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Baudoinia, a new genus to accommodate Torula compniacensis

     Department of Public Health Sciences, University of Toronto, Toronto, Ontario, Canada M5T 1R4, and Sporometrics Inc., 219 Dufferin Street, Suite 20C, Toronto, Ontario, M6K 1Y9 Canada

Wendy A. Untereiner

     Zoology Department, Brandon University, Brandon, Manitoba, R7A 6A9 Canada

Juliet O. Ewaze
Bess Wong

     Department of Public Health Sciences, University of Toronto, Toronto, Ontario, Canada M5T 1R4, and Sporometrics Inc., 219 Dufferin Street, Suite 20C, Toronto, Ontario, M6K 1Y9 Canada

David Doyle

     Hiram Walker & Sons Ltd./Pernod Ricard North America, Windsor, Ontario, N8Y 4S5 Canada

Baudoinia gen. nov. is described to accommodate Torula compniacensis. Reported originally from the walls of buildings near brandy maturation warehouses in Cognac, France, species of Baudoinia are cosmopolitan colonists of exposed surfaces subjected to large diurnal temperature shifts, episodic high relative humidity and wetting, and ambient airborne ethanol. Morphologically B. compniacensis resembles some anamorphic Mycosphaerellaceae in possessing dark brown, nonseptate or uniseptate conidia with coarsely roughened walls that are borne acropetally in unbranched chains and released by schizolytic dehiscence. Analysis of partial nuclear rDNA SSU sequences positions B. compniacensis in the order Capnodiales and reveals that it is most closely related to the microcolonial genus Friedmanniomyces. Heat resistance is induced by brief sublethal temperature exposure.

Key words: Capnobotryella, Knufia, microcolonial fungi, sooty molds, systematics, warehouse staining fungus