Cho Yoonhee, Kim Ji Seon, Dai Yu-Cheng, Gafforov Yusufjon, Lim Young Woon
School of Biological Sciences and Institute of Microbiology, Seoul National University, Seoul, South Korea.
Institute of Microbiology, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing, China.
PeerJ. 2021 Dec 10;9:e12625. doi: 10.7717/peerj.12625. eCollection 2021.
Genus consists of white-rot fungi that grow on both angiosperms and gymnosperms. With resupinate and adnate basidiomes, species have been classified into other resupinate genera for a long time. Upon the integration of molecular assessments, the taxonomy of the genus has been revised multiple times over the years. However, the emendations were poorly reflected in studies and public sequence databases. In the present study, the genus in Korea was evaluated using molecular and morphological analyses of 172 specimens collected in the period of 2011 to 2018. The host types and geographical distributions were also determined for species delimitation. Furthermore, public sequences that correspond to the species in Korea were assessed to validate their identities. Nine species were identified in Korea, with three species new to the country. Morphological differentiation and identification of some species were challenging, but all nine species were clearly divided into well-resolved clades in the phylogenetic analyses. Detailed species descriptions, phylogeny, and a key to species in Korea are provided in the present study. A total of 646 public ITS and nrLSU sequences corresponding to the nine species were found, each with 404 (73.1%) and 57 (61.3%) misidentified or labeled with synonymous names. In many cases, sequences released before the report of new names have not been revised or updated. Revisions of these sequences are arranged in the present study. These amendments may be used to avoid the misidentification of future sequence-based identifications and concurrently prevent the accumulation of misidentified sequences in GenBank.
该属由生长在被子植物和裸子植物上的白腐真菌组成。其担子果呈平伏状且贴生，长期以来该属的物种被归类到其他平伏状属中。随着分子评估方法的整合，多年来该属的分类学已多次修订。然而，这些修订在研究和公共序列数据库中并未得到充分体现。在本研究中，利用2011年至2018年期间采集的172个标本进行分子和形态分析，对韩国的该属真菌进行了评估。还确定了宿主类型和地理分布以进行物种界定。此外，对与韩国该属物种相对应的公共序列进行评估以验证其身份。在韩国鉴定出9种该属真菌，其中3种为该国新记录物种。一些物种的形态分化和鉴定具有挑战性，但在系统发育分析中，所有9个物种都被清晰地划分为分辨率良好的分支。本研究提供了详细的物种描述、系统发育以及韩国该属物种的检索表。共发现646条与这9种该属真菌相对应的公共ITS和nrLSU序列，其中分别有404条（73.1%）和57条（61.3%）被错误鉴定或标记为同义名。在许多情况下，新名称报告之前发布的序列未被修订或更新。本研究对这些序列进行了修订。这些修订可用于避免未来基于序列的鉴定出现错误，并同时防止错误鉴定的序列在GenBank中积累。
