Viral encephalopathy and retinopathy (VER) disease in Epinephelus marginatus from the Balearic Islands marine protected areas
2019; Inter-Research; Volume: 135; Issue: 1 Linguagem: Inglês
10.3354/dao03378
ISSN1616-1580
AutoresJosé María Valencia, Amàlia Grau, Tobia Pretto, Joan Pons, José A. Jurado‐Rivera, Castro Ja, Anna Toffan, Gaetano Catanese,
Tópico(s)Virology and Viral Diseases
ResumoDAO Diseases of Aquatic Organisms Contact the journal Facebook Twitter RSS Mailing List Subscribe to our mailing list via Mailchimp HomeLatest VolumeAbout the JournalEditorsSpecials DAO 135:49-58 (2019) - DOI: https://doi.org/10.3354/dao03378 Viral encephalopathy and retinopathy (VER) disease in Epinephelus marginatus from the Balearic Islands marine protected areas Jose Maria Valencia1,2, Amalia Grau1,2, Tobia Pretto3, Joan Pons4, Jose Antonio Jurado-Rivera5, Jose Aurelio Castro5, Anna Toffan3, Gaetano Catanese1,2,* 1Laboratori d'Investigacions Marines i Aqüicultura, LIMIA - Govern de les Illes Balears, Av. Gabriel Roca 69, 07158 Port d'Andratx, Spain 2Instituto de Investigaciones Agroambientales y de Economía del Agua, INAGEA (INIA-CAIB-UIB), Ctra. Valldemossa km. 7,5 Ed. Edifici Guillem Colom Casasnoves, 07122 Palma de Mallorca, Spain 3Istituto Zooprofilattico Sperimentale delle Venezie, OIE Reference Laboratory for Viral Encephalopathy and Retinopathy, Viale dell'Università 10, 35020 Legnaro (Padova), Italy 4Institut Mediterrani d'Estudis Avançats IMEDEA (UIB-CSIC), Miquel Marquès 21, 07190 Esporles, Spain 5Laboratori de Genètica, Departament de Biologia, Universitat de les Illes Balears, Campus de la UIB, Ctra. Valldemossa km. 7,5, 07122 Palma de Mallorca, Spain *Corresponding author: gcatanese@dgpesca.caib.es ABSTRACT: This is the first description of a betanodavirus infection in the dusky grouper Epinephelus marginatus within the marine protected areas (MPAs) of the Balearic Islands. Histopathology techniques were employed to describe neurological lesions in infected fish. Abnormal swimming, mortality, and neurological lesions were detected in all analysed grouper individuals. Virus particles were observed by means of transmission electron microscopy. Reverse transcription of RNA1 and RNA2 followed by cDNA amplification and sequencing allowed viral classification. Phylogenetic analysis showed the isolates from wild E. marginatus of the Balearic Islands MPAs to be closely related to Dicentrarchus labrax and Mullus barbatus strains from Cyprus and Italy. Although vertical transmission from infected spawners has been described as the major route for nodavirus infection, we point out in this work that horizontal transmission among sub-clinical fishes after migration or commercial import for aquaculture production could play a major role in the spreading of the disease in MPAs. KEY WORDS: Epinephelus marginatus · Marine protected areas · Betanodavirus · Viral encephalopathy and retinopathy Full text in pdf format PreviousNextCite this article as: Valencia JM, Grau A, Pretto T, Pons J and others (2019) Viral encephalopathy and retinopathy (VER) disease in Epinephelus marginatus from the Balearic Islands marine protected areas. Dis Aquat Org 135:49-58. https://doi.org/10.3354/dao03378 Export citation RSS - Facebook - Tweet - linkedIn Cited by Published in DAO Vol. 135, No. 1. Online publication date: June 27, 2019 Print ISSN: 0177-5103; Online ISSN: 1616-1580 Copyright © 2019 Inter-Research.
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