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Novel species of Huntiella from naturally-occurring forest trees in Greece and South Africa.
MycoKeys ( IF 3.3 ) Pub Date : 2020-07-10 , DOI: 10.3897/mycokeys.69.53205
FeiFei Liu 1, 2 , Seonju Marincowitz 1 , ShuaiFei Chen 1, 2 , Michael Mbenoun 1 , Panaghiotis Tsopelas 3 , Nikoleta Soulioti 3 , Michael J Wingfield 1
Affiliation  

Huntiella species are wood-infecting, filamentous ascomycetes that occur in fresh wounds on a wide variety of tree species. These fungi are mainly known as saprobes although some have been associated with disease symptoms. Six fungal isolates with typical culture characteristics of Huntiella spp. were collected from wounds on native forest trees in Greece and South Africa. The aim of this study was to identify these isolates, using morphological characters and multigene phylogenies of the rRNA internal transcribed spacer (ITS) region, portions of the β-tubulin (BT1) and translation elongation factor 1α (TEF-1α) genes. The mating strategies of these fungi were also determined through PCR amplification of mating type genes. The study revealed two new species; one from Platanus orientalis in Greece and one from Colophospermum mopane and Senegalia nigrescens in South Africa. These novel taxa have been provided with the names, H. hellenicasp. nov. and H. krugerisp. nov., respectively. The former species was found to have a homothallic and the latter a heterothallic mating system.

中文翻译:

希腊和南非天然林木中的新奇菌属。

亨氏菌属是感染木材的丝状子囊菌,出现在各种树木的新鲜伤口上。这些真菌主要被称为腐烂菌,尽管其中一些与疾病症状有关。具有Huntiella spp典型培养特征的六种真菌分离株。是从希腊和南非本地林木上的伤口上收集的。这项研究的目的是使用rRNA内部转录间隔区(ITS),β-微管蛋白(BT1)和翻译延伸因子1α(TEF-1α)基因的形态特征和多基因系统发育来鉴定这些分离株。这些真菌的交配策略也通过交配型基因的PCR扩增来确定。研究发现了两个新物种。一只来自希腊的Platanus Orientalis,另一只来自南非的Collophospermum mopane和Senegalia nigrescens。这些新颖的分类单元已被命名为H. hellenicasp。十一月 和H. krugerisp。分别。发现前者具有同型,而后者则具有异型交配系统。
更新日期:2020-07-20
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