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High-Temperature-Tolerant Fungus and Oomycetes in Korea, Including Saksenaea longicolla sp. nov.

Mycobiology 2021년 49권 5호 p.476 ~ 490
남보라, Lee Dong-Jae, 최영준,
소속 상세정보
남보라 ( Nam Bo-Ra ) - Kunsan National University College of Natural Sciences Department of Biology
 ( Lee Dong-Jae ) - Kunsan National University College of Natural Sciences Department of Biology
최영준 ( Choi Young-Joon ) - Kunsan National University College of Natural Sciences Department of Biology

Abstract


Global temperatures are steadily increasing, leading to significant changes in microbial diversity and ecology. In the present study, we isolated high-temperature-growing fungi and fungi-like group (Oomycota) strains from freshwater environments of Korea and identified them based on cultural, morphological, and multilocus phylogenetic analyses. As a result, we introduce Saksenaea (Fungi) isolates as a new species, Saksenaea longicolla sp. nov. and record Phytophthora chlamydospora and P. lagoariana (Oomycota) new to Korea. In the growth experiments, they exhibited high-temperature tolerance, which can grow at 35?40?°C but become inactive at 4?°C and below. This study confirms the presence of high-temperature-tolerant fungi and oomycetes in Korea and suggests that the Korean climate conditions are changing in favor of these species. This indicates that climate warming is altering microbial distributions in freshwater environments.

키워드

Climate change; freshwater; microbial diversity; Mucorales; Oomycota

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