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Epichloe typhina

ABSTRACT: A clavicipitaceous systemic phytopathogen

PROVIDER: PRJNA68731 | ENA |

REPOSITORIES: ENA

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			Action	DRS
		Other
	AFSE01.dat.gz	Other
	AFSE01.fasta.gz	Fasta.gz
	AFSE01.master.dat	Other
	AMDI01.dat.gz	Other

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Transformation of Epichloe typhina by electroporation of conidia.

Project description:BackgroundChoke, caused by the endophytic fungus Epichloë typhina, is an important disease affecting orchardgrass (Dactylis glomerata L.) seed production in the Willamette Valley. Little is known concerning the conditions necessary for successful infection of orchardgrass by E. typhina. Detection of E. typhina in plants early in the disease cycle can be difficult due to the sparse distribution of hyphae in the plant. Therefore, a sensitive method to detect fungal infection in plants would provide an invaluable tool for elucidating the conditions for establishment of infection in orchardgrass. Utilization of a marker gene, such as the green fluorescent protein (GFP), transformed into Epichloë will facilitate characterization of the initial stages of infection and establishment of the fungus in plants.FindingsWe have developed a rapid, efficient, and reproducible transformation method using electroporation of germinating Epichloë conidia isolated from infected plants.ConclusionsThe GFP labelled E. typhina provides a valuable molecular tool to researchers studying conditions and mechanisms involved in the establishment of choke disease in orchardgrass.

| S-EPMC3058031 | biostudies-literature

Epichloe typhina

Project description:Epichloe poae Pt Genome sequencing and assembly

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Epichloe typhina

Project description:Epichloe poae Pn Genome sequencing and assembly

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Epichloe typhina E5819

Project description:Whole genome sequence of Epichloë typhina E5819

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The fungal endophyte Epichloe typhina improves photosynthesis efficiency of its host orchard grass (Dactylis glomerata).

Project description:According to the results presented in this paper the fungal endophyte Epichloë typhina significantly improves the growth, PSII photochemistry and C assimilation efficiency of its host Dactylis glomerata. In this paper, we present a comprehensive study of the impact of the endophytic fungi Epichloë typhina on its plant hosts' photosynthesis apparatus. Chlorophyll a fluorescence, gas exchange, immuno-blotting and spectrophotometric measurements were employed to assess photosynthetic performance, changes in pigment content and mechanisms associated with light harvesting, carbon assimilation and energy distribution in Dactylis glomerata colonized with Epichloë typhina. According to the results presented in this study, colonization of D. glomerata results in improved photosynthesis efficiency. Additionally, we propose a new mechanism allowing plants to cope with the withdrawal of a significant fraction of its energy resources by the endophytic fungi. The abundance of LHCI, LHCII proteins as well as chlorophyll b was significantly higher in E+ plants. Malate export out of the chloroplast was shown to be increased in colonized plants. To our knowledge, we are the first to report this phenomenon. Epichloë colonization improved PSII photochemistry and C assimilation efficiency. Elevated energy demands of E+ D. glomerata plants are met by increasing the rate of carbon assimilation and PSII photochemistry.

| S-EPMC4560772 | biostudies-literature

Epichloe typhina subsp. typhina strain:1756

Project description:Epichloe typhina Dg Genome sequencing and assembly

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Epichloe brachyelytri

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Epichloe typhina E8 strain:E8

Project description:Epichloe typhina E8 strain:E8 Genome sequencing and assembly

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Epichloe festucae var. lolii x Epichloe typhina "Lp1"

Project description:Epichloe hybrid Lp1 in culture transcriptome Including transcriptome sequencing of parental proxy species.