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KMID : 0379120200480020087
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Korean Journal of Mycology
2020 Volume.48 No. 2 p.87 ~ p.93
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A New Report of Biscogniauxia petrensis Isolated from Mosquitoes in Korea
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Das Kallol
Kim Joung-Ho
Choi Kwang-Shik
Lee Seung-Yeol
Jung Hee-Young
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Abstract
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A fungal strain designated KNU-WDM2A2 was isolated from mosquitoes in Gimcheon, Korea.
The pure culture was transferred to potato dextrose agar (PDA) and synthetic nutrient agar (SNA) media and attained a diameter of 90 mm after 10 days of incubation at 25℃. The colonies were whitish to light pink and cottony to wooly, with an abundant production of aerial mycelia. The strain produced hyaline to slightly yellowish conidiophores that were rough-walled and branched, with conidiogenous cells arising terminally or laterally. Conidia were unicellular, hyaline to light brown, smooth, and oval or ovoid to clavate, with a size of 4.1-6.9×2.5-3.3 μm (n=65). A phylogenetic analysis was conducted using the internal transcribed spacer (ITS) regions and 28S rDNA of large subunit (LSU) sequences, to support the cultural and morphological characteristics. The KNU-WDM2A2 strain was identified here as Biscogniauxia petrensis, new to Korea.
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KEYWORD
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Biscogniauxia petrensis, morphology, mosquito, phylogeny
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