Mycokeys最新文献

{"title":"Unveiling species diversity within early-diverging fungi from China III: Six new species and a new record of <i>Gongronella</i> (Cunninghamellaceae, Mucoromycota).","authors":"Yi-Xin Wang, Heng Zhao, Yang Jiang, Xin-Ye Liu, Meng-Fei Tao, Xiao-Yong Liu","doi":"10.3897/mycokeys.110.130260","DOIUrl":"10.3897/mycokeys.110.130260","url":null,"abstract":"<p><p><i>Gongronella</i> had accommodated only two species for more than half a century and as many as 17 new species have been described in this genus since 2015. However, no systematic studies were conducted for this genus so far. The distribution, substrate and morphology of all known species in <i>Gongronella</i> are analysed herein. Meanwhile, with the support of phylogenetic and morphological evidence, six new species (<i>G.abortosporangia</i> <b>sp. nov.</b>, <i>G.apophysata</i> <b>sp. nov.</b>, <i>G.bawanglingensis</i> <b>sp. nov.</b>, <i>G.inconstans</i> <b>sp. nov.</b>, <i>G.pingtangensis</i> <b>sp. nov.</b> and <i>G.reniformis</i> <b>sp. nov.</b>) are proposed and <i>G.pamphilae</i> is recorded from China for the first time. The phylogenetic tree was constructed using ITS+LSU+TEF+ACT+RPB1 and the results were basically the same as ITS+LSU. All species of <i>Gongronella</i>, except <i>G.namwonensis</i> from fresh water, were isolated from soil. The genus is distributed worldwide, mainly in tropical and subtropical regions. A synoptic key is provided for a total of 24 species (18 species previously published and six species newly described herein), except for <i>G.banzhaoae</i> due to unavailable protologue, type and living culture. No morphologies were described when <i>G.pamphilae</i> was proposed. Thanks to the strains isolated in this study, <i>G.pamphilae</i> is included in the key and reported as a Chinese new record. This is the first comprehensive taxonomy and phylogeny of the genus <i>Gongronella</i>.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"110 ","pages":"287-317"},"PeriodicalIF":2.8,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11603104/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142751657","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":"Interesting mycoparasites and <i>Paradingleyomyceslepidopterorum</i> gen. et sp. nov. (Hypocreales, Polycephalomycetaceae) from Yunnan Province, China.","authors":"Yi Wang, De-Ping Wei, Xing-Can Peng, Ji-Chuan Kang, Zeng-Zhi Li, Chun-Ru Li, Xian Zhang, Gui-Ying Wang, Yun Zhou, Xin-Sheng He, Putarak Chomnunti, Ting-Chi Wen","doi":"10.3897/mycokeys.110.134132","DOIUrl":"10.3897/mycokeys.110.134132","url":null,"abstract":"<p><p>A novel genus, <i>Paradingleyomyces</i> was introduced to accommodate <i>Pa.lepidopterorum</i> <b>sp. nov.</b>, based on a multigene phylogenetic analysis and its distinct morphological characteristics. Maximum likelihood (ML) and Bayesian inference analyses (BI) of ITS, SSU, LSU, <i>tef-1α</i>, <i>rpb1</i>, and <i>rpb2</i> sequence data shown that <i>Pa.lepidopterorum</i> formed an independent lineage nested between <i>Perennicordyceps</i> and <i>Dingleyomyces</i>. Morphologically, <i>Paradingleyomyces</i> is distinguished from <i>Perennicordyceps</i> by the presence of a white subiculum on the stromata of Ophiocordycepscf.cochlidiicola. Perithecia are produced sporadically from the base to the apex of the stromata, and the secondary ascospores exhibit a notable length-to-width ratio. These characteristics distinguish <i>Paradingleyomyces</i> from <i>Perennicordyceps</i> which exhibits tortuous, branched, clavate to cylindrical stromata with rhizomorphs, parasitism of coleopteran and hemipteran larvae, and colonizes a broader range of fungal hosts. Additionally, perithecia in <i>Perennicordyceps</i> typically arise from the middle to the upper regions of the stromata, with secondary ascospores displaying a comparatively lower length-to-width ratio. <i>Paradingleyomyces</i> is morphologically identical to <i>Dingleyomyces</i> in its direct production of superficial perithecia on the stromata of <i>Ophiocordyceps</i> species. However, the phylogenetic analysis indicates that <i>Paradingleyomyces</i> and <i>Dingleyomyces</i> are not congeneric. Moreover, this study introduces another novel species, <i>Polycephalomycestengchongensis</i>, and a novel sexual morph of <i>Pleurocordycepsyunnanensis</i>. Dimorphic phialides and conidia of <i>Pleurocordycepsparvicapitata</i> were observed and described for the first time based on a fresh collection from Tengchong County, Yunnan Province, China.