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A monograph of Allantonectria, Nectria, and Pleonectria (Nectriaceae, Hypocreales, Ascomycota) and their pycnidial, sporodochial, and synnematous anamorphs.
Studies in Mycology ( IF 16.5 ) Pub Date : 2014-05-27 , DOI: 10.3114/sim0001
Y Hirooka 1 , A Y Rossman , G J Samuels , C Lechat , P Chaverri
Affiliation  

Although Nectria is the type genus of Nectriaceae (Hypocreales, Sordariomycetes, Pezizomycotina, Ascomycota), the systematics of the teleomorphic and anamorphic state of Nectriasensu Rossman has not been studied in detail. The objectives of this study are to 1) provide a phylogenetic overview to determine if species of Nectria with Gyrostroma, Tubercularia, and Zythiostroma anamorphs form a monophyletic group; 2) define Nectria, segregate genera, and their species using morphologically informative characters of teleomorphic and anamorphic states; and 3) provide descriptions and illustrations of these genera and species. To accomplish these objectives, results of phylogenetic analyses of DNA sequence data from six loci (act, ITS, LSU, rpb1, tef1 and tub), were integrated with morphological characterisations of anamorphs and teleomorphs. Results from the phylogenetic analyses demonstrate that species previously regarded as the genus Nectria having Gyrostroma,Tubercularia, and Zythiostroma anamorphs belong in two major paraphyletic clades. The first major clade regarded as the genus Pleonectria contains 26 species with ascoconidia produced by ascospores in asci, perithecial walls having bright yellow scurf, and immersed or superficial pycnidial anamorphs (Zythiostroma = Gyrostroma). A lineage basal to the Pleonectria clade includes Nectria miltina having very small, aseptate ascospores, and trichoderma-like conidiophores and occurring on monocotyledonous plants. These characteristics are unusual in Pleonectria, thus we recognise the monotypic genus Allantonectria with Allantonectria miltina. The second major clade comprises the genus Nectriasensu stricto including the type species, N. cinnabarina, and 28 additional species. Within the genus Nectria, four subclades exist. One subclade includes species with sporodochial anamorphs and another with synnematous anamorphs. The other two paraphyletic subclades include species that produce abundant stromata in which the large perithecia are immersed, large ascospores, and peculiar anamorphs that form pycnidia or sporodochia either on their natural substrate or in culture. In this study the evolution of species, morphology, and ecology of the three genera, Allantonectria, Nectria, and Pleonectria, are discussed based on the phylogenetic analyses. In addition, descriptions, illustrations, and keys for identification are presented for the 56 species in Allantonectria, Nectria, and Pleonectria.

Taxonomic novelties: New species: Nectria argentinensis Hirooka, Rossman & P. Chaverri, Nectria berberidicola Hirooka, Lechat, Rossman, & P. Chaverri, Nectria himalayensis Hirooka, Rossman, & P. Chaverri, Nectria magnispora Hirooka, Rossman, & P. Chaverri, Nectria mariae Hirooka, Fournier, Lechat, Rossman, & P. Chaverri, Nectriapyriformis Hirooka, Rossman & P. Chaverri, Pleonectria boothii Hirooka, Rossman & Chaverri, Pleonectria clavatispora Hirooka, Rossman & P. Chaverri, Pleonectria ilicicola Hirooka, Rossman & P. Chaverri, Pleonectria okinawensis Hirooka, Rossman & P. Chaverri, Pleonectria pseudomissouriensis Hirooka, Rossman & P. Chaverri, Pleonectria quercicola Hirooka, Checa, Areual, Rossman & P. Chaverri, Pleonectria strobi Hirooka, Rossman & P. Chaverri. New combinations: Cosmospora proteae (Marinc., M.J. Wingf. & Crous) Hirooka, Rossman & P. Chaverri, Nectricladiellaviticola (Berk. & M.A. Curtis) Hirooka, Rossman & P. Chaverri, Neocosmospora guarapiensis (Speg.) Hirooka, Samuels, Rossman & P. Chaverri, Neocosmospora rehmiana (Kirschstein) Hirooka, Samuels, Rossman & P. Chaverri, Pleonectria aquifolii (Fr.) Hirooka, Rossman & P. Chaverri, Pleonectria aurigera (Berk. & Rav.) Hirooka, Rossman & P. Chaverri, Pleonectria chlorinella (Cooke) Hirooka, Rossman & P. Chaverri, Pleonectria coryli (Fuckel) Hirooka, Rossman & P. Chaverri, Pleonectria cucurbitula (Tode: Fr.) Hirooka, Rossman & P. Chaverri, Pleonectria lonicerae (Seeler) Hirooka, Rossman & P. Chaverri, Pleonectria rosellinii (Carestia) Hirooka, Rossman & P. Chaverri, Pleonectria rubicarpa (Cooke) Hirooka, Rossman & P. Chaverri, Pleonectria sinopica (Fr.: Fr.) Hirooka, Rossman & P. Chaverri, Pleonectria sphaerospora (Ellis & Everh) Hirooka, Rossman & P. Chaverri, Pleonectria virens (Harkn.) Hirooka, Rossman & P. Chaverri, Pleonectria zanthoxyli (Peck) Hirooka, Rossman & P. Chaverri.



