Mycokeys最新文献

{"title":"Morpho-phylogenetic evidence reveals <i>Pseudolomaanthathailandica</i> gen. et sp. nov. and <i>Submultiguttulisporamultiseptata</i> gen. et sp. nov. in Chaetosphaeriaceae.","authors":"Jing-Yi Zhang, Kevin D Hyde, Jian Ma, Na Wu, Fatimah Al-Otibi, Li-Juan Zhang, Yong-Zhong Lu","doi":"10.3897/mycokeys.113.142643","DOIUrl":"10.3897/mycokeys.113.142643","url":null,"abstract":"<p><p>Anamorphic chaetosphaeriaceous fungi exhibit high morphological variability and are distributed worldwide across terrestrial and aquatic habitats. During an ongoing taxonomic study of microfungi, two intriguing chaetosphaeriaceous hyphomycetes were collected from dead wood and dead bamboo stems in China and Thailand. A polyphasic approach, combining morphological characteristics and phylogenetic analysis of LSU and ITS sequence data, revealed that these fungi represent two new genera within Chaetosphaeriaceae. <i>Pseudolomaantha</i> and <i>Submultiguttulispora</i> are proposed for these new genera, and they exhibit non-phialidic and phialidic asexual morphs, respectively. <i>Pseudolomaanthathailandica</i> <b>gen. et sp. nov.</b> is characterized by a sporidesmium-like asexual morph with macronematous, mononematous conidiophores; monoblastic conidiogenous cells, and pyriform to obclavate, rostrate conidia bearing an apical appendage. <i>Submultiguttulisporamultiseptata</i> <b>gen. et sp. nov.</b> is distinguished by macronematous, mononematous conidiophores, mono- to polyphialidic conidiogenous cells, and fusiform or ellipsoidal-fusiform, pale brown to olive green to brown conidia with filiform, hyaline appendages at both ends. Detailed descriptions, illustrations, and notes on the new collections are provided, along with a key to non-phialidic hyphomycetous genera in Chaetosphaeriaceae.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"123-146"},"PeriodicalIF":2.8,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11806344/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143383750","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 hyphomycetes associated with ferns from China.","authors":"Jing-Yi Zhang, Kevin D Hyde, Li-Juan Zhang, Song Bai, Dan-Feng Bao, Fatimah Al-Otibi, Yong-Zhong Lu","doi":"10.3897/mycokeys.113.137678","DOIUrl":"10.3897/mycokeys.113.137678","url":null,"abstract":"<p><p>During an ongoing investigation of fungi associated with ferns in southwestern China, three hyphomycetes were discovered on the dead rachises of <i>Angiopterisfokiensis</i> and an unidentified fern. Based on morphology and multi-gene phylogenetic analyses, <i>Arthrobotrysangiopteridis</i> and <i>Corynesporaseptata</i> are introduced as new species. <i>Arthrobotrysangiopteridis</i> is a nematode-trapping fungus characterized by macronematous, mononematous, hyaline conidiophores, conidiogenous cells with polyblastic denticles at each node, and 0-1-septate, clavate to elongate pyriform, hyaline conidia. <i>Corynesporaseptata</i> features macronematous, mononematous, pale brown to dark brown conidiophores, integrated, monotretic conidiogenous cells and up to 7-distoseptate with one true septum, subcylindrical to obclavate, hyaline to pale brown conidia. Detailed descriptions and illustrations of these two new species are provided, along with morphological comparisons of the new taxa with closely related species.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"101-121"},"PeriodicalIF":2.8,"publicationDate":"2025-01-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11806345/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143383755","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 revealed four new species of <i>Geastrum</i> (Geastrales, Basidiomycota) from China.","authors":"Xin Yang, Yonggao Zhu, Songjing Duan, Xingxing Wu, Changlin Zhao","doi":"10.3897/mycokeys.113.139672","DOIUrl":"10.3897/mycokeys.113.139672","url":null,"abstract":"<p><p>In the present study, four new species, <i>Geastrumartocarpicola</i>, <i>G.fibulatum</i>, <i>G.sinense</i> and <i>G.trachelium</i> collected from China, are proposed based on a combination of morphological characteristics and molecular evidence. <i>Geastrumartocarpicola</i> is characterized by shallowly saccate to deep saccate exoperidium, bubble-shaped to flask shaped basidia, spherical basidiospores. <i>G.fibulatum</i> is characterized by shallowly saccate to deep saccate exoperidium, spherical basidiospores, generative hyphae