Mycokeys最新文献

{"title":"Additions of New Endolichenic Fungi to Herpotrichiellaceae (Chaetothyriales, Ascomycota) from northern Thailand.","authors":"Chanokned Senwanna, Jaturong Kumla, Pratthana Kodchasee, Nutchanan Duangkon, Nakarin Suwannarach","doi":"10.3897/mycokeys.120.153906","DOIUrl":"10.3897/mycokeys.120.153906","url":null,"abstract":"<p><p>Endolichenic fungi associated with lichen thalli in Thailand are poorly known in terms of species diversity. During a study conducted in Chiang Mai Province, Thailand, in 2023, eight endolichenic fungal strains were isolated from healthy thalli of the foliose lichen, <i>Parmotrema</i> sp. These eight strains were identified as members of the family Herpotrichiellaceae using a combination of three nuclear ribosomal regions (ITS, LSU, and SSU), <i>tub2</i> sequence data, and morphological characteristics. Two strains of <i>Atrokylindriopsisracemosospora</i> and three strains of <i>Veronaeaendolichena</i> were identified as new species within the Herpotrichiellaceae, while three other strains were identified as the previously known species <i>Phialophorachinensis</i>. This study provides the first report of <i>P.chinensis</i> as an endolichenic fungal taxon and its first discovery in Thailand. Descriptions, illustrations, and phylogenetic placements of these eight strains are provided. Additionally, a discussion and update on the ecology and genera within the Herpotrichiellaceae are included. The findings of this study offer valuable information that enriches the diversity of endolichenic species associated with lichens in Thailand and contributes to enhancing our understanding of the ecology and taxonomy of the Herpotrichiellaceae.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"120 ","pages":"193-229"},"PeriodicalIF":3.6,"publicationDate":"2025-07-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12329419/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144800600","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":"Endophytic xylariaceous fungi from rice in northern Thailand: discovery of novel species and new host records.","authors":"Sahar Absalan, Alireza Armand, Ruvishika S Jayawardena, Nakarin Suwannarach, Jutamart Monkai, Nootjarin Jungkhun, Saisamorn Lumyong, Kevin D Hyde","doi":"10.3897/mycokeys.120.152187","DOIUrl":"10.3897/mycokeys.120.152187","url":null,"abstract":"<p><p>Rice (<i>Oryzasativa</i> L.) is a major economic crop and a staple food in Asian countries, especially Thailand. Various fungi, including endophytes, are associated with rice and play a significant role in its growth and health. Endophytic xylarialean species are known for their diverse potential roles; however, limited information is available about this group of fungi in relation to rice. Two new species (<i>Microdochiumoryzicola</i> and <i>Nemaniaoryzae</i>) and three new host records (<i>Apiosporaintestini</i>, <i>A.mukdahanensis</i>, and <i>Nemaniaprimolutea</i>) on rice are introduced in this study. Species identification was based on morphological characteristics and phylogenetic analyses of the combined internal transcribed spacers (ITS), 28S ribosomal RNA (LSU), RNA polymerase II second largest subunit (<i>rpb</i>2), β-tubulin (<i>tub</i>2), and translation elongation factor 1-alpha (<i>tef1</i>-α) loci. Descriptions, illustrations, and phylogenetic analysis results of the new species and new records are provided.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"120 ","pages":"1-34"},"PeriodicalIF":3.6,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12326176/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144800602","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":"Morphological and phylogenetic analyses reveal two novel species of <i>Curvularia</i> (Pleosporales, Pleosporaceae) from southern China.","authors":"Zhuan-Jun Guo, Mawuli Korsi Amenyogbe, Shi-Qiang Chen, Younes M Rashad, Jian-Xin Deng, Huan Luo","doi":"10.3897/mycokeys.120.156570","DOIUrl":"10.3897/mycokeys.120.156570","url":null,"abstract":"<p><p>Members of <i>Curvularia</i> are of widespread clinical and agricultural importance, but species identification remains challenging due to morphological similarities and environmental variation. In this study, nine <i>Curvularia</i> strains were isolated from diseased leaves of <i>Nelumbonucifera</i> and <i>Nicotianatabacum</i> in Guangxi and Guizhou provinces, China. Morphological characteristics and phylogenetic analyses based on ITS, <i>GAPDH</i>, and <i>tef1-α</i> sequences revealed two novel species of <i>Curvularia</i> s. str., described here as <i>C.nuciferae</i> <b>sp. nov.