Pleosporales » Occultibambusaceae

Brunneofusispora

Brunneofusispora S.K. Huang & K.D. Hyde, in Phookamsak et al., Fungal Diversity: 10.1007/s13225-019-00421-w, [36] (2019).

Index Fungorum number: IF 555599; Facesoffungi number: FoF 04862, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.

Saprobic on dead wood. Sexual morph: Ascomata solitary to scattered, immersed, eventually erumpent, globose to subglobose, uniloculate, glabrous, dark brown to black, ostiolate, with long beak. Peridium composed of brown to hyaline pseudoparenchymatous cells of textura angularis. Hamathecium composed of numerous, filamentous, septate pseudoparaphyses, embedded in a gelatinous matrix. Asci 8-spored, bitunicate, fissitunicate, cylindrical to clavate, short pedicellate, rounded at the apex, with an ocular chamber. Ascospores overlapping 2-seriate, hyaline to brown, broadly fusiform, uniseptate, constricted at the septum, smooth-walled, with guttules, surrounded by a mucilaginous sheath. Asexual morph: Unknown (adapted from Phookamsak et al. 2019).

Type species: Brunneofusispora sinensis S.K. Huang & K.D. Hyde

Notes: Brunneofusispora is characterised by solitary to scattered, immersed ascomata, fissitunicate, cylindrical to clavate asci, and broadly fusiform, uniseptate ascospores. Brunneofusispora is similar to Neooccultibambusa in being saprobic on woody plants and forming globose to subglobose ascomata, but the former differs from Neooccultibambusa in having a long prominent neck (Doilom et al. 2017, Phookamsak et al. 2019). Brunneofusispora also resembles Lophiotrema in having cylindrical, cylindric-clavate asci and fusiform ascospores, but Brunneofusispora has globose to subglobose ascomata, with a long prominent neck. The ideal molecular markers to differentiate species of Brunneofusispora are ITS, RPB2 and TEF1-a. Brunneofusispora is morphologically and phylogenetically a distinct genus in Occultibambusaceae. Molecular markers available for Brunneofusispora are ITS, LSU, SSU, RPB2 and TEF-1.

 

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