Abstract
Pseudogymnoascus is a psychrophilic fungus, which is a genus widely distributed in cold regions around the world. Recently, the presence of Pseudogymnoascus destructans (Pd), the causative agent of white-nose syndrome (WNS) belonging to Pseudogymnoascus, has been reported in neighboring countries of Korea. However, no investigation on Pd has been reported in Korea. In this study, cave-inhabiting bats and their habitats were investigated in terms of the diversity of cave fungi, and we tried to confirm the presence of Pd. Three caves suspected of hosting Pd were selected, and 83 environmental and 53 bat samples were collected. A total of 154 fungal strains belonging to 31 different genera were isolated, and 20 of 154 were confirmed to belong to Pseudogymnoascus. Pd-diagnostic PCR was performed to check whether Pd was present in the isolated Pseudogymnoascus, and seven positives were confirmed. However, phylogenetic analyses revealed that no isolates belonged or were closely related to the clade with Pd. Although samples were collected from limited areas, undescribed Pseudogymnoascus species were isolated, and it was confirmed that Korean isolates were distributed in various clades. In conclusion, it is hypothesized that Korean Pseudogymnoascus presents high diversity.
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