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Accession IconGSE16056

Gene expression profile in root and flower mediated by GLUCOSE-INHIBITED ROOT ELONGATION1 (GIR1)

Organism Icon Arabidopsis thaliana
Sample Icon 14 Downloadable Samples
Technology Badge Icon Affymetrix Arabidopsis ATH1 Genome Array (ath1121501)

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Description
We isolated the glucose-inhibited root elongation1 (gir1) mutant from a genetic screen of activation T-DNA tagged seeds grown on 6% glucose agar plates. The gir1 mutant showed short swollen root phenotype at the presence of glucose and had a sever sterility when grown in soil. To better understand the molecular basis of GIR1-mediated gene expression, the Affymetrix ATH1 GeneChip was used to analyze the gene expression profiling in the gir1 mutant. The results showed that cell wall, carbohydrate, and lipid metabolic or transporter-related genes were altered expression pattern. These data suggest that GIR1 regulates root and flower growth and development through cell wall modification and, perhaps, membrane trafficking.
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