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Sample GSM1162766 Query DataSets for GSM1162766
Status Public on Aug 08, 2013
Title fly_Ice1_shIce1_2_ChIP_2
Sample type SRA
 
Source name S2 cell culture
Organism Drosophila melanogaster
Characteristics cell type: S2; Schneider's Drosophila Line 2; Marco Blanchette's Lab
antibody: anti-Ice1 (CG13550, aa 1-192; Smith et al., Mol Cell. 2011 Dec 23;44(6):954-65)
Treatment protocol Cells were fixed for 10 minutes in 1% formaldehyde, quenched with the addition of 1/10 volume of 2.5 M Glycine in PBS for 10 minutes, cells were washed twice in PBS, resuspended in hypotonic buffer and nutated for 10 minutes.3x10e7 cells were pelleted and resuspended in 1.3 ml RIPA buffer with 0.5% Sarkosyl.Cells were sonicated in polyethylene 15 ml tubes for 15 minutes, high output, in a Bioruptor Diagenode) at 4 degrees. Debris was pelleted 10 minutes at 20,000 x g 4° C. ChIP was performed with 200 µl of chromatin and 5 µg of antibodies, and scaled up 10 fold for ChIP-seq. Drosophila Ice1, Ell, and non-targeting RNAi was performed as previously described (Smith et al., Mol Cell. 2011 Dec 23;44(6):954-65) except that S2 cells were grown in SFX serum-free media from HyClone (Thermo/HyClone #SH30278.02).
Growth protocol Drosophila chromatin immunoprecipitation was performed with S2 cells grown in Schneider's media with 10% FBS at room temperature.
Extracted molecule genomic DNA
Extraction protocol ChIP libraries were prepared with the TruSeq DNA Sample Kit (Illumina #FC-121-2001) according to Illumina's instructions.
 
Library strategy ChIP-Seq
Library source genomic
Library selection ChIP
Instrument model Illumina HiSeq 2000
 
Description Chromatin IP of Ice1 after Ice1 RNAi #2
Data processing Alignments were extended to a total fragment length of 150 bases in the orientation of the read alignment. UCSC bedGraph files were created at 25bp resolution and normalized to total alignable reads (reads-per-million).
Base-calling and quality filtering, default settings, Illumina Casava 1.8
Reads were aligned using Bowtie v0.12.7, allowing unique reads only and up to three mismatches of a 50bp seed length.
Peak detection was done using MACS, version 1.4.1 (20110622) using the indicated criteria.
RNA-seq alignments were done using TopHat v1.4.1 Differential expression analysis was done using DESeq corresponding to bioconductor version for R v2.11.1
Supplementary_files_format_and_content: http://genome.ucsc.edu/goldenPath/help/bedgraph.html
Genome_build: UCSC hg19 and UCSC dm3
 
Submission date Jun 13, 2013
Last update date May 15, 2019
Contact name Alexander (Garrett) Garruss
E-mail(s) asg@stowers.org
Organization name Stowers Institute for Medical Research
Lab Shilatifard
Street address 1000 East 50th Street
City Kansas CIty
State/province Missouri
ZIP/Postal code 64110
Country USA
 
Platform ID GPL13304
Series (1)
GSE47938 Multiple roles for LEC in initiation and elongation phases of snRNA gene transcription
Relations
BioSample SAMN02204117
SRA SRX306196

Supplementary file Size Download File type/resource
GSM1162766_Ice1_5_504crude_91012_150_rpm_25.bedGraph.gz 43.2 Mb (ftp)(http) BEDGRAPH
SRA Run SelectorHelp
Raw data are available in SRA
Processed data provided as supplementary file

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