Disseminated Geosmithia argillacea infection in a German Shepherd dog

David C. Grant, Deanna A. Sutton, Christina A. Sandberg, Ronald D. Tyler, Elizabeth H. Thompson, Anna M. Romanelli, Brian L. Wickes

Research output: Contribution to journalArticlepeer-review

36 Scopus citations


We report a systemic mycosis in a German Shepherd dog caused by Geosmithia argillacea. Although this etiologic agent microscopically resembles a Penicillium species, and is histopathologically compatible with members of the genus Aspergillus, morphologic features and molecular characterization clearly separate it from these genera. This appears to be the first report of disseminated disease by this species in humans or animals. In vitro antifungal susceptibility testing suggests resistance to amphotericin B and voriconazole and susceptibility to caspofungin, itraconazole, and posaconazole.

Original languageEnglish (US)
Pages (from-to)221-226
Number of pages6
JournalMedical mycology
Issue number2
StatePublished - 2009


  • Geosmithia argillacea
  • German Shepherd dog

ASJC Scopus subject areas

  • Infectious Diseases


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