NCBI Logo
GEO Logo
   NCBI > GEO > Accession DisplayHelp Not logged in | LoginHelp
GEO help: Mouse over screen elements for information.
          Go
Sample GSM172220 Query DataSets for GSM172220
Status Public on Apr 27, 2007
Title Isolate 7935 (7935_030)
Sample type genomic
 
Channel 1
Source name K10
Organism Mycobacterium avium
Characteristics in vitro pure culture
Extracted molecule genomic DNA
Extraction protocol QIAGEN Genomic-tip or QIAamp DNA blood kit
Label Alexa 647
Label protocol Purified genomic DNA was randomly sheared by nebulization on ice at 10 psi for approximately 1.5 min, resulting in an average fragment size of 800 bp. Aliquots of sheared genomic DNA (4 µg) were labeled with Invitrogen BioPrime Plus Array CGH kit.
 
Channel 2
Source name 7935
Organism Mycobacterium avium
Characteristics in vitro pure culture
Extracted molecule genomic DNA
Extraction protocol QIAGEN Genomic-tip or QIAamp DNA blood kit
Label Alexa 555
Label protocol Purified genomic DNA was randomly sheared by nebulization on ice at 10 psi for approximately 1.5 min, resulting in an average fragment size of 800 bp. Aliquots of sheared genomic DNA (4 µg) were labeled with Invitrogen BioPrime Plus Array CGH kit
 
 
Hybridization protocol Labeled cDNA from experimental mycobacterial isolates was purified and mixed with alternately labeled Map K10 cDNA in a final volume of 55 µL containing 3x SSC, 0.22pct SDS, and 34 µg salmon sperm DNA (Invitrogen). This hybridization solution was incubated at 100C for 2 minutes, applied to the Map K10 microarray, and allowed to hybridize overnight at 65C. The arrays were washed sequentially for 3 minutes at room temperature in 300 mL volumes of 0.5x SSC/0.01pct SDS, 0.5x SSC, 0.1x SSC, and 0.01x SSC, then dried by centrifugation and scanned.
Scan protocol Microarray was scanned with a ScanArray 4000 confocal laser scanner (PerkinElmer, Boston, MA). Laser and PMT power were adjusted to minimize pixel saturation and background fluorescence
Description Comparative genomic hybridization between Map K-10 and other mycobacteria
Data processing Raw intensity measurements for each spot on the microarray were extracted from scanned images using ScanArray Express software (PerkinElmer) and adjusted with local background subtraction and LOWESS normalization. Poorly detected spots were removed by filtering out those in which more than 50pct of the pixels from both samples were within two standard deviations of the local background. Note that for final analyses, triplicate spots were averaged and ORFs not represented by at least 2 replicate spots were discarded.
 
Submission date Feb 27, 2007
Last update date Apr 26, 2007
Contact name Mike Paustian
E-mail(s) mpaustia@nadc.ars.usda.gov
Organization name National Animal Disease Center, USDA-ARS
Street address 2300 Dayton Ave
City Ames
State/province IA
ZIP/Postal code 50010
Country USA
 
Platform ID GPL3433
Series (1)
GSE7622 Comparative genomic hybridizations of Mycobacterium avium isolates obtained from multiple host species

Data table header descriptions
ID_REF This column corresponds to the ID column of the reference platform
VALUE log2 ratio of (experimental / K-10)
Ch1ProcessedSignal normalized and filtered Ch1 signal
Ch2ProcessedSignal normalized and filtered Ch2 signal

Data table
ID_REF VALUE Ch1ProcessedSignal Ch2ProcessedSignal
1 -0.886445813122287 12358 6685
2 0.0948701691966043 7165 7652
3 -0.0906054737427979 4567 4289
4
5 -0.891217809461562 8274 4461
6 -0.388918438314962 4160 3177
7
8 -1.20450872544755 6681 2899
9 -1.04151317357807 13820 6714
10 -0.522570028182782 2817 1961
11 -0.907956131863049 4402 2346
12 -0.963084680041926 926 475
13
14
15 -1.38523915473442 4041 1547
16 -0.164870411840791 926 826
17
18
19
20 -1.21624290718455 6789 2922

Total number of rows: 17328

Table truncated, full table size 524 Kbytes.




Supplementary file Size Download File type/resource
GSM172220.csv.gz 2.0 Mb (ftp)(http) CSV

| NLM | NIH | GEO Help | Disclaimer | Accessibility |
NCBI Home NCBI Search NCBI SiteMap