Mycokeys最新文献

{"title":"Three new <i>Dioszegia</i> species (Bulleribasidiaceae, Tremellales) discovered in the phylloplane in China.","authors":"Ya-Zhuo Qiao, Shan Liu, Qiu-Hong Niu, Feng-Li Hui","doi":"10.3897/mycokeys.101.117174","DOIUrl":"https://doi.org/10.3897/mycokeys.101.117174","url":null,"abstract":"<p><p>The genus <i>Dioszegia</i> is comprised of anamorphic basidiomycetous yeasts and is classified in the family Bulleribasidiaceae of the order Tremellales. Currently, 24 species have been described and accepted as members of the genus, although its diversity and global distribution have not been thoroughly investigated. In this study, yeasts were isolated from plant leaves collected in the Guizhou and Henan Provinces of China and identified through a combination of morphological and molecular methods. Phylogenetic analyses of the combined ITS and LSU sequences coupled with morphological studies revealed three novel species, <i>D.guizhouensis</i><b>sp. nov.</b>, <i>D.foliicola</i><b>sp. nov.</b>, and <i>D.aurantia</i><b>sp. nov.</b>, proposed here. Additionally, our phylogenetic analyses suggest that the recently discovered species <i>D.terrae</i> is a synonym of <i>D.maotaiensis</i>. This study presents detailed descriptions and illustrations of three new <i>Dioszegia</i> species and highlights distinctions between them and their close relatives. The findings of this study contribute to our knowledge of the biodiversity of <i>Dioszegia</i>, offering a foundation for future research.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"101 ","pages":"313-328"},"PeriodicalIF":3.3,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10858432/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139724595","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Morphology and multigene phylogeny reveal three new species of <i>Samsoniella</i> (Cordycipitaceae, Hypocreales) from spiders in China.","authors":"Ting Wang, Jun Li, Xiaoyun Chang, Zengzhi Li, Nigel L Hywel-Jones, Bo Huang, Mingjun Chen","doi":"10.3897/mycokeys.101.111882","DOIUrl":"10.3897/mycokeys.101.111882","url":null,"abstract":"<p><p>The genus <i>Samsoniella</i> was erected based on orange cylindrical to clavate stromata, superficial perithecia and conidiophores with <i>Isaria</i>-like phialides and to segregate them from the <i>Akanthomyces</i> group. In this study, based on morphological features and multigene (SSU, LSU, <i>TEF</i>, <i>RPB1</i> and <i>RPB2</i>) phylogenetic analysis six <i>Samsoniella</i> species parasitizing spiders were collected in China. Three of them belong to known species <i>S.alpina</i>, <i>S.erucae</i> and <i>S.hepiali</i>. Three new species <i>S.anhuiensis</i><b>sp. nov.</b>, <i>S.aranea</i><b>sp. nov.</b> and <i>S.fusiformispora</i><b>sp. nov.</b> are illustrated and described. They are clearly distinct from other species in <i>Samsoniella</i> occurring in independent subclades. Furthermore, among the four insect-pathogenic fungi specimens collected from similar sites, three of them were identified as the new species described below. Our study significantly broadens the host range of <i>Samsoniella</i> from Insecta to Arachnida, marking a noteworthy expansion in understanding the ecological associations of these fungi. Additionally, the identification of both mononematous and synnematous conidiophores in our study not only expands the knowledge of <i>Samsoniella</i> species but also provides a basis for future research by comparing the ecological significance between these conidiophore types. In conclusion, our study enhances the understanding of <i>Samsoniella</i> diversity, presenting a refined phylogenetic framework and shedding light on the ecological roles of these fungi in spider parasitism.