@ARTICLE{TreeBASE2Ref16898, author = {Takashi Oda and Chihiro Tanaka and Mitsuya Tsuda}, title = {Molecular phylogeny and biogeography of the widely distributed Amanita species, A. muscaria and A. pantherina}, year = {2004}, keywords = {}, doi = {}, url = {}, pmid = {}, journal = {Mycological Research}, volume = {}, number = {}, pages = {}, abstract = {The molecular phylogeny and biogeography of two widely distributed Amanita species,A.muscaria and A.pantherina, were studied based on specimens from diverse localities.Analyses of both a partial sequence of the ITS region of nuclear DNA and a partial sequence of the b tubulin gene were able to resolve specimens of each species.Analyses revealed a greater divergence of the b tubulin region than the ITS region.Based on molecular phylogeny of the combination of the ITS and b tubulin regions,A.muscaria could be separated into at least three groups (Eurasian,Eurasian subalpine,and North American),and A.pantherina could be separated into at least two groups (North American and Eurasian).We hypothesize that the speciation of A.muscaria occurred in Eurasia with subsequent migration to North America via land bridges.However,it is impossible to determine whether A.pantherina moved from Eurasia to North America or vice versa .For both A.muscaria and A.pantherina ,the intracontinental relationships of both Eurasia and North America were closer than the relationships between eastern Asia and eastern North America.} }

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