - Federica Giorda
- OIE Collaborating Centre Health of Marine Mammals, Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy
- Institute for Animal Health and Food Safety (IUSA), Faculty of Veterinary Medicine, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Canary Islands, Spain
| | - Maria Goria
- OIE Collaborating Centre Health of Marine Mammals, Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy
| | - Alessandro Dondo
- OIE Collaborating Centre Health of Marine Mammals, Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy
| | - Simona Zoppi
- OIE Collaborating Centre Health of Marine Mammals, Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy
| | | | - Stefania Giglio
- M.A.R.E. Calabria Association, Montepaone (Catanzaro), Italy
| | - Furio Ferringo
- Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, Foggia, Italy
| | - Luigina Serrecchia
- Istituto Zooprofilattico Sperimentale della Puglia e della Basilicata, Foggia, Italy
| | | | - Katiuscia Zilli
- National and OIE Reference Laboratory for Brucellosis, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise, Teramo, Italy
| | - Anna Janowicz
- National and OIE Reference Laboratory for Brucellosis, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise, Teramo, Italy
| | - Manuela Tittarelli
- National and OIE Reference Laboratory for Brucellosis, Istituto Zooprofilattico Sperimentale dell’Abruzzo e del Molise, Teramo, Italy
| | - Walter Mignone
- OIE Collaborating Centre Health of Marine Mammals, Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy
| | - Cristina Casalone
- OIE Collaborating Centre Health of Marine Mammals, Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy
| | - Carla Grattarola
- OIE Collaborating Centre Health of Marine Mammals, Istituto Zooprofilattico Sperimentale del Piemonte, Liguria e Valle d’Aosta, Torino, Italy
- * E-mail:
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8
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Sierra E, Fernández A, Felipe-Jiménez I, Zucca D, Di Francesco G, Díaz-Delgado J, Sacchini S, Rivero MA, Arbelo M. Neurobrucellosis in a common bottlenose dolphin (Tursiops truncatus) stranded in the Canary Islands. BMC Vet Res 2019; 15:353. [PMID: 31638986 PMCID: PMC6805616 DOI: 10.1186/s12917-019-2089-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2018] [Accepted: 09/12/2019] [Indexed: 11/15/2022] Open
Abstract
Background Brucella spp. isolation is increasingly reported in cetaceans, although associated pathologies, including lesions of the musculoskeletal and nervous systems, are less frequently described. Concerning the nervous system, Brucella sp. infection causing meningitis, meningoencephalitis or meningoencephalomyelitis have been extensively reported in striped dolphins (Stenella coeruleoalba), and less frequently in other cetacean species. Case presentation A juvenile female common bottlenose dolphin (Tursiops truncatus) was found stranded alive in Lanzarote (Canary Islands, Spain) in 2005, but died shortly after. On physical examination, the dolphin showed a moderate body condition and was classified as code 2 (fresh dead) at the time of necropsy. The main gross findings were severe multiorgan parasitism, thickened and congested leptomeninges, and (sero)fibrino-suppurative and proliferative arthritis of the shoulder joint. Histopathological examination revealed the distinct features of a sub-acute systemic disease associated with Cetacean Morbillivirus (CeMV) infection. However, brain lesions diverged from those reported in systemic CeMV infection. This led to suspect that there was a coinfecting pathogen, based on the characteristics of the inflammatory response and the lesion distribution pattern in the central nervous system. Brucella sp. was detected in the brain tissue by PCR and Brucella antigen was demonstrated by immunohistochemistry in the brain and shoulder joint lesions. Conclusions The zoonotic potential of marine mammal strains of Brucella has been demonstrated both in natural and laboratory conditions. In this study, PCR detected Brucella sp. in the brain of a common bottlenose dolphin stranded in the Canary Islands; the dolphin was also co-infected with CeMV. This is the first detection of Brucella sp. infection in a stranded cetacean in this archipelago. Therefore, we stress the importance of taking adequate measures during the handling of these species to prevent the transmissions of the infection to humans.