with clamp connections in the mycelium layer. <i>G.sinense</i> has arched exoperidium, long stipe expanded basidiomata, and spherical basidiospores. <i>G.trachelium</i> has deep saccate exoperidium, flask-shaped basidia, and spherical basidiospores. Sequences of the internal transcribed spacers (ITS), large subunit (nrLSU), the largest subunit of ribosomal polymerase II (RPB1), and subunit 6 of ATP synthase (ATP6) of the nuclear ribosomal DNA (rDNA) markers of the studied samples were generated, and the phylogenetic analyses were performed with maximum likelihood, maximum parsimony and Bayesian inference methods. The results showed that our collection clustered within <i>Geastrum</i> but distinctly from the others. Full morphological descriptions, illustrations, and phylogenetic analyses results for the four new species are provided. In addition, <i>G.sanglinense</i> is treated as a synonym of <i>beijingense</i>.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"73-100"},"PeriodicalIF":2.8,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11795189/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143257043","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 arthroconidial yeast species from bark and pit mud in China.","authors":"Hai-Yan Zhu, Yu-Hua Wei, Liang-Chen Guo, Zhang Wen, Shuang Hu, Di-Qiang Wang, Xiao-Long You, En-Di Fan, Shang-Jie Yao, Feng-Yan Bai, Pei-Jie Han","doi":"10.3897/mycokeys.113.141799","DOIUrl":"10.3897/mycokeys.113.141799","url":null,"abstract":"<p><p>A study on yeast species from the genera <i>Geotrichum</i> and <i>Magnusiomyces</i> in southwest and central China was conducted based on morphological and molecular phylogenetic analyses using the ITS region and the D1/D2 domain of the LSU rRNA gene. The research identified two new yeast species: <i>Geotrichumhubeiense</i> and <i>Magnusiomycespitmudophilus</i>. The study contributed to understanding arthroconidial yeast diversity in fermentation and natural environments and paved the way for future taxonomic and ecological studies. Descriptions, illustrations, and phylogenetic analysis results of the two new taxa are provided.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"57-72"},"PeriodicalIF":2.8,"publicationDate":"2025-01-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11795185/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143257045","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 four novel species of <i>Distoseptispora</i> (Distoseptisporaceae, Distoseptisporales) from southern China.","authors":"Ming-Gen Liao, Xing-Xing Luo, Ya-Fen Hu, Rafael F Castañeda-Ruíz, Zhao-Huan Xu, Jian Ma","doi":"10.3897/mycokeys.113.137082","DOIUrl":"10.3897/mycokeys.113.137082","url":null,"abstract":"<p><p>Saprobic hyphomycetes with high density and species diversity were observed on plant debris. During our mycological surveys in southern China, numerous strains were isolated from dead branches of unidentified plants in the forest of Jiangxi and Fujian provinces, China. Phylogenetic analyses of ITS, LSU, <i>RPB2</i>, and <i>TEF1</i> sequence data using maximum-likelihood (ML) and Bayesian inference (BI) methods revealed the systematic placement of several <i>Sporidesmium</i>-like species within <i>Distoseptispora</i>. Based on morphological characteristics and molecular evidence, four new species of <i>Distoseptispora</i>, namely <i>D.fujianensis</i>, <i>D.ganzhouensis</i>, <i>D.nanpingensis</i> and <i>D.subtropica</i>, are introduced, and two known species, <i>D.clematidis</i> and <i>D.yunjushanensis</i>, are reported. This study enhances our knowledge of the species diversity of <i>Distoseptispora</i> in southern China.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"31-55"},"PeriodicalIF":2.8,"publicationDate":"2025-01-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11791510/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143190772","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":"Additions to the saprobic fungi (Ascomycota) associated with macadamia trees from the Greater Mekong Subregion.","authors":"Xian Zhang, Saowaluck Tibpromma, Samantha C Karunarathna, Tian-Ye Du, Li-Su Han, Abdallah M Elgorban, Jaturong Kumla, Chanokned Senwanna, Dong-Qin Dai, Nakarin Suwannarach, Hao-Han Wang","doi":"10.3897/mycokeys.113.140031","DOIUrl":"10.3897/mycokeys.113.140031","url":null,"abstract":"<p><p>Macadamia trees, the most economically important Proteaceae