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Hibernation temperature-dependent Pseudogymnoascus destructans infection intensity in Palearctic bats
Authors: Martinkova Natalia | Pikula Jiri | Zukal Jan | Kovacova Veronika | Bandouchova Hana | Bartonicka Tomas | Botvinkin Alexander D. | Brichta Jiri | Dundarova Heliana | Kokurewicz Tomasz | Irwin Nancy R. | Linhart Petr | Orlov Oleg L. i | Piacek Vladimir | Škrabánek Pavel | Tiunov Mikhail P. | Zahradnikova Alexandra, Jr.
Year: 2018
Type of publication: článek v odborném periodiku
Name of source: Virulence
Publisher name: Taylor & Francis Ltd.
Place: Abingdon
Page from-to: 1734-1750
Titles:
Language Name Abstract Keywords
cze Závislost intenzity infekce Pseudogymnoascus destructans na teplotě hibernace u palearktických netopýrů Článek je věnován studiu vlivu teploty na plísňové onemocnění způsobené Pseudogymnoascus destructans (syndromu bílého nosu) u populace netopýrů. Chiroptera; houbová infekce; fuzzy regrese; histopatologie; tepelná preference; syndrom bílého nosu
eng Hibernation temperature-dependent Pseudogymnoascus destructans infection intensity in Palearctic bats White-nose syndrome (WNS) is a fungal disease caused by Pseudogymnoascus destructans that is devastating to Nearctic bat populations but tolerated by Palearctic bats. Temperature is a factor known to be important for fungal growth and bat choice of hibernation. Here we investigated the effect of temperature on the pathogenic fungal growth in the wild across the Palearctic. We modelled body surface temperature of bats with respect to fungal infection intensity and disease severity and were able to relate this to the mean annual surface temperature at the site. Bats that hibernated at lower temperatures had less fungal growth and fewer skin lesions on their wings. Contrary to expectation derived from laboratory P. destructans culture experiments, natural infection intensity peaked between 5 and 6 degrees C and decreased at warmer hibernating temperature. We made predictive maps based on bat species distributions, temperature and infection intensity and disease severity data to determine not only where P. destructans will be found but also where the infection will be invasive to bats across the Palearctic. Together these data highlight the mechanistic model of the interplay between environmental and biological factors, which determine progression in a wildlife disease. [GRAPHICS] . Chiroptera; fungal load; fuzzy regression; histopathology; thermal preference; white-nose syndrome

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