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"110 ","pages":"185-210"},"PeriodicalIF":2.8,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11584903/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142710240","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>Thyridiumlauri</i> sp. nov. (Thyridiaceae, Thyridiales): a new pathogenic fungal species of bay laurel from Italy.","authors":"Giuseppa Rosaria Leonardi, Dalia Aiello, Chiara Di Pietro, Antonio Gugliuzzo, Giovanna Tropea Garzia, Giancarlo Polizzi, Hermann Voglmayr","doi":"10.3897/mycokeys.110.129228","DOIUrl":"10.3897/mycokeys.110.129228","url":null,"abstract":"<p><p><i>Laurusnobilis</i> is an important Mediterranean tree and shrub native to Italy that is also commercially grown as spice and ornamental plant. Field surveys conducted since 2021 in Sicily (Italy) revealed that bay laurel plants in urban and private gardens and nurseries were severely affected by symptoms of stem blight and internal necrosis, which were associated with ambrosia beetle entry holes in the bark and internal wood galleries. The occurring ambrosia beetle was identified as <i>Xylosandruscompactus</i>, an invasive wood-boring pest previously reported from Sicily. Investigation of fungi from symptomatic tissues primarily resulted in the isolation of <i>Thyridium</i>-like colonies. The main symbiont of <i>X.compactus</i>, <i>Ambrosiellaxylebori</i>, was also isolated from infested plants. Phylogenetic analyses of a combined matrix of ITS, LSU, <i>act1</i>, <i>rpb2</i>, <i>tef1</i>, and <i>tub2</i> gene regions revealed that the isolated <i>Thyridium</i>-like colonies represent a new fungal species within the genus <i>Thyridium</i>. Based on both phylogeny and morphology, the new isolated fungus is described as <i>Thyridiumlauri</i> <b>sp. nov.</b> Moreover, two recently described species, <i>Phialemoniopsishipposidericola</i> and <i>Phialemoniopsisxishuangbannaensis</i>, are transferred to the genus <i>Thyridium</i> due to the confirmed synonymy of both genera, as supported by molecular phylogenies. Pathogenicity test conducted on potted plants demonstrated that <i>T.lauri</i> is pathogenic to bay laurel, causing internal necrosis and stem blight. The new species was consistently re-isolated from the symptomatic tissue beyond the inoculation point, thereby fulfilling Koch's postulates. This study represents the first report of a new pathogenic fungus, <i>T.lauri</i>, causing stem blight and internal necrosis of bay laurel plants and associated with infestation of the invasive ambrosia beetle <i>X.compactus</i>.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"110 ","pages":"211-236"},"PeriodicalIF":2.8,"publicationDate":"2024-11-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11584904/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142711693","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":"Phylogenetic analysis shows that <i>Pyrenula</i> (Pyrenulaceae) diversity is larger than expected: three new species and one new record discovered in China.","authors":"Mingzhu Dou, Jiechen Li, Yongshun Hu, André Aptroot, Zefeng Jia","doi":"10.3897/mycokeys.110.131741","DOIUrl":"10.3897/mycokeys.110.131741","url":null,"abstract":"<p><p>The lichenised fungal genus <i>Pyrenula</i> is a very common crustose lichen element in tropical to subtropical forests, but little research has been done on this genus in China. We carried out an integrative taxonomic study on <i>Pyrenula</i> in China using morphological, anatomical, chemical characters, and molecular data (ITS, nuLSU, mtSSU). Three new species with muriform ascospores containing red oil when over-mature were found: <i>Pyrenulasubmacularis</i> <b>sp. nov.</b>, <i>P.yunguiensis</i> <b>sp. nov.</b> and <i>P.rufotetraspora</i> <b>sp. nov.