</b> and <i>C.tabaci</i> <b>sp. nov.</b> This study enhances understanding of <i>Curvularia</i> taxonomy and expands the known species diversity.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"120 ","pages":"139-156"},"PeriodicalIF":3.6,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12326177/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144800603","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":"New species of <i>Vamsapriya</i> (Vamsapriyaceae, Xylariales) and <i>Neolinocarpon</i> (Linocarpaceae, Chaetosphaeriales) from Yunnan, China.","authors":"Xingyu Luo, Changtao Lu, Kamran Habib, Yulin Ren, Yilan Jin, Wenmei Li, Pingzhu Lu, Yingqian Kang, Xiangchun Shen, Hind A Al-Shwaiman, Abdallah M Elgorban, Nalin N Wijayawardene, Yang Chen, Qirui Li","doi":"10.3897/mycokeys.120.156619","DOIUrl":"10.3897/mycokeys.120.156619","url":null,"abstract":"<p><p>During a survey of ascomycetes in southwestern China, three new bambusicolous fungi were collected and identified as members of the genera <i>Neolinocarpon</i> and <i>Vamsapriya</i>. The newly identified species are designated <i>Neolinocarponbambusicola</i> <b>sp. nov.</b>, <i>Vamsapriyatongluobaensis</i> <b>sp. nov.</b>, and <i>V.zhaotongensis</i> <b>sp. nov.</b>, delineated through an analysis of both morpho-anatomical characteristics and multi-locus phylogenetic analyses based on ITS, LSU, <i>rpb2</i>, and <i>tub2</i> sequence data. The distinction of these species from their known counterparts was verified through comparisons of morphological characters and phylogenetic analyses. Comprehensive morphological descriptions, illustrations, and a phylogenetic tree showing the placement of the new taxa are provided.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"120 ","pages":"173-192"},"PeriodicalIF":3.6,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12326173/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144800680","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":"Taxonomy, phylogeny, and bioactive potential of Xylariales (Sordariomycetes, Ascomycota) from Thailand: novel species discovery, new host and geographical records, and antibacterial properties.","authors":"Achala R Rathnayaka, K W Thilini Chethana, Areerat Manowong, Amuhenage T Bhagya, Hsan Win, Zaw L Tun, Ausana Mapook, Kevin D Hyde","doi":"10.3897/mycokeys.120.155915","DOIUrl":"10.3897/mycokeys.120.155915","url":null,"abstract":"<p><p>Xylariales (Sordariomycetes, Ascomycota) comprise a wide range of species that exhibit considerable variation in stromatic characteristics, including conspicuous to inconspicuous perithecia and unitunicate asci. Most known species are endophytes and saprobes, recognized for producing secondary metabolites of fundamental importance in the pharmaceutical and chemical industries. The main objectives of this study were to identify novel species, document new host and geographical records within the families Diatrypaceae, Hypoxylaceae, and Xylariaceae in northern and central Thailand, and explore the bioactive properties of secondary metabolites produced by selected Xylariales species. Taxa were identified through morphological examination, supported by phylogenetic analyses using maximum likelihood and Bayesian inference based on LSU, ITS, <i>rpb2</i>, and <i>β-tub</i> gene sequences. These taxa are accompanied by comprehensive descriptions and illustrations. Xylariales cultures were screened for preliminary antibacterial activity against the bacterial pathogens <i>Bacillussubtilis</i> (Gram-positive) and <i>Escherichiacoli</i> (Gram-negative). Based on the screening results, two newly introduced species (<i>Annulohypoxylonchiangraiense</i> and <i>Hypoxylonthailandicum</i>) and two known species (<i>Xylariachrysanthum</i> and <i>Daldiniaeschscholtzii</i>), which exhibited antibacterial activity, were selected for secondary metabolite extraction. Crude extracts from these isolates were chemically profiled using high-performance liquid chromatography (HPLC) and Q-TOF analyses, revealing a variety of potential compounds. The present study enhances our understanding of the taxonomic diversity and bioactive potential of Xylariales by introducing five new species, reporting nine new host records-including one new geographical record-and evaluating the bioactive properties of selected Xylariales cultures.