Reassessment of <i>Dyfrolomyces</i> and Four New Species of <i>Melomastia</i> from Olive (<i>Olea europaea</i>) in Sichuan Province, China
<i>Pleurotremataceae</i> species are saprobes on decaying wood in terrestrial, mangrove, and freshwater habitats. The generic boundary of the family has traditionally been based on morphology. All genera of <i>Pleurotremataceae</i> have a high degree of morphological overlap,...
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MDPI AG
2022-01-01
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| Series: | Journal of Fungi |
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| Online Access: | https://www.mdpi.com/2309-608X/8/1/76 |
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| author | Wen-Li Li Sajeewa S. N. Maharachchikumbura Ratchadawan Cheewangkoon Jian-Kui Liu |
| author_facet | Wen-Li Li Sajeewa S. N. Maharachchikumbura Ratchadawan Cheewangkoon Jian-Kui Liu |
| author_sort | Wen-Li Li |
| collection | DOAJ |
| description | <i>Pleurotremataceae</i> species are saprobes on decaying wood in terrestrial, mangrove, and freshwater habitats. The generic boundary of the family has traditionally been based on morphology. All genera of <i>Pleurotremataceae</i> have a high degree of morphological overlap, of which the generic circumscription of <i>Melomastia</i> and <i>Dyfrolomyces</i> has not been well resolved. Thus, the delimitation of genera has always been challenging. <i>Melomastia</i> traditionally differs from <i>Dyfrolomyces</i> in having 2-septate, oblong, with obtuse-ends ascospores. These main characteristics have been used to distinguish <i>Melomastia</i> from <i>Dyfrolomyces</i> for a long time. However, the above characteristics sometimes overlap among <i>Dyfrolomyces</i> and <i>Melomastia</i> species. Based on the morphology and multigene phylogeny with newly obtained data, we synonymized <i>Dyfrolomyces</i> under <i>Melomastia</i> following up-to-date results. Four novel species (i.e., <i>Melomastia fusispora</i>, <i>M. oleae</i>, <i>M. sichuanensis</i> and <i>M. winteri</i>) collected from the dead branches of <i>Olea europaea</i> L. in Chengdu Olive Base, Sichuan Province in China are introduced based on detailed morphological characterization and phylogenetic analyses of sequences based on nuclear ribosomal (LSU and SSU) and protein-coding gene (<i>tef1-α</i>). The 11 new combinations proposed are <i>Melomastia aquatica</i> (=<i>Dyfrolomyces aquaticus</i>), <i>M. chromolaenae</i> (=<i>D. chromolaenae</i>), <i>M. distoseptata</i> (=<i>D. distoseptatus</i>), <i>M. mangrovei</i> (=<i>D. mangrovei</i>), <i>M. marinospora</i> (=<i>D. marinosporus</i>), <i>M. neothailandica</i> (=<i>D. neothailandicus</i>), <i>M. phetchaburiensis</i> (=<i>D. phetchaburiensis</i>), <i>M. sinensis</i> (=<i>D. sinensis</i>), <i>M. thailandica</i> (=<i>D. thailandica</i>), <i>M. thamplaensis</i> (=<i>D. thamplaensis</i>) and <i>M. tiomanensis (</i>=<i>D. tiomanensis)</i>. |
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| spelling | doaj.art-404dcc4af93a4ddb8750e2949faa9a502023-11-23T14:18:39ZengMDPI AGJournal of Fungi2309-608X2022-01-01817610.3390/jof8010076Reassessment of <i>Dyfrolomyces</i> and Four New Species of <i>Melomastia</i> from Olive (<i>Olea europaea</i>) in Sichuan Province, ChinaWen-Li Li0Sajeewa S. N. Maharachchikumbura1Ratchadawan Cheewangkoon2Jian-Kui Liu3Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, ChinaCenter for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, ChinaDepartment of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, ThailandCenter