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Originally published in Science Express on 30 October 2008
Science 9 January 2009:
Vol. 323. no. 5911, p. 227
DOI: 10.1126/science.1163874

Brevia

Bat White-Nose Syndrome: An Emerging Fungal Pathogen?

David S. Blehert,1* Alan C. Hicks,2 Melissa Behr,3{dagger} Carol U. Meteyer,1 Brenda M. Berlowski-Zier,1 Elizabeth L. Buckles,4 Jeremy T. H. Coleman,5 Scott R. Darling,6 Andrea Gargas,7 Robyn Niver,5 Joseph C. Okoniewski,2 Robert J. Rudd,3 Ward B. Stone2

White-nose syndrome (WNS) is a condition associated with an unprecedented bat mortality event in the northeastern United States. Since the winter of 2006*2007, bat declines exceeding 75% have been observed at surveyed hibernacula. Affected bats often present with visually striking white fungal growth on their muzzles, ears, and/or wing membranes. Direct microscopy and culture analyses demonstrated that the skin of WNS-affected bats is colonized by a psychro-philic fungus that is phylogenetically related to Geomyces spp. but with a conidial morphology distinct from characterized members of this genus. This report characterizes the cutaneous fungal infection associated with WNS.

1 National Wildlife Health Center, U.S. Geological Survey (USGS), 6006 Schroeder Road, Madison, WI 53711, USA.
2 New York Department of Environmental Conservation, 625 Broadway, Albany, NY 12233, USA.
3 New York Department of Health, Post Office Box 22002, Albany, NY 12201, USA.
4 Cornell University, VRT T6008, Ithaca, NY 14853, USA.
5 U.S. Fish and Wildlife Service, 3817 Luker Road, Cortland, NY 13045, USA.
6 Vermont Fish and Wildlife Department, 271 North Main Street, Rutland, VT 05701, USA.
7 Symbiology Limited Liability Corporation, Middleton, WI 53562, USA.

{dagger} Present address: Wisconsin Veterinary Diagnostic Laboratory, 445 Easterday Lane, Madison, WI 53706, USA.

* To whom correspondence should be addressed. E-mail: dblehert{at}usgs.gov

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