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"120 ","pages":"35-117"},"PeriodicalIF":3.6,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12326179/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144800681","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":"Discovery of the first resinicolous fungus in Mycosphaerellales (Dothideomycetes): <i>Resinomelaniacommunis</i> from conifer resins in Poland.","authors":"Paweł Czachura, Marcin Piątek","doi":"10.3897/mycokeys.120.154464","DOIUrl":"10.3897/mycokeys.120.154464","url":null,"abstract":"<p><p>Resinicolous fungi have evolved across different fungal lineages, but they are best known within the classes Eurotiomycetes, Leotiomycetes, Orbiliomycetes, and Xylonomycetes. Within the class Dothideomycetes, a resinicolous lifestyle is uncommon and is predominantly known in members of the order Mytilinidiales. In this study, 13 strains of a dark, slow-growing fungus belonging to Dothideomycetes were isolated from resins of four conifer species-<i>Abiesalba</i>, Larixdeciduassp.polonica, <i>Piceaabies</i>, and <i>Pinussylvestris</i> (all from the family Pinaceae)-in Poland. Based on multi-locus (LSU, ITS, <i>rpb2</i>, <i>tef1</i>, <i>tub2</i>) phylogenetic analyses and morphological features, the isolated strains were identified as representing an undescribed species in a new genus within the order Mycosphaerellales, family Teratosphaeriaceae. Consequently, a new genus and species, <i>Resinomelaniacommunis</i>, is described and illustrated. It is phylogenetically related to the genera <i>Neocatenulostroma</i> and <i>Sthughesia</i>. The common occurrence of <i>R.communis</i> on resins of four different conifer species indicates its resinicolous lifestyle. <i>Resinomelaniacommunis</i> is the first resinicolous fungus reported in Mycosphaerellales.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"120 ","pages":"119-138"},"PeriodicalIF":3.6,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12326175/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144800601","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 new species of <i>Phaeoclavulina</i> (Gomphaceae, Gomphales) from North China based on morphological and phylogenetic analysis.","authors":"Xin Tong, Yue Gao, Hai-Qi Wang, Hao Zhou, Cheng-Lin Hou","doi":"10.3897/mycokeys.120.138950","DOIUrl":"10.3897/mycokeys.120.138950","url":null,"abstract":"<p><p>Two new species, <i>Phaeoclavulinaaurea</i> and <i>P.fulva</i>, were discovered and described from North China. Identification was based on morphological observations combined with phylogenetic analysis of nrITS-nrLSU sequences. <i>Phaeoclavulinaaurea</i> is characterized by its pale yellow to golden yellow basidiomata, brownish black coloration with dark tips at maturity, and basidiospores bearing truncate spines. <i>Phaeoclavulinafulva</i> is distinguished by its dirty orange basidiomata, pale yellow stipe surface, and basidiospores ornamented with rounded warts. This study enriches the species diversity of <i>Phaeoclavulina</i> in North China.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"120 ","pages":"157-172"},"PeriodicalIF":3.6,"publicationDate":"2025-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12326174/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144800682","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":"<i>Chlorencoelia</i> (Leotiomycetes, Helotiales, Cenangiaceae) in New Zealand.","authors":"Katarzyna Patejuk, Peter R Johnston, Duckchul Park, Mahajabeen Padamsee","doi":"10.3897/mycokeys.119.152958","DOIUrl":"10.3897/mycokeys.119.152958","url":null,"abstract":"<p><p><i>Chlorencoelia</i>, a genus of saprotrophic, wood-inhabiting fungi, has long been considered to include only a few species with wide geographic distributions. Recent DNA sequencing and morphological analyses of specimens from New Zealand, deposited in the New Zealand Fungarium (PDD), have revealed that all local collections previously identified as <i>C.torta</i> or <i>C.versiformis</i> represent three distinct species, two of them previously unnamed. These species include <i>C.olivacea</i>, originally described from Tasmania, together with the newly named <i>C.australis</i> and <i>C.northlandica</i>. <i>Chlorencoeliaaustralis</i> has been found in both Australia and New Zealand. These species exhibit subtle yet unique morphological characteristics, including differences in ascospore size and shape, lipid body arrangements, the shape of tomentum hyphae, and the colour of refractive vacuolar bodies in the paraphyses and tomentum hyphae. Phylogenetic analyses confirm the divergence of these New Zealand and Australian species from previously described taxa. This study underscores the hidden diversity within <i>Chlorencoelia</i> and highlights the importance of integrating genetic and morphological data to refine fungal taxonomy.