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Scientists find deadly amphibian disease in the last disease-free region of central America
Date:6/13/2011

ished captive assurance colonies in Panama of two priority species endemic to the Darienthe Pirre harlequin frog (Atelopus glyphus) and the Toad Mountain harlequin frog (A. certus). In addition, the Smithsonian's National Zoo maintains an active breeding program for the Panamanian golden frog, which is Panama's national animal. The Panamanian golden frog is critically endangered, according to the International Union for Conservation of Nature, and researchers have not seen them in the wild since 2008.

"We would like to be moving faster to build capacity," Gratwicke said. "One of our major hurdles is fundraising to build a facility to house these frogs. Until we jump that hurdle, we're limited in our capacity to take in additional species."

Nearly one-third of the world's amphibian species are at risk of extinction. While the global amphibian crisis is the result of habitat loss, climate change and pollution, chytridiomycosis is at least partly responsible for the disappearances of 94 of the 120 frog species thought to have gone extinct since 1980.

"These animals that we are breeding in captivity will buy us some time as we find a way to control this disease in the wild and mitigate the threat directly," said Woodhams, who was the lead author of a whitepaper Mitigating Amphibian Disease: strategies to maintain wild populations and control chytridiomycosis. This paper, published in Frontiers in Zoology, systematically reviews disease-control tools from other fields and examines how they might be deployed to fight chytrid in the wild. One particularly exciting lead in the effort to find a cure is that anti-chytrid bacteria living on frog skin may have probiotics properties that protect their amphibian host from chytrid by secreting anti-fungal chemicals. Woodhams recently discovered that some Panamanian species with anti-chytrid skin bacteria transmit beneficial skin chemicals and bacteria to their offspring. The paper,
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Contact: Lindsay Renick Mayer
RenickMayerL@si.edu
202-633-3081
Smithsonian
Source:Eurekalert  

Page: 1 2 3

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