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Sample GSM4411937 Query DataSets for GSM4411937
Status Public on Sep 01, 2020
Title 15235X2 control without gRNA
Sample type SRA
 
Source name AD-293
Organism Homo sapiens
Characteristics group: SpCas9 without gRNA.
Treatment protocol To produce the gRNA, in vitro transcription was performed with MEGAshortscript™ T7 Transcription Kit (Thermofisher). SpCas9 protein was obtained from NEB (M0386M). The reaction was performed in 8µg genomic DNA (AD-293), 120pmol (300nM) SpCas9, 120pmol (300nM) or 360pmol (900nM) gRNA with 1X NEBuffer™ 3.1 (total volume is 400µL) at 37℃ for 8 hours. We found that 360pmol gRNA (Cas9 : gRNA = 1 : 3) showed efficient digestion at the target site. Therefore, we proceeded with 360pmol gRNA treated gDNA for deep sequencing.
Growth protocol 10%FBS/DMEM
Extracted molecule genomic DNA
Extraction protocol Quick-DNA Plus Kit (ZymoResearch)
Illumina TruSeq Nano DNA Sample Prep kit
NovaSeq 2 x 150 bp Sequencing 30X Human Whole Genome
 
Library strategy OTHER
Library source genomic
Library selection other
Instrument model Illumina NovaSeq 6000
 
Description In vitro SpCas9 digested genomic DNA
Data processing The human GRCh38 FASTA file was downloaded from Ensembl and a reference database was created using bowtie2 version 2.3.4.
Adapters were trimmed out of reads using Cutadapt 1.16 and then aligned using Bowtie 2 in end-to-end mode (full options --end-to-end --sensitive --no-unal -k 20).
The aligned reads were loaded into R using the GenomicAlignments package and total coverage and read start coverage were calculated for the plus and minus strands.
Positions with 5 or more read starts were compared to the total coverage and read starts with less than 25% of total coverage were removed.
The filtered read starts on the positive and negative strands were joined to find predicted cut sites with either no overlap (blunt end), 1 base pair gap or 1 base pair overhang.
Genome_build: GRCh38
Supplementary_files_format_and_content: BigWig file from BamCoverage with binSize 1 and samFlagExclude 1792
 
Submission date Mar 15, 2020
Last update date Sep 02, 2020
Contact name Hironori Uehara
E-mail(s) uhironori_0916@yahoo.co.jp
Organization name Loma Linda University
Department Ophthalmology
Lab Ambati lab
Street address 11021 Campus st
City Loma Linda
State/province California
ZIP/Postal code 92350
Country USA
 
Platform ID GPL24676
Series (2)
GSE146997 Digenome for off-target analysis: Start codon disruption with CRISPR/Cas9 prevents murine Fuchs' endothelial corneal dystrophy
GSE146999 Start codon disruption with CRISPR/Cas9 prevents murine Fuchs' endothelial corneal dystrophy
Relations
BioSample SAMN14380125
SRA SRX7913593

Supplementary file Size Download File type/resource
GSM4411937_15235X2.bw 1.6 Gb (ftp)(http) BW
SRA Run SelectorHelp
Raw data are available in SRA
Processed data provided as supplementary file

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