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Diversity of Arbuscular Mycorrhizal Fungi in Arable and Natural Soils in Korea
Eom, Ahn-Heum,Tae, Moon-Sung,Lee, Jae-Koo The Ecological Society of Korea 2004 Journal of Ecology and Environment Vol.27 No.3
The diversity of arbuscular mycorrhizal fungi (AM) was investigated in cultivated and natural fold sites or chungbuk, Korea. soils were collected from rhizosphere or Sorghum bicolor, Fagopyrum esculentum and Glycine max in cultivated sites, and of Miscanthus sinensis, Glycine soja and Lespedeza cuneata in natural sites. Total 20 species of Glomalean fungi were found in this study. Species richness, species diversity and density of AM fungi were significantly lower in the arable sites. While only AM fungal spores belong to Glomus and Acaulospora were found in arable fold sites, more diverse fungal spores including Gigasporaceae were found in natural grasslands. AM fungal spore composition did not significantly differ among crop plant species. Results suggest that the agricultural practices were significantly influenced on AM fungal community structures and mycorrhizal developments.
( Hyeok Park ),( Ahn-heum Eom ) 한국균학회 2020 韓國菌學會誌 Vol.48 No.2
In this study, we isolated endophytic fungi from the conifer leaves of Pinus densiflora inhabiting Mt. Gyehwasan in Korea. We identified the isolated fungal strains based on their morphological characteristics and phylogenetic analysis using DNA sequences of the internal transcribed spacer, small subunit rDNA, large subunit rDNA, and β-tubulin region. In the process of this study, we confirmed two endophytic fungi that have not been recorded previously in Korea, Lophiostoma macrostomum and Pestalotiopsis lespedezae. In this report, we described the morphological characteristics of these fungal strains and the results of their molecular analysis.
( Hyeok Park ),( Ahn-heum Eom ) 한국균학회 2017 韓國菌學會誌 Vol.45 No.2
A fungal strain was isolated from surface-sterilized roots of Rhododendron mucronulatum, a plant species belonging to the Ericaceae family, collected from Mt. Minjujisan, Korea. This fungal strain was identified as Rhizodermea veluwensis based on its morphological characteristics and based on phylogenetic analysis of its internal transcribed spacer regions and large-subunit rDNA. R. veluwensis has not been previously reported in Korea, and for the first time, we report and describe it herein.
Mycorrhizal Formation of Korean Truffle Species, Tuber koreanum with Oak Trees
Ju-Hui Gwon,Ahn-Heum Eom 한국균학회 2023 韓國菌學會誌 Vol.51 No.2
In this study, we examined the ectomycorrhiza (ECM) formed by a species of the genus Tuber , T. koreanum , with two indigenous Korean oak species, Quercus acutissima and Q. dentata . T. koreanum showed a high colonization rate for both oak species, with a higher mean colonization rate observed for Q. acutissima . The mycorrhizal characteristics of T. koreanum were described, revealing distinct morphological and anatomical differences between the ECM formed with the two host plants. This study is significant because it is the first to elucidate ECM formations of T. koreanum in indigenous oak trees. However, further studies are required to differentiate the ECM associations formed by T. koreanum from those of other Tuber species.