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Sample GSM1556046 Query DataSets for GSM1556046
Status Public on May 31, 2015
Title ESP_ppGpp0_MINUS_R2_ChIP
Sample type genomic
 
Channel 1
Source name SL1344 ΔrelAΔspoT (ppGpp0) strain grown to ESP (OD600 = 2.3) and ChIP-chip performed minus antibody.
Organism Salmonella enterica subsp. enterica serovar Typhimurium str. SL1344
Characteristics strain: SL1344
Treatment protocol Minus antibody to beta subunit of RNA polymerase
Growth protocol 25 ml LB cultures in 250 ml flasks 37°C shaking @ 250 rpm
Extracted molecule genomic DNA
Extraction protocol All cultures grown aerobically at 37°C with shaking at 250 rpm in LB to specified OD's. Crosslinking and immunoppt performed as described in Lucchini et al (2007) PLoS Pathog 2(8):e81.DOI:10.1371
Label Cy5 dCTP
Label protocol Labelling according to Erikkson et al., 2006 Inf & Immun, 74:1243 and http://www.ifr.ac.uk/safety/Microarrays/default.html#protocols
 
Channel 2
Source name Genomic DNA from S. Typhimurium SL1344
Organism Salmonella enterica subsp. enterica serovar Typhimurium str. SL1344
Characteristics strain: SL1344
Treatment protocol gDNA labelled with Cy5 dCTP
Growth protocol 25 ml LB cultures in 250 ml flasks 37°C shaking @ 250 rpm
Extracted molecule genomic DNA
Extraction protocol All cultures grown aerobically at 37°C with shaking at 250 rpm in LB to specified OD's. Crosslinking and immunoppt performed as described in Lucchini et al (2007) PLoS Pathog 2(8):e81.DOI:10.1371
Label Cy3 dCTP
Label protocol Labelling according to Erikkson et al., 2006 Inf & Immun, 74:1243 and http://www.ifr.ac.uk/safety/Microarrays/default.html#protocols
 
 
Hybridization protocol Hybridisation according to Erikkson et al., 2006 Inf & Immun, 74:1243 and http://www.ifr.ac.uk/safety/Microarrays/default.html#protocols
Scan protocol GenePix 4000A at 5µm resolution
Description Biol. Rep. 2 of 4
Data processing Intensity ratio's of channel 1 (immunoppt labelled DNA fragments) divided by channel 2 (reference gDNA) signals calculated using GenePix 4000A
 
Submission date Nov 28, 2014
Last update date May 31, 2015
Contact name Arthur Thompson
E-mail(s) arthur.thompson@ifr.ac.uk
Phone 01603 255181
Organization name Institute of Food Research
Street address Colney Lane
City Norwich
ZIP/Postal code NR4 7UA
Country United Kingdom
 
Platform ID GPL19472
Series (2)
GSE63711 RNA polymerase binding sites revealed by ChIP-chip in S. Typhimurium wild-type, ΔrelAΔspoT (ppGpp0), and ΔdksA strains at early stationary phase (ESP) and late stationary phase (LSP)
GSE63715 Transcriptional profiles of Salmonella Typhimurium 4/74 parent and relA spoT, rpoS and dksA strains during stationary phase, and RNA polymerase distribution as determined by chromatin immunoprecipitation in parent, relA spoT and dksA strains

Data table header descriptions
ID_REF
VALUE Log2 ratio (Cy5/Cy3) representing test/reference

Data table
ID_REF VALUE
1 null
2 null
3 null
4 null
5 null
6 null
7 null
8 null
9 null
10 null
11 null
12 null
13 null
14 null
15 null
16 -0.084773754
17 2.38200272
18 2.357156583
19 2.873819694
20 3.243346071

Total number of rows: 45220

Table truncated, full table size 772 Kbytes.




Supplementary file Size Download File type/resource
GSM1556046_ESP_ppGpp0_MINUS_R2.gpr.gz 4.4 Mb (ftp)(http) GPR
Processed data included within Sample table

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