Single host plant species may harbour more than one species of Peronospora – a case study on Peronospora infecting Plantag

IF 9.5 1区 生物学 Q1 MYCOLOGY Persoonia Pub Date : 2024-06-30 DOI:10.3767/persoonia.2024.52.04
M. Mu, Y.-J. Choi, J. Kruse, J.A. Crouch, S. Ploch, M. Thines
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引用次数: 0

Abstract

The genus Peronospora is the largest genus of the oomycetes, fungus-like members of the kingdom Straminipila that also contains amoeboid (e.g., Leukarachnion) and plant-like (e.g., Laminaria) life forms. Peronospora species are obligate biotrophic plant pathogens, causing high economic losses in various crops and ornamentals, including Plantago species. Several species of Plantago are used as specialty crops and medicinal plants. In this study, Peronospora species parasitic on Plantago were investigated based on morphology and phylogenetic analyses using two nuclear (ITS, nrLSU) loci and one mitochondrial (cox2) locus. As a result of these investigations, 10 new species are added to the already known Peronospora species on Plantago. Interestingly, it was found that four independent species are parasitic to Plantago major, highlighting that the reliance on the host plant for pathogen determination can be misleading in Peronospora. Taking this into account, morphological and phylogenetic analyses should be conducted as a prerequisite for effective quarantine regulations and phytosanitary measures.
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单一寄主植物物种可能携带不止一种 Peronospora --关于感染植物的 Peronospora 的案例研究
Peronospora 属是卵菌纲中最大的一个属,它是 Straminipila 王国中的真菌类成员,该王国还包括变形虫(如 Leukarachnion)和植物类(如 Laminaria)生命形式。Peronospora 物种是一种强制性生物营养植物病原体,对包括车前草在内的各种作物和观赏植物造成了严重的经济损失。车前草的几个品种被用作特种作物和药用植物。本研究根据形态学和使用两个核基因位点(ITS、nrLSU)和一个线粒体基因位点(cox2)进行的系统发育分析,对寄生在车前草上的 Peronospora 种进行了调查。这些研究的结果是,在已知的车前草 Peronospora 种类中又增加了 10 个新种类。有趣的是,研究发现有 4 个独立的物种寄生在大车前草上,这突出表明依靠寄主植物来确定 Peronospora 的病原体可能会产生误导。考虑到这一点,应进行形态学和系统发生学分析,作为有效检疫规定和植物检疫措施的先决条件。
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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.
期刊最新文献
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