Journal
NOVA HEDWIGIA
Volume 103, Issue 1-2, Pages 265-278Publisher
GEBRUDER BORNTRAEGER
DOI: 10.1127/nova_hedwigia/2016/0350
Keywords
Aphanobasidium; phylogenetic analysis; Radulomyces; taxonomy; wood-rotting fungi
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Funding
- National Natural Science Foundation of China [31372115]
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A new poroid wood-inhabiting fungal genus, Radulotubus, is proposed to accommodate the type species R. resupinatus sp. nov. based on morphological and molecular evidence. The genus is characterized by an annual and resupinate basidiocarps, white to cream pores when fresh, darkening after bruising and drying, a monomitic hyphal system with clamped generative hyphae, pleural basidia, and globose, hyaline, thin- to slightly thick-walled, smooth, basidiospores without reactions in Melzer's reagent and Cotton Blue. The phylogenetic analyses based on ITS and nLSU sequences showed that Radulotubus belonged to the Pterulaceae Glade in Agaricales, and was closely related to Aphanobasidium and Radulomyces that included species with smooth to hydnoid hymenophore. Radulotubus is the sole genus with poroid hymenophore in Pterulaceae.
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