Pleosporales » Torulaceae

Neotorula

Neotorula Ariyaw., Z.L. Luo & K.D. Hyde, in H.Y. Su et al., Fungal Diversity 80: 393 (2016).

 Index Fungorum number: IF 551826; Facesoffungi number: FoF 01748, 2 morphological species (Species Fungorum 2022), 2 species with molecular data.

Saprobic on submerged wood. Sexual morph: Unknown. Asexual morph: Colonies on the substratum superficial, effuse, gregarious, hairy, dark brown. Mycelium immersed, composed of septate, branched, thin-walled, smooth, pale brown hyphae. Conidiophores macronematous, mononematous, erect, cylindrical, usually with short branches near the apex, straight or flexuous, dark brown, septate, smooth. Conidiogenous cells tretic, with a distinct pore, integrated, terminal, doliiform or lageniform, subhyaline to pale brown. Conidia acrogenous, in branched chains, dry, clavate to subcylindrical, straight, pale green to brown, septate, verruculose, thin-walled (adapted from Su et al. 2016).

 Type species: Neotorula aquatica Z.L. Luo & K.D. Hyde

Notes: Neotorula is characterised by immersed mycelium, macronematous, mononematous conidiophores, tretic doliiform or lageniform, subhyaline to pale brown conidiogenous cells and acrogenous, clavate to subcylindrical conidia. Neotorula resembles Torula in having clavate to subcylindrical, brown conidia forming in branched chains. However, Neotorula has macronematous, cylindrical and septate conidiophores, while Torula has micronematous conidiophores with one brown supporting cell (Su et al. 2016, Ariyawansa et al. 2015). Hyde et al. (2016) and Su et al. (2016) confirmed the placement of Neotorula in Torulaceae based on phylogenetic analysis. Species of Neotorula can also be differentiated based on the size of the conidia (Dong et al. 2020). Molecular markers of Neotorula available in GenBank are ITS, LSU and SSU.

 

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