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Sample GSM2396743 Query DataSets for GSM2396743
Status Public on Nov 19, 2016
Title ecoli_k12_pBADsigma32I54N_30C_m_2
Sample type SRA
 
Source name E. coli cultures
Organism Escherichia coli str. K-12 substr. MG1655
Characteristics plasmid: pBADsigma32I54N
growth temperature: 30C
induction: 0.2% arabinose
treatment temperature: 30C
heat shock time: None
replicate: 2
Treatment protocol Cells were induced with arabinose or heat shocked, then harvested and flash frozen.
Growth protocol E. coli were grown in defined rich media at 30C.
Extracted molecule total RNA
Extraction protocol Cells were lysed in liquid nitrogen, then samples were taken for total RNA.
Total RNA was extracted with phenol chloroform and alkaline fragmented, then fragments (20-40 nt) were gel-purified.
RNA was dephosphorylated, ligated to an adaptor, reverse transcribed, circularized then amplified with Illumina adaptors and barcodes.
 
Library strategy RNA-Seq
Library source transcriptomic
Library selection cDNA
Instrument model Illumina HiSeq 2000
 
Description Total mRNA
Processed data file: ecoli_heatshock_rawcounts.txt
Processed data file: ecoli_heatshock_normalizedcounts.txt
Data processing Basecalls performed using Illumina CASAVA.
Reads were trimmed and adaptors removed using the fastx_toolkit.
Reads were aligned to the MG1655 genome with Bowtie.
The number of reads at each position in the genome was counted using in-house Python scripts.
The number of reads mapping to each gene was counted and normalized using EdgeR.
Genome_build: NC_000913.2
Supplementary_files_format_and_content: ecoli_heatshock_rawcounts.txt: Tab-delimited text file has raw read counts per kilobase million for each E. coli gene (EcoCyc gene names).
Supplementary_files_format_and_content: ecoli_heatshock_normalizedcounts.txt: Tab-delimited text file has EdgeR-normalized counts per kilobase million for each E. coli gene (EcoCyc gene names).
 
Submission date Nov 18, 2016
Last update date May 15, 2019
Contact name Evan Thomas Powers
E-mail(s) epowers@scripps.edu
Organization name The Scripps Research Institute
Department Chemistry
Street address 10550 North Torrey Pines Rd
City La Jolla
State/province CA
ZIP/Postal code 92037
Country USA
 
Platform ID GPL15010
Series (1)
GSE90056 Translation efficiency is maintained during heat shock in Escherichia coli
Relations
BioSample SAMN06040731
SRA SRX2360374

Supplementary data files not provided
SRA Run SelectorHelp
Raw data are available in SRA
Processed data are available on Series record

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