Citation for Study 12959
Zhu M., Ren A., Wen W., & Gao Y. 2013. Diversity and taxonomy of endophytes from Leymus chinensis in the Inner Mongolia steppe of China. FEMS Microbiology Letters, .
- Zhu M. (submitter) 86-22-23508399
- Ren A.
- Wen W.
- Gao Y.
Epichloë species and their anamorphic relatives, Neotyphodium species, are fungal symbionts of grasses, ubiquitously existing all over the world. To date, thirteen Epichloë species and twenty Neotyphodium species have been formally described, based on morphological characters and phylogenetic analyses. Most of them are from the native grass. Leymus chinensis (Poaceae) is a dominant grass native to the Inner Mongolia steppe of China. Previously, it was reported to harbor endophytes, but little was known about these endophytes. To investigate their diversities and taxonomy, 96 fungal isolates were obtained from three field populations of L. chinensis. The isolates were classified into three morphotypes based on morphological characters and phylogenetic analyses of β–tubulin gene (tubB), translation elongation factor 1–α gene (tefA) and actin genes (actG) sequences. The dominant morphotype, morphotype I, was identified as a choke disease endophyte, Epichloë bromicola. This broadened the host range and phylogenetic definition of E. bromicola.
Epichloë, phylogenetic analysis, Neotyphodium, tubB, tefA, actG
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