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Identification of Three Epichloe Endophytes from Hordeum bogdanii Wilensky in China.


ABSTRACT: Cool season grasses often form reciprocal symbiotic relationships with endophytic fungal species in genus Epichloë. In this study, we characterized three fungal endophytes isolated from the grass Hordeum bogdanii native to northwest China. Based on morphological characteristics and phylogenetic analyses of tefA, tubB, and actG sequences, we identified them as Epichloë sp. HboTG-2 (H. bogdanii Taxonomic Group 2: E. bromicola × E. typhina). Alkaloid synthesis related genes analysis showed that Epichloë sp. HboTG-2 may have the ability only to produce peramine which is toxic to insects but not to animals. In the process of this study, we did not observe sexual structures or epiphyllous growth on leaves of infected plants.

SUBMITTER: Wang T 

PROVIDER: S-EPMC9502125 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature

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Identification of Three <i>Epichloë</i> Endophytes from <i>Hordeum bogdanii</i> Wilensky in China.

Wang Tian T   Chen Taixiang T   White James F JF   Li Chunjie C  

Journal of fungi (Basel, Switzerland) 20220831 9


Cool season grasses often form reciprocal symbiotic relationships with endophytic fungal species in genus <i>Epichloë</i>. In this study, we characterized three fungal endophytes isolated from the grass <i>Hordeum bogdanii</i> native to northwest China. Based on morphological characteristics and phylogenetic analyses of <i>tefA</i>, <i>tubB</i>, and <i>actG</i> sequences, we identified them as <i>Epichloë</i> sp. HboTG-2 (<i>H. bogdanii</i> Taxonomic Group 2: <i>E. bromicola</i> × <i>E. typhina<  ...[more]

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