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Affiliation(s)
- Eva Sierra
- Division of Histology and Animal Pathology, Institute for Animal Health and Food Security (IUSA), Veterinary School, Universidad de Las Palmas de Gran Canaria, 35416, Arucas, Gran Canaria, Canary Islands, Spain
| | - Antonio Fernández
- Division of Histology and Animal Pathology, Institute for Animal Health and Food Security (IUSA), Veterinary School, Universidad de Las Palmas de Gran Canaria, 35416, Arucas, Gran Canaria, Canary Islands, Spain.
| | - Idaira Felipe-Jiménez
- Division of Histology and Animal Pathology, Institute for Animal Health and Food Security (IUSA), Veterinary School, Universidad de Las Palmas de Gran Canaria, 35416, Arucas, Gran Canaria, Canary Islands, Spain
| | - Daniele Zucca
- Division of Histology and Animal Pathology, Institute for Animal Health and Food Security (IUSA), Veterinary School, Universidad de Las Palmas de Gran Canaria, 35416, Arucas, Gran Canaria, Canary Islands, Spain
| | - Gabriella Di Francesco
- National and international Reference Laboratory for Brucellosis, Istituto Zooprofilattico Sperimentale Abruzzo e Molise, Teramo, Italy
| | - Josué Díaz-Delgado
- Division of Histology and Animal Pathology, Institute for Animal Health and Food Security (IUSA), Veterinary School, Universidad de Las Palmas de Gran Canaria, 35416, Arucas, Gran Canaria, Canary Islands, Spain.,Laboratory of Wildlife Comparative Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP, Brazil.,Texas A&M Veterinary Medical Diagnostic Laboratory (TVMDL), College Station, TX, USA
| | - Simona Sacchini
- Division of Histology and Animal Pathology, Institute for Animal Health and Food Security (IUSA), Veterinary School, Universidad de Las Palmas de Gran Canaria, 35416, Arucas, Gran Canaria, Canary Islands, Spain
| | - Miguel A Rivero
- Division of Histology and Animal Pathology, Institute for Animal Health and Food Security (IUSA), Veterinary School, Universidad de Las Palmas de Gran Canaria, 35416, Arucas, Gran Canaria, Canary Islands, Spain
| | - Manuel Arbelo
- Division of Histology and Animal Pathology, Institute for Animal Health and Food Security (IUSA), Veterinary School, Universidad de Las Palmas de Gran Canaria, 35416, Arucas, Gran Canaria, Canary Islands, Spain
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9
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Sánchez-Sarmiento AM, Carvalho VL, Díaz-Delgado J, Ressio RA, Fernandes NCCA, Guerra JM, Sacristán C, Groch KR, Silvestre-Perez N, Ferreira-Machado E, Costa-Silva S, Navas-Suárez P, Meirelles ACO, Favero C, Marigo J, Bertozzi CP, Colosio AC, Marcondes MCC, Cremer MJ, Dos Santos Silva N, Ferreira Neto JS, Keid LB, Soares R, Sierra E, Fernández A, Catão-Dias JL. Molecular, serological, pathological, immunohistochemical and microbiological investigation of Brucella spp. in marine mammals of Brazil reveals new cetacean hosts. Transbound Emerg Dis 2019; 66:1674-1692. [PMID: 30980699 DOI: 10.1111/tbed.13203] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2018] [Revised: 03/19/2019] [Accepted: 03/25/2019] [Indexed: 12/19/2022]
Abstract
Brucella-exposure and infection is increasingly recognized in marine mammals worldwide. To better understand the epidemiology and health impacts of Brucella spp. in marine mammals of Brazil, molecular (conventional PCR and/or real-time PCR), serological (Rose Bengal Test [RBT], Competitive [c]ELISA, Serum Agglutination Test [SAT]), pathological, immunohistochemical (IHC) and/or microbiological investigations were conducted in samples of 129 stranded or by-caught marine mammals (orders Cetartiodactyla [n = 124], Carnivora [n = 4] and Sirenia [n = 1]). Previous serological tests performed on available sera of 27 of the 129 animals (26 cetaceans and one manatee), indicated 10 seropositive cetaceans. Conventional PCR and/or real-time PCR performed in cases with available organs (n = 119) and/or blood or swabs (n = 10) revealed 4/129 (3.1%) Brucella-infected cetaceans (one of them with positive serology; the remaining three with no available sera). Pathological, IHC and/or microbiological analyses conducted in PCR/real-time PCR and/or seropositive cases (n = 13) revealed Brucella-type lesions, including meningitis/meningoencephalitis, pneumonia, necrotizing hepatitis, pericarditis and osteoarthritis in some of those animals, and positive IHC was found in all of them (excepting two live-stranded animals without available organs). Brucella spp. culture attempts were unsuccessful. Our results demonstrated exposure, asymptomatic, acute and chronic Brucella sp. infection in several cetacean species in the Brazilian coast, highlighting the role of this pathogen in stranding and/or death, particularly in Clymene dolphin (Stenella clymene) and short-finned pilot whale (Globicephala macrorhynchus) off Ceará State. Novel hosts susceptible to Brucella included the franciscana (Pontoporia blainvillei), the Guiana dolphin (Sotalia guianensis) and the spinner dolphin (Stenella longirostris). Additionally, three coinfection cases involving Brucella spp. and cetacean morbillivirus, Edwarsiella tarda and Proteus mirabilis were detected. To the best of our knowledge, this is the first long-term and large-scale survey of Brucella spp. in marine mammals of South America, widening the spectrum of susceptible hosts and geographical distribution range of this agent with zoonotic potential.
