孢子菌科:一种重要的植物病原真菌属。

IF 9.5 1区 生物学 Q1 MYCOLOGY
Persoonia Pub Date : 2018-12-01 Epub Date: 2018-01-09 DOI:10.3767/persoonia.2018.40.04
G Bonthond, M Sandoval-Denis, J Z Groenewald, P W Crous
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引用次数: 26

摘要

Seiridium属包括多种植物病原真菌,被认为是柏科溃疡病的致病生物。在分类学上,一些物种的地位一直是一个有争议的话题,因为该属的系统发育仍未解决,而且大多数没有真正的前型文化。本研究对CBS和IMI收集的大量Seiridium培养物和标本进行了形态学和系统发育研究,以确定该属的分类。这些调查包括了最重要的柏科病原菌的类型材料,即红柏树、柏树和独角兽。我们基于ITS rDNA区域、部分翻译延伸因子1- α (TEF)、β-微管蛋白(TUB)和RNA聚合酶II核心亚基(RPB2)四个位点构建了Seiridium的系统发育。基于这些结果,我们能够证实独角兽和柏树代表不同的物种。此外,还发现了5个新种,并对柏树和桉树进行了选型和选型。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

<i>Seiridium</i> (<i>Sporocadaceae</i>): an important genus of plant pathogenic fungi.

<i>Seiridium</i> (<i>Sporocadaceae</i>): an important genus of plant pathogenic fungi.

<i>Seiridium</i> (<i>Sporocadaceae</i>): an important genus of plant pathogenic fungi.

Seiridium (Sporocadaceae): an important genus of plant pathogenic fungi.

The genus Seiridium includes multiple plant pathogenic fungi well-known as causal organisms of cankers on Cupressaceae. Taxonomically, the status of several species has been a topic of debate, as the phylogeny of the genus remains unresolved and authentic ex-type cultures are mostly absent. In the present study, a large collection of Seiridium cultures and specimens from the CBS and IMI collections was investigated morphologically and phylogenetically to resolve the taxonomy of the genus. These investigations included the type material of the most important Cupressaceae pathogens, Seiridium cardinale, S. cupressi and S. unicorne. We constructed a phylogeny of Seiridium based on four loci, namely the ITS rDNA region, and partial translation elongation factor 1-alpha (TEF), β-tubulin (TUB) and RNA polymerase II core subunit (RPB2). Based on these results we were able to confirm that S. unicorne and S. cupressi represent different species. In addition, five new Seiridium species were described, S. cupressi was lectotypified and epitypes were selected for S. cupressi and S. eucalypti.

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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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