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Wanasinghe DN, Nimalrathna TS, Qin Xian L, Faraj TK, Xu J, Mortimer PE. Taxonomic novelties and global biogeography of Montagnula (Ascomycota, Didymosphaeriaceae). MycoKeys 2024; 101:191-232. [PMID: 38283721 PMCID: PMC10820738 DOI: 10.3897/mycokeys.101.113259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 12/17/2023] [Indexed: 01/30/2024] Open
Abstract
Whilst conducting surveys of lignicolous microfungi in Yunnan Province, we collected a large number of taxa that resemble Montagnula (Didymosphaeriaceae, Pleosporales). Our phylogenetic study on Montagnula involved analysing sequence data from ribosomal RNA genes (nc18S, nc28S, ITS) and protein-coding genes (rpb2, tef1-α). We present a biphasic approach (morphological and molecular phylogenetic evidence) that supports the recognition of four new species in Montagnula viz., M.lijiangensis, M.menglaensis, M.shangrilana and M.thevetiae. The global diversity of Montagnula is also inferred from metabarcoding data and published records based on field observations. Metabarcoding data from GlobalFungi and field observations provided insights into the global diversity and distribution patterns of Montagnula. Studies conducted in Asia, Australia, Europe, and North America revealed a concentration of Montagnula species, suggesting regional variations in ecological preferences and distribution. Montagnula species were found on various substrates, with sediments yielding a high number of sequences. Poaceae emerged as a significant contributor, indicating a potential association between Montagnula species and grasses. Culture-based investigations from previously published data revealed Montagnula species associations with 105 plant genera (in 45 plant families), across 55 countries, highlighting their wide ecological range and adaptability. This study enhances our understanding of the taxonomy, distribution, and ecological preferences of Montagnula species. It emphasizes their role in the decomposition of organic matter in grasslands and savannah systems and suggests further investigation into their functional roles in ecosystem processes. The global distribution patterns and ecological interactions of Montagnula species underscore the need for continued research and conservation efforts.
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Affiliation(s)
- Dhanushka N. Wanasinghe
- Honghe Center for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Sciences, Honghe County 654400, Yunnan, ChinaKunming Institute of Botany, Chinese Academy of SciencesHonghe CountyChina
| | - Thilina S. Nimalrathna
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun, Mengla, Yunnan, ChinaCAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of SciencesMenglaChina
- Southeast Asia Biodiversity Research Institute, Chinese Academy of Sciences & Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan 666303, ChinaSoutheast Asia Biodiversity Research Institute, Chinese Academy of Sciences & Center for Integrative Conservation, Xishuangbanna Tropical Botanical Garden, Chinese Academy of SciencesMenglaChina
- Yunnan International Joint Laboratory of Southeast Asia Biodiversity Conservation & Yunnan Key Laboratory for Conservation of Tropical Rainforests and Asian Elephants, Menglun, Mengla, Yunnan 666303, ChinaYunnan International Joint Laboratory of Southeast Asia Biodiversity Conservation & Yunnan Key Laboratory for Conservation of Tropical Rainforests and Asian ElephantsMenglaChina
- International College, University of Chinese Academy of Sciences, Beijing, ChinaUniversity of Chinese Academy of SciencesBeijingChina
| | - Li Qin Xian
- Honghe Center for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Sciences, Honghe County 654400, Yunnan, ChinaKunming Institute of Botany, Chinese Academy of SciencesHonghe CountyChina
| | - Turki Kh. Faraj
- Department of Soil Science, College of Food and Agriculture Sciences, King Saud University, P.O. Box 145111, Riyadh 11362, Saudi ArabiaKing Saud UniversityRiyadhSaudi Arabia
| | - Jianchu Xu
- Honghe Center for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Sciences, Honghe County 654400, Yunnan, ChinaKunming Institute of Botany, Chinese Academy of SciencesHonghe CountyChina
- CIFOR-ICRAF China Country Program, Kunming, Yunnan, ChinaCIFOR-ICRAF China Country ProgramKunmingChina
| | - Peter E. Mortimer
- Honghe Center for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Sciences, Honghe County 654400, Yunnan, ChinaKunming Institute of Botany, Chinese Academy of SciencesHonghe CountyChina
