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KMID : 1160220200480040245
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Mycobiology
2020 Volume.48 No. 4 p.245 ~ p.251
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Ceratocystis quercicola sp. nov. from Quercus variabilis in Korea
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Cho Sung-Eun
Lee Dong-Hyeon
Wingfield Michael J.
Marincowitz Seonju
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Abstract
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During a survey of putative fungal pathogens infecting oak trees in the Gangwon Province of the Republic of Korea, a fungus resembling a Ceratocystis sp. was repeatedly isolated from natural wounds on Quercus variabilis. Morphological comparisons and DNA sequence comparisons based on partial β-tubulin and TEF-1α gene regions showed that the fungus resided in a distinct lineage. This novel Ceratocystis species is described here as C. quercicola sp. nov. This is the first novel species of Ceratocystis to be reported from Korea. A pathogenicity test showed that it can cause lesions on inoculated trees but that it had a very low level of aggressiveness. The discovery of this fungus suggests that additional taxa residing in Ceratocystis are likely to be discovered in Korea in the future.
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KEYWORD
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Microascales, oak, ophiostomatoid, wound
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