Herpesviruses in migrating procellariforms, northeastern Brazil

Seabirds are one of the most threatened avian groups. Viruses, including herpesvirus, represent considerable threats to marine avifauna. Herein, our goal was to survey herpesvirus in Procellariiformes that stranded in Brazil between June and July 2021. We analyzed 12 Cory's shearwaters ( Calone...

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Bibliographic Details
Published in:Veterinary research communications 2024-08, Vol.48 (4), p.2841-2846
Main Authors: Sacristán, Carlos, Duarte-Benvenuto, Aricia, Navas-Suárez, Pedro Enrique, Zamana-Ramblas, Roberta, Baes, Laura, Codeas, Barbara Sophia, Pavanelli, Larissa, Ikeda, Joana, Catão-Dias, José Luiz, Ewbank, Ana Carolina
Format: Article
Language:English
Subjects:
Avifauna
Biomedical and Life Sciences
Brief Report
Conserved sequence
Epidemiology
Herpes viruses
Life Sciences
Necropsy
Procellariidae
Procellariiformes
Puffinus gravis
Stranding
Veterinary Medicine/Veterinary Science
Zoology
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Summary:Seabirds are one of the most threatened avian groups. Viruses, including herpesvirus, represent considerable threats to marine avifauna. Herein, our goal was to survey herpesvirus in Procellariiformes that stranded in Brazil between June and July 2021. We analyzed 12 Cory's shearwaters ( Calonectris borealis ), two Great Shearwaters ( Ardenna gravis , syn. Puffinus gravis ) and one Yellow-nosed Albatross ( Thalassarche chlororynchos ) found in an unusual mortality event in Bahía state, northeastern Brazil. After necropsy, selected tissue samples were tested for herpesvirus using a broad-range nested PCR. Overall, 20% (3/15) of the birds were herpesvirus-positive, i.e., two Cory's Shearwaters and one Great Shearwater. One alphaherpesvirus sequence type was identified in each shearwater species, classified into the genus Mardivirus . This study describes two likely novel herpesviruses in shearwaters, contributing to the currently very scarce data regarding infectious agents in Procellariiformes. Further studies are necessary to evaluate the presence and characteristics of herpesvirus in Procellariiformes, and the presence (or not) of related disease in order to understand the epidemiology of this infectious agent and eventually contribute to the conservation of this endangered seabird group.
ISSN:0165-7380
1573-7446
1573-7446
DOI:10.1007/s11259-024-10434-9