Arabidopsis thaliana
Ontology highlight
ABSTRACT:
PROVIDER: PRJNA126153 | ENA |
REPOSITORIES: ENA
Similar Datasets
Project description:Genome-wide identification of SCARECROW (SCR) direct targets using a custom Agilent promoter array
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Project description:SHR is a key regulator of stem cell renewal and radial patterning in the Arabidopsis root. In previous studies we showed that the SHR is a transcriptional regulator and it regulates gene transcription directly. To fully understand the SHR developmental pathway, we aim to identify its direct target at the genome scale using the ChIP-on-chip method. To this end, we have designed a promoter microarray for Arabidopsis, which contains probes that tile the intergenic regions as well as the first intron and the 3' UTR for all annotated genes including miRNA genes. Chromatin immunoprecipitation (ChIP) was performed using an anti-GFP antibody on the root of a transgenic line expressing under the SHR promoter a functional fusion protein between SHR and GFP. After labeling with Cy5 and Cy3 respectively, DNA recoverd from the ChIP and mock experiments was hybridized to the same microarray. The array was scanned using an Agilent scanner and the signal intensity for each channel was retrieved and normalized by the Agilent feature extraction software.
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Project description:SHR is a key regulator of stem cell renewal and radial patterning in the Arabidopsis root. In previous studies we showed that the SHR is a transcriptional regulator and it regulates gene transcription directly. To fully understand the SHR developmental pathway, we aim to identify its direct target at the genome scale using the ChIP-on-chip method. To this end, we have designed a promoter microarray for Arabidopsis, which contains probes that tile the intergenic regions as well as the first intron and the 3' UTR for all annotated genes including miRNA genes. Chromatin immunoprecipitation (ChIP) was performed using an anti-GFP antibody on the root of a transgenic line expressing under the SHR promoter a functional fusion protein between SHR and GFP. After labeling with Cy5 and Cy3 respectively, DNA recoverd from the ChIP and mock experiments was hybridized to the same microarray. The array was scanned using an Agilent scanner and the signal intensity for each channel was retrieved and normalized by the Agilent feature extraction software. Two bilogical replicate ChIP-on-chip experiments were performed; Each array is hybridized with both ChIP and control DNA samples, which are labeled with Cy5 and Cy3 dye respectively;
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Project description:This SuperSeries is composed of the following subset Series: GSE30091: Expression analysis of the effect of protoplasting and sorting in roots exposed to low pH GSE30095: Expression analysis of root cell types after treatment with low pH GSE30096: Expression analysis of developmental stages of Arabidopsis roots exposed to low pH GSE30097: Time-course expression analysis of the low pH (pH 4.6) response in Arabidopsis whole roots GSE30098: Expression analysis time-course of Arabidopsis roots to sulfur deficiency GSE30099: Expression analysis of root cell types after treatment with sulfur deficient media GSE30100: Expression analysis of developmental stages of Arabidopsis roots exposed to sulfur deficient media GSE30104: Genome-wide identification of SCARECROW (SCR) direct targets using a custom Agilent promoter array Refer to individual Series
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