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"101 ","pages":"329-346"},"PeriodicalIF":2.8,"publicationDate":"2024-02-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10858443/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139724594","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Hidden diversity of <i>Pestalotiopsis</i> and <i>Neopestalotiopsis</i> (Amphisphaeriales, Sporocadaceae) species allied with the stromata of entomopathogenic fungi in Taiwan.","authors":"Sheng-Yu Hsu, Yuan-Cheng Xu, Yu-Chen Lin, Wei-Yu Chuang, Shiou-Ruei Lin, Marc Stadler, Narumon Tangthirasunun, Ratchadawan Cheewangkoon, Hind A Al-Shwaiman, Abdallah M Elgorban, Hiran A Ariyawansa","doi":"10.3897/mycokeys.101.113090","DOIUrl":"10.3897/mycokeys.101.113090","url":null,"abstract":"<p><p><i>Pestalotiopsis</i><i>sensu lato</i>, commonly referred to as pestalotiopsis-like fungi, exhibit a broad distribution and are frequently found as endophytes, saprobes and pathogens across various plant hosts. The taxa within pestalotiopsis-like fungi are classified into three genera viz. <i>Pestalotiopsis</i>, <i>Pseudopestalotiopsis</i> and <i>Neopestalotiopsis</i>, based on the conidial colour of their median cells and multi-locus molecular phylogenies. In the course of a biodiversity investigation focusing on pestalotiopsis-like fungi, a total of 12 fungal strains were identified. These strains were found to be associated with stromata of <i>Beauveria</i>, <i>Ophiocordyceps</i> and <i>Tolypocladium</i> in various regions of Taiwan from 2018 to 2021. These strains were evaluated morphologically and multi-locus phylogenetic analyses of the ITS (internal transcribed spacer), <i>tef1-α</i> (translation elongation factor 1-α) and <i>tub2</i> (beta-tubulin) gene regions were conducted for genotyping. The results revealed seven well-classified taxa and one tentative clade in <i>Pestalotiopsis</i> and <i>Neopestalotiopsis</i>. One novel species, <i>Pestalotiopsismanyueyuanani</i> and four new records, <i>N.camelliae-oleiferae</i>, <i>N.haikouensis</i>, <i>P.chamaeropis</i> and <i>P.hispanica</i>, were reported for the first time in Taiwan. In addition, <i>P.formosana</i> and an unclassified strain of <i>Neopestalotiopsis</i> were identified, based on similarities of phylogeny and morphology. However, the data obtained in the present study suggest that the currently recommended loci for species delimitation of pestalotiopsis-like fungi do not deliver reliable or adequate resolution of tree topologies. The <i>in-vitro</i> mycelial growth rates of selected strains from these taxa had an optimum temperature of 25 °C, but growth ceased at 5 °C and 35 °C, while all the strains grew faster under alkaline than acidic or neutral pH conditions. This study provides the first assessment of pestalotiopsis-like fungi, associated with entomopathogenic taxa.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"101 ","pages":"275-312"},"PeriodicalIF":3.3,"publicationDate":"2024-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10851163/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139708281","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Two novel freshwater hyphomycetes, in <i>Acrogenospora</i> (Minutisphaerales, Dothideomycetes) and <i>Conioscypha</i> (Conioscyphales, Sordariomycetes) from Southwestern China.","authors":"Lu Li, Hong-Zhi Du, Vinodhini Thiyagaraja, Darbhe Jayarama Bhat, Rungtiwa Phookamsak, Ratchadawan Cheewangkoon","doi":"10.3897/mycokeys.101.115209","DOIUrl":"10.3897/mycokeys.101.115209","url":null,"abstract":"<p><p>Freshwater fungi are highly diverse in China and frequently reported from submerged wood, freshwater insects, herbaceous substrates, sediments, leaves, foams, and living plants. In this study, we investigated two freshwater species that were collected from Yunnan and Guizhou provinces in China. Detailed morphological analysis complemented by multi-gene phylogenetic analyses based on LSU, SSU, ITS, <i>RPB2</i> and <i>TEF1-α</i> sequences data revealed them to be two new saprobic species, namely <i>Acrogenosporaalangii</i><b>sp. nov.</b> and <i>Conioscyphayunnanensis</i><b>sp. nov.</b> in their asexual morphs. Additionally, <i>Acrogenosporaalangii</i><b>sp. nov.</b> is reported for the first time as a freshwater ascomycete associated with the medicinal plant <i>Alangiumchinense</i> (Alangiaceae). Detailed morphological descriptions, illustrations and updated phylogenetic relationships of the new taxa are provided herein.