中文翻译:

Allantonectria、Nectria 和 Pleonectria(Nectriaceae、Hypocreales、Ascomycota)及其分生孢子、孢子体和联线无形体的专着。

虽然NectriaNectriaaceaeHypocrealesSordariomycetes,PezizomycotinaAscomycota )的模式属,但尚未详细研究Nectriasensu Rossman的有性和变形状态的系统学。本研究的目的是 1) 提供系统发育概述以确定具有GyrostromaTuberculariaZythiostroma anamorphs 的Nectria物种是否形成单系群;2) 定义Nectria,分离属,以及它们的物种,使用目的形态和变形状态的形态信息特征;3) 提供这些属和种的描述和插图。为了实现这些目标,将来自六个基因座( act、ITS、LSU、rpb1tef1tub )的 DNA 序列数据的系统发育分析结果与无性形和有性形的形态特征相结合。系统发育分析的结果表明,以前被认为是Nectria属的物种具有GyrostromaTuberculariaZythiostromaanamorphs 属于两个主要的并系进化枝。被认为是Pleonectria属的第一个主要进化枝包含 26 个物种,其中子囊孢子由 asci 中的子囊孢子产生,周壁有亮黄色的皮屑,以及浸没或浅表的分生孢子无形体(Zythiostroma = Gyrostroma)。Pleonectria进化枝的基础谱系包括Nectria miltina,其具有非常小的无菌子囊孢子和类似木霉的分生孢子并出现在单子叶植物上。这些特征在Pleonectria中是不寻常的,因此我们将AllantonectriaAllantonectria miltina 识别为单型属。第二个主要进化枝包括Nectriasensu stricto属,包括模式物种N. cinnabarina和 28 个其他物种。在Nectria属内,存在四个亚进化枝。一个子进化枝包括具有孢子体无形体的物种和另一个具有同线无形体的物种。其他两个并系亚群包括产生丰富基质的物种,其中大周壳浸入其中,大子囊孢子,以及在其天然基质或培养物中形成分生孢子或孢子体的特殊无形体。在这项研究中,三个属的物种、形态和生态学的进化,尿囊菌属,NectriaPleonectria,基于系统发育分析进行讨论。此外,还提供了Allantonectria、NectriaPleonectria中的 56 个物种的描述、插图和识别要点。

分类新奇: 新物种: Nectria argentinensis Hirooka、Rossman & P.​​ Chaverri、Nectria berberidicola Hirooka、Lechat、Rossman 和 P. Chaverri、Nectria himalayensis Hirooka、Rossman 和 P. Chaverri、Nectria magnispora Hirooka、Rossman 和 P. Chaverri , Nectria mariae Hirooka, Fournier, Lechat, Rossman, & P.​​ Chaverri, Nectriapyriformis Hirooka, Rossman & P.​​ Chaverri, Pleonectria palmii Hirooka, Rossman & Chaverri, Pleonectria clavatispora Hirooka, Rossman & P.​​ Chaverri, Pleonectria ilicicola Hirooka, Rossman & P. . Chaverri,Pleonectria okinawensisHirooka、Rossman & P.​​ Chaverri、Pleonectria pseudomissouriensis Hirooka、Rossman & P.​​ Chaverri、Pleonectria quercicola Hirooka、Checa、Areual、Rossman & P.​​ Chaverri、Pleonectria strobi Hirooka、Rossman & P.​​ Chaverri。新组合: Cosmospora proteae (Marinc., MJ Wingf. & Crous) Hirooka, Rossman & P.​​ Chaverri, Nectricladiellaviticola (Berk. & MA Curtis) Hirooka, Rossman & P.​​ Chaverri, Neocosmospora guarapiensis (Speg.) Hirooka, Samuels, Rossman & P. Chaverri, Neocosmospora rehmiana (Kirschstein) Hirooka, Samuels, Rossman & P.​​ Chaverri, Pleonectria aquifolii (Fr.) Hirooka, Rossman & P.​​ Chaverri,Pleonectria aurigera (Berk. & Rav.) Hirooka, Rossman & P.​​ Chaverri, Pleonectriachlorolla (Cooke) Hirooka, Rossman & P.​​ Chaverri, Pleonectria coryli (Fuckel) Hirooka, Rossman & P.​​ Chaverri, Pleonectria cucurbitula (Tode: Fr. ) Hirooka, Rossman & P.​​ Chaverri, Pleonectria lonicerae (Seeler) Hirooka, Rossman & P.​​ Chaverri, Pleonectria rosellinii (Carestia) Hirooka, Rossman & P.​​ Chaverri, Pleonectria rubicarpa (Cooke) Hirooka, Rossman & P.​​ Chaverri, Pleonectria sinopica (Fr.: Fr.) Hirooka, Rossman & P.​​ Chaverri, Pleonectria sphaerospora (Ellis & Everh) Hirooka, Rossman & P.​​ Chaverri,蝮蛇(Harkn.) Hirooka, Rossman & P.​​ Chaverri, Pleonectria zanthoxyli (Peck) Hirooka, Rossman & P.​​ Chaverri。

更新日期:2014-05-27
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