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Published on: September 6, 2011
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Species diversity, distribution patterns, and substrate specificity of Strobilurus.
Jiao Qin1,2, Egon Horak3, Flavius Popa4
1a Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences , Kunming 650201 , China.
Mycologia
|June 19, 2018
Summary
This study confirms Strobilurus fungi are monophyletic, identifying 13 species, including two new ones from China. Diversification is linked to historical exchanges, vicariance, and substrate specificity.
Area of Science:
- Mycology
- Fungal Taxonomy
- Evolutionary Biology
Background:
- The fungal genus Strobilurus (Physalacriaceae) has ~11 species globally, primarily studied in Europe and North America.
- Previous research lacked genus-specific phylogenetic analysis for Strobilurus.
- Species inhabit conifer cones, Magnolia/Liquidambar fruits, and woody debris.
Purpose of the Study:
- To conduct a genus-specific phylogenetic analysis of Strobilurus using morphological and molecular data.
- To clarify the monophyly, species diversity, substrate specificity, and distribution patterns of Strobilurus.
- To identify new species and understand their evolutionary history.
Main Methods:
- Morphological observations of collected fungal samples.
- Multilocus phylogenetic analyses utilizing five molecular markers.
- Biogeographic analyses to infer diversification drivers.
Main Results:
- Strobilurus was confirmed as a monophyletic group, potentially excluding S. ohshimae.
- A total of 13 species were identified, including two new species from China: S. orientalis and S. pachycystidiatus.
- Species exhibited varying degrees of substrate specificity.
Conclusions:
- The study provides a comprehensive phylogenetic framework for the fungal genus Strobilurus.
- Diversification within Strobilurus is attributed to historical intercontinental exchanges, vicariance events, and host substrate specialization.
- The findings expand the known diversity and geographic distribution of Strobilurus fungi.
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