American Bullfrogs (Lithobates catesbeianus) Resist Infection by Multiple Isolates of Batrachochytrium dendrobatidis, Including One Implicated in Wild Mass Mortality

Evan A. Eskew, S. Joy Worth, Janet E Foley, Brian D. Todd

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

The emerging amphibian disease chytridiomycosis varies in severity depending on host species. Within species, disease susceptibility can also be influenced by pathogen variation and environmental factors. Here, we report on experimental exposures of American bullfrogs (Lithobates catesbeianus) to three different isolates of Batrachochytrium dendrobatidis (Bd), including one implicated in causing mass mortality of wild American bullfrogs. Exposed frogs showed low infection prevalence, relatively low infection load, and lack of clinical disease. Our results suggest that environmental cofactors are likely important contributors to Bd-associated American bullfrog mortality and that this species both resists and tolerates Bd infection.

Original languageEnglish (US)
Pages (from-to)513-518
Number of pages6
JournalEcoHealth
Volume12
Issue number3
DOIs
StatePublished - Jun 12 2015

Keywords

  • carrier
  • chytridiomycosis
  • Rana catesbeiana
  • resistance
  • susceptibility
  • tolerance

ASJC Scopus subject areas

  • Ecology
  • Health, Toxicology and Mutagenesis

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