Neocurreya
Neocurreya Thambug. & K.D. Hyde, in Thambugala et al., Fungal Diversity: 10.1007/s13225-015-0348-3, [51] (2015).
Index Fungorum number: IF 551268; Facesoffungi number: FoF 00836, 5 morphological species (Species Fungorum 2022), 5 species with molecular data.
Saprobic on twigs and branches or leaves. Sexual morph: Ascomata solitary or aggregated, immersed, becoming erumpent to superficial, coriaceous, subglobose or pyriform to obclavate, dark brown, with broad, rounded opening, with a long neck, ostiolate. Ostiole central, central, periphysate, with a pore-like opening. Peridium comprising 2-layers, outer layer composed of brown, thick-walled cells, inner layer consisting of a few layers of hyaline, thin-walled, compressed cells of textura angularis. Hamathecium comprising 1–2μm wide, branched, septate, filamentous, anastomosing pseudoparaphyses, embedded in a gelatinous matrix. Asci bitunicate, fissitunicate, cylindrical, pedicellate, apically rounded, with an ocular chamber, slightly elongated or inflated at the apex. Ascospores uni to bi-seriate, brown to dark brown, elliptical, broadly fusiform or ovoid, with the one end pointed and the other obtuse, muriform, 3–4(–5)-transversely septate, with one vertical septum in median cells, end cells without septa or with a Y-form pair of septa, one longitudinal or oblique septum, smooth-walled, lacking a mucilaginous sheath. Asexual morph: Conidiomata pycnidial, subepidermal, substromatal, dark brown to black, globose or subglobose, ostiolate. Conidiomata wall several-layered, hyaline to brown cells of textura angularis. Conidiophores hyaline, 0–2-septate and branched at the base. Conidiogenous cells discrete, smooth, indeterminate, cylindrical, hyaline to pale brown, branched, conidiogenesis holoblastic, proliferating 1–3 times percurrently, arising from the inner cells of the pycnidial wall. Conidia ellipsoidal or ellipsoidal to oblong, aseptate, pale to dark brown, smooth-walled (adapted from Thambugala et al. 2015).
Type species: Neocurreya austroafricana (Marinc., M.J. Wingf. & Crous) Thambugala & K.D. Hyde
Notes: Neocurreya is characterised by solitary or aggregated, immersed ascomata, cylindrical, pedicellate, apically rounded asci and brown to dark brown, elliptical, broadly fusiform or ovoid, 3–4(–5)-transversely septate ascospores. Neocurreya austroafricana was previously introduced as Curreya austroafricana but was not congeneric with the type species of Curreya, C. conorum. In the phylogenetic analysis of Thambugala et al. (2015) based on LSU, SSU, ITS and TEF-1 sequence data, Neocurreya austroafricana formed a distinct lineage in Floricolaceae. Neocurreya differs from other members in Floricolaceae in having immersed to superficial, pyriform to obclavate ascomata, with long necks and periphysate ostioles, filamentous pseudoparaphyses, and brown to dark brown, broadly fusiform or ovoid to elliptical, muriform ascospores lacking a mucilaginous sheath (Thambugala et al. 2015). Jaklitsch et al. (2016) did not agree with Thambugala et al. (2015) and synonymized Neocurreya to Teichospora and broadened the generic concept of Teichosporaceae. Hongsanan et al. (2020a) did not follow Jaklitsch et al. (2016) and listed Neocurreya in Pleosporales genera incertae sedis. We follow Hongsanan et al. (2020a) and retain Neocurreya in Pleosporales genera incertae sedis until further research is carried out. Neocurreya may warrant familial rank. Fresh collections and more taxa with DNA sequence data is needed to confirm the taxonomic placement of the genus. Molecular markers available for Neocurreya are ITS and LSU.
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