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Wanasinghe DN, Maharachchikumbura SSN. Exploring the Diversity and Systematics of Phaeosphaeriaceae: Taxonomic Novelties from Ecologically Diverse Habitats and Their Phylogenetic Resolution. J Fungi (Basel) 2023; 9:853. [PMID: 37623624 PMCID: PMC10455733 DOI: 10.3390/jof9080853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 08/04/2023] [Accepted: 08/11/2023] [Indexed: 08/26/2023] Open
Abstract
The family Phaeosphaeriaceae is a diverse group of ascomycetous fungi that are commonly found in terrestrial habitats worldwide. In recent years, there has been increasing interest in the biodiversity of Phaeosphaeriaceae in China, particularly in Sichuan Province, which has not been fully explored for its high fungal diversity. In our study, we conducted extensive surveys in Sichuan Province to identify and describe new species of Ascomycota with diverse habitats. Here, we present a taxonomic revision of Phaeosphaeriaceae with taxonomic novelties from terrestrial habitats in Sichuan Province based on a multi-gene phylogenetic approach. Our study focuses on the description of four new species of Phaeosphaeriaceae, representing novel additions to the diversity of this fungal family. Using a combination of morphological and molecular data, we provide detailed descriptions of the new taxa and their placement within the family. Additionally, we discuss the phylogenetic relationships of these new taxa with other members of Phaeosphaeriaceae, providing insights into the correct taxonomic classification of the family. Our taxonomic revision contributes to understanding fungal diversity in China and provides a foundation for future studies investigating the taxonomy and ecological roles of Phaeosphaeriaceae fungi. Furthermore, our multi-gene phylogenetic approach provides increased resolution and accuracy in the delimitation of species boundaries within the family. Our study highlights the importance of continued exploration and taxonomic revision in order to fully understand the diversity and distribution of fungal species in China and beyond. New species:Paraloratospora sichuanensis, Phaeosphaeria chengduensis, P. sichuanensis, and Septoriella shoemakeri. New combinations:Paraloratospora breonadiae, P. fructigena, Septoriella ammophilicola, S. asparagicola, S. festucae, S. luzulae, and S. verrucispora. New names:Septoriella paradactylidis, and S. neomuriformis.
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Affiliation(s)
- Dhanushka N. Wanasinghe
- Center for Mountain Futures, Kunming Institute of Botany, Chinese Academy of Sciences, Honghe 654400, China;
| | - Sajeewa S. N. Maharachchikumbura
- Center for Informational Biology, School of Life Science and Technology, University of Electronic Science and Technology of China, Chengdu 611731, China
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Gao Y, Zhong T, Bhat JD, Gomes de Farias AR, Dawoud TM, Hyde KD, Xiong W, Li Y, Gui H, Yang X, Wu S, Wanasinghe DN. Pleomorphic Dematiomelanommayunnanense gen. et sp. nov. (Ascomycota, Melanommataceae) from grassland vegetation in Yunnan, China. MycoKeys 2023; 98:273-297. [PMID: 37539358 PMCID: PMC10394607 DOI: 10.3897/mycokeys.98.107093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 07/03/2023] [Indexed: 08/05/2023] Open
Abstract
During a survey of microfungi associated with grasslands and related vegetation types from Yunnan Province in China, various ascomycetous and coelomycetous fungi were isolated. This study reports the discovery of four strains of ascomycetous and coelomycetous fungi from dead stalks of Hypericummonogynum L. (Hypericaceae) and Rubusparvifolius L. (Rosaceae) in the Zhaotong region of Yunnan Province, China. The isolates were characterized using multi-locus phylogenetic analyses and were found to represent a new monophyletic lineage in Melanommataceae (Pleosporales, Dothideomycetes). This new clade was named as Dematiomelanommayunnanense gen. et sp. nov. which consists of both sexual and asexual morphs. The sexual morph is characterized by globose to subglobose ascomata with a central ostiole, cylindrical asci with a pedicel and ocular chamber, and muriform, ellipsoidal to fusiform ascospores. The asexual morph has synanamorphs including both brown, muriform macroconidia and hyaline, round to oblong or ellipsoidal microconidia. These findings contribute to the understanding of fungal diversity in grasslands and related vegetation types in Yunnan Province, China.
