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Sample GSM6601644 Query DataSets for GSM6601644
Status Public on Oct 03, 2022
Title INR1P.1
Sample type SRA
 
Source name DNA from radicles germinated 20°C dark_R1P
Organism Medicago truncatula
Characteristics cultivar: A17
treatment: 1mm radicle+PEG treat.+desiccation
harvest: seeds from 2017 and 2018
tissue: dried radicles
chip antibody: anti-H3K27me3
Treatment protocol desiccation or PEG and desiccation
Growth protocol Plants were grown in a culture room in trays containing a sterile soil at 20°C/18°C, with a 16 h light photoperiod at 200 μmol photons m -²s-².
Extracted molecule genomic DNA
Extraction protocol Extraction protocol as explained in Cortijo et al, 2018 (https://doi.org/10.1007/978-1-4939-7747-5_18)
Library construction by Microplex diagenodef protocol. Samples were sent to BGI, Hong Kong, for sequencing. https://www.diagenode.com/en/p/microplex-library-preparation-kit-v2-x12-12-indices-12-rxns
 
Library strategy ChIP-Seq
Library source genomic
Library selection ChIP
Instrument model DNBSEQ-G400
 
Description Rep1
Data processing TrimGalore to trim short reads (remove adapters)
Fastqc to check sequencing quality control
STAR mapper to map reads against the genome: STAR --readFilesIn read1.fq.gz read2.fq.gz --genomeDir genome index --outFileNamePrefix results_file --runThreadN 20 --outFilterMultimapNmax 1 --outFilterMismatchNmax 999 --outFilterMismatchNoverLmax 0.06 --alignIntronMax 1 --outSAMtype BAM SortedByCoordinate --readFilesCommand 'gunzip -c'
Read deduplication using Picard Markduplicates algorithm
BAMcoverage to transform raw data in bigwig
Peak calling using macs2 callpeak function to statistically identify binding sites using INPUT and IP files. Broad peak calling setting for H3K27me3 and narrow peak calling setting for H3ac according to ENCODe recommendations.
Assembly: MtrunA17r5.0-20161119-ANR.fasta
Supplementary files format and content: bigwig files representing the chromatin accessibility (more reads = chromatin regions bound with h3K27me3)
 
Submission date Sep 26, 2022
Last update date Oct 03, 2022
Contact name Jerome Verdier
E-mail(s) Jerome.verdier@inrae.fr
Organization name INRAE / IRHS
Lab SEED
Street address Rue Georges Morel
City Angers
ZIP/Postal code 49000
Country France
 
Platform ID GPL30653
Series (1)
GSE214220 DNA sequencing of Medicago truncatula from ChIP-seq experiment - roots of germinated seeds at 1mm, 1mm+PEG, 5mm (after immunoprecipitation of H3k27me3)
Relations
BioSample SAMN31023072
SRA SRX17711014

Supplementary data files not provided
SRA Run SelectorHelp
Raw data are available in SRA
Processed data provided as supplementary file

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