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. 2023 Aug 7:99:1-24.
doi: 10.3897/mycokeys.99.106699. eCollection 2023.

Two novel species and three new records of Torulaceae from Yunnan Province, China

Wen-Peng Wang  1 , Hong-Wei Shen  1   2 , Dan-Feng Bao  1   2 , Yong-Zhong Lu  3 , Qiu-Xia Yang  1 , Xi-Jun Su  1 , Zong-Long Luo  1
Affiliations

Two novel species and three new records of Torulaceae from Yunnan Province, China

Wen-Peng Wang et al. MycoKeys. .

Abstract

While investigating the diversity of lignicolous fungi in Yunnan Province, China, six fresh collections of Torulaceae were collected and identified based on morphological examination and phylogenetic analyses of combined LSU, ITS, SSU, tef1-α, and rpb2 sequence data. Two new species, viz. Neopodoconisyunnanensis and Torulasuae, and three new records, viz. T.canangae (new freshwater habitat record), T.masonii (new host record), and T.sundara (new freshwater habitat record) are reported. Detailed descriptions, illustrations, and a phylogenetic tree to show the placement of these species are provided.

Keywords: 2 new species; Pleosporales; lignicolous fungi; morphology; multigene phylogeny.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Figure 1.
Figure 1.
The maximum likelihood (ML) tree based on combined LSU, ITS, SSU, tef1-α, and rpb2 sequence data. Bootstrap support values with an ML greater than 75% and Bayesian posterior probabilities (PP) greater than 0.95 are given above the nodes, shown as “ML/PP”. The tree is rooted with Occultibambusabambusae (MFLUCC 13–0855) and Neooccultibusathailandensis (MFLUCC 16–0274). New species and collections are indicated in red; while the type strains are in bold black.
Figure 2.
Figure 2.
Neopodoconisyunnanensis (KUN-HKAS 121702, holotype) A, B fungal structures on the substratum C conidiophore with conidia on the stroma D conidiophore with conidia E–G conidiogenous cells H–M conidia N germinating conidium. Scale bars: 150 μm (C, D), 20 μm (E–G), 50 μm (H–N).
Figure 3.
Figure 3.
Torulacanangae (KUNCC 22-12432) A fungal structure on the substratum B–D conidiogenous cells E conidiogenous cells with conidia F–K conidia L germinating conidium M, N colonies on PDA from surface and reverse. Scale bars: 10 μm (B–D), 15 μm (E), 30 μm (F–H), 50 μm (I–K), 100 μm (L).
Figure 4.
Figure 4.
Torulamasonii (KUNCC 22-12429) A fungal structure on the substratum C–F conidiophore with conidiogenous cells B, G–O conidia P germinating conidium Q, R colonies on PDA from surface and reverse. Scale bars: 20 μm (B), 10 μm (C–N), 25 μm (O, P)
Figure 5.
Figure 5.
Torulasuae (KUN-HKAS 124620, holotype) A fungal structure on the substratum C, D Conidiophores with conidiogenous cells B, E–I conidia J germinating conidium K, L colonies on PDA from surface and reverse. Scale bars: 60 μm (B), 10 μm (C–F), 20 μm (G, H), 30 μm (I, J).
Figure 6.
Figure 6.
Torulasundara (KUNCC 22-12431) A fungal structure on the substratum B, C mycelium, conidiophore and conidia D–F conidiophore, conidiogenous cells with conidia G–I short conidia J–L long conidia M germinating conidium N, O colonies on PDA from surface and reverse. Scale bars: 40 μm (B, G), 15 μm (C), 20 μm (D-F, H, I, M), 50 μm (J–L).
See this image and copyright information in PMC

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