Cytospora (Diaporthales) in China.

IF 9.5 1区 生物学 Q1 MYCOLOGY Persoonia Pub Date : 2020-12-01 Epub Date: 2019-06-18 DOI:10.3767/persoonia.2020.45.01
X L Fan, J D P Bezerra, C M Tian, P W Crous
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引用次数: 46

Abstract

Members of the genus Cytospora are often reported as endophytes, saprobes or phytopathogens, primarily causing canker diseases of woody host plants. They occur on a wide range of hosts and have a worldwide distribution. Although several species have in the past been reported from China, the vast majority are not known from culture or DNA phylogeny. The primary aim of the present study was thus to clarify the taxonomy and phylogeny of a large collection of Cytospora species associated with diverse hosts in China. Cytospora spp. were collected in northeast, northwest, north and southwest China, indicating that the cold and dry environments favour these fungi. In this paper, we provide an assessment of 52 Cytospora spp. in China, focussing on 40 species represented by 88 isolates from 28 host genera. Based on a combination of morphology and a six-locus phylogeny (ITS, LSU, act1, rpb2, tef1-α and tub2), 13 new species and one new combination are introduced. The majority of the species investigated here appear to be host-specific, although further collections and pathogenicity studies will be required to confirm this conclusion.

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标题中国的胞孢子目。
胞孢子菌属的成员经常被报道为内生菌、腐殖菌或植物病原体,主要引起木本寄主植物的溃疡病。它们发生在广泛的宿主上,并在世界范围内分布。虽然过去在中国报道过一些物种,但绝大多数都没有从培养或DNA系统发育中了解。因此,本研究的主要目的是澄清与中国不同寄主相关的大量胞孢子属物种的分类和系统发育。在东北、西北、华北和西南地区采集到胞孢子菌,表明寒冷干燥的环境有利于这些真菌的生长。本文对中国52种胞孢子虫进行了鉴定,重点分析了来自28个寄主属的88株40种胞孢子虫。基于形态学组合和6位点系统发育(ITS、LSU、act1、rpb2、tef1-α和tub2),共获得13个新种和1个新组合。这里调查的大多数物种似乎是宿主特异性的,尽管需要进一步的收集和致病性研究来证实这一结论。
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来源期刊
Persoonia
Persoonia MYCOLOGY-
CiteScore
17.70
自引率
5.50%
发文量
10
审稿时长
3 months
期刊介绍: Persoonia aspires to publish papers focusing on the molecular systematics and evolution of fungi. Additionally, it seeks to advance fungal taxonomy by employing a polythetic approach to elucidate the genuine phylogeny and relationships within the kingdom Fungi. The journal is dedicated to disseminating high-quality papers that unravel both known and novel fungal taxa at the DNA level. Moreover, it endeavors to provide fresh insights into evolutionary processes and relationships. The scope of papers considered encompasses research articles, along with topical and book reviews.
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