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"119 ","pages":"351-368"},"PeriodicalIF":3.6,"publicationDate":"2025-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12308201/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144754855","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":"<i>Yamadazymaakebiae</i> sp. nov. and <i>Y.hainanensis</i> sp. nov. (Debaryomycetaceae, Saccharomycetales) from leaf in China.","authors":"Peng Wang, Chun-Yue Chai, Qiu-Hong Niu, Feng-Li Hui","doi":"10.3897/mycokeys.119.156745","DOIUrl":"10.3897/mycokeys.119.156745","url":null,"abstract":"<p><p>Members of the genus <i>Yamadazyma</i> are widely distributed and frequently found in plant materials. In an effort to investigate the species diversity within this genus, leaf samples collected from Guizhou and Hainan provinces in China were examined. This study led to the discovery of two previously undescribed taxa. Phenotypic examination, combined with phylogenetic analysis based on concatenated ITS and LSU D1/D2 sequences, confirmed their affiliation with <i>Yamadazyma</i> and supported their designation as novel species. One of the new species, <i>Yamadazymaakebiae</i> <b>sp. nov.</b>, is phylogenetically closely related to <i>Y.kanchanaburiensis</i>, whereas <i>Y.hainanensis</i> <b>sp. nov.</b> represents a distinct lineage, clearly separated from other known <i>Yamadazyma</i> species. Detailed descriptions, illustrations, and comparative discussions with their nearest relatives are provided. These findings contribute two additional species to the genus and enhance our understanding of <i>Yamadazyma</i> diversity in China.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"119 ","pages":"335-350"},"PeriodicalIF":2.8,"publicationDate":"2025-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12280967/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144692119","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":"<i>Chaetocapnodiummagnum</i> and <i>Chaetocapnodiumpolonicum</i> from conifer resins disclose an unknown lifestyle in the Capnodiales (Dothideomycetes).","authors":"Paweł Czachura, Paulina Janik, Marcin Piątek","doi":"10.3897/mycokeys.119.159094","DOIUrl":"10.3897/mycokeys.119.159094","url":null,"abstract":"<p><p>The paraphyletic order Capnodiales s. lat. was recently divided into eight orders based on phylogeny, morphology, and fungal lifestyle. As a consequence, Capnodiales s. str. was redefined to include fungi called sooty moulds, which grow on sugary exudates (honeydew) excreted by sap-feeding insects. Despite some exceptions, Capnodiales s. str. constitutes a highly specialized order comprising fungi adapted to this specific habitat. The order includes many genera, of which one of the best studied is the genus <i>Chaetocapnodium</i>. To date, <i>Chaetocapnodium</i> has accommodated 10 species, which are strictly sooty moulds. In this study, two novel species of <i>Chaetocapnodium</i> are described from Poland-<i>Chaetocapnodiummagnum</i> and <i>Chaetocapnodiumpolonicum</i>-based on morphology and multi-gene phylogenetic analyses. Importantly, both species were isolated from resin flows of conifers, which represents a new ecological niche for the genus <i>Chaetocapnodium</i> as well as for the entire order Capnodiales s. str. Members of the genus <i>Chaetocapnodium</i> were previously reported mostly from the tropics or subtropics (exceptionally from the sub-Antarctic), and therefore they are reported from the temperate zone in Europe for the first time.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"119 ","pages":"315-333"},"PeriodicalIF":2.8,"publicationDate":"2025-07-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12280968/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144692118","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}