Epitypification of Fusarium oxysporum - clearing the taxonomic chaos.

IF 9.5 1区 生物学 Q1 MYCOLOGY
Persoonia Pub Date : 2019-01-01 Epub Date: 2018-12-18 DOI:10.3767/persoonia.2019.43.01
L Lombard, M Sandoval-Denis, S C Lamprecht, P W Crous
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引用次数: 107

Abstract

Fusarium oxysporum is the most economically important and commonly encountered species of Fusarium. This soil-borne fungus is known to harbour both pathogenic (plant, animal and human) and non-pathogenic strains. However, in its current concept F. oxysporum is a species complex consisting of numerous cryptic species. Identification and naming these cryptic species is complicated by multiple subspecific classification systems and the lack of living ex-type material to serve as basic reference point for phylogenetic inference. Therefore, to advance and stabilise the taxonomic position of F. oxysporum as a species and allow naming of the multiple cryptic species recognised in this species complex, an epitype is designated for F. oxysporum. Using multi-locus phylogenetic inference and subtle morphological differences with the newly established epitype of F. oxysporum as reference point, 15 cryptic taxa are resolved in this study and described as species.

Abstract Image

Abstract Image

Abstract Image

尖孢镰刀菌的类型化——清理分类混乱。
尖孢镰刀菌(Fusarium oxysporum)是经济上最重要和最常见的镰刀菌。众所周知,这种土壤传播的真菌既含有致病性菌株(植物、动物和人类),也含有非致病性菌株。然而,在其目前的概念中,尖孢霉是一个由许多隐种组成的物种复合体。由于存在多个亚特异性分类系统,并且缺乏活的前型材料作为系统发育推断的基本参考点,因此鉴定和命名这些隐物种非常复杂。因此,为了推进和稳定尖孢霉作为一个物种的分类地位,并允许在该物种复合体中识别的多个隐种的命名,为尖孢霉指定了一个表型。通过多位点系统发育推断和与新建立的尖孢霉表型的细微形态差异,本研究确定了15个隐分类群,并将其描述为种。
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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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