Distoseptisporales » Distoseptisporaceae » Distoseptispora

Distoseptispora yichunensis

Distoseptispora yichunensis

Y.F. Hu & Jian Ma, Microbiol. Spectrum 11 (6): e0246823, 13 (2023)

 

Classification: Ascomycota-Pezizomycotina-Sordariomycetes-Distoseptisporales- Distoseptispora-Distoseptispora

 

Host species: Livistona chinensis (Xiong et al. 2025)

 

Known distribution: China (Xiong et al. 2025), Thailand (Dong et al. 2021).

 

IF Number: IF849135      Mycobank Number: 849135     FOF Number: FoF ***

 

Description

Saprobic on dead leaf sheath of Livistona chinensis. Asexual morph: Hyphomycetous. Colonies on natural substrate effuse, brown, and hairy. Mycelium superficial, hyaline hyphae. Conidiophores 25–48 × 9–10 μm (x̅ = 36.6 × 9.3 μm, n = 15), macronematous, mononematous, solitary, straight or flexuous, septate, unbranched, smooth, cylindrical, and brown to dark brown. Conidiogenous cells 9–10.5 × 6–8 μm (x̅ = 9.6 × 6.9 μm, n = 15), monoblastic, integrated, terminal, cylindrical, determinate, pale brown to brown, smooth. Conidia 60–120 × 17–23 μm (x̅ = 93.9 × 19.6 μm, n = 25), acrogenous, solitary, obclavate, straight or curved, pale brown to brown (18–)34–45(–52)-distoseptate, smooth, truncate at the base, rounded at the apex. Sexual morph: Not observed.

 

Culture conditions: Colonies on PDA after 2 weeks reaching 8–9 cm diam., at 25°C, circular, surface velvety, with brown, denser mycelium at the center, becoming black at the entire margin; reverse dark brown to black.

Distoseptispora yichunensis (MHZU 24-0484, new host record). a, b Colonies on the substrate surface. c–e Conidiophores with conidiogenous cells. f–h Conidia. i The front of culture on PDA at 25℃ and the reverse of culture on PDA at 25℃. Scale bars: c, f, g = 50 µm, d, e = 10 µm, h = 20 µm.

 

Reference

Hu YF, Liu JW, Luo XX, Xu ZH et al (2023) Multilocus phylogenetic analyses reveal eight novel species of Distoseptispora from southern China. Microbiol Spectr 11:e02468–02423. https://doi.org/10.1128/spectrum.02468-23

Xiong, Y. R., Lu, L., Mapook, A., Maharachchikumbura, S. S. N., McKenzie, E. H. C., Kevin, D. H., Manawasinghe, I. S. (2025) Fungal Safari on Palm Trees: New Discoveries from East Asia and 1990-2025 Years of Global Records [Manuscript preparation]. Fungal Diversity.

 

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