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Transcriptomic analysis of Blumeria graminis triticale on different hosts

ABSTRACT: With this experiment we aimed do identify eventual genes that are differentially expressed by the fungal pathogen Blumeria graminis triticale when it grows on two different hosts (wheat and triticale) We used to fungal isolates, for each of them we infected wheat and triticale and we extracted RNA (and sequenced) from the infected plant tissue. Three technical replicates for each combinations plant-pathogen were used

ORGANISM(S): Blumeria graminis

SUBMITTER: Fabrizio Menardo

PROVIDER: E-GEOD-73399 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Transcriptomic analysis of Blumeria graminis triticale on different hosts

Project description:With this experiment we aimed do identify eventual genes that are differentially expressed by the fungal pathogen Blumeria graminis triticale when it grows on two different hosts (wheat and triticale)

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Project description:Blumeria graminis f.sp. hordei is an obligate biotrohic fungal pathogen causing powdery mildew in barley. As for other biotrophic fungi, haustorial structures are at the centre of the biotrophic interaction and molecular exchanges, delivering fungal effectors or virulence factors, and taking nutrient from the host. Haustoria are originiated by the fungus, following successful penetration of the initial penetration peg through the plant cell call. Haustorial structures mainly of fungal origin, but they are surrounding by a plant component, the extrauhaustorial membrane and matrix (EHM and EHMx) forming the extrahuastorial complex (EHMc). The plant protein make-up of the plant extrahaustorial components remained unexplored, and this is a first study trying to describe plant proteome associated with haustoria using samples enriched for these structures. Therefore, proteomes of haustoria enriched samples from the epidermis of barley leaves infected with Blumeria graminins f.sp. hordei, the causing agent of barley powdery mildew, were compared to infected epidermis and un-infected epidermis to identify haustoria associated plant proteins. Haustoria were enriched from infected epidermis by digesting epidermal cell walls with cell wall degrading enzymes prior to enrichment for haustorial structures. Proteins identified in these samples were compared to infected and uninfected epidermis samples using a non-targeted label free semi-quantitation method.

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Iso-Seq analysis of barley CI 16151 and fast-neutron-derived, immune-compromised mutants infected with the powdery mildew fungus (Blumeria graminis f. sp. hordei; isolate 5874)

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Small RNA sequencing of Barley CI 16151 and fast-neutron-derived, immune-compromised mutants infected with the powdery mildew fungus (Blumeria graminis f. sp. hordei (Bgh); isolate 5874)

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