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Sample GSM238990 Query DataSets for GSM238990
Status Public on Apr 09, 2008
Title kernel_development_35DAP_to_25DAP_rep1_A
Sample type RNA
 
Channel 1
Source name 35DAP
Organism Zea mays
Characteristics Zea mays, Kernel, Development
Growth protocol Natural conditions, growing season begins from May to September, on the China Agricultural University research farm in Beijing, China.
Extracted molecule total RNA
Extraction protocol Total RNA was extracted using a modified hot phenol method.
Label Cy5
Label protocol Cy5-cDNA were prepared according to the recommendations of the Maize Oligo Array Project (http://www.maizearray.org/).
 
Channel 2
Source name 25DAP
Organism Zea mays
Characteristics Zea mays, Kernel, Development
Growth protocol Natural conditions, growing season begins from May to September, on the China Agricultural University research farm in Beijing, China.
Extracted molecule total RNA
Extraction protocol Total RNA was extracted using a modified hot phenol method.
Label Cy3
Label protocol Cy3-cDNA were prepared according to the recommendations