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The genus Thelonectria(Nectriaceae,Hypocreales,Ascomycota)and closely related species with cylindrocarpon-like asexual states

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Fungal Diversity 2016年第5期80卷 411-455页

作者： Catalina Salgado-Salazar Amy YRossman priscila chaverri Department of Plant Science and Landscape Architecture University of Maryland2112 Plant Sciences BuildingCollege ParkMD 20742USA Present address:Systematic Mycology and Microbiology Laboratory USDA-ARSBeltsvilleMD 20705USA Escuela de Biología Universidad de Costa RicaApartado 11501-2060San PedroSan JoséCosta Rica

The genus Thelonectria and closely related species with cylindrocarpon-like asexual states are a group of perithecial ascomycetes in the family Nectriaceae that occur as saprobes and in few cases as pathogens of hardwood trees,shrubs or other *** a key component of forest ecosystems around the world,species relationships and distributions of these fungi are largely *** objectives of this study were to:1)infer species rank phylogenetic relationships of the genus Thelonectria and closely related species with cylindrocarpon-like asexual states and test the monophyly of each of the groups studied;2)delimit taxa establishing taxon circumscriptions;3)resolve nomenclatural issues by identifying redundantly used names and synonyms;and 4)provide an updated outline to the genus,geographical distributions data and identification tools,specifically diagnostic keys and molecular data that can be used as molecular *** recovered consensus phylogeny resulted in a narrow circumscription of the genus Thelonectria,based on the type ***,excluding one of the common species *** to the phylogenetic analyses,*** belongs in a segregate clade that should be recognized as a different *** the genus Thelonectria,a total of four new species and three new combinations are ***,three new genera,closely related to Thelonectria,are described to accommodate species displaying a morphological resemblance to those of Thelonectria:Cinnamomeonectria *** *** as type species,Macronectria *** *** as type species and including four additional newly described species,and Tumenectria *** *** as type species.

关键词： Biodiversity Molecular systematics Nectria-like fungi Phylogeny Saprobes Species complex Species delimitation Taxonomy

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Phylogeny and taxonomic revision of Thelonectria discophora(Ascomycota,Hypocreales,Nectriaceae)species complex

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Fungal Diversity 2015年第1期70卷 1-29页

作者： Catalina Salgado-Salazar Amy Y.Rossman Gary J.Samuels Yuuri Hirooka Romina M.Sanchez priscila chaverri Department of Plant Science and Landscape Architecture University of Maryland2112 Plant Sciences BuildingCollege ParkMD 20742USA Systematic Mycology and Microbiology Laboratory USDA-ARSBeltsvilleMD 20705USA Biodiversity(Mycology) Eastern Cereal and Oilseed Research CentreAgriculture and Agri-Food CanadaOttawaOntario K1A 0C6Canada Centro de Recursos Renovables de la Zona Semiarida-Cerzos Conicet Universidad Nacional del SurCamino La Carrindanga Km7B8000FWB Bahía BlancaProvincia de Buenos AiresArgentina Escuela de Biología Universidad de Costa RicaApartado11501-2060 San PedroSan JoséCosta Rica

Specimens regarded as Thelonectria discophora(Thelonectria,Nectriaceae,Hypocreales)constitute a conspicuous group of saprobic fungi on decaying plant material,characterized by red perithecia each with a broad mammiform(nipple-like)*** asexual state is characterized by a cylindrocarpon-like morphology,with 3–5 septate macroconidia,unicellular microconidia and chlamydospores that are rarely produced in *** the past,*** was regarded as one species with a wide geographic ***,a recent study rejected the monophyly and cosmopolitan distribution of this species,and showed the existence of at least 16 cryptic species distributed in three main *** combining the results of phylogenetic analyses of six nuclear loci and morphological studies,we revised the taxonomy of the *** species complex,resulting in the description of 12 new species and four new combinations based on historic *** though molecular phylogenetic analyses strongly support the segregation of these species,and are in agreement with previous studies,individual diagnostic morphological characters for each species could not be ***,discrete morphological traits corresponding to each of the three main groups of species were *** could be differentiated based on the average values of morphological traits as well as the presence/absence of characteristic asexual propagules and colony growth at ***,illustrations are provided for the recognized species.

关键词： New species Rubus canker Species concept Taxonomy

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含亚洲、欧洲、北美洲山毛榉病害病原菌的Neonectria coccinea复合群的物种概念

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菌物学报 2013年第3期32卷 485-517页

作者： Yuuri HIROOKA Amy Y. ROSSMAN Wen-Ying ZHUANG Catalina SALGADO-SALAZAR priscila chaverri Forestry & Forest Products Research Institute Department of Forest Microbiology 1 Matsunosato Tukuba Ibaraki 305-8687 JAPAN Systematic Mycology and Microbiology Laboratory United States Department of Agriculture Agricultural Research Service 10300 Beltsville Ave. Beltsville Maryland 20705 USA State Key Laboratory of Mycology Institute of Microbiology Chinese Academy of Sciences Beijing 100101 P.R. China University of Maryland Department of Plant Science and Landscape Architecture 2112 Plant Sciences Building College Park Maryland 20742 USA

对包含亚洲、欧洲、北美洲山毛榉病害病原菌在内的Neonectria coccinea复合群中物种之间的系统演化关系以及物种概念进行了探讨。Neonectria faginata(曾处理为*** ***)与狭义的***和***有明显区别。系统树显示5个分支与***群的关系较... 详细信息

对包含亚洲、欧洲、北美洲山毛榉病害病原菌在内的Neonectria coccinea复合群中物种之间的系统演化关系以及物种概念进行了探讨。Neonectria faginata(曾处理为*** ***)与狭义的***和***有明显区别。系统树显示5个分支与***群的关系较为接近,由于缺乏显著的形态差异,它们始终没有在物种的等级上区分。根据形态学、系统发育、寄主专化性和地理因素,采用多基因act、ITS、LSU、rpb1、tef1和tub序列分析的方法,对亚洲、欧洲、北美洲的相关材料进行了研究,结果表明,它们代表4个独立的物种,即***,***,***和***,对每个种进行了详尽的描述和图示。并为Sphaeria coccinea和Neonectria coccinea ***指定了附加模式。

关键词：入侵性病原菌分子系统学猩红新丛赤壳 Neonectriafaginata 小孢新丛赤壳 Neonectriapunicea 物种概念选模式

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