Abstract
The anamorphic taxon Phaeonawawia diplocladielloidea gen. et sp. nov. is described and illustrated from wood submerged in a freshwater stream in Malaysia. The fungus is generically distinct in the brown, short-stalked, bulbose or urceolate conidiogenous cells with a terminal pore rimmed with a flared collarette, producing large, dematiaceous, versicoloured, multi-euseptate, tetrahedral, or obpyramidal stauroconidia which bear hyaline filiform appendages at the end of the arms and enclosed by a thick, hyaline sheath. The new fungus is compared with some similar anamorphic fungi. Phylogenetic analyses by maximum likelihood and Bayesian inference approaches using the nuc rDNA ITS1-5.8S-ITS2 (ITS barcode) support the placement of this new fungus in the Chaetosphaeriaceae. The various anamorphic forms of chaetosphaeriaceous fungi are briefly discussed.
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Acknowledgements
The first author of this paper (TK Goh) is grateful to Universiti Tunku Abdul Rahman (UTAR) for financial support (IPSR/RMC/UTARRF/2012-C2/G04) to study the diversity of fungi in Malaysia during the year 2013–2014. Mr. Wai-Yip Lau is thanked for his help in collecting fungal specimens in Malaysia. Mr. Keng-Fei Ooh (Faculty of Science, UTAR, Perak Campus, Malaysia) is thanked for his technical assistance in the scanning electron microscopy. Mr. Yit-Kheng Goh (Advanced Agriecological Research Sdn Bhd, Malaysia) is thanked for DNA isolation and sequencing. Thanks are extended to Ms. Shing-Yu Lin and Ms. Hsin-Yi Peng (Department of Plant Medicine, NCYU, Taiwan) for general technical support.
CRediT taxonomy
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Conceptualization: Teik-Khiang Goh and Chang-Hsin Kuo;
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Specimen collections: Teik-Khiang Goh;
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Identification of fungi: Teik-Khiang Goh and Chang-Hsin Kuo;
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Phylogenetic analysis: Jie-Hao Ou;
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Deposition of specimens at Herbarium: Chang-Hsin Kuo
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Laboratory resources and facilities: Chang-Hsin Kuo;
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Supervision: Chang-Hsin Kuo;
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Writing—original draft preparation: Teik-Khiang Goh;
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Writing—review and editing: Teik-Khiang Goh and Chang-Hsin Kuo;
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Final proofreading: Chang-Hsin Kuo;
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Submission and correspondence: Chang-Hsin Kuo.
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All authors contributed to the study conception and design. Material preparation was performed by Chang-Hsin Kuo. Identification of fungi was performed by Teik-Khiang Goh. Phylogenetic analysis was performed by Jie-Hao Ou. The first draft of the manuscript was written by the first author Teik-Khiang Goh. The other two authors (Jie-Hao Ou and Chang-Hsin Kuo) commented on previous versions of the manuscript. All authors read and approved the final manuscript.
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Goh, TK., Ou, JH. & Kuo, CH. Phaeonawawia, a novel chaetosphaeriaceous anamorph from submerged wood in Malaysia. Mycol Progress 20, 227–245 (2021). https://doi.org/10.1007/s11557-020-01662-9
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DOI: https://doi.org/10.1007/s11557-020-01662-9