Pseudobambusicola
Pseudobambusicola Hern.-Restr. & Crous, in Rupcic et al., MycoKeys 33: 9 (2018).
Index Fungorum number: IF 824299; Facesoffungi number: FoF 05036, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Mycelium composed of hyaline to pale brown, septate, smooth to slightly verruculose, hyphae. Sexual morph: Unknown. Asexual morph: Conidiomata pycnidial, semi- or entirely immersed in the agar, solitary or aggregated, erumpent, globose with a neck, opening via central ostiole, dark brown, surrounded by dark brown, smooth to slightly verruculose hyphae, at the base globose to subglobose, thick-walled cells often present. Conidiophores reduced to conidiogenous cells. Conidiogenous cells phialidic with periclinal thickening at the conidiogenous locus, subcylindrical to ampulliform, hyaline, smooth. Conidia exposed in white, mucous drops at the ostioles of the pycnidia, composed by macro- and microconidia. Macroconidia produced in white, mucous heads, solitary, fusoid-ellipsoid, apex bluntly to subobtusely rounded, tapering to a distinctly truncate base, prominently guttulate, hyaline, smooth, 0–3-septate. Microconidia produced in the same pycnidia as macroconidia, solitary, oblong to cuneiform, non-guttulate to slightly guttulate, hyaline, smooth, aseptate. Chlamydospores brown, terminal at the tips of vegetative hyphae, in chains (adapted from Rupcic et al. 2018).
Type species: Pseudobambusicola thailandica Hern. -Restr. & Crous
Notes: Pseudobambusicola is characterised by solitary or aggregated, erumpent, globose conidiomata, subcylindrical to ampulliform, hyaline, smooth conidiogenous cells, conidia composed of macro- and microconidia. Pseudobambusicola is unique in producing two kinds of conidia. Pseudobambusicola is morphologically similar to Bambusicola, but Bambusicola produces brown or pale brown conidia and annellidic conidiogenous cells while Pseudobambusicola produces phialidic conidiogenous cells and hyaline conidia (Dai et al. 2012, 2017). Pseudobambusicola also resembles Neobambusicola in having pycnidial conidiomata and phialidic conidiogenous cells that produce fusoid-ellipsoid and subcylindrical microconidia but differs in that Pseudobambusicola produces macroconidia while Neobambusicola produces only microconidia. Pseudobambusicola is a distinct genus in Sulcatisporaceae. Molecular markers available for Pseudobambusicola are ITS, LSU, SSU, RPB2 and TEF-1.
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