Table of Contents

Volume 511 Number 7508 pp125-258

10 July 2014

About the cover

The fungal pathogen Batrachochytrium dendrobatidis, or Bd, has been implicated in the declines of many amphibian species worldwide. There has been little evidence that amphibians can acquire resistance to this pathogen, but now Jason Rohr and colleagues present experiments on several amphibian species, including the Cuban tree frog Osteopilus septentrionalis, shown here, that demonstrate that frogs can learn to avoid the pathogen, can overcome Bd-induced immunosuppression after repeated exposure, and can be immunized against it using dead pathogen. Conservation projects have removed threatened amphibian species from Bd-positive habitats and are breeding them in captivity. Using vaccines to induce resistance in captive-bred amphibians prior to a return to the wild could make it possible in the future to repopulate areas that have seen catastrophic declines. Cover photo: Joseph Gamble

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