Phylogenomics, divergence times and notes of orders in Basidiomycota
2024
He, Mao-Qiang | Cao, Bin | Liu, Fei | Boekhout, Teun | Denchev, Teodor T. | Schoutteten, Nathan | Denchev, Cvetomir M. | Kemler, Martin | P?rez Gorj?n, Sergio | Begerow, Dominik | Valenzuela, Ricardo | Davoodian, Naveed | Niskanen, Tuula | Vizzini, Alfredo | Redhead, Scott A. | Ram?rez Cruz, Virginia | Papp, Viktor | al., et.
[EN]Basidiomycota is one of the major phyla in the fungal tree of life. The outline of Basidiomycota provides essential taxonomic information for researchers and workers in mycology. In this study, we present a time-framed phylogenomic tree with 487 species of Basidiomycota from 127 families, 47 orders, 14 classes and four subphyla; we update the outline of Basidiomycota based on the phylogenomic relationships and the taxonomic studies since 2019; and we provide notes for each order and discuss the history, defining characteristics, evolution, justification of orders, problems, significance, and plates. Our phylogenomic analysis suggests that the subphyla diverged in a time range of 443?490 Myr (million years), classes in a time range of 312?412 Myr, and orders in a time range of 102?361 Myr. Families diverged in a time range of 50?289 Myr, 76?224 Myr, and 62?156 Myr in Agaricomycotina, Pucciniomycotina, and Ustilaginomycotina, respectively. Based on the phylogenomic relationships and divergence times, we propose a new suborder Mycenineae in Agaricales to accommodate Mycenaceae. In the current outline of Basidiomycota, there are four subphyla, 20 classes, 77 orders, 297 families, and 2134 genera accepted. When building a robust taxonomy of Basidiomycota in the genomic era, the generation of molecular phylogenetic data has become relatively easier. Finding phenotypical characters, especially those that can be applied for identification and classification, however, has become increasingly challenging.
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