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Affiliation(s)
- Angélica M Sánchez-Sarmiento
- Laboratory of Wildlife Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Vitor L Carvalho
- Associação de Pesquisa e Preservação de Ecossistemas Aquáticos-AQUASIS, Caucaia, Brazil
| | - Josué Díaz-Delgado
- Laboratory of Wildlife Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | | | | | | | - Carlos Sacristán
- Laboratory of Wildlife Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Kátia R Groch
- Laboratory of Wildlife Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Natalia Silvestre-Perez
- Laboratory of Wildlife Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Eduardo Ferreira-Machado
- Laboratory of Wildlife Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Samira Costa-Silva
- Laboratory of Wildlife Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Pedro Navas-Suárez
- Laboratory of Wildlife Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Ana C O Meirelles
- Associação de Pesquisa e Preservação de Ecossistemas Aquáticos-AQUASIS, Caucaia, Brazil
| | - Cintia Favero
- Laboratory of Wildlife Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Juliana Marigo
- Laboratory of Wildlife Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Carolina P Bertozzi
- Instituto de Biociências, campus do Litoral Paulista, IB/CLP - Universidade Estadual Paulista - UNESP, São Vicente, Brazil
| | | | | | - Marta J Cremer
- Laboratório de Ecologia e Conservação de Tetrápodes Marinhos e Costeiros, University of the Region of Joinville, São Francisco do Sul, Brazil
| | - Nairléia Dos Santos Silva
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and animal Science, University of São Paulo, São Paulo, Brazil
| | - Jose Soares Ferreira Neto
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and animal Science, University of São Paulo, São Paulo, Brazil
| | - Lara B Keid
- Department of Veterinary Medicine, Faculty of Animal Science and Food Engineering, University of São Paulo, Pirassununga, Brazil
| | - Rodrigo Soares
- Department of Preventive Veterinary Medicine and Animal Health, School of Veterinary Medicine and animal Science, University of São Paulo, São Paulo, Brazil
| | - Eva Sierra
- Institute for Animal Health and Food Hygiene, School of Veterinary Medicine, University of Las Palmas of Gran Canaria, Arucas, Gran Canaria, Spain
| | - Antonio Fernández
- Institute for Animal Health and Food Hygiene, School of Veterinary Medicine, University of Las Palmas of Gran Canaria, Arucas, Gran Canaria, Spain
| | - José L Catão-Dias
- Laboratory of Wildlife Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
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10
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Sánchez-Sarmiento AM, Carvalho VL, Meirelles ACO, Gravena W, Marigo J, Sacristán C, Costa-Silva S, Groch KR, Silva ND, Ferreira Neto JS, Catão-Dias JL. Survey of Brucella spp. and Leptospira spp. antibodies in cetaceans and manatees of the Amazon basin and Atlantic Ocean, Brazil. DISEASES OF AQUATIC ORGANISMS 2018; 132:1-11. [PMID: 30530926 DOI: 10.3354/dao03312] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Aquatic mammals can act as sentinels of emerging and resurging pathogens in the environment. Brucella spp. and Leptospira spp. are 2 zoonotic pathogens relevant to aquatic mammals, and their detection can be used to assess pathogen exposure. In this study, serum from 84 individuals-63 cetaceans (families Iniidae, n = 37; Delphinidae, n = 22; and Kogiidae, n = 4) and 21 West Indian manatees Trichechus manatus-was tested by the Rose Bengal Test (RBT) and a commercial competitive enzyme-linked immunosorbent assay (c-ELISA) for detecting Brucella spp. antibodies, and the microscopic agglutination test (MAT) for screening Leptospira spp. exposure. Overall, 4.8% (3/63) of cetaceans were positive by RBT and 15.9% (10/63) by c-ELISA for Brucella spp. Serum from 8 c-ELISA positive cetaceans (with available serum) was further tested via serum agglutination test (SAT) and 1 individual was positive. c-ELISA was more sensitive than RBT. Exposure to Brucella spp. was found in 5 cetacean species: Clymene dolphin Stenella clymene, short-finned pilot whale Globicephala macrorhynchus, pygmy killer whale Feresa attenuata, melon-headed whale Peponocephala electra and Atlantic bottlenose dolphin Tursiops truncatus in the Atlantic Ocean, Brazil, expanding the range of known Brucella seropositive aquatic hosts. No evidence of Brucella spp. exposure was found in Iniidae and Kogiidae odontocetes and manatees. Antibodies against Leptospira spp. were not detected in cetaceans and sirenians by MAT. These results contribute to the evaluation of different Brucella spp. serological methods in cetaceans and manatees and highlight the epidemiology of zoonotic pathogens in aquatic mammals of the southwestern Atlantic Ocean and the Amazon basin.
