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Wei DP, Wanasinghe DN, Gentekaki E, Thiyagaraja V, Lumyong S, Hyde KD. Morphological and Phylogenetic Appraisal of Novel and Extant Taxa of Stictidaceae from Northern Thailand. J Fungi (Basel) 2021; 7:880. [PMID: 34682300 PMCID: PMC8537192 DOI: 10.3390/jof7100880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/26/2021] [Accepted: 10/12/2021] [Indexed: 11/16/2022] Open
Abstract
Stictidaceae comprises taxa with diverse lifestyles. Many species in this family are drought resistant and important for studying fungal adaptation and evolution. Stictidaceae comprises 32 genera, but many of them have been neglected for decades due to the lack of field collections and molecular data. In this study, we introduce a new species Fitzroyomyces hyaloseptisporus and a new combination Fitzroyomycespandanicola. We also provide additional morphological and molecular data for Ostropomyces pruinosellus and O. thailandicus based on new collections isolated from an unidentified woody dicotyledonous host in Chiang Rai, Thailand. Taxonomic conclusions are made with the aid of morphological evidence and phylogenetic analysis of combined LSU, ITS and mtSSU sequence data. Characteristics such as the shape and septation of ascospores and conidia as well as lifestyles among genera of Stictidaceae are discussed.
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Affiliation(s)
- De-Ping Wei
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; (D.-P.W.); (D.N.W.)
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand; (E.G.); (V.T.)
- Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand
- Mushroom Research Foundation, 128 M.3 Ban Pa Deng T. Pa Pae, A. Mae Taeng, Chiang Mai 50150, Thailand
| | - Dhanushka N. Wanasinghe
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; (D.-P.W.); (D.N.W.)
- World Agroforestry Centre, East and Central Asia, Kunming 650201, China
- Centre for Mountain Futures, Kunming Institute of Botany, Kunming 650201, China
| | - Eleni Gentekaki
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand; (E.G.); (V.T.)
- School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand
| | - Vinodhini Thiyagaraja
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand; (E.G.); (V.T.)
- Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand
- Mushroom Research Foundation, 128 M.3 Ban Pa Deng T. Pa Pae, A. Mae Taeng, Chiang Mai 50150, Thailand
| | - Saisamorn Lumyong
- Research Center of Microbial Diversity and Sustainable Utilization, Chiang Mai University, Chiang Mai 50200, Thailand;
- Department of Biology, Faculty of Science, CHiang Mai University, Chiang Mai 50200, Thailand
- Academy of Science, The Royal Society of Thailand, Bangkok 10300, Thailand
| | - Kevin D. Hyde
- CAS Key Laboratory for Plant Diversity and Biogeography of East Asia, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650201, China; (D.-P.W.); (D.N.W.)
- Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand; (E.G.); (V.T.)
- Research Center of Microbial Diversity and Sustainable Utilization, Chiang Mai University, Chiang Mai 50200, Thailand;
- Innovative Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Haizhu District, Guangzhou 510225, China
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Diversity and spatial distribution of endophytic fungi in Cinnamomum longepaniculatum of Yibin, China. Arch Microbiol 2021; 203:3361-3372. [PMID: 33877389 DOI: 10.1007/s00203-021-02325-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2020] [Revised: 04/06/2021] [Accepted: 04/09/2021] [Indexed: 10/21/2022]
Abstract
Cinnamomum longepaniculatum (Gamble) N. Chao is an important woody incense plant that contains volatile terpenoids and has been extensively cultivated in Yibin, China. However, the relationship between endophytic fungal diversity and C. longepaniculatum species remains unclear. Here, fungal taxa in different tissue samples were analyzed using Illumina-based sequencing of ITS1 region of fungal rDNA genes. Results showed that 476 OTUs were identified in all tissues of C. longepaniculatum, with 78 OTUs common among all tissues. Similarity cluster analysis indicated that these OTUs belong to 5 phyla and at least 18 genera, with a large number of OTUs remaining unidentified at family and genus levels. The fungal community in seeds exhibited the greatest richness and diversity, followed by those in branches, leaves, and roots, respectively. Unclassified Chaetosphaeriales (91.66%), Passalora (57.17%), and unclassified Ascomycota (58.79%) OTUs dominated in root, branch, and leaf communities, respectively, and other common groups in the branch community included unclassified Ascomycota (12.13%), Houjia (10.38%), and Pseudoveronaea (5.43%), whereas other common groups in leaf community included Passalora (11.43%) and Uwebraunia (8.58%). Meanwhile, the seed community was dominated by unclassified Ascomycota (16.98%), unclassified Pleosporaceae (15.46%), and Talaromyces (12.50%) and also included high proportions of unclassified Nectriaceae (7.68%), Aspergillus (6.95%), Pestalotiopsis (6.02%), and Paraconiothyrium (5.11%) and several seed-specific taxa, including Peniophora, Cryptodiscus, and Penicillium. These findings suggest that Yibin-native C. longepaniculatum harbors rich and diverse endophytic communities that may represent an underexplored reservoir of biological resources.
