Two snakes were presented to the Pennsylvania State University Animal Diagnostic Laboratory with one suffering from external lesions where the scales were raised and discolored, and the other with oral lesions and swelling extending to the left eye, which was opaque. Histopathological analysis revealed multifocal granulomas containing fungal hyphae. Morphological and DNA sequence analyses revealed both suffered from infection by Ophidiomyces ophiodiicola, an emerging pathogen of snakes. This is the first report of this disease in Pennsylvania.
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http://dx.doi.org/10.1638/2015-0123.1 | DOI Listing |
J Comp Pathol
April 2024
V.N. Karazin Kharkiv National University, 4 Svobody Square, Kharkiv, 61022, Ukraine.
Mycotic lesions of the skin of snakes are often associated with the fungus Ophidiomyces ophiodiicola, but other pathogens can cause similar signs. A skin sample from a wild Nikolsky's viper (Vipera berus nikolskii) with dermal lesions was collected in eastern Ukraine. A pure fungal culture was obtained and identified using nucleotide sequence analysis as the entomopathogenic species Beauveria bassiana sensu lato.
View Article and Find Full Text PDFJ Wildl Dis
January 2024
University of Georgia's Savannah River Ecology Laboratory, Aiken, South Carolina 29802, USA.
Ophidiomycosis, also known as snake fungal disease, is caused by Ophidiomyces ophidiicola and is a threat to snake conservation worldwide. Ophidiomycosis has been reported throughout much of the eastern US, and outbreaks have been associated with local population declines of already strained populations. Previous studies report significant variability in ophidiomycosis among species sampled, with higher prevalence typically observed in Nerodia spp.
View Article and Find Full Text PDFPLoS One
August 2023
Wildlife Epidemiology Laboratory, Department of Veterinary Clinical Medicine, University of Illinois College of Veterinary Medicine, Urbana, Illinois, United States of America.
Ophidiomycosis (snake fungal disease) is an infectious disease caused by the fungus Ophidiomyces ophidiicola to which all snake species appear to be susceptible. Significant variation has been observed in clinical presentation, progression of disease, and response to treatment, which may be due to genetic variation in the causative agent. Recent phylogenetic analysis based on whole-genome sequencing identified that O.
View Article and Find Full Text PDFEnviron Monit Assess
May 2023
U.S. Geological Survey - National Wildlife Health Center, 6006 Schroeder Rd, Madison, WI, 53711, USA.
Snake fungal disease, caused by Ophidiomyces ophidiicola, is recognized as a potential concern for North American snakes. We tested skin swabs from Northern Pine Snakes (Pituophis melanoleucus melanoleucus) in the New Jersey pinelands for the presence of O. ophidiicola before emergence from hibernation.
View Article and Find Full Text PDFVet Res Commun
September 2023
Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, Perugia, 06126, Italy.
Ophidiomycosis is an emerging infectious disease caused by the fungus Ophidiomyces ophidiicola (Oo). To date, Oo presence or associated disease condition has been recorded in wild and/or captive snakes from North America, Europe, Asia and Australia, but the data is still scarce outside the Nearctic. Although Italy is a country with a high snake biodiversity in the European panorama, and animals with clinical signs compatible with Oo infection have been documented, to date no investigations have reported the disease in the wild.
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