Towards a natural classification of Dothidotthia and Thyrostroma in Dothidotthiaceae (Pleosporineae, Pleosporales)

IF 10 1区 生物学 Q1 MYCOLOGY Mycosphere Pub Date : 2019-01-01 DOI:10.5943/mycosphere/10/1/15
K. Hyde, Camarosporiaceae Wanas, Coniothyriaceae W. B. Cooke, Cucurbitariaceae G. Winter, Dothidotthiaceae, Crous, A. J. L. Phillips, Halojulellaceae Suetrong, E. G. Jones, Libertasomycetaceae Crous, Neophaeosphaeriaceae Ariyaw
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引用次数: 14

Abstract

Dothidotthia and Thyrostroma (Dothidotthiaceae, Pleosporineae, Pleosporales) species are plant pathogens causing canker, dieback and leaf spots on a wide range of hosts. However, the naming species is difficult, due to insufficient protologues, poor phylogenetic understanding due to the lack of sequence data from type species and low-quality illustrations. Moreover, the connections between asexual and sexual morphs of these genera are unclear. In this study, fresh samples of Dothidotthia and Thyrostroma were collected from symptomatic twigs and branches in southern European Russia. Multi-gene phylogenetic analyses based on a concatenated LSU, SSU, ITS and TEF1-α sequence dataset were used to investigate the phylogenetic position and confirm relationships of the asexual and sexual morphs in these genera of Dothidotthiaceae. In this study, Dothidotthia can easily be distinguished from Thyrostroma based on multi-gene phylogenetic analyses coupled with morphological characters. The new species, Dothidotthia robiniae, Thyrostroma celtidis, T. lycii, T. moricola, T. robiniae, T. styphnolobii, T. tiliae, T. ulmicola and T. ulmigenum are introduced. In addition, Neodothidotthia negundinicola clusters with species of Dothidotthia and hence Neodothidotthia is synonymized under Dothidotthia. Two new combinations, D. negundinicola and D. negundinis, are introduced.
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多孢子亚纲多孢子亚纲多孢子亚纲多孢子亚纲多孢子亚纲中多孢子亚纲和多孢子亚纲的自然分类
多孢子菌属(Dothidotthiaceae, Pleosporineae, Pleosporales)是一种引起广泛宿主溃疡病、枯死病和叶斑病的植物病原体。然而,由于缺乏足够的原生物种,由于缺乏模式物种的序列数据和低质量的插图,对系统发育的理解不佳,命名物种是困难的。此外,这些属的无性和有性形态之间的联系尚不清楚。在这项研究中,从俄罗斯南部的有症状的树枝和分支中收集了新鲜的Dothidotthia和Thyrostroma样本。利用LSU、SSU、ITS和TEF1-α序列数据进行多基因系统发育分析,确定了这些属的系统发育位置,并确定了这些属的无性和有性形态的关系。在本研究中,多基因系统发育分析结合形态学特征可以很容易地将Dothidotthia与Thyrostroma区分开来。介绍了知更鸟Dothidotthia roiniae、celtima Thyrostroma lycii、T. moricola、robiniae、styphnolobii、T. tiliae、T. ulmicola和T. ulmigenum新种。此外,Neodothidotthia negundinicola与Dothidotthia属同义,因此Neodothidotthia属Dothidotthia属。介绍了两个新组合D. negundinicola和D. negundinis。
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来源期刊
Mycosphere
Mycosphere MYCOLOGY-
CiteScore
30.00
自引率
8.20%
发文量
9
审稿时长
4 weeks
期刊介绍: Mycosphere stands as an international, peer-reviewed journal committed to the rapid dissemination of high-quality papers on fungal biology. Embracing an open-access approach, Mycosphere serves as a dedicated platform for the mycology community, ensuring swift publication of their valuable contributions. All submitted manuscripts undergo a thorough peer-review process before acceptance, with authors retaining copyright. Key highlights of Mycosphere's publication include: - Peer-reviewed manuscripts and monographs - Open access, fostering accessibility and dissemination of knowledge - Swift turnaround, facilitating timely sharing of research findings - For information regarding open access charges, refer to the instructions for authors - Special volumes, offering a platform for thematic collections and focused contributions. Mycosphere is dedicated to promoting the accessibility and advancement of fungal biology through its inclusive and efficient publishing process.
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