Lijiangomyceslaojunensis gen. et sp. nov. (Mytilinidiaceae), and Sclerococcumstictae (Dactylosporaceae), a new lichenicolous species from Yunnan, China.

IF 2.8 2区生物学 Q2 MYCOLOGY

Mycokeys Pub Date : 2025-03-04 eCollection Date: 2025-01-01 DOI:10.3897/mycokeys.114.146031

Qingfeng Meng, Paul Diederich, Vinodhini Thiyagaraja, Damien Ertz, Xinyu Wang, Natsaran Saichana, Kevin D Hyde, Ruvishika S Jayawardena, Shaobin Fu

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Abstract

Lijiangomyceslaojunensis gen. et sp. nov. and Sclerococcumstictae sp. nov. are reported from China and identified through DNA sequence analyses (LSU, ITS, and tef1-α) and morphological characteristics. Phylogenetic analysis showed that L.laojunensis forms a distinct lineage within Mytilinidiaceae, closely related to the Mytilinidion subclade, leading to the establishment of a new genus within this family. This saprotrophic species grows on the bark of Abiesfabri, often surrounded by the thallus of Pertusaria species. Lijiangomyceslaojunensis is characterized by broadly open, black hysterothecia, clavate asci, and uniseriate, hyaline muriform ascospores. Sclerococcumstictae, a new lichenicolous species, forms a sister clade relationship to a lichenicolous fungus, S.ricasoliae. It was found on the thallus of Sticta, and is characterized by black apothecia, elongate, cylindrical asci, and brown, elliptical, and 1-septate ascospores. Descriptions, illustrations, and phylogenetic analysis results of the new taxa are provided.

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Lijiangomyceslaojunensis gen. et sp. 11 . (mytillinidiaceae), and Sclerococcumstictae (Dactylosporaceae)，云南地衣新种。

报道了来自中国的Lijiangomyceslaojunensis gen. et sp. 11和Sclerococcumstictae sp. 11 .，并通过DNA序列分析（LSU、ITS和tef1-α）和形态特征对其进行了鉴定。系统发育分析表明，L.laojunensis在Mytilinidion科中形成了一个独特的分支，与Mytilinidion亚支密切相关，从而在该科中建立了一个新属。这种腐殖性植物生长在abesfabri的树皮上，通常被百日咳种的菌体所包围。丽江老君菌的特征是宽开的黑色子宫鞘，棍棒状的子囊孢子和单叶的透明多形子囊孢子。地衣真菌Sclerococcumstictae是地衣真菌的一个新种，与地衣真菌S.ricasoliae有亲缘关系。它发现于刺藤的菌体上，其特征是黑色的药囊，细长的圆柱形子囊孢子和棕色的椭圆形的单隔子囊孢子。文中给出了新分类群的描述、图解和系统发育分析结果。

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来源期刊

Mycokeys MYCOLOGY-

CiteScore

5.90

自引率

12.10%

发文量

审稿时长

6 weeks

期刊介绍： MycoKeys is a peer-reviewed, open-access, online and print, rapidly produced journal launched to support free exchange of ideas and information in systematics and biology of fungi (including lichens). All papers published in MycoKeys can be freely copied, downloaded, printed and distributed at no charge for the reader. Authors are thus encouraged to post the pdf files of published papers on their homepages or elsewhere to expedite distribution. There are no restrictions nor charge for color.

﻿Lijiangomyceslaojunensis gen. et sp. nov. (Mytilinidiaceae), and Sclerococcumstictae (Dactylosporaceae), a new lichenicolous species from Yunnan, China.

Abstract

Lijiangomyceslaojunensis gen. et sp. nov. (Mytilinidiaceae), and Sclerococcumstictae (Dactylosporaceae), a new lichenicolous species from Yunnan, China.