Asterostroma species (Basidiomycota) from mangrove forests in Japan |
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| Authors: | Hiroto Suhara Nitaro Maekawa Shuji Ushijima Kazuhiko Kinjo Yoshikazu Hoshi |
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| Institution: | (1) Fungus/Mushroom Resource and Research Center, Faculty of Agriculture, Tottori University, 4-101 Koyama-Minami, Tottori 680-8553, Japan;(2) The United Graduate School of Agricultural Science, Tottori University, Koyama, Tottori, Japan;(3) Laboratory of Applied Bioresource Science, Department of Bioscience and Biotechnology, Faculty of Agriculture, University of Ryukyus, Senbaru, Nishihara-cho, Okinawa, Japan;(4) Department of Plant Science, School of Agriculture, Tokai University, Kawayou, Minamiaso-mura, Aso-gun, Kumamoto 869-1404, Japan |
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| Abstract: | A new homobasidiomycete, Asterostroma macrosporum, was found in mangrove forests of Iriomote Island, Japan. This species is morphologically characterized by having resupinate
basidiomata, a monomitic (asterodimitic) hyphal system, simple septate generative hyphae, dextrinoid asterosetae, four sterigmate
basidia and globose, tuberculate and amyloid basidiospores measuring 8.5–11 × 7.5–9 μm. It is similar to A. muscicola, but basidiospores in the latter are smaller (7–8 × 5.5–7 μm). Furthermore, phylogenetic analysis using internal transcribed
spacer (ITS) region revealed that A. macrosporum is distinctly separated from A. muscicola. In Japan, A. muscicola is widely distributed in warm-temperate to subtropical regions, growing on a variety of broadleaved trees including mangroves,
while A. macrosporum has been found only on mangroves. |
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| Keywords: | Internal transcribed spacer (ITS) region Taxonomy |
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