</b> Molecular data and TLC results of <i>P.macularis</i> and <i>P.breutelii</i> are for the first time reported and show that they are not synonyms. This is the first report of <i>P.breutelii</i> in China. Contrary to the previous reports of this genus, we found lichen substances in all the five species in this study, seemingly terpenoids. A key for the <i>Pyrenula</i> species reported in China is provided.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"110 ","pages":"159-183"},"PeriodicalIF":2.8,"publicationDate":"2024-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11579651/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142689291","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 <i>Cordyceps</i>-like species, <i>Perennicordycepszongqii</i> sp. nov. (Polycephalomycetaceae) and <i>Purpureocilliumzongqii</i> sp. nov. (Ophiocordycipitaceae), in Hypocreales from karst region of China.","authors":"Wan-Hao Chen, Dan Li, Jian-Dong Liang, Xiu-Xiu Ren, Jie-Hong Zhao, Yan-Feng Han","doi":"10.3897/mycokeys.110.135724","DOIUrl":"10.3897/mycokeys.110.135724","url":null,"abstract":"<p><p>Two new <i>Cordyceps</i>-like species, <i>Perennicordycepszongqii</i> and <i>Purpureocilliumzongqii</i>, isolated from a larva and soil, are introduced. Morphological comparisons and phylogenetic analyses based on multigene datasets (ITS, LSU, <i>RPB2</i> and <i>TEF</i>) support the establishment of the new species. Moreover, new species in the families Polycephalomycetaceae and Ophiocordycipitaceae were introduced into Tiankeng and the valley for the first time. Further attention needs to be paid to the diversity of other <i>Cordyceps</i>-like fungi in the special eco-environment of the karst region.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"110 ","pages":"141-158"},"PeriodicalIF":2.8,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11565184/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142649385","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":"Distribution patterns of <i>Calonectria</i> (Ascomycota, Sordariomycetes, Hypocreales, Nectriaceae) species complexes related to diseased leaves and soil habitats during leaf blight outbreak season in <i>Eucalyptus</i> plantations in southern China.","authors":"WenXia Wu, ShuaiFei Chen","doi":"10.3897/mycokeys.110.130733","DOIUrl":"https://doi.org/10.3897/mycokeys.110.130733","url":null,"abstract":"<p><p>Calonectria leaf blight caused by <i>Calonectria</i> species is one of the most important diseases associated with <i>Eucalyptus</i> plantations in Asia and South America. This study aimed to clarify the distribution patterns of <i>Calonectria</i> species residing in different species complexes associated with diseased trees and soils during leaf blight outbreak season in <i>Eucalyptus</i> plantations in southern China. In this study, 482 <i>Calonectria</i> isolates obtained from diseased <i>Eucalyptus</i> trees and soils under these trees in eight sampling sites in three provinces were identified by DNA sequence analyses of <i>tef1</i>, <i>tub2</i>, <i>cmdA</i>, and <i>his3</i> gene regions. Six species residing in three species complexes were identified: <i>Calonectriapseudoreteaudii</i> and <i>C.acaciicola</i> in the <i>Calonectriareteaudii</i> species complex; <i>C.hongkongensis</i>, <i>C.aconidialis</i>, and <i>C.chinensis</i> in <i>C.kyotensis</i> species complex; and <i>C.auriculiformis</i> in <i>C.cylindrospora</i> species complex. The habitats of <i>Calonectria</i> in different species complexes differed, <i>C.reteaudii</i> species complex inhabits in both diseased trees and soils, <i>C.kyotensis</i> species complex only in soils. The Calonectria leaf blight in the sampled regions was caused by species in the <i>C.reteaudii</i> species complex but not by the species in the <i>C.kyotensis</i> species complex. These findings suggest that the species in the <i>C.reteaudii</i> species complex should receive more attention in disease management, as they are the primary cause of the disease in the sampled regions.