Distoseptispora tectonae Doilom & K.D. Hyde Fungal Diversity 81: 222 (2016)

Sun, Yaru, Goonasekara, Ishani D., Thambugala, Kasun M., Jayawardena, Ruvishika S., Wang, Yong & Hyde, Kevin D., 2020, Distoseptispora bambusae sp. nov. (Distoseptisporaceae) on bamboo from China and Thailand, Biodiversity Data Journal 8, pp. 53678-53678 : 53678

Distoseptispora tectonae Doilom & K.D. Hyde Fungal Diversity 81: 222 (2016)

Materials

Type status: Other material. Occurrence: catalogNumber: MFLU 20-0262 ; Taxon: scientificName: Distoseptisporatectonae; class: Sordariomycetes; order: Distoseptisporales; family: Distoseptisporaceae; Location: country: Thailand; stateProvince: Chiangrai; locality: Mae Fah Luang University, Botanical Garden ; verbatimElevation: 390 m

Description

Saprobic on stems of dead wood. Sexual morph: Unknown. Asexual morph: Hyphomycetous (Fig. 3 ). Colonies effuse, brown to dark brown, hairy. Mycelium mostly immersed, composed of brown, septate, branched hyphae. Conidiophores macronematous, mononematous, septate, single or in groups of two, straight or slightly flexuous, cylindrical, dark brown, 34-95 × 5-8 μm (x̅ = 61.5 × 6 μm, n = 15). Conidiogenous cells integrated, terminal, monoblastic, cylindrical, brown. Conidia acrogenous, solitary, straight or slightly flexuous, rostrate, 11-23-distoseptate, differently constricted at the septa, thick-walled, truncate at the base, tapering towards apex, brown at the base, pale brown at the apex, 89-176 μm long (x̅ = 121 μm, n = 25), 12-19 μm at the widest (x̅ = 15 μm, n = 25).

Culture characteristics: Conidia germinated on PDA within 12 hours and germ tubes were produced from both ends. On PDA, colony circular, reaching 40 mm diam after 4 weeks at 26℃, brown from above, dark brown from below, surface flat and slightly rough, edge entire.

Notes

Distoseptispora tectonae was introduced by Hyde et al. (2016), from a terrestrial habitat in Thailand. Distoseptispora tectonae has macronematous, cylindrical, septate conidiophores, monoblastic, integrated, terminal, cylindrical conidiogenous cells and obclavate, straight or slightly curved, septate, smooth conidia. Our collection was also from Thailand. The morphological characters of our collection are the same as in the holotype, except that our isolate has longer and wider conidiophores (34-95 × 5-8 μm vs. up to 40 × 4-6 μm) and less septa (11-23 vs. 20-28), compared to those of D. tectonae MFLUCC 12-0291. In this study, we also provide new sequences for D. tectonae .

Figures

Figure 3. Distoseptispora tectonae (MFLU 20 - 0262). a. Colonies on natural substrate; b. Conidiogenous cell; c - e. Conidiophores and conidia; f - i. Conidia; j. Germinating conidium. Scale bars: b = 10 μm, a, c-j = 50 μm.