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

Kátia R Groch; Josué Díaz-Delgado; Carlos Sacristán; Denyiélim E. Oliveira; Gabriela Souza; Angélica M. Sánchez-Sarmiento; Samira Costa-Silva; Juliana Marigo; Pedro V. Castilho; Marta J. Cremer; Aline Rodrigues Hoffmann; Fernando Esperón; José L. Catão-Dias

doi:10.3354/dao03207

DAO

Diseases of Aquatic Organisms

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DAO 128:73-79 (2018) - DOI: https://doi.org/10.3354/dao03207

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

Kátia R Groch^1,*, Josué Díaz-Delgado^1,2, Carlos Sacristán¹, Denyiélim E. Oliveira³, Gabriela Souza³, Angélica M. Sánchez-Sarmiento¹, Samira Costa-Silva¹, Juliana Marigo¹, Pedro V. Castilho³, Marta J. Cremer⁴, Aline Rodrigues Hoffmann², Fernando Esperón⁵, José L. Catão-Dias¹

¹Laboratory of Wildlife Comparative Pathology, Department of Pathology, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, SP 05508-270, Brazil
²Department of Veterinary Pathobiology, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77845, USA
³Departamento de Engenharia de Pesca, Universidade do Estado de Santa Catarina, Bairro Progresso, Laguna, SC 88.790-000, Brazil
⁴Laboratório de Nectologia, Universidade da Região de Joinville, UNIVILLE, São Francisco do Sul, SC 89240-000, Brazil
⁵Grupo de Epidemiología y Sanidad Ambiental, Centro de Investigación en Sanidad Animal (INIA-CISA), Valdeolmos, Madrid 28130, Spain

*Corresponding author: katia.groch@gmail.com

ABSTRACT: 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.

KEY WORDS: Marine mammal · Balaenoptera edeni · Stenella frontalis · Cetacean pathology · Fungal infection · Mycosis · Onygenales · Nannizziopsiaceae · Aspergillus

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Cite this article as: Groch KR, Díaz-Delgado J, Sacristán C, Oliveira DE and others (2018) Pulmonary and systemic fungal infections in an Atlantic spotted dolphin and a Bryde’s whale, Brazil. Dis Aquat Org 128:73-79. https://doi.org/10.3354/dao03207

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DAO 128:73-79 (2018) - DOI: https://doi.org/10.3354/dao03207

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

Kátia R Groch1,*, Josué Díaz-Delgado1,2, Carlos Sacristán1, Denyiélim E. Oliveira3, Gabriela Souza3, Angélica M. Sánchez-Sarmiento1, Samira Costa-Silva1, Juliana Marigo1, Pedro V. Castilho3, Marta J. Cremer4, Aline Rodrigues Hoffmann2, Fernando Esperón5, José L. Catão-Dias1

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

Kátia R Groch^1,*, Josué Díaz-Delgado^1,2, Carlos Sacristán¹, Denyiélim E. Oliveira³, Gabriela Souza³, Angélica M. Sánchez-Sarmiento¹, Samira Costa-Silva¹, Juliana Marigo¹, Pedro V. Castilho³, Marta J. Cremer⁴, Aline Rodrigues Hoffmann², Fernando Esperón⁵, José L. Catão-Dias¹