Melanodevriesia
Melanodevriesia H.L. Si, W.Q. Cao & T. Bose, in Chang et al., Fungal Systematics and Evolution 9: 4 (2022).
Index Fungorum number: IF 839404; Facesoffungi number: FoF 11077, 1 morphological species (Species Fungorum 2022), 1 species with molecular data.
Endolichenic oleaginous black yeast. Sexual morph: Unknown. Asexual morph: Slow-growing colonies on PDA and OA, black to brownish black in colour. Grows in a yeast-like unicellular state on PDA, producing pseudohyphae by continuous budding. These yeast-like cells have several conspicuous intracellular oil bodies. The thallus on OA and other oligotrophic media is made up of septate straight or corrugated branching hyphae (adapted from Chang et al. 2022).
Type species: Melanodevriesia melanelixiae H.L. Si, W.Q. Cao & T. Bose
Notes: Melanodevriesia is characterised by slow-growing, black to brownish colonies and form yeast-like unicellular budding on PDA. It also forms thallus of septate straight or corrugated branching hyphae on OA and other oligotrophic media. Melanodevriesia is closely related to Xenodevriesia (Xenodevriesiaceae) but differs in having two thallus morphologies namely yeast-like and mycelial, both of which are black to brownish black in color but differs in that Xenodevriesia has a brown mycelial thallus (Crous et al. 2019). Melanodevriesia also differs from Xenodevriesia in producing chlamydospores while the latter genus does not. Melanodevriesia is a distinct and well-defined genus in Xenodevriesiaceae. Molecular data available for Melanodevriesia include LSU and ITS.
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