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Thiyagaraja V, Lücking R, Ertz D, Karunarathna SC, Wanasinghe DN, Lumyong S, Hyde KD. The Evolution of Life Modes in Stictidaceae, with Three Novel Taxa. J Fungi (Basel) 2021; 7:105. [PMID: 33540644 PMCID: PMC7913076 DOI: 10.3390/jof7020105] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Revised: 01/26/2021] [Accepted: 01/28/2021] [Indexed: 02/08/2023] Open
Abstract
Ostropales sensu lato is a large group comprising both lichenized and non-lichenized fungi, with several lineages expressing optional lichenization where individuals of the same fungal species exhibit either saprotrophic or lichenized lifestyles depending on the substrate (bark or wood). Greatly variable phenotypic characteristics and large-scale phylogenies have led to frequent changes in the taxonomic circumscription of this order. Ostropales sensu lato is currently split into Graphidales, Gyalectales, Odontotrematales, Ostropales sensu stricto, and Thelenellales. Ostropales sensu stricto is now confined to the family Stictidaceae, which includes a large number of species that are poorly known, since they usually have small fruiting bodies that are rarely collected, and thus, their taxonomy remains partly unresolved. Here, we introduce a new genus Ostropomyces to accommodate a novel lineage related to Ostropa, which is composed of two new species, as well as a new species of Sphaeropezia, S. shangrilaensis. Maximum likelihood and Bayesian inference analyses of mitochondrial small subunit spacers (mtSSU), large subunit nuclear rDNA (LSU), and internal transcribed spacers (ITS) sequence data, together with phenotypic data documented by detailed morphological and anatomical analyses, support the taxonomic affinity of the new taxa in Stictidaceae. Ancestral character state analysis did not resolve the ancestral nutritional status of Stictidaceae with confidence using Bayes traits, but a saprotrophic ancestor was indicated as most likely in a Bayesian binary Markov Chain Monte Carlo sampling (MCMC) approach. Frequent switching in nutritional modes between lineages suggests that lifestyle transition played an important role in the evolution of this family.
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Affiliation(s)
- Vinodhini Thiyagaraja
- Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand;
- Centre of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand
- CAS Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, China; (S.C.K.); (D.N.W.)
| | - Robert Lücking
- Botanischer Garten und Botanisches Museum, Freie Universität Berlin, Königin-Luise-Str. 6-8, 14195 Berlin, Germany;
| | - Damien Ertz
- Research Department, Meise Botanic Garden, Nieuwelaan 38, BE-1860 Meise, Belgium;
- Fédération Wallonie-Bruxelles, Service Général de l’Enseignement Supérieur et de la Recherche Scientifique, Rue A. Lavallée 1, BE-1080 Bruxelles, Belgium
| | - Samantha C. Karunarathna
- CAS Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, China; (S.C.K.); (D.N.W.)
- World Agro forestry Centre East and Central Asia, Kunming 650201, China
| | - Dhanushka N. Wanasinghe
- CAS Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, China; (S.C.K.); (D.N.W.)
- World Agro forestry Centre East and Central Asia, Kunming 650201, China
| | - Saisamorn Lumyong
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
- Center of Excellence in Bioresources for Agriculture, Industry and Medicine, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Kevin D. Hyde
- Centre of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand
- CAS Key Laboratory for Plant Biodiversity and Biogeography of East Asia (KLPB), Kunming Institute of Botany, Chinese Academy of Science, Kunming 650201, China; (S.C.K.); (D.N.W.)
- Department of Biology, Faculty of Science, Chiang Mai University, Chiang Mai 50200, Thailand;
- Innovative Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Haizhu District, Guangzhou 510225, China
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