Using FINDeM for rapid, CRISPR-based detection of the emerging salamandrid fungal pathogen, Batrachochytrium salamandrivorans.
Hoenig, B. D.; Boning, P.; Plewnia, A.; Richards-Zawacki, C. L.
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AbstractThe fungal pathogen Batrachochytrium salamandrivorans (Bsal) is one of two species (the other, B. dendrobatidis/Bd) that cause amphibian chytridiomycosis, an emerging infectious disease that has been indicated in the declines of hundreds of amphibian species worldwide. While Bd has been near-globally distributed for well over a century, Bsal is a more recently emerged pathogen, having been identified just over a decade ago with current impacts localized to salamandrids in parts of Europe. However, because there is concern that Bsal will cause widespread declines if introduced to naive regions - such as the Americas where the greatest diversity of salamandrids exist - it is imperative that widespread testing and monitoring strategies be implemented to mitigate the spread of Bsal. As standard diagnostic approaches tend to be expensive, time-consuming, or require specialized instrumentation and training, we have developed a simplified, rapid, CRISPR-based approach for Bsal-DNA identification and provide suggestions for its future application.
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