Tuberculosis in wild South American sea lions Otaria flavescens stranded in Chubut, Argentina
- Autores
- Fiorito, Carla Daniela; Marfil, Maria Jimena; Falzoni, Elvira María; Martínez Vivot, Marcela; Zumárraga, Martín José; Lombardo, Daniel; Barandiaran, Soledad
- Año de publicación
- 2020
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- Pinniped tuberculosis, commonly caused by Mycobacterium pinnipedii, is a zoonotic disease reported in free-living and captive otariid species of the southern hemisphere. Currently, data concerning pinniped tuberculosis in South America are scarce, reinforcing the need for further studies of the disease in free-ranging pinnipeds. In this study, we investigated the presence of tuberculosis in South American sea lions Otaria flavescens (SASLs) stranded along the Chubut coastline (Argentina). Necropsies were performed in 9 SASLs, and tissue samples were collected for histopathology, bacteriology, and molecular diagnosis. Four SASLs showed enlarged tracheobronchial lymph nodes (TBLNs) with multifocal to coalescing granulomas. In these animals, a direct IS6110-PCR amplification confirmed the presence of a Mycobacterium tuberculosis complex member in TBLNs (n = 4) and lungs (n = 2), but the agent could not be further identified. In one SASL, Mycobacterium murale was isolated from lungs without lesions. This study confirms the presence of tuberculosis in SASLs from Chubut, where tourist activities promote close interaction with the animals, generating a potential risk to human health. Further research is currently focusing on addressing the prevalence of tuberculosis in wild SASLs, to assess the risk for public health and develop management strategies to avoid human infection.
Fil: Fiorito, Carla Daniela. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Instituto de Investigación y Tecnología en Reproducción Animal; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
Fil: Marfil, Maria Jimena. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Falzoni, Elvira María. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina
Fil: Martínez Vivot, Marcela. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina
Fil: Zumárraga, Martín José. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Agrobiotecnología y Biología Molecular. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Agrobiotecnología y Biología Molecular; Argentina
Fil: Lombardo, Daniel. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Instituto de Investigación y Tecnología en Reproducción Animal; Argentina
Fil: Barandiaran, Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina - Materia
-
MYCOBACTERIUM TUBERCULOSIS COMPLEX
PINNIPEDS
PUBLIC HEALTH
TUBERCULOSIS
ZOONOSIS - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/142221
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Tuberculosis in wild South American sea lions Otaria flavescens stranded in Chubut, ArgentinaFiorito, Carla DanielaMarfil, Maria JimenaFalzoni, Elvira MaríaMartínez Vivot, MarcelaZumárraga, Martín JoséLombardo, DanielBarandiaran, SoledadMYCOBACTERIUM TUBERCULOSIS COMPLEXPINNIPEDSPUBLIC HEALTHTUBERCULOSISZOONOSIShttps://purl.org/becyt/ford/4.3https://purl.org/becyt/ford/4Pinniped tuberculosis, commonly caused by Mycobacterium pinnipedii, is a zoonotic disease reported in free-living and captive otariid species of the southern hemisphere. Currently, data concerning pinniped tuberculosis in South America are scarce, reinforcing the need for further studies of the disease in free-ranging pinnipeds. In this study, we investigated the presence of tuberculosis in South American sea lions Otaria flavescens (SASLs) stranded along the Chubut coastline (Argentina). Necropsies were performed in 9 SASLs, and tissue samples were collected for histopathology, bacteriology, and molecular diagnosis. Four SASLs showed enlarged tracheobronchial lymph nodes (TBLNs) with multifocal to coalescing granulomas. In these animals, a direct IS6110-PCR amplification confirmed the presence of a Mycobacterium tuberculosis complex member in TBLNs (n = 4) and lungs (n = 2), but the agent could not be further identified. In one SASL, Mycobacterium murale was isolated from lungs without lesions. This study confirms the presence of tuberculosis in SASLs from Chubut, where tourist activities promote close interaction with the animals, generating a potential risk to human health. Further research is currently focusing on addressing the prevalence of tuberculosis in wild SASLs, to assess the risk for public health and develop management strategies to avoid human infection.Fil: Fiorito, Carla Daniela. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Instituto de Investigación y Tecnología en Reproducción Animal; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; ArgentinaFil: Marfil, Maria Jimena. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Falzoni, Elvira María. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias; ArgentinaFil: Martínez Vivot, Marcela. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias; ArgentinaFil: Zumárraga, Martín José. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Agrobiotecnología y Biología Molecular. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Agrobiotecnología y Biología Molecular; ArgentinaFil: Lombardo, Daniel. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Instituto de Investigación y Tecnología en Reproducción Animal; ArgentinaFil: Barandiaran, Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias; ArgentinaInter-Research2020-11info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfapplication/pdfapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/142221Fiorito, Carla Daniela; Marfil, Maria Jimena; Falzoni, Elvira María; Martínez Vivot, Marcela; Zumárraga, Martín José; et al.; Tuberculosis in wild South American sea lions Otaria flavescens stranded in Chubut, Argentina; Inter-Research; Diseases Of Aquatic Organisms; 142; 11-2020; 33-400177-5103CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://www.int-res.com/articles/dao2020/142/d142p033.pdfinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:02:23Zoai:ri.conicet.gov.ar:11336/142221instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:02:23.961CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Tuberculosis in wild South American sea lions Otaria flavescens stranded in Chubut, Argentina |
title |
Tuberculosis in wild South American sea lions Otaria flavescens stranded in Chubut, Argentina |
spellingShingle |
Tuberculosis in wild South American sea lions Otaria flavescens stranded in Chubut, Argentina Fiorito, Carla Daniela MYCOBACTERIUM TUBERCULOSIS COMPLEX PINNIPEDS PUBLIC HEALTH TUBERCULOSIS ZOONOSIS |
title_short |
Tuberculosis in wild South American sea lions Otaria flavescens stranded in Chubut, Argentina |
title_full |
Tuberculosis in wild South American sea lions Otaria flavescens stranded in Chubut, Argentina |
title_fullStr |
Tuberculosis in wild South American sea lions Otaria flavescens stranded in Chubut, Argentina |
title_full_unstemmed |
Tuberculosis in wild South American sea lions Otaria flavescens stranded in Chubut, Argentina |
title_sort |
Tuberculosis in wild South American sea lions Otaria flavescens stranded in Chubut, Argentina |
dc.creator.none.fl_str_mv |
Fiorito, Carla Daniela Marfil, Maria Jimena Falzoni, Elvira María Martínez Vivot, Marcela Zumárraga, Martín José Lombardo, Daniel Barandiaran, Soledad |
author |
Fiorito, Carla Daniela |
author_facet |
Fiorito, Carla Daniela Marfil, Maria Jimena Falzoni, Elvira María Martínez Vivot, Marcela Zumárraga, Martín José Lombardo, Daniel Barandiaran, Soledad |
author_role |
author |
author2 |
Marfil, Maria Jimena Falzoni, Elvira María Martínez Vivot, Marcela Zumárraga, Martín José Lombardo, Daniel Barandiaran, Soledad |
author2_role |
author author author author author author |
dc.subject.none.fl_str_mv |
MYCOBACTERIUM TUBERCULOSIS COMPLEX PINNIPEDS PUBLIC HEALTH TUBERCULOSIS ZOONOSIS |
topic |
MYCOBACTERIUM TUBERCULOSIS COMPLEX PINNIPEDS PUBLIC HEALTH TUBERCULOSIS ZOONOSIS |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/4.3 https://purl.org/becyt/ford/4 |
dc.description.none.fl_txt_mv |
Pinniped tuberculosis, commonly caused by Mycobacterium pinnipedii, is a zoonotic disease reported in free-living and captive otariid species of the southern hemisphere. Currently, data concerning pinniped tuberculosis in South America are scarce, reinforcing the need for further studies of the disease in free-ranging pinnipeds. In this study, we investigated the presence of tuberculosis in South American sea lions Otaria flavescens (SASLs) stranded along the Chubut coastline (Argentina). Necropsies were performed in 9 SASLs, and tissue samples were collected for histopathology, bacteriology, and molecular diagnosis. Four SASLs showed enlarged tracheobronchial lymph nodes (TBLNs) with multifocal to coalescing granulomas. In these animals, a direct IS6110-PCR amplification confirmed the presence of a Mycobacterium tuberculosis complex member in TBLNs (n = 4) and lungs (n = 2), but the agent could not be further identified. In one SASL, Mycobacterium murale was isolated from lungs without lesions. This study confirms the presence of tuberculosis in SASLs from Chubut, where tourist activities promote close interaction with the animals, generating a potential risk to human health. Further research is currently focusing on addressing the prevalence of tuberculosis in wild SASLs, to assess the risk for public health and develop management strategies to avoid human infection. Fil: Fiorito, Carla Daniela. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Instituto de Investigación y Tecnología en Reproducción Animal; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina Fil: Marfil, Maria Jimena. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Falzoni, Elvira María. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina Fil: Martínez Vivot, Marcela. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina Fil: Zumárraga, Martín José. Instituto Nacional de Tecnología Agropecuaria. Centro de Investigación en Ciencias Veterinarias y Agronómicas. Instituto de Agrobiotecnología y Biología Molecular. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Parque Centenario. Instituto de Agrobiotecnología y Biología Molecular; Argentina Fil: Lombardo, Daniel. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias. Instituto de Investigación y Tecnología en Reproducción Animal; Argentina Fil: Barandiaran, Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina. Universidad de Buenos Aires. Facultad de Ciencias Veterinarias; Argentina |
description |
Pinniped tuberculosis, commonly caused by Mycobacterium pinnipedii, is a zoonotic disease reported in free-living and captive otariid species of the southern hemisphere. Currently, data concerning pinniped tuberculosis in South America are scarce, reinforcing the need for further studies of the disease in free-ranging pinnipeds. In this study, we investigated the presence of tuberculosis in South American sea lions Otaria flavescens (SASLs) stranded along the Chubut coastline (Argentina). Necropsies were performed in 9 SASLs, and tissue samples were collected for histopathology, bacteriology, and molecular diagnosis. Four SASLs showed enlarged tracheobronchial lymph nodes (TBLNs) with multifocal to coalescing granulomas. In these animals, a direct IS6110-PCR amplification confirmed the presence of a Mycobacterium tuberculosis complex member in TBLNs (n = 4) and lungs (n = 2), but the agent could not be further identified. In one SASL, Mycobacterium murale was isolated from lungs without lesions. This study confirms the presence of tuberculosis in SASLs from Chubut, where tourist activities promote close interaction with the animals, generating a potential risk to human health. Further research is currently focusing on addressing the prevalence of tuberculosis in wild SASLs, to assess the risk for public health and develop management strategies to avoid human infection. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-11 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/142221 Fiorito, Carla Daniela; Marfil, Maria Jimena; Falzoni, Elvira María; Martínez Vivot, Marcela; Zumárraga, Martín José; et al.; Tuberculosis in wild South American sea lions Otaria flavescens stranded in Chubut, Argentina; Inter-Research; Diseases Of Aquatic Organisms; 142; 11-2020; 33-40 0177-5103 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/142221 |
identifier_str_mv |
Fiorito, Carla Daniela; Marfil, Maria Jimena; Falzoni, Elvira María; Martínez Vivot, Marcela; Zumárraga, Martín José; et al.; Tuberculosis in wild South American sea lions Otaria flavescens stranded in Chubut, Argentina; Inter-Research; Diseases Of Aquatic Organisms; 142; 11-2020; 33-40 0177-5103 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/url/https://www.int-res.com/articles/dao2020/142/d142p033.pdf |
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info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
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openAccess |
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https://creativecommons.org/licenses/by-nc-sa/2.5/ar/ |
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application/pdf application/pdf application/pdf application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Inter-Research |
publisher.none.fl_str_mv |
Inter-Research |
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reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) |
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CONICET Digital (CONICET) |
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Consejo Nacional de Investigaciones Científicas y Técnicas |
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CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
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dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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13.070432 |