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"101 ","pages":"249-273"},"PeriodicalIF":3.3,"publicationDate":"2024-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10851161/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139708282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Taxonomic novelties and global biogeography of Montagnula (Ascomycota, Didymosphaeriaceae)","authors":"Dhanushka N. Wanasinghe, Thilina S. Nimalrathna, Li Qin Xian, Turki Kh. Faraj, Jianchu Xu, Peter E. Mortimer","doi":"10.3897/mycokeys.101.113259","DOIUrl":"https://doi.org/10.3897/mycokeys.101.113259","url":null,"abstract":"\u0000Whilst 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.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"41 1","pages":""},"PeriodicalIF":3.3,"publicationDate":"2024-01-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139498205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multigene phylogeny and morphology reveal three new species of Cytospora isolated from diseased plant branches in Fengtai District, Beijing, China","authors":"Aoli Jia, Baoyue Chen, Hongyan Lu, Yu Xing, Bin Li, Xinlei Fan","doi":"10.3897/mycokeys.101.116272","DOIUrl":"https://doi.org/10.3897/mycokeys.101.116272","url":null,"abstract":"\u0000Members of Cytospora include saprobes, endophytes and important plant pathogens, which are widely distributed on various wood hosts and have a wide global distribution. In this study, the species definitions were conducted, based on multigene phylogeny (ITS, act, rpb2, tef1-α and tub2 genes) and comparisons of morphological characters. A total of 22 representative isolates obtained from 21 specimens in Fengtai District of Beijing City were identified as seven species of Cytospora, including four known species (C. albodisca, C. ailanthicola, C. euonymina, C. haidianensis) and three novel species (C. fengtaiensis, C. pinea, C. sorbariae). The results provide an understanding of the taxonomy of Cytospora species associated with canker and dieback diseases in Fengtai District, Beijing, China.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"84 1","pages":""},"PeriodicalIF":3.3,"publicationDate":"2024-01-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139498165","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Three new species of Cortinarius section Delibuti (Cortinariaceae, Agaricales) from China","authors":"Pan Long, Song-Yan Zhou, Sai-Nan Li, Fei-Fei Liu, Zuo-Hong Chen","doi":"10.3897/mycokeys.101.114705","DOIUrl":"https://doi.org/10.3897/mycokeys.101.114705","url":null,"abstract":"\u0000Three new species of Cortinarius section Delibuti, namely C. fibrillososalor, C. pseudosalor, and C. subtropicus are described as new to science based on morphological and phylogenetic evidences. Cortinarius pseudosalor is extremely morphologically similar to C. salor, but it differs from the latter by smaller coarsely verrucose basidiospores. Cortinarius fibrillososalor can be easily differentiated by its fibrillose pileus. The pileus of C. subtropicus becomes brown without lilac tint at maturity comparing with other members of section Delibuti. A combined dataset of ITS and LSU sequences was used for phylogenetic analysis. The phylogenetic reconstruction of section Delibuti revealed that these three new species clustered and formed independent lineages with full support respectively. A key to the three new species and related species of section Delibuti is provided in this work.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"4 1","pages":""},"PeriodicalIF":3.3,"publicationDate":"2024-01-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139481025","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Species diversity and major host/substrate associations of the genus Akanthomyces (Hypocreales, Cordycipitaceae)","authors":"Yao Wang, Zhi-Qin Wang, Run Luo, Sisommay Souvanhnachit, Chinnapan Thanarut, Van-Minh Dao, Hong Yu","doi":"10.3897/mycokeys.101.109751","DOIUrl":"https://doi.org/10.3897/mycokeys.101.109751","url":null,"abstract":"\u0000Akanthomyces, a group of fungi with rich morphological and ecological diversity in Cordycipitaceae (Ascomycota, Hypocreales), has a wide distribution amongst diverse habitats. By surveying arthropod-pathogenic fungi in China and Southeast Asia over the last six years, nine Akanthomyces spp. were found and identified. Five of these were shown to represent four known species and an undetermined species of Akanthomyces. Four of these