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Affiliation(s)
- Angélica M Sánchez-Sarmiento
- Laboratório de Patologia Comparada de Animais Selvagens, Departamento de Patologia, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, Avenida Professor Dr. Orlando Marques de Paiva 87, 05508-270 São Paulo, SP, Brazil
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11
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Brucellosis in mammals of Costa Rica: An epidemiological survey. PLoS One 2017; 12:e0182644. [PMID: 28793352 PMCID: PMC5549988 DOI: 10.1371/journal.pone.0182644] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2017] [Accepted: 07/21/2017] [Indexed: 11/23/2022] Open
Abstract
Brucellosis has been an endemic disease of cattle and humans in Costa Rica since the beginning of XX century. However, brucellosis in sheep, goats, pigs, water buffaloes, horses and cetaceans, has not been reported in the country. We have performed a brucellosis survey in these host mammal species, from 1999–2016. In addition, we have documented the number of human brucellosis reported cases, from 2003–2016. The brucellosis seroprevalence in goat and sheep herds was 0.98% and 0.7% respectively, with no Brucella isolation. Antibodies against Brucella were not detected in feral or domestic pigs. Likewise, brucellosis seroprevalence in horse and water buffalo farms was estimated in 6.5% and 21.7%, respectively, with no Brucella isolation. Six cetacean species showed positive reactions against Brucella antigens, and B. ceti was isolated in 70% (n = 29) of striped dolphins (Stenella coeruleoalba). A steady increase in the diagnosis of human brucellosis cases was observed. Taking into account the prevalence of brucellosis in the various host mammals of Costa Rica, different measures are recommended.
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12
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Nymo IH, Godfroid J, Åsbakk K, Larsen AK, das Neves CG, Rødven R, Tryland M. A protein A/G indirect enzyme-linked immunosorbent assay for the detection of anti-Brucella antibodies in Arctic wildlife. J Vet Diagn Invest 2013; 25:369-75. [PMID: 23572454 DOI: 10.1177/1040638713485073] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A species-independent indirect enzyme-linked immunosorbent assay (iELISA) based on chimeric protein A/G was established for the detection of anti-Brucella antibodies in Arctic wildlife species and compared to previously established brucellosis serological tests for hooded seals (Cystophora cristata), minke whales (Balaenoptera acutorostrata), sei whales (Balaenoptera borealis), fin whales (Balaenoptera physalus), and polar bears (Ursus maritimus), as well as bacteriology results for reindeer and caribou (Rangifer tarandus sp.). The protein A/G iELISA results were consistent with the other serological tests with Cohen kappa values between 0.47 and 0.92, and the protein A/G iELISA can thus offer a technically simple method for these species yielding results consistent with established brucellosis serological tests. Receiver operator characteristics analysis proved that the reindeer and caribou protein A/G iELISA results were consistent with the bacteriological gold standard with an area under the curve of 0.99, and the protein A/G iELISA was thus validated as a sensitive and specific serological method for the detection of anti-Brucella antibodies in reindeer and caribou. The binding of the antibodies from the respective species to protein A and G were also evaluated in the iELISA. The antibodies from hooded seals and polar bears reacted stronger to protein A than to G. The sei whale, fin whale, reindeer, and caribou antibodies reacted stronger to protein G than to A. The minke whale antibodies reacted to both protein A and G. There was a strong correlation (r s = 0.88-0.98) between the optical density results obtained with the iELISA with protein A/G and protein A or G, showing that protein A/G is as well suited as protein A or G for the detection of anti-Brucella antibodies in these species with the iELISA.
