Shifts in disease dynamics in a tropical amphibian assemblage are not due to pathogen attenuation

Author:

Voyles Jamie1ORCID,Woodhams Douglas C.23ORCID,Saenz Veronica4ORCID,Byrne Allison Q.5ORCID,Perez Rachel6ORCID,Rios-Sotelo Gabriela1ORCID,Ryan Mason J.17ORCID,Bletz Molly C.2,Sobell Florence Ann8ORCID,McLetchie Shawna8,Reinert Laura8ORCID,Rosenblum Erica Bree5ORCID,Rollins-Smith Louise A.8ORCID,Ibáñez Roberto39ORCID,Ray Julie M.10ORCID,Griffith Edgardo J.11ORCID,Ross Heidi3ORCID,Richards-Zawacki Corinne L.34ORCID

Affiliation:

1. Department of Biology, University of Nevada, Reno, Reno, NV, USA.

2. Department of Biology, University of Massachusetts–Boston, Boston, MA, USA.

3. Smithsonian Tropical Research Institute, Ancón, Panamá.

4. Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, USA.

5. Department of Environmental Science, Policy, and Management, University of California, Berkeley, Berkeley, CA, USA.

6. Department of Biology, New Mexico Institute of Mining and Technology, Socorro, NM, USA.

7. Arizona Game and Fish Department, Phoenix, AZ, USA.

8. Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, Nashville, TN, USA.

9. Sistema Nacional de Investigación, Panamá, Panamá.

10. La Mica Biological Station, El Copé, Panamá.

11. Fundación Centro de Conservación de Anfibios, El Valle, Panamá.

Abstract

Resistance is not futile The fungal disease chytridiomycosis has wreaked havoc on amphibians worldwide. The disease is caused by the organism Batrachochytrium dendrobatidis and was first identified in the late 1990s. Voyles et al. revisited protected areas in Panama where catastrophic amphibian losses were recorded a decade ago (see the Perspective by Collins). Although disease theory predicts that epidemics should result in reduced pathogenicity, they found no evidence for such a reduction. Despite this, the amphibian community is displaying signs of recovery—including some species presumed extinct after the outbreak. Increased host resistance may be responsible for this recovery. Science , this issue p. 1517 ; see also p. 1458

Funder

National Science Foundation

National Institutes of Health

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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