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"110 ","pages":"117-140"},"PeriodicalIF":2.8,"publicationDate":"2024-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11555429/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142631079","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":"Ophiostomatalean fungi associated with <i>Polygraphus</i> bark beetles in the Qinghai-Tibet Plateau, China.","authors":"Zheng Wang, Caixia Liu, Xiuyue Song, Yingjie Tie, Huimin Wang, Huixiang Liu, Quan Lu","doi":"10.3897/mycokeys.110.135538","DOIUrl":"https://doi.org/10.3897/mycokeys.110.135538","url":null,"abstract":"<p><p>Climate change has exacerbated outbreaks of forest pests worldwide. In recent years, bark beetles have caused significant damage to coniferous forests of the Northern Hemisphere. <i>Polygraphus</i> bark beetles are widely distributed secondary pests. Recently, tree mortality caused by these beetles on the Qinghai-Tibet Plateau has been increasing; however, few studies have focused on their fungal associations. In the present study, we explored the diversity of ophiostomatalean fungi associated with these beetles on the north-eastern and southern Qinghai-Tibet Plateau. We isolated 442 ophiostomatalean strains from adult beetles and their fresh galleries, specifically targeting <i>Polygraphuspoligraphus</i> and <i>Polygraphusrudis</i> infesting <i>Piceacrassifolia</i> and/or <i>Pinusgriffithii</i>. Based on phylogenetic and morphological features, we assigned the 442 strains to 16 species belonging to <i>Grosmannia</i> spp., <i>Leptographium</i> spp. and <i>Ophiostoma</i> spp. Amongst these, <i>Ophiostomamaixiuense</i> and <i>Ophiostomabicolor</i> were the most frequently isolated species, accounting for 20.8% and 18.1% of the total number of ophiostomatalean assemblages, respectively. By comparing their fungal communities, we found that the different patterns of fungal assemblages of bark beetles from the north-eastern and southern Qinghai-Tibet Plateau may be influenced by biogeographic barriers and host tree species. The results of this study enhance our understanding of bark beetle fungal assemblages, especially <i>Polygraphus</i>, on the Qinghai-Tibet Plateau, with implications for forest management under changing climate.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"110 ","pages":"93-115"},"PeriodicalIF":2.8,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11549554/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142631082","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 molecular identification for four new wood-inhabiting species of <i>Lyomyces</i> (Basidiomycota) from China.","authors":"Qi Yuan, Yunchao Li, Yunfei Dai, Kunyan Wang, Yixuan Wang, Changlin Zhao","doi":"10.3897/mycokeys.110.133108","DOIUrl":"https://doi.org/10.3897/mycokeys.110.133108","url":null,"abstract":"<p><p>Fungi are one of the most diverse groups of organisms on Earth, in which the wood-inhabiting fungi play an important role in forest ecosystem processes and functions. Four new wood-inhabiting fungi, <i>Lyomyceshengduanensis</i>, <i>L.niveomarginatus</i>, <i>L.wumengshanensis</i> and <i>L.zhaotongensis</i>, are proposed, based on morphological features and molecular evidence. <i>Lyomyceshengduanensis</i> differs in the brittle basidiomata with pruinose hymenial surface, a monomitic hyphal system and ellipsoid basidiospores (3.5-6 × 3-4.5 µm). <i>Lyomycesniveomarginatus</i> is distinguished by the subceraceous basidiomata with crackled hymenial surface, a monomitic hyphal system and ellipsoid basidiospores (4.5-7 × 3-4 µm). <i>Lyomyceswumengshanensis</i> is distinguished by the grandinioid hymenial surface, a monomitic hyphal system and ellipsoid to broad ellipsoid basidiospores (4-6 × 3-5 µm). <i>Lyomyceszhaotongensis</i> is unique in the grandinioid hymenial surface, a monomitic hyphal system and broadly ellipsoid basidiospores measuring as 2.6-3.5 × 2.5-3 µm. Sequences of ITS and nLSU rRNA markers of the studied samples were generated and phylogenetic analyses were performed using the Maximum Likelihood, Maximum Parsimony and Bayesian Inference methods. The phylogram, based on the ITS+nLSU rDNA gene regions, included three genera within the Schizoporaceae viz. <i>Fasciodontia</i>, <i>Lyomyces</i> and <i>Xylodon</i>, in which the four new species were grouped into <i>Lyomyces</i>. The phylogenetic tree inferred from the ITS sequences highlighted that <i>L.hengduanensis</i> group with <i>L.zhaotongensis</i> and then closely grouped with <i>L.crustosus</i>, <i>L.ochraceoalbus</i>, and <i>L.vietnamensis</i>. The new taxon <i>L.niveomarginatus</i> was retrieved as a sister to <i>L.juniperi</i>. The new species <i>L.wumengshanensis</i> was sister to <i>L.macrosporus</i>. The new taxon <i>L.zhaotongensis</i> grouped with <i>L.hengduanensis</i> and then closely grouped with <i>L.crustosus</i>, <i>L.ochraceoalbus</i> and <i>L.vietnamensis</i>.