DAO 135:43-48 (2019) - DOI: https://doi.org/10.3354/dao03381
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First report of fibropapillomatosis in an olive ridley turtle Lepidochelys olivacea from the southeastern Pacific
Rocío Álvarez-Varas1,2,3,*, Diana M. Cárdenas4, Roberto V. Cucalón4,5, José Del Río2,6, Federico Cifuentes6, Mauricio Ulloa7, Cristóbal Briceño8, Washington B. Cárdenas4
ABSTRACT: An adult olive ridley turtle Lepidochelys olivacea with lesions suggestive of fibropapillomatosis was rescued on the coast of San Antonio, central Chile. Histopathologic analysis showed an exophytic and pedunculated mass formed by epidermal papillary projections supported by fibrovascular cores, epidermal hyperplasia and marked orthokeratotic hyperkeratosis. ChHV5 unique long genes UL27, UL28 and UL30 were amplified from tumor lesions and sequenced for phylogeny. Phylogenetic reconstruction showed the Chilean sequences clustering with the Eastern Pacific group. This is the first case of fibropapillomatosis in an olive ridley turtle diagnosed in Chile and in the southeastern Pacific region. Our results suggest a regional grouping of ChHV5 variants independent of the marine turtle’s species.
KEY WORDS: ChHV5 · Fibropapillomatosis · Histopathology · Phylogenetics · Lepidochelys olivacea · Chile · Eastern Pacific · Sea turtle
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Full text in pdf format Supplementary material | Cite this article as: Álvarez-Varas R, Cárdenas DM, Cucalón RV, Del Río J and others (2019) First report of fibropapillomatosis in an olive ridley turtle Lepidochelys olivacea from the southeastern Pacific. Dis Aquat Org 135:43-48. https://doi.org/10.3354/dao03381
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