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A new species and new records species of Pluteus from Xinjiang Uygur Autonomous Region, China

文献类型： 外文期刊

作者： Qi, Zheng-xiang 1 ; Qian, Ke-qing 2 ; Hu, Jia-jun 1 ; Wang, Yang 1 ; Wu, Dong-mei 4 ; Gao, Neng 4 ; Jia, Pei-Song 5 ; Zhang, Zhen-hao 1 ; Zhang, Bo 1 ; Li, Yu 1 ;

作者机构： 1.Jilin Agr Univ, Engn Res Ctr Edible & Med Fungi, Minist Educ, Changchun, Jilin, Peoples R China

2.Jilin Agr Univ, Joint Lab Int Cooperat Modern Agr Technol, Minist Educ, Changchun, Jilin, Peoples R China

3.Huanghuai Univ, Coll Biol & Food Engn, Zhumadian, Henan, Peoples R China

4.Xinjiang Acad Agr & Reclamat Sci, Biotechnol Res Inst, Shihezi, Peoples R China

5.Xinjiang Acad Agr Sci, Inst Plant Protect, Urumqi, Peoples R China

关键词： Distribution; New species; A new record; Phylogenetic analysis; Taxonomy

期刊名称：PEERJ （ 影响因子：2.7； 五年影响因子：3.1 ）

ISSN： 2167-8359

年卷期： 2022 年 10 卷

页码：

收录情况： SCI

摘要： Xinjiang Uyghur Autonomous Region in China embraces a unique geographical and ecological environment, and the macrofungi represent a rich resource. However, few studies on the genus Pluteus have been reported from Xinjiang. In 2021, the macrofungal resources in Xinjiang were surveyed, and 10 specimens belonging to the genus Pluteus were collected. Based on the morphological study and molecular analysis, three species were recognized, P. aletaiensis, P. brunneidiscus, and P. hongoi. Pluteus aletaiensis is proposed as a new species. It is characterized by its bright yellow lamellae and stipe, brittle texture, subfusiform to vesicular pleurocystidia, with short pedicels to broadly lageniform to obtuse at apices, a hymeniderm pileipellis, containing dark brown intracellular pigment, and it grows on the ground. Pluteus brunneidiscus, a new record to China, is characterized by uneven, smooth, grayish brown to brown pileus, with an entire margin, and pointed or flatter apices intermediate cystidia, without apical hooks. Pluteus hongoi, a new record to Xinjiang Uyghur Autonomous Region, China, is characterized by the apical hook's structure (commonly bifid) of pleurocystidia. The nuclear internal transcribed spacer (nrITS) and translation elongation factor 1-alpha (TEF1-a) region were used for the molecular analysis. Phylogenetic trees were constructed using both the maximum likelihood analysis (ML) and Bayesian inference (BI). Detailed descriptions of the three species are presented herein. Finally, a key to the list of eight species of the genus Pluteus knew from Xinjiang is provided.

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