Parametarhizium (Clavicipitaceae) gen. nov. With Two New Species as a Potential Biocontrol Agent Isolated From Forest Litters in Northeast China
文献类型: 外文期刊
作者: Siyu Gao;Wei Meng;Lixiang Zhang;岳群;Xu Zheng;Lijian Xu
作者机构:
关键词: 3 new taxa; biopesticide; entomopathogenic fungi; metarhizium; phylogeny; taxonomy
期刊名称: Frontiers in Microbiology
ISSN: 1664-302X
年卷期: 2021 年 12 卷
页码:
收录情况: JCR(2021版)
摘要: A novel genus Parametarhizium with two new entomopathogenic species, Parametarhizium changbaiense and Parametarhizium hingganense, was introduced based on their morphological characteristics and a multigene phylogenetic analysis, which were isolated from the forest litters collected in Northeast China. To infer their phylogenetic relationships, a six-gene dataset consisting of DNA fragments of [nuclear small subunit rDNA (SSU) + LSU + TUB + TEF + RPB1 + RPB2] was used for phylogenetic analysis, including 105 related fungi. The new genus Parametarhizium formed a monophyletic clade basal to Metarhizium and its related genera (formerly Metarhizium sensu lato). Parametarhizium can be morphologically distinguished from related genera by the combination of the following characteristics: formation of white to yellow colonies on different media, candelabrum-like arrangement of cylindrical or obpyriform phialides, and small subglobose to ellipsoidal conidia. Both P. hingganense and P. changbaiense exhibited anti-insect activities against three farmland pests Monolepta hieroglyphica, Callosobruchus chinensis, and Rhopalosiphum maidis. This is the first report of entomopathogenic fungi exhibiting the anti-insect activity against Mo. hieroglyphica. © Copyright © 2021 Gao, Meng, Zhang, Yue, Zheng and Xu.
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