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Affiliation(s)
- Ingebjørg H Nymo
- Section for Arctic Veterinary Medicine, The Norwegian School of Veterinary Science, Stakkevollveien 23, N-9010 Tromsø, Norway.
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13
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Guzmán-Verri C, González-Barrientos R, Hernández-Mora G, Morales JA, Baquero-Calvo E, Chaves-Olarte E, Moreno E. Brucella ceti and brucellosis in cetaceans. Front Cell Infect Microbiol 2012; 2:3. [PMID: 22919595 PMCID: PMC3417395 DOI: 10.3389/fcimb.2012.00003] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2011] [Accepted: 01/12/2012] [Indexed: 01/18/2023] Open
Abstract
Since the first case of brucellosis detected in a dolphin aborted fetus, an increasing number of Brucella ceti isolates has been reported in members of the two suborders of cetaceans: Mysticeti and Odontoceti. Serological surveys have shown that cetacean brucellosis may be distributed worldwide in the oceans. Although all B. ceti isolates have been included within the same species, three different groups have been recognized according to their preferred host, bacteriological properties, and distinct genetic traits: B. ceti dolphin type, B. ceti porpoise type, and B. ceti human type. It seems that B. ceti porpoise type is more closely related to B. ceti human isolates and B. pinnipedialis group, while B. ceti dolphin type seems ancestral to them. Based on comparative phylogenetic analysis, it is feasible that the B. ceti ancestor radiated in a terrestrial artiodactyl host close to the Raoellidae family about 58 million years ago. The more likely mode of transmission of B. ceti seems to be through sexual intercourse, maternal feeding, aborted fetuses, placental tissues, vertical transmission from mother to the fetus or through fish or helminth reservoirs. The B. ceti dolphin and porpoise types seem to display variable virulence in land animal models and low infectivity for humans. However, brucellosis in some dolphins and porpoises has been demonstrated to be a severe chronic disease, displaying significant clinical and pathological signs related to abortions, male infertility, neurobrucellosis, cardiopathies, bone and skin lesions, strandings, and death.
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Affiliation(s)
- Caterina Guzmán-Verri
- Programa de Investigación en Enfermedades Tropicales, Escuela de Medicina Veterinaria, Universidad NacionalHeredia, Costa Rica
| | | | | | - Juan-Alberto Morales
- Cátedra de Patología, Escuela de Medicina Veterinaria, Universidad NacionalHeredia, Costa Rica
| | - Elías Baquero-Calvo
- Programa de Investigación en Enfermedades Tropicales, Escuela de Medicina Veterinaria, Universidad NacionalHeredia, Costa Rica
| | - Esteban Chaves-Olarte
- Programa de Investigación en Enfermedades Tropicales, Escuela de Medicina Veterinaria, Universidad NacionalHeredia, Costa Rica
- Facultad de Microbiología, Centro de Investigación en Enfermedades Tropicales, Universidad de Costa RicaSan José, Costa Rica
| | - Edgardo Moreno
- Programa de Investigación en Enfermedades Tropicales, Escuela de Medicina Veterinaria, Universidad NacionalHeredia, Costa Rica
- Instituto Clodomiro Picado, Universidad de Costa RicaSan José, Costa Rica
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14
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Davison NJ, Perrett LL, Law RJ, Dawson CE, Stubberfield EJ, Monies RJ, Deaville R, Jepson PD. Infection with Brucella ceti and high levels of polychlorinated biphenyls in bottlenose dolphins (Tursiops truncatus) stranded in south-west England. Vet Rec 2011; 169:14. [PMID: 21676987 DOI: 10.1136/vr.d2714] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Eight bottlenose dolphins (Tursiops truncatus) that stranded in Cornwall, south-west England, between June 2004 and December 2007 were examined using standardised postmortem examination and bacteriological methods. Evidence of Brucella species infection was found in four of these dolphins on culture. In addition, of the eight dolphins, four were positive and two were weakly positive for antibodies to Brucella species on serological analyses of pericardial and other fluids using a competitive ELISA and two indirect ELISAs. High or very high levels of the sum of 25 individual chlorobiphenyl congeners (∑25CBs) were also determined in blubber samples from two of the dolphins (45.5 and 446.6 mg/kg lipid weight).
