Abstract
Abstract Infectious diseases, including those caused by ranaviruses (family Iridoviridae), are among the suspected causes of global amphibian declines. Like many pathogens, ranaviruses appear to infect multiple species. We examined several North American amphibian ranavirus isolates to improve our understanding of the effects these viruses have on host communities. Our study had two objectives. The first was to characterize isolates from epizootics affecting wild amphibian populations and compare them to previously described isolates. The second was to test whether amphibian ranaviruses infect ecologically relevant heterologous species, and if so, document the outcome of exposure. The combined results of restriction endonuclease (RE) digestion analyses, sequence analyses, and experimental challenge trials suggest that two amphibian ranaviruses, Ambystoma tigrinum virus (ATV)-like viruses and Frog Virus 3 (FV3)-like viruses, are distinct viral species with different ecologies. Characterizations revealed th...
Published Version
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