Ahmadpour Abdollah, Ghosta Youbert, Alavi Zahra, Alavi Fatemeh, Hamidi Leila Mohammadi, Rampelotto Pabulo Henrique
Higher Education Center of Shahid Bakeri, Urmia University, Miyandoab 59781-59111, Iran.
Department of Plant Protection, Faculty of Agriculture, Urmia University, Urmia 57561-51818, Iran.
Life (Basel). 2025 May 28;15(6):870. doi: 10.3390/life15060870.
is a large genus of fungi comprising approximately 400 species, currently classified into 29 sections. These fungi exhibit a cosmopolitan distribution, thriving in both natural and human-impacted environments with saprophytic, endophytic, and parasitic lifestyles. As part of our ongoing studies on fungi associated with wetland plants in the families and across various regions of Iran, we isolated 21 fungal strains displaying morphological traits of . Multigene phylogenetic analysis and morphological examination of eight selected strains confirmed their placement within with strong support. These isolates formed a basal clade distinct from the 29 previously recognized sections and six monotypic lineages, leading to the establishment of a new section, section , to accommodate them. Furthermore, two monophyletic lineages within this section were identified, representing two new species, and , which are described and illustrated in this study. The new section is distinguished by long, semi-macronematous to macronematous conidiophores with multiple geniculate and sympodial proliferations, as well as solitary, non-beaked conidia that have only transverse eu-septa to pseudo-septa. The newly described species are differentiated based on conidiophore and conidial characteristics and nucleotide sequence comparisons of genomic regions. These results contribute to a better understanding of the distribution and host range of species, while highlighting the importance of ongoing research into fungal taxonomy and biodiversity in Iran, a region rich in potential for the discovery of new fungal species.
是一个大型真菌属，包含约400个物种，目前分为29个组。这些真菌分布于世界各地，在自然环境和受人类影响的环境中均能生长，具有腐生、内生和寄生的生活方式。作为我们正在进行的关于伊朗不同地区和科湿地植物相关真菌研究的一部分，我们分离出了21株表现出形态特征的真菌菌株。对8株选定菌株的多基因系统发育分析和形态学检查证实它们在中有很强的支持下的位置。这些分离株形成了一个基部类群，与之前确认的29个组和6个单型谱系不同，从而建立了一个新的组，组，以容纳它们。此外，在这个组中鉴定出了两个单系谱系，代表两个新物种，和，本研究对它们进行了描述和说明。新组的特征是具有多个膝状和假轮状增殖的长的、半大型至大型分生孢子梗，以及仅具有横向真隔膜至假隔膜的孤立的、无喙分生孢子。新描述的物种根据分生孢子梗和分生孢子特征以及基因组区域的核苷酸序列比较进行区分。这些结果有助于更好地了解物种的分布和宿主范围，同时突出了对伊朗真菌分类学和生物多样性进行持续研究的重要性，伊朗是一个具有发现新真菌物种潜力的地区。
