A preliminary account of the Cucurbitariaceae

IF 14.1 1区生物学 Q1 MYCOLOGY

Studies in Mycology Pub Date : 2018-06-01 DOI:10.1016/j.simyco.2017.11.002

W.M. Jaklitsch , J. Checa , M.N. Blanco , I. Olariaga , S. Tello , H. Voglmayr

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引用次数: 40

Abstract

Fresh collections, type studies and molecular phylogenetic analyses of a multigene matrix of partial nuSSU-ITS-LSU rDNA, rpb2, tef1 and tub2 sequences were used to evaluate the boundaries of Cucurbitaria in a strict sense and of several related genera of the Cucurbitariaceae. Two species are recognised in Cucurbitaria and 19 in Neocucurbitaria. The monotypic genera Astragalicola, Cucitella, Parafenestella, Protofenestella, and Seltsamia are described as new. Fenestella is here included as its generic type F. fenestrata (= F. princeps), which is lecto- and epitypified. Fenestella mackenzei and F. ostryae are combined in Parafenestella. Asexual morphs of Cucurbitariaceae, where known, are all pyrenochaeta- or phoma-like. Comparison of the phylogenetic analyses of the ITS-LSU and combined matrices demonstrate that at least rpb2 sequences should be added whenever possible to improve phylogenetic resolution of the tree backbone; in addition, the tef1 introns should be added as well to improve delimitation of closely related species.

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瓜科植物的初步介绍

通过对部分nuSSU-ITS-LSU rDNA、rpb2、tef1和tub2序列的新鲜采集、类型研究和多基因矩阵的分子系统发育分析，对葫芦属植物和葫芦科几个近缘属进行了严格意义上的边界鉴定。葫芦属2种，新葫芦属19种。单型属黄芪属、杜鹃属、副凤属、原凤属和Seltsamia属为新属。这里包括Fenestella作为它的一般类型F. fenestrata (= F. princeps)，这是lecto- and epitypated。kenzei Fenestella和ostryae f.s在Parafenestella中合并。葫芦科的无性变种，在已知的地方，都是pyrenochaeta-或phoma-like。ITS-LSU和组合矩阵的系统发育分析比较表明，为了提高树骨架的系统发育分辨率，应尽可能添加至少rpb2序列;此外，还应添加tef1内含子，以改善近缘种的区分。

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来源期刊

Studies in Mycology 生物-真菌学

CiteScore

35.60

自引率

3.00%

发文量

期刊介绍： The international journal Studies in Mycology focuses on advancing the understanding of filamentous fungi, yeasts, and various aspects of mycology. It publishes comprehensive systematic monographs as well as topical issues covering a wide range of subjects including biotechnology, ecology, molecular biology, pathology, and systematics. This Open-Access journal offers unrestricted access to its content. Each issue of Studies in Mycology consists of around 5 to 6 papers, either in the form of monographs or special focused topics. Unlike traditional length restrictions, the journal encourages submissions of manuscripts with a minimum of 50 A4 pages in print. This ensures a thorough exploration and presentation of the research findings, maximizing the depth of the published work.