Relationships among three Japanese Laetiporus taxa based on phylogenetic analysis and incompatibility tests
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- Ota Yuko
- Forestry and Forest Products Research Institute
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- Hattori Tsutomu
- Forestry and Forest Products Research Institute
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- Relationships among three Japanese <i>Laetiporus</i> taxa based on phylogenetic analysis and incompatibility tests
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<p>Relationships among three Japanese Laetiporus taxa (“L. sulphureus var. sulphureus” auct. jap., 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 1α, and β-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 “L. sulphureus var. sulphureus”/L. versisporus groups. A morphologically distinct species, Laetiporus versisporus, sharing a clade with “L. sulphureus var. sulphureus” auct. jap., was proved to be an anamorphic form of “L. sulphureus var. sulphureus” auct. jap. The “sulphureus/versisporus” isolates showed two divergent sequence types in each region. Some isolates had intraindividual polymorphism assigned to both sequence types. This finding suggests that speciation via hybridization is ongoing in the “sulphureus/versisporus” group. Single spore isolates from the “sulphureus/versisporus” 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.</p>
収録刊行物
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- Mycoscience
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Mycoscience 49 (3), 168-177, 2008
一般社団法人 日本菌学会
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詳細情報 詳細情報について
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- CRID
- 1390295603315559680
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- NII論文ID
- 10021182620
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- NII書誌ID
- AA11003436
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- ISSN
- 16182545
- 13403540
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- NDL書誌ID
- 9518448
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 使用可