Didymellaceae revisited

IF 14.1 1区生物学 Q1 MYCOLOGY

Studies in Mycology Pub Date : 2017-06-01 DOI:10.1016/j.simyco.2017.06.002

Q. Chen , L.W. Hou , W.J. Duan , P.W. Crous , L. Cai

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引用次数: 113

Abstract

The Didymellaceae is one of the most species-rich families in the fungal kingdom, and includes species that inhabit a wide range of ecosystems. The taxonomy of Didymellaceae has recently been revised on the basis of multi-locus DNA sequence data. In the present study, we investigated 108 Didymellaceae isolates newly obtained from 40 host plant species in 27 plant families, and various substrates from caves, including air, water and carbonatite, originating from Argentina, Australia, Canada, China, Hungary, Israel, Italy, Japan, South Africa, the Netherlands, the USA and former Yugoslavia. Among these, 68 isolates representing 32 new taxa are recognised based on the multi-locus phylogeny using sequences of LSU, ITS, rpb2 and tub2, and morphological differences. Within the Didymellaceae, five genera appeared to be limited to specific host families, with other genera having broader host ranges. In total 19 genera are recognised in the family, with Heracleicola being reduced to synonymy under Ascochyta. This study has significantly improved our understanding on the distribution and biodiversity of Didymellaceae, although the placement of several genera still need to be clarified.

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汤姆要回德国了。

Didymellaceae是真菌王国中物种最丰富的家族之一，包括栖息在广泛生态系统中的物种。近年来，在多位点DNA序列数据的基础上，对菊科植物的分类进行了修订。本研究调查了来自阿根廷、澳大利亚、加拿大、中国、匈牙利、以色列、意大利、日本、南非、荷兰、美国和前南斯拉夫等国的27科40种寄主植物中108株新分离物和洞穴基质，包括空气、水和碳酸盐岩。利用LSU、ITS、rpb2和tub2序列的多位点系统发育和形态差异，鉴定出32个新分类群的68株分离物。在菊科中，5属似乎仅限于特定的寄主科，其他属的寄主范围更广。在这个科中总共有19个属被确认，Heracleicola被归为Ascochyta的同义词。本研究大大提高了我们对菊科植物分布和生物多样性的认识，但仍有几个属的位置有待明确。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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.

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