Pulmonary and systemic fungal infections in an Atlantic spotted dolphin and a Bryde's whale, Brazil

We report the gross and microscopic findings and molecular identification of 2 cases of hyphate fungal infection in cetaceans from Brazil. The first case involved an adult male Atlantic spotted dolphin Stenella frontalis with localized pulmonary disease characterized by pyogranulomatous and necrotiz...

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Bibliographic Details
Published in:Diseases of aquatic organisms 2018-03, Vol.128 (1), p.73-79
Main Authors: Groch, Kátia R, Díaz-Delgado, Josué, Sacristán, Carlos, Oliveira, Denyiélim E, Souza, Gabriela, Sánchez-Sarmiento, Angélica M, Costa-Silva, Samira, Marigo, Juliana, Castilho, Pedro V, Cremer, Marta J, Rodrigues Hoffmann, Aline, Esperón, Fernando, Catão-Dias, José L
Format: Article
Language:English
Subjects:
Animals
Aquatic mammals
Aspergillosis
Atlantic Ocean - epidemiology
Balaenoptera
Brazil - epidemiology
Bronchopneumonia
Dolphins
Fungal infections
Fungi
Hyphae
Infections
Lung diseases
Lymph nodes
Lymphadenitis
Male
Marine mammals
Mycoses - epidemiology
Mycoses - veterinary
Mycosis
Orchitis
Stenella
Yard waste
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Summary:We report the gross and microscopic findings and molecular identification of 2 cases of hyphate fungal infection in cetaceans from Brazil. The first case involved an adult male Atlantic spotted dolphin Stenella frontalis with localized pulmonary disease characterized by pyogranulomatous and necrotizing bronchopneumonia with intralesional hyphae. The second case involved an adult male Bryde's whale Balaenoptera edeni with orchitis, periorchitis, mesenteric lymphadenitis and pyogranulomatous bronchopneumonia with intralesional hyphae. PCR analysis from the dolphin's lung yielded Aspergillus fumigatus, and the fungus from the whale's mesenteric lymph node showed the greatest identity to Nanniziopsis obscura and Stagonosporopsis cucurbitacearum These cases represent the first reports of pulmonary aspergillosis by A. fumigatus in an Atlantic spotted dolphin and systemic mycosis by a possibly novel Onygenales in marine mammals.
ISSN:0177-5103
1616-1580
DOI:10.3354/dao03207