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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-466

Pearman, P B; Garner, T W J; Straub, M; Greber, U F (2004). Response of the Italian agile frog (Rana latastei) to a Ranavirus, frog virus 3: a model for viral emergence in naïve populations. Journal of Wildlife Diseases, 40(4):660-669.

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Abstract

Ranavirus (family Iridoviridae) is a genus of pathogens of poikilotherms, and some ranaviruses may play a role in widespread mortality of amphibians. Ecology of viral transmission in amphibians is poorly known but can be addressed through experimentation in the laboratory. In this study, we use the Ranavirus frog virus 3 (FV3) as an experimental model for pathogen emergence in naive populations of tadpoles. We simulated emerging disease by exposing tadpoles of the Italian agile frog (Rana latastei), to the North American Ranavirus FV3. We demonstrated that mortality occurred due to viral exposure, exposure of tadpoles to decreasing concentrations of FV3 in the laboratory produced dose-dependent survival rates, and cannibalism of virus-carrying carcasses increased mortality due to FV3. These experiments suggest the potential for ecological mechanisms to affect the level of exposure of tadpoles to Ranavirus and to impact transmission of viral pathogens in aquatic systems.

Item Type:Journal Article, refereed
Communities & Collections:07 Faculty of Science > Institute of Molecular Life Sciences
DDC:570 Life sciences; biology
Language:English
Date:1 October 2004
Deposited On:11 Feb 2008 12:15
Last Modified:27 Nov 2013 18:20
Publisher:Wildlife Disease Association
ISSN:0090-3558
Related URLs:http://www.jwildlifedis.org/cgi/content/abstract/40/4/660
PubMed ID:15650083
Citations:Web of Science®. Times Cited: 41
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