Project description:Post-transcriptional gene regulation plays a significant role in the response to oxygen deprivation. Here, we utilized advances in next-generation sequencing technology to examine changes in transcriptional control, mRNA loading on to polysome, and regulation of ribosome activity during mRNA translation in 7-day-old Arabidopsis seedlings subjected to 2 hour hypoxia treatment.

2013-11-23 | GSE50597 | GEO

gcn2/WT polysome loading and transcript level in Arabidopsis thaliana

Project description:To understand the role of GCN2 in regulating translation, we compared the polysome loading state and overall transcript level between Arabidopsis thaliana wild type (ecotype Landsberg erecta) and gcn2 (Genetrap line GT8359, Cold Spring Harbor Laboratory) seedlings with or without herbicide chlorosufuron treatment RNA was fractionated using sucrose gradients into polysomal and nonpolysomal RNAs. We also determined overall total transcript levels. We used Affymetrix ATH1 microarrays.

2015-12-01 | GSE52116 | GEO

Transcription profiling of Arabidopsis under hypoxia stress to assess proportion of transcript associated with large polysomes

Project description:7d-old WT ler seedlings were submitted to 12h of non-stress (air) or hypoxia-stress treatment under low light conditions (45 uM m-2 s-2), and Total and Large Polysome RNA from both treatments were extracted and hybridized against Affymetrix genome chips. Values were used to evaluate changes in transcript abundance and transcript association with large polysomal complexes. TABLE 1 - Comparison between transcript abundance in non-stress and hypoxia-stress conditions. TABLE 2 - Comparison between transcript abundance in large polysome complexes (5 or more ribosomes per mRNA) in non-stress and 12 hypoxia-stress conditions. TABLE 3 - Proportion of total transcript that is associated with large polysome complexes (polysome loading) under non-stress conditions. Raw data (not normalized); TABLE 4 - Proportion of total transcript that is associated with large polysome complexes (polysome loading) under 12h of hypoxia-stress. Raw data (not normalized)

2008-06-11 | E-GEOD-2218 | biostudies-arrayexpress

Project description:eif3k/WT polysome loading and transcript levels

| PRJNA139609 | ENA

Arabidopsis thaliana

Project description:Arabidopsis polysome microarray

| PRJNA91385 | ENA

Arabidopsis polysome microarray

Project description:Microarray experiment with polysomal and non-polysomal RNAs extracted under non-stress and mild-dehydration stress. Keywords = translation Keywords = ribosome loading Keywords = polysome Keywords = dehyrdation Keywords: other

2005-02-12 | GSE2268 | GEO

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