perennial crop, are globally renowned for their edible nuts. During our surveys of microfungi associated with macadamia in China and Thailand, we isolated three saprobic fungi from dead macadamia branches. Our multigene phylogenetic analyses (ITS, LSU, SSU, <i>tef</i>1-α, <i>TUB</i>2, and <i>ACT</i> loci), genealogical concordance phylogenetic species recognition (GCPSR) with a pairwise homoplasy index (PHI) test, and morphological characteristics led to the discovery of two new species, <i>Dothiorellamacadamiae</i> and <i>Phaeoacremoniumchiangmaiense</i>, and one new record, <i>Melomastiapuerensis</i>. We provide morphological descriptions, photo plates, phylogenetic analysis results, and PHI test results of the two new species, along with comparisons with closely related taxa. These findings have global implications for understanding the diversity of microfungi associated with macadamia trees.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"113 ","pages":"1-29"},"PeriodicalIF":2.8,"publicationDate":"2025-01-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11786193/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143081661","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":"Morpho-phylogenetic analyses of two novel edible mushrooms from China and a mini review of <i>Lyophyllum</i> (Agaricales, Lyophyllaceae) cultivation and bioactivities.","authors":"Song-Ming Tang, Feng-Ming Yu, Samantha C Karunarathna, Zong-Long Luo, Kai-Yang Niu, Rui-Yu Li, Lin Li, Xi-Jun Su, Shu-Hong Li","doi":"10.3897/mycokeys.112.141615","DOIUrl":"10.3897/mycokeys.112.141615","url":null,"abstract":"<p><p><i>Lyophyllum</i> plays an important role in the natural ecosystem and has significant economic value. Some species of this genus have been cultivated in Asia, America, and Europe. This study describes four edible species of <i>Lyophyllum</i>, two of which were newly discovered. <i>Lyophyllumedulis</i> has a dark grayish orange pileus, a grayish orange upper part of the stipe, and globose, subglobose to broadly ellipsoid basidiospores, while <i>L.sinense</i> has a dark gray-orange when injured pileus, dark grayish orange points and lines on the stipe surface, and quadrangular to broadly fusiform basidiospores. Molecular phylogenetic analyses using the internal transcribed spacer ITS1-5.8S-ITS2 ribosomal RNA (ITS), the large subunit ribosomal RNA (LSU), the second-largest subunit of RNA polymerase II (<i>rpb2</i>), and translation elongation factor 1-alpha (<i>tef1-α</i>) indicated that <i>L.edulis</i> is related to <i>L.shimeji</i>, <i>L.heimogu</i>, and <i>L.decastes</i>, and <i>L.sinense</i> has an affinity to <i>L.bulborhizum</i> and <i>L.nigrum</i>. We also summarize the cultivation techniques of the two edible species, <i>L.shimeji</i> and <i>L.decastes</i>.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"112 ","pages":"307-334"},"PeriodicalIF":2.8,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11783088/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143081659","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":"Identification of three novel species and one new record of <i>Kirschsteiniothelia</i> (Kirschsteiniotheliaceae, Kirschsteiniotheliales) from Jiangxi, China.","authors":"Xing-Xing Luo, Ming-Gen Liao, Ya-Fen Hu, Xiu-Guo Zhang, Zhao-Huan Xu, Jian Ma","doi":"10.3897/mycokeys.112.142028","DOIUrl":"10.3897/mycokeys.112.142028","url":null,"abstract":"<p><p>Fungal diversity is rapidly expanding, with numerous species being discovered worldwide. While plant debris is a habitat favoring the survival and multiplication of various microbial species. In this study, several kirschsteiniothelia-like isolates were collected from dead branches of unidentified perennial dicotyledonous plants. Based on morphological examination and phylogenetic analyses of combined ITS, LSU, and SSU sequences data using maximum-likelihood and Bayesian inference, three new species of <i>Kirschsteiniothelia</i>, namely <i>K.ganzhouensis</i>, <i>K.jiangxiensis</i>, and <i>K.jiulianshanensis</i>, were introduced, and one known species, <i>K.inthanonensis</i>, was recorded for the first time from China. To improve our comprehensive knowledge of the species diversity of <i>Kirschsteiniothelia</i>, all accepted <i>Kirschsteiniothelia</i> species with morphological characteristics, sequence data, asexual morphs, habitat, host, and locality are listed.