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영어

This study investigated the microscopic characteristics and genetic relationships of Ganoderma applanatum fruiting bodies. Basidiospores were brown, ellipsoid, and had one or two large vacuoles and a double wall. The surface of basidiospores was smooth or wrinkled and most had numerous small and shallow holes. The length and width of basidiospores of Ganoderma applanatum isolates GBGA-01, GBGA-02, ASI 50167, ASI 52821, ASI 52822, ASI 52823, and ASI 53399 were on average 7.6×4.8 mm, 7.9×4.6 mm, 7.7×4.9 mm, 8.2×5.3 mm, 7.7×5.0 mm, 8.0×4.9 mm, and 7.9×4.9 mm, respectively. In contrast, the basidiospores of Ganoderma lucidum isolate ASI 7125 were 7.7×5.2 mm. Using the universal ITS1/ITS4 primer set, the ITS region of the isolates were amplified and sequenced. The ITS sequences were very closely related to G. applantum isolate GBGA-01, GBGA-02, ASI 50167, ASI 52821, ASI 52822, ASI 52823 and ASI 53399, but were not the same species. Whereas, G. lucidum isolate ASI 7125 belongs to different group.