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"110 ","pages":"67-92"},"PeriodicalIF":2.8,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11541102/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142607017","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 genus <i>Kirschsteiniothelia</i> (Dothideomycetes); Three novel species and a new host record, based on morphology and phylogeny.","authors":"Xia Tang, Rajesh Jeewon, Ruvishika S Jayawardena, Deecksha Gomdola, Yong-Zhong Lu, Rong-Ju Xu, Abdulwahed Fahad Alrefaei, Fatimah Alotibi, Kevin D Hyde, Ji-Chuan Kang","doi":"10.3897/mycokeys.110.133450","DOIUrl":"10.3897/mycokeys.110.133450","url":null,"abstract":"<p><p>During a survey of microfungi associated with forest plants, four specimens related to <i>Kirschsteiniothelia</i> were collected from decaying wood in Guizhou, Hainan and Yunnan Provinces, China. <i>Kirschsteiniothelia</i> species have sexual and asexual forms. They are commonly found as saprophytes on decaying wood and have been reported as disease-causing pathogens in humans as well. In this study, we introduce three novel <i>Kirschsteiniothelia</i> species (<i>K.bulbosapicalis</i>, <i>K.dendryphioides</i> and <i>K.longirostrata</i>) and describe a new host record for <i>K.atra</i>, based on morphology and multi-gene phylogenetic analyses of a concatenated ITS, LSU and SSU rDNA sequence data. These taxa produced a dendryphiopsis- or sporidesmium-like asexual morph and detailed descriptions and micromorphological illustrations are provided. Furthermore, we provide a checklist for the accepted <i>Kirschsteiniothelia</i> species, including detailed host information, habitat preferences, molecular data, existing morphological type, country of origin and corresponding references.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"110 ","pages":"35-66"},"PeriodicalIF":2.8,"publicationDate":"2024-10-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11535726/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142584554","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 evidence reveals novel species and new records of <i>Nigrograna</i> (Nigrogranaceae) associated with medicinal plants in Southwestern China.","authors":"Hong-Zhi Du, Yu-Hang Lu, Ratchadawan Cheewangkoon, Jian-Kui Liu","doi":"10.3897/mycokeys.110.132628","DOIUrl":"10.3897/mycokeys.110.132628","url":null,"abstract":"<p><p>During a survey of saprobic fungal niches in Southwestern China, eighteen ascomycetous collections of <i>Nigrograna</i> (Nigrogranaceae, Pleosporales, Dothideomycetes) were found on dead branches of medicinal plants. These taxa were characterized and identified based on morphological and culture characteristics, and phylogenetic analyses of a combined the internal transcribed spacer region of rDNA (ITS), nuclear large subunit rDNA (28S, LSU), RNA polymerase second-largest subunit (rpb2), nuclear small subunit rDNA (18S, SSU), and translation elongation factor 1-alpha (<i>tef1-α</i>) sequence dataset also confirmed their placement. As a result, four novel species, namely <i>Nigrogranacamelliae</i>, <i>N.guttulata</i>, <i>N.longiorostiolata</i> and <i>N.neriicola</i> were described. Additionally, four new host records of <i>N.acericola</i>, <i>N.magnoliae</i>, <i>N.oleae</i> and <i>N.thymi</i> were introduced. Furthermore, this study addresses the taxonomic status of <i>N.trachycarpi</i>, proposing its synonymy under <i>N.oleae</i>. Detailed illustrations, descriptions and informative notes for each newly identified taxon and novel host record are provided in this study.</p>","PeriodicalId":48720,"journal":{"name":"Mycokeys","volume":"110 ","pages":"1-33"},"PeriodicalIF":2.8,"publicationDate":"2024-10-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11525206/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142570252","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}