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Complete mitochondrial genome of Pleurocordyceps sinensis (Hypocreales, Ascomycota), a species with uncertain family-level taxonomic assignment

文献类型： 外文期刊

作者： Li, Yi 1 ; Lin, Jie 3 ; Wang, Yong-Hui 4 ; Wang, Ke 2 ; Wang, Ren-Lei 3 ; Zhao, Xin-Chang 1 ; Yao, Yi-Jian 2 ;

作者机构： 1.Yangzhou Univ, Sch Food Sci & Engn, Yangzhou, Peoples R China

2.Chinese Acad Sci, Inst Microbiol, State Key Lab Mycol, Beijing, Peoples R China

3.Jiangsu Second Normal Univ, Coll Life Sci & Chem, Jiangsu Key Lab Biofunct Mol, Nanjing, Peoples R China

4.Shandong Acad Agr Sci, Inst Agr Resource & Environm, Jinan, Peoples R China

关键词： Cordyceps; hyperparatisism; Polycephalomyces sinensis; taxonomy

期刊名称：QUALITY ASSURANCE AND SAFETY OF CROPS & FOODS （ 影响因子：1.672； 五年影响因子：1.4 ）

ISSN： 1757-8361

年卷期： 2022 年 14 卷 4 期

页码：

收录情况： SCI

摘要： The complete mitochondrial (mt) genome of the ex-type strain of Pleurocordyceps sinensis, a fungus originally isolated from Ophiocordyceps sinensis, was sequenced, and assembled as a single circular DNA of 31,841 bp. The mt genome encoded 15 conserved proteins (rps3, cox1, cox2, cox3, cob, atp6, atp8, atp9, nad1, nad2, nad3, nad4, nad4L, nad5, and nad6), 2 rRNA (rnl and rns), and 25 tRNA, as well as 10 additional non-conserved open reading frames (ncORFs). Comparative analyses showed that mt genomes within the order Hypocreales encoded the same number and synteny of conserved protein coding genes despite an obvious size variation among this group of fungi. Phylogenetic analyses using 14 conserved protein sequences revealed that this fungus may not belong to the current designated family Ophiocordycipitaceae but is more closely related to the species of Clavicipitaceae. The mt genome presented herein would give valuable information on reconstructing the evolutionary history of clavi-cipitaceous fungi and also aid in resolving the family-level taxonomic assignment of Polycephalomyces s. l. species.

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