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Arabidopsis ecotypes-Transcriptionnal response to potyviruses infection in Arabidopsis

ABSTRACT: ra06-05_potyvirus-ecotypes - arabidopsis ecotypes - Common and specific genes deregulated in response to various potyviruses in different Arabidopsis genetic backgrounds. - Four different Arabidopsis ecotypes were inoculated with one Potyviruse. About 4 weeks after sowing, the 6 expanded leaves plants were inoculated with the different viruses or were mock-inoculated. Seven days after inoculation, inoculated leaves were collected, RNA was extracted and virus infection controlled. RNA fron infected plants was then used for microarrays hybridization. Three biological repeat have been done and two dye-swap. Keywords: normal vs disease comparison

ORGANISM(S): Arabidopsis thaliana

PROVIDER: GSE10711 | GEO | 2008/10/20

SECONDARY ACCESSION(S): PRJNA107591

REPOSITORIES: GEO

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arabidopsis ecotypes-Transcriptionnal response to potyviruses infection in Arabidopsis

Project description:ra06-05_potyvirus-ecotypes - arabidopsis ecotypes - Common and specific genes deregulated in response to various potyviruses in different Arabidopsis genetic backgrounds. - Four different Arabidopsis ecotypes were inoculated with one Potyviruse. About 4 weeks after sowing, the 6 expanded leaves plants were inoculated with the different viruses or were mock-inoculated. Seven days after inoculation, inoculated leaves were collected, RNA was extracted and virus infection controlled. RNA fron infected plants was then used for microarrays hybridization. Three biological repeat have been done and two dye-swap. Keywords: normal vs disease comparison 6 dye-swap - CATMA arrays

2010-05-18 | E-GEOD-10711 | biostudies-arrayexpress

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potyvirus effect-Transcriptionnal response to potyviruses infection in Arabidopsis

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Project description:The mechanism by which plants regulate channeling of photosynthetically derived electrons into different areas of chloroplast metabolism remains obscure. In higher plants, these electrons are made accessible to stromal enzymes, or cyclic electron flow, as reduced ferredoxin (Fd), or NADPH. We investigated how the specific loss of an Arabidopsis (Arabidopsis thaliana) ferredoxin:NADPH reductase (FNR) isoprotein affected channeling of photosynthetic electrons into NADPH and Fd dependent metabolism. Affymetrix gene chip comparison of transcript changes in these mutants against two different ecotype backgrounds indicates that stress signaling is perturbed, and experiments revealed that the mutants are more susceptible to oxidative stress. Experiment Overall Design: We isolated arabidopsis mutants of the FNR1 gene in different ecotypes, extracted RNA from these and respective wild type plants and hybridised it to Affymetrix microarrays

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