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A new Neotyphodium species from Festuca parvigluma Steud. grown in China

     ¹ Department of Microbiology, College of Life Sciences, Weigang 1, Nanjing, Jiangsu, 210095, China
² Nanjing Agricultural University, Nanjing, Jiangsu
³ College of Life Sciences, Nanjing Agricultural University, China, Nanjing, Jiangsu
⁴ Nanjing Agricultural University, Nanjing, Jiangsu, 210095, China

Neotyphodium species evolved from Epichloö species are asexual, seedborne in many cool-season grasses. Here, we propose a new species inhabiting in Festuca parvigluma Steud. native to China. Morphology, host specificity and molecular phylogenetic evidences support the erection of this new species. Sequences of β-tubulin gene (tubB) introns and translation elongation factor 1- gene (tefA) introns presented two copies in all 5 isolates tested. In the phylogenetic analysis, copy 1 closely related with E. yangzii in Ebr clade, copy 2 with E. typhina in ETC, indicating this new species possibly originated from hybridization of these two clades. Referring to the area of their distribution of host plants, we proposed Neotyphodium sinofestucae Y. Ji, Y. Chen et Z. Wang, sp. nov. for this new species.

Key words: Endophyte, Morphology, Neotyphodium sinofestucae, Phylogenetics