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Affiliation(s)
- N J Davison
- Animal Health and Veterinary Laboratories Agency (AHVLA) - Polwhele, Truro, Cornwall TR4 9AD.
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15
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Kumar M, Chand P. Improvement in the diagnosis of Brucella abortus infections in naturally infected water buffaloes (Bubalus bubalis) using an ELISA with a Protein-G-based indicator system. Trop Anim Health Prod 2011; 43:1493-9. [PMID: 21442153 DOI: 10.1007/s11250-011-9831-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/17/2011] [Indexed: 11/26/2022]
Abstract
Brucellosis caused by Brucella abortus in domestic water buffaloes (Bubalus bubalis) raised under the traditional system of husbandry in northern India was diagnosed using an enzyme-linked immunosorbent assays (ELISA) with a Protein-G-based indicator system (Protein-G ELISA). A total of 1,551 animals that are positive (N = 61), negative (N = 243), and suspected (N = 1,247) for brucellosis were examined. Rose bengal test (RBT) was used to predict the disease, and accordingly, animals were dichotomized in positive and negative population for receiver operating characteristic (ROC) curve analysis to determine the sensitivity, the specificity, and the performance index of Protein-G ELISA. Taking all animals (N = 1551) into account, the ROC curve analysis revealed cut off value of 29.6% positivity (%P) with 98.40% and 94.94%, sensitivity and specificity, respectively. The results were compared with ELISA in which anti-bovine conjugate was used. The cut off in ELISA was 37.9%P and sensitivity and specificity were 96.26% and 97.07%, respectively. The performance indexes of both the assays were almost equal and were 193.34 for Protein-G ELISA and 193.33 for ELISA. The cut off values of both the tests changed, if only known positive (N = 61) and known negative (N = 243) animals were used for ROC curve analysis, and accordingly, changes in sensitivity and specificity were observed with significant decrease of performance indexes of both the tests. The high optical density (P < 0.0001) background signal with negative serum control and high %P (P < 0.0001) in sera from negative population were noticed in ELISA in comparison to Protein-G ELISA.
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Affiliation(s)
- Manish Kumar
- College Central Laboratory, College of Veterinary Sciences, Chaudhary Charan Singh Haryana Agricultural University, Hisar 125004, India
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16
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Meegan J, Field C, Sidor I, Romano T, Casinghino S, Smith CR, Kashinsky L, Fair PA, Bossart G, Wells R, Dunn JL. Development, validation, and utilization of a competitive enzyme-linked immunosorbent assay for the detection of antibodies against Brucella species in marine mammals. J Vet Diagn Invest 2011; 22:856-62. [PMID: 21088168 DOI: 10.1177/104063871002200603] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
A competitive enzyme-linked immunosorbent assay (cELISA) was developed by using a whole-cell antigen from a marine Brucella sp. isolated from a harbor seal (Phoca vitulina). The assay was designed to screen sera from multiple marine mammal species for the presence of antibodies against marine-origin Brucella. Based on comparisons with culture-confirmed cases, specificity and sensitivity for cetacean samples tested were 73% and 100%, respectively. For pinniped samples, specificity and sensitivity values were 77% and 67%, respectively. Hawaiian monk seal (Monachus schauinslandi; n = 28) and bottlenose dolphin (Tursiops truncatus; n = 48) serum samples were tested, and the results were compared with several other assays designed to detect Brucella abortus antibodies. The comparison testing revealed the marine-origin cELISA to be more sensitive than the B. abortus tests by the detection of additional positive serum samples. The newly developed cELISA is an effective serologic method for detection of the presence of antibodies against marine-origin Brucella sp. in marine mammals.
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Affiliation(s)
- Jenny Meegan
- Aquatic Animal Health Department, College of Veterinary Medicine, University of Florida, Gainesville, FL 32610-0136, USA.
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17
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Pathology of Striped Dolphins (Stenella coeruleoalba) Infected with Brucella ceti. J Comp Pathol 2010; 142:347-52. [DOI: 10.1016/j.jcpa.2009.10.017] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2009] [Revised: 07/31/2009] [Accepted: 10/14/2009] [Indexed: 11/20/2022]
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