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Unusual striped dolphin mass mortality episode related to cetacean morbillivirus in the Spanish Mediterranean Sea

Investigation article published in BMC Veterinary Research

May 23rd, 2013

BACKGROUND: In the last 20 years, Cetacean Morbillivirus (CeMV) has been responsible for many die-offs in marine mammals worldwide, as clearly exemplified by the two dolphin morbillivirus (DMV) epizootics of 1990--1992 and 2006--2008, which affected Mediterranean striped dolphins (Stenella coeruleoalba). Between March and April 2011, the number of strandings on the Valencian Community coast (E Spain) increased.CASE PRESENTATION: Necropsy and sample collection were performed in all stranded animals, with good state of conservation. Subsequently, histopathology, immunohistochemistry, conventional reverse transcription polymerase chain reaction (RT-PCR) and Universal Probe Library (UPL) RT-PCR assays were performed to identify Morbillivirus. Gross and microscopic findings compatible with CeMV were found in the majority of analyzed animals. Immunopositivity in the brain and UPL RT-PCR positivity in seven of the nine analyzed animals in at least two tissues confirmed CeMV systemic infection. Phylogenetic analysis, based on sequencing part of the phosphoprotein gene, showed that this isolate is a closely related dolphin morbillivirus (DMV) to that responsible for the 2006--2008 epizootics.CONCLUSION: The combination of gross and histopathologic findings compatible with DMV with immunopositivity and molecular detection of DMV suggests that this DMV strain could cause this die-off event




Rubio-Guerri C., Melero M., Esperon F., Belliere EN., Arbelo M., Crespo JL., Sierra E., Garcia-Parraga D. and Sanchez-Vizcaino JM..




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Unusual striped dolphin mass mortality episode related to cetacean morbillivirus in the Spanish Mediterranean Sea

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Unusual striped dolphin mass mortality episode related to cetacean morbillivirus in the Spanish Mediterranean Sea

Participants:

Universidad ComplutenseServicio de Inmunología Viral y Medicina Preventiva (SUAT). Centro de Vigilancia Sanitaria Veterinaria (VISAVET). Universidad Complutense (UCM).

Ministerio de Ciencia e InnovaciónCentro de Investigación en Sanidad Animal (CISA). Ministerio de Ciencia e Innovación.

Universidad de Las Palmas de Gran CanariaFacultad de Veterinaria. Universidad de Las Palmas de Gran Canaria (ULPGC).

Oceanogràfic. Ciudad de las Artes y las Ciencias.

Universidad ComplutenseDepartamento de Sanidad Animal. Facultad de Veterinaria. Universidad Complutense (UCM).

Instituto Nacional de Investigación y Tecnología Agraria y AlimentariaCentro de Investigación en Sanidad Animal (CISA). Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria (INIA).







BMC Veterinary Research
FACTOR YEAR Q
1.743 2013

NLMID: 101249759

PMID: 23702190

ISSN: 1746-6148



TITLE: Unusual striped dolphin mass mortality episode related to cetacean morbillivirus in the Spanish Mediterranean Sea


JOURNAL: BMC Vet. Res


NUMERACIÓN: 9(1):106


AÑO: 2013


PUBLISHER: BioMed Central


AUTHORS: Rubio-Guerri C., Melero M., Esperon F., Belliere EN., Arbelo M., Crespo JL., Sierra E., Garcia-Parraga D. and Sanchez-Vizcaino JM..


VISAVET PARTICIPANTS


2nd
Mar Melero Asensio
Last
José Manuel Sánchez-Vizcaíno Rodríguez

DOI: https://doi.org/ 10.1186/1746-6148-9-106


CITE THIS PUBLICATION:

Rubio-Guerri C., Melero M., Esperon F., Belliere EN., Arbelo M., Crespo JL., Sierra E., Garcia-Parraga D. and Sanchez-Vizcaino JM. Unusual striped dolphin mass mortality episode related to cetacean morbillivirus in the Spanish Mediterranean Sea. BMC Veterinary Research. 9(1):106. 2013. (A). ISSN: 1746-6148. DOI: 10.1186/1746-6148-9-106


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