were new species and they were named A. kunmingensis and A. subaraneicola from China, A. laosensis from Laos and A. pseudonoctuidarum from Thailand. The new species were described and illustrated according to the morphological characteristics and molecular data. Akanthomyces araneogenus, which was isolated from spiders from different regions in China, Thailand and Vietnam, was described as a newly-recorded species from Thailand and Vietnam. The phylogenetic positions of the nine species were evaluated, based on phylogenetic inferences according to five loci, namely, ITS, nrLSU, TEF, RPB1 and RPB2. In this study, we reviewed the research progress achieved for Akanthomyces regarding its taxonomy, species diversity, geographic distribution and major host/substrate associations. The morphological characteristics of 35 species in Akanthomyces, including four novel species and 31 known taxa, were also compared.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"52 1","pages":""},"PeriodicalIF":3.3,"publicationDate":"2024-01-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139470818","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Morphological characteristics and phylogenetic evidence reveal two new species and the first report of Comoclathris (Pleosporaceae, Pleosporales) on dicotyledonous plants from China","authors":"Rong Xu, Wenxin Su, Yang Wang, Shangqing Tian, Yu Li, Chayanard Phukhamsakda","doi":"10.3897/mycokeys.101.113040","DOIUrl":"https://doi.org/10.3897/mycokeys.101.113040","url":null,"abstract":"\u0000Two novel Comoclathris species were identified from dicotyledonous plants (Clematis sp. and Xanthoceras sorbifolium) in China. The results were supported by morphological characters and Maximum Likelihood (ML) and Bayesian Inference (BI) analyses. Multi-gene phylogenetic analyses of the ITS, LSU, SSU and rpb2 sequences revealed two new species Comoclathris clematidis and C. xanthoceratis, which are phylogenetically distinct. The new species are phylogenetically closely related to C. arrhenatheri. However, they are distinguishable from C. arrhenatheri by having comparatively larger asci and ascospores. This study improves our knowledge of Comoclathris as no species has been previously described from China. This suggests such taxa may be rare and it is likely that new taxa will be discovered from hosts and environments that have not yet been extensively investigated.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"67 1","pages":""},"PeriodicalIF":3.3,"publicationDate":"2024-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139460511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Two new phyllospheric species of Colacogloea (Colacogloeaceae, Pucciniomycotina) identified in China","authors":"Yun-Feng Lu, Chun-Yue Chai, Feng-Li Hui","doi":"10.3897/mycokeys.101.114872","DOIUrl":"https://doi.org/10.3897/mycokeys.101.114872","url":null,"abstract":"\u0000During our ongoing survey of basidiomycetous yeasts associated with plant leaves in virgin forest, five Colacogloea strains were isolated in the Baotianman Nature Reserve, Henan Province, central China. Phenotypes from cultures and a phylogeny based on the internal transcribed spacer (ITS) regions and the D1/D2 domains of the large subunit (LSU) rRNA gene were employed to characterize and identify these isolates. As a result, two new species, namely Colacogloea celtidissp. nov. and C. pararetinophilasp. nov., are introduced herein. In the phylogeny of combined ITS and LSU dataset, the new species C. celtidissp. nov. formed a clade with the unpublished Colacogloea strain (KBP: Y-6832), and together these formed the sister group to C. armeniacae, while C. pararetinophilasp. nov. was retrieved as a sister to C. retinophila. A detailed description and illustration of both new species, as well as the differences between them and their closest relatives in the genus are provided. Results from the present study will add to our knowledge of the biodiversity of Colacogloea in China.","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"163 1","pages":""},"PeriodicalIF":3.3,"publicationDate":"2024-01-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139460796","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}