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The genus Laetiporus (Basidiomycota, Polyporales) in East Asia |
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| Authors: | Yuko Ota Tsutomu Hattori |
| Affiliation: | a Forestry and Forest Products Research Institute, 1 Matsunosato, Tsukuba, Ibaraki 305-8687, Japan b Kansai Research Center, Forestry and Forest Products Research Institute, Kyoto 612-0855, Japan c Center for Forest Mycology Research, USDA Forest Service, 1 Gifford Pinchot Drive, Madison, WI 53726-2398, USA d Institute for Epidemiology and Pathogen Diagnostics, Julius Kühn-Institute, Federal Research Center for Cultivated Plants, Königin-Luise-Straße 19, 14195 Berlin, Germany e Graduate School of Life and Environmental Sciences, University of Tsukuba, Ibaraki 305-8577, Japan f Hokkaido Forestry Research Institute, Bibai, Hokkaido 079-0198, Japan g College of Bioresource Sciences, Nihon University, Fujisawa, Kanagawa 252-8510, Japan |
| Abstract: | Relationships among East Asian, North American and European Laetiporus sulphureus s. lat., a cosmopolitan brown rot species complex, were assessed with phylogenetic analyses and incompatibility tests. Three East Asian taxa, Laetiporus cremeiporus sp. nov., Laetiporus montanus and Laetiporus versisporus, are described and illustrated as well as compared with related taxa from Southeast Asia, North America and Europe. Phylogenetic analyses showed that L. cremeiporus and L. versisporus are clearly distinct species among Laetiporus taxa. The three conifer inhabiting species, Laetiporus conifericola, Laetiporus huroniensis and L. montanus, are closely related to each other. The European population of L. montanus exhibits two sequence variants of the EF1α: one is the same as observed in L. sulphureus in Europe and the other is that observed in East Asian population of L. montanus. A key to the known species of Laetiporus in the northern hemisphere is provided. |
| Keywords: | EF1α Internal transcribed spacer Mating tests Polypores Taxonomy |
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