@ARTICLE{TreeBASE2Ref16948, author = {Yuko Ota and Tsutomu Hattori}, title = {Relationships among three Japanese Laetiporus taxa based on phylogenetic analysis and incompatibility tests}, year = {2008}, keywords = {}, doi = {}, url = {}, pmid = {}, journal = {Mycoscience}, volume = {}, number = {}, pages = {}, abstract = {Relationships among three Japanese Laetiporus taxa (eL. sulphureus var. sulphureusf auct Japan, L. sulphureus var. miniatus and L. versisporus) were assessed with phylogenetic analysis and incompatibility tests. Gene phylogenies inferred from the internal transcribed spacer region of nuclear ribosomal DNA, elongation factor 1 ? and ?-tubulin gene regions suggested that Japanese Laetiporus was divided into four groups: the yellow pore form of L. sulphureus var. miniatus, the white pore form of L. sulphureus var. miniatus, and two eL. sulphureus var. sulphureusf/ L. versisporus groups. A morphologically distinct species, Laetiporus versisporus, sharing a clade with eL. sulphureus var. sulphureusf auct Japan, was proved to be an anamorphic form of eL. sulphureus var. sulphureusf auct Japan. The esulphureus/versisporusf isolates showed two divergent sequence types in each region. Some isolates had intra-individual polymorphism assigned to both sequence types. This suggests that speciation via hybridization is ongoing in the esulpureus/versisporusf group. Single spore isolates from the esulpureus/versisporusf group, white pore group and yellow pore group were incompatible with each other. Our results provided strong support for the new recognition of three Laetiporus taxa in Japan.} }

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