Brachysporiella
Brachysporiella Bat., in Batista & Vital, Bol. Secr. Agric. (Pernambuco) 19(1-2): 108 (1952).
Index Fungorum number: IF 7443; Facesoffungi number: FoF xx, 11 morphological species (Species Fungorum 2022), 1 species with molecular data.
Saprobic on host. Asexual morph: Mycelium immersed and superficial, composed of septate, straight to sinuous, brown, smooth hyphae. Conidiophores macronematous, irregularly branched, erect, cylindrical, brown, smooth. Conidiogenous cells integrated, terminal, mono- and polyblastic, cylindrical to clavate, brown, smooth-walled. Conidia solitary, 2–4-septate, covered with a mucilaginous sheath, obovoid, clavate to pyriform, with a base rounded or truncate, brown, upper cell darker, smooth, often with a portion of the conidiogenous cell attached to the base of the conidia when these are released. Sexual morph: Unknown (Adapted from Hernández-Restrepo et al. 2017).
Type species: Brachysporiella gayana Bat.
Notes: Brachysporiella was introduced by Batista (1952) with B. gayana as type species. Brachysporiella is characterized by immersed and superficial mycelium, macronematous, irregularly branched, erect, cylindrical, brown conidiophores, solitary, 2–4-septate conidia surround by a mucilaginous sheath. Brachysporiella resembles Monotosporella in having basal rhizoids, and subglobose conidia but the relationship between these two genera is doubtful Hughes (1958). Ellis (1959) considered Monotosporella as a synonym of Brachysporiella Unfortunately, the type material of both genera is lost and not available for re-examination. Réblová et al. (2016) transferred M. setosa to Pleurotheciales (Sordariomycetes) while some other monotosporella-like asexual morphs are reported for Ascotaiwania species (Ranghoo and Hyde 1998; Sivichai et al. 1998). In the phylogenetic study of Hernández-Restrepo et al. (2017), Brachysporiella navarrica formed a sister lineage with members of the family Kirschsteiniotheliaceae and the authors considered Brachysporiella and Monotosporella as two distinct genera. The taxonomic status of Brachysporiella is still doubtful and is currently placed in Kirschsteiniotheliales genera incertae sedis. Brachysporiella may warrant familial rank. More taxa with DNA sequence data are needed to confirm the taxonomic placement of the genus. LSU and ITS sequence data is available for Brachysporiella navarrica.
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