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Sample GSM1050334 Query DataSets for GSM1050334
Status Public on Feb 14, 2014
Title H3K27me3 ChIP-seq Coc Rep1
Sample type SRA
 
Source name NAc dissection from 3-5 animals
Organism Mus musculus
Characteristics tissue: nucleus accumbens
strain: C57BL/6
chip antibody: H3K27me3
treatment: Repeated cocaine I.P. injection for 1w at 20mg/kg
chip antibody vendor/catalog: Abcam Cat#ab6002
passages: N/A
Treatment protocol N/A
Growth protocol N/A
Extracted molecule genomic DNA
Extraction protocol Crosslink with 1% formaldehyde for 10 min and pool 20 NAc for one replicate. Homogenize and sonicate by using bioruptor.
Antibodies were all ChIP grade from Abcam. Around ten nanograms of input DNA or pull-down DNA was used for sequencing library prep following the instructions of Illumina’s ChIP-seq sample prep kit (cat#IP-102-1001). In brief, DNA fragment overhangs were converted into phosphorylated blunt ends, using T4 DNA polymerase, Klenow polymerase, and T4 polynucleotide kinase. An “A” base was then added to the DNA fragments to enable ligation to the adapters, which have a single “T” overhang. The constructed library was then run on a 2% agarose gel and size selected between 175-300 bp. Lastly, gel-extracted DNA was further enriched by PCR and run on a bioanalyzer to validate size distribution and concentration.
 
Library strategy ChIP-Seq
Library source genomic
Library selection ChIP
Instrument model Illumina HiSeq 2000
 
Description diff.k27m3.res.annotated
Data processing Basecalls performed using CASAVA
ChIP-seq reads were aligned to the mm9 genome assembly using Illumina ELAND with default configurations
Uniquely aligned reads were kept and further filtered with PCR redundancy (See Supplemental for details).
Differential sites were found by diffReps (http://code.google.com/p/diffreps/) with window size 200bp and step size 20bp. An FDR<10% was used as cutoff.
genome build: mm9
processed data files format and content: diffReps output is a tab-delimited text file which contains information for each differential site. Each differential site is also annotated by its proximity to genes or heterochromatic regions.
processed data files format and content: BED files contain six columns that represent uniquely aligned, PCR redundancy removed alignments. Columns 4 and 5 are not used.
processed data files format and content: bigWig files are binary representation of wiggle files (http://genome.ucsc.edu/goldenPath/help/bigWig.html). They are converted from the BED files above using the BedTools (https://code.google.com/p/bedtools/).
 
Submission date Dec 08, 2012
Last update date May 15, 2019
Contact name Li Shen
E-mail(s) [email protected]
Organization name Icahn School of Medicine at Mount Sinai
Department Neuroscience
Lab Shen
Street address 1425 Madison Ave
City New York
State/province NY
ZIP/Postal code 10029
Country USA
 
Platform ID GPL13112
Series (2)
GSE42810 Chronic cocaine-regulated epigenome in mouse [ChIP-Seq]
GSE42811 Chronic cocaine-regulated epigenome in mouse
Relations
SRA SRX209188
BioSample SAMN01828032

Supplementary file Size Download File type/resource
GSM1050334_mm9.nac.h3k27me3.coc.rep1.bed.gz 554.8 Mb (ftp)(http) BED
GSM1050334_mm9.nac.h3k27me3.coc.rep1.bw 779.8 Mb (ftp)(http) BW
SRA Run SelectorHelp
Processed data provided as supplementary file
Processed data are available on Series record
Raw data are available in SRA

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