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Affiliation(s)
- Ying Gao
- Center for Mountain Futures, Kunming Institute of Botany, Honghe 654400, Yunnan, ChinaCenter for Mountain Futures, Kunming Institute of BotanyKunmingChina
- School of Science, Mae Fah Luang University, Chiang Rai 57100, ThailandMae Fah Luang UniversityChiang RaiThailand
| | - Tingfang Zhong
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, ThailandKey Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of SciencesKunmingChina
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, ChinaUniversity of Chinese Academy of SciencesBeijingChina
| | - Jayarama D. Bhat
- University of Chinese Academy of Sciences, Beijing 100049, ChinaKing Saud UniversityRiyadhSaudi Arabia
- Department of Botany and Microbiology, College of Science, King Saud University, P.O. Box 2455, Riyadh-11451, Saudi ArabiaVishnugupta VishwavidyapeetamGokarnaIndia
| | | | - Turki M. Dawoud
- University of Chinese Academy of Sciences, Beijing 100049, ChinaKing Saud UniversityRiyadhSaudi Arabia
| | - Kevin D. Hyde
- School of Science, Mae Fah Luang University, Chiang Rai 57100, ThailandMae Fah Luang UniversityChiang RaiThailand
| | - Weiqiang Xiong
- Biology Division, Vishnugupta Vishwavidyapeetam, Ashoke, Gokarna 581326, IndiaScience and Technology on Aerospace Chemical Power Laboratory, Hubei Institute of Aerospace ChemotechnologyHubeiChina
| | - Yunju Li
- Science and Technology on Aerospace Chemical Power Laboratory, Hubei Institute of Aerospace Chemotechnology, Xiangyang, 441003, Hubei, ChinaThe State Phosphorus Resource Development and Utilization Engineering Technology Research CentreKunmingChina
- The State Phosphorus Resource Development and Utilization Engineering Technology Research Centre, Yunnan Phosphate Chemical Group Co. Ltd, Kunming, ChinaYTH Modern Agriculture Development Co. LtdKunmingChina
| | - Heng Gui
- Center for Mountain Futures, Kunming Institute of Botany, Honghe 654400, Yunnan, ChinaCenter for Mountain Futures, Kunming Institute of BotanyKunmingChina
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, ThailandKey Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of SciencesKunmingChina
| | - Xuefei Yang
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, ThailandKey Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of SciencesKunmingChina
- Key Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, ChinaUniversity of Chinese Academy of SciencesBeijingChina
| | - Shixi Wu
- Biology Division, Vishnugupta Vishwavidyapeetam, Ashoke, Gokarna 581326, IndiaScience and Technology on Aerospace Chemical Power Laboratory, Hubei Institute of Aerospace ChemotechnologyHubeiChina
| | - Dhanushka N. Wanasinghe
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, ThailandKey Laboratory of Economic Plants and Biotechnology and the Yunnan Key Laboratory for Wild Plant Resources, Kunming Institute of Botany, Chinese Academy of SciencesKunmingChina
- YTH Modern Agriculture Development Co. Ltd, Kunming, ChinaCenter for Mountain Futures, Kunming Institute of BotanyYunnanChina
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