for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, China<i>Pleurotremataceae</i> species are saprobes on decaying wood in terrestrial, mangrove, and freshwater habitats. The generic boundary of the family has traditionally been based on morphology. All genera of <i>Pleurotremataceae</i> have a high degree of morphological overlap, of which the generic circumscription of <i>Melomastia</i> and <i>Dyfrolomyces</i> has not been well resolved. Thus, the delimitation of genera has always been challenging. <i>Melomastia</i> traditionally differs from <i>Dyfrolomyces</i> in having 2-septate, oblong, with obtuse-ends ascospores. These main characteristics have been used to distinguish <i>Melomastia</i> from <i>Dyfrolomyces</i> for a long time. However, the above characteristics sometimes overlap among <i>Dyfrolomyces</i> and <i>Melomastia</i> species. Based on the morphology and multigene phylogeny with newly obtained data, we synonymized <i>Dyfrolomyces</i> under <i>Melomastia</i> following up-to-date results. Four novel species (i.e., <i>Melomastia fusispora</i>, <i>M. oleae</i>, <i>M. sichuanensis</i> and <i>M. winteri</i>) collected from the dead branches of <i>Olea europaea</i> L. in Chengdu Olive Base, Sichuan Province in China are introduced based on detailed morphological characterization and phylogenetic analyses of sequences based on nuclear ribosomal (LSU and SSU) and protein-coding gene (<i>tef1-α</i>). The 11 new combinations proposed are <i>Melomastia aquatica</i> (=<i>Dyfrolomyces aquaticus</i>), <i>M. chromolaenae</i> (=<i>D. chromolaenae</i>), <i>M. distoseptata</i> (=<i>D. distoseptatus</i>), <i>M. mangrovei</i> (=<i>D. mangrovei</i>), <i>M. marinospora</i> (=<i>D. marinosporus</i>), <i>M. neothailandica</i> (=<i>D. neothailandicus</i>), <i>M. phetchaburiensis</i> (=<i>D. phetchaburiensis</i>), <i>M. sinensis</i> (=<i>D. sinensis</i>), <i>M. thailandica</i> (=<i>D. thailandica</i>), <i>M. thamplaensis</i> (=<i>D. thamplaensis</i>) and <i>M. tiomanensis (</i>=<i>D. tiomanensis)</i>.https://www.mdpi.com/2309-608X/8/1/7615 new taxaDothideomycetesmorphologymultigenephylogeny |
| spellingShingle | Wen-Li Li Sajeewa S. N. Maharachchikumbura Ratchadawan Cheewangkoon Jian-Kui Liu Reassessment of <i>Dyfrolomyces</i> and Four New Species of <i>Melomastia</i> from Olive (<i>Olea europaea</i>) in Sichuan Province, China Journal of Fungi 15 new taxa Dothideomycetes morphology multigene phylogeny |
| title | Reassessment of <i>Dyfrolomyces</i> and Four New Species of <i>Melomastia</i> from Olive (<i>Olea europaea</i>) in Sichuan Province, China |
| title_full | Reassessment of <i>Dyfrolomyces</i> and Four New Species of <i>Melomastia</i> from Olive (<i>Olea europaea</i>) in Sichuan Province, China |
| title_fullStr | Reassessment of <i>Dyfrolomyces</i> and Four New Species of <i>Melomastia</i> from Olive (<i>Olea europaea</i>) in Sichuan Province, China |
| title_full_unstemmed | Reassessment of <i>Dyfrolomyces</i> and Four New Species of <i>Melomastia</i> from Olive (<i>Olea europaea</i>) in Sichuan Province, China |
| title_short | Reassessment of <i>Dyfrolomyces</i> and Four New Species of <i>Melomastia</i> from Olive (<i>Olea europaea</i>) in Sichuan Province, China |
| title_sort | reassessment of i dyfrolomyces i and four new species of i melomastia i from olive i olea europaea i in sichuan province china |
| topic | 15 new taxa Dothideomycetes morphology multigene phylogeny |
| url | https://www.mdpi.com/2309-608X/8/1/76 |
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