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"112 ","pages":"277-306"},"PeriodicalIF":2.8,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11783086/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143081658","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":"Four new araneogenous species and a new genus in Hypocreales (Clavicipitaceae, Cordycipitaceae) from the karst region of China.","authors":"Wan-Hao Chen, Dan Li, Hui-Lin Shu, Jian-Dong Liang, Jie-Hong Zhao, Wei-Yi Tian, Yan-Feng Han","doi":"10.3897/mycokeys.112.140799","DOIUrl":"10.3897/mycokeys.112.140799","url":null,"abstract":"<p><p>The karst region in southwestern China is one of the biodiversity hotspots in the world with rich fungal diversity but under-studied. Four fungal species belonging to <i>Chlorocillium</i> (Clavicipitaceae) and <i>Gamszarella</i> (Cordycipitaceae) were isolated from dead spiders. Morphological comparisons, phylogenetic analyses and a PHI analysis based on multigene datasets support the establishment of these new species viz., <i>Chlorocilliumguizhouense</i> <b>sp. nov.</b>, <i>C.vallense</i> <b>sp. nov.</b>, <i>Gamszarellasinensis</i> <b>sp. nov.</b>, and <i>G.vallensis</i> <b>sp. nov.</b> are introduced. A new genus, <i>Neogamszarella</i>, is proposed to accommodate <i>Gamszarellaantillana</i>, which is phylogenetically distinct from <i>Gamszarella</i> <i>s. str.</i> Our results revealed that further attention needs to be paid to the diversity of araneogenous fungi in the karst regions of southwestern China.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"112 ","pages":"335-359"},"PeriodicalIF":2.8,"publicationDate":"2025-01-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11783087/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143081657","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 taxa and a combination in Glomerales (Glomeromycota, Glomeromycetes).","authors":"Janusz Błaszkowski, Szymon Zubek, Paweł Milczarski, Ryszard Malinowski, Piotr Niezgoda, Bruno Tomio Goto","doi":"10.3897/mycokeys.112.136158","DOIUrl":"10.3897/mycokeys.112.136158","url":null,"abstract":"<p><p>This article presents the results of morphological studies, as well as comparisons and phylogenetic analyzes of sequences of four arbuscular mycorrhizal fungi (AMF, phylum Glomeromycota): <i>Dominikiaindica</i>, <i>Dominikiaindica</i> strain 211, Isolate 517, and Isolate 524. <i>Dominikiaindica</i> strain 211 was previously characterized only by sequences of the 45S nuc rDNA region (= 18S, partial, ITS-1-5.8S-ITS2, 28S, partial) and the <i>rpb1</i> gene (without any morphological data) that were deposited in GenBank under the incorrect name \"<i>Dominikiaindica</i> strain 211\". Its 45S sequences differed from the original <i>D.indica</i> sequences and, consequently, resulted in erroneous phylogenetic classification of this species. Isolate 517 and Isolate 524 slightly differed in morphology from <i>Macrodominikiacompressa</i> (formerly <i>D.compressa</i>) and <i>Microkamienskiaperpusilla</i> (formerly <i>Kamienskiaperpusilla</i>), respectively. <i>Microkamienskiaperpusilla</i> was originally found in a maritime dune site of Italy in 2009 and not yet reported from any other habitat in the world. Our sequence comparisons and analyses showed that <i>D.indica</i> represents a new genus, here created under the name <i>Delicatispora</i> <b>gen. nov.</b> with <i>De.indica</i> <b>comb. nov.</b>, and <i>Dominikiaindica</i> strain 211 is a new species, described as <i>Dominikiaparaminuta</i> <b>sp. nov.</b> These analyses also indicated that Isolate 517 is conspecific to <i>M.compressa</i> and confirmed the correctness of the transfer of <i>D.compressa</i> by other AMF researchers to <i>Macrodominikia</i> gen. nov. with <i>M.compressa</i> comb. nov. Morphological studies of our <i>M.compressa</i> specimens grown in culture showed that the original description of this species is incomplete and, therefore, the description was emended. Phylogenetic analyses of Isolate 524 proved its conspecificity to <i>Mk.perpusilla</i> and thus revealed its second site of occurrence, i.e., the coastal dunes of the Hel Peninsula in northern Poland.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"112 ","pages":"253-276"},"PeriodicalIF":2.8,"publicationDate":"2025-01-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11780324/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143068853","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}