Molecular Characterization of Chelonid Alphaherpesvirus 5 in a Black Turtle ( Chelonia mydas ) Fibropapilloma from Baja California Sur, Mexico

During routine monitoring in Ojo de Liebre Lagoon, Mexico, a juvenile black turtle ( ) was captured, physically examined, measured, weighed, sampled, and tagged. The turtle showed no clinical signs suggestive of disease. Eleven months later, this turtle was recaptured in the same area, during which...

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Bibliographic Details
Published in:Animals (Basel) 2021-01, Vol.11 (1), p.105
Main Authors: Reséndiz, Eduardo, Fernández-Sanz, Helena, Domínguez-Contreras, José Francisco, Ramos-Díaz, Amelly Hyldaí, Mancini, Agnese, Zavala-Norzagaray, Alan A, Aguirre, A Alonso
Format: Article
Language:English
Subjects:
Angiogenesis
Anticoagulants
Aquatic environment
Aquatic reptiles
Bayesian analysis
Blood
Caretta caretta
Chelonia mydas
chelonid alphaherpesvirus 5
Communication
Degeneration
Deoxyribonucleic acid
Dermis
Disease
DNA
Environmental changes
Fibropapillomatosis
Fisheries
Hematology
Hemoglobin
Histopathology
Hyperplasia
Lagoons
Lepidochelys olivacea
Pathogenesis
Phylogenetics
Phylogeny
polymerase chain reaction
Population growth
Protected areas
Sea turtles
Software
Structure-function relationships
Tourism
Tumors
Turtles
Wildlife
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Summary:During routine monitoring in Ojo de Liebre Lagoon, Mexico, a juvenile black turtle ( ) was captured, physically examined, measured, weighed, sampled, and tagged. The turtle showed no clinical signs suggestive of disease. Eleven months later, this turtle was recaptured in the same area, during which one lesion suggestive of fibropapilloma on the neck was identified and sampled for histopathology and molecular analysis. Histopathology revealed hyperkeratosis, epidermal hyperplasia, acanthosis, papillary differentiation and ballooning degeneration of epidermal cells, increased fibroblasts in the dermis, and angiogenesis, among other things. Hematological values were similar to those reported for clinically healthy black turtles and did not show notable changes between the first capture and the recapture; likewise, clinicopathological evaluation did not show structural or functional damage in the turtle's systems. The chelonid alphaherpesvirus 5 (ChHV5) UL30 gene was amplified and sequenced for phylogeny; Bayesian reconstruction showed a high alignment with the genus of the Eastern Pacific group. This is one of the first reports of ChHV5 in a cutaneous fibropapilloma of a black turtle in the Baja California peninsula.
ISSN:2076-2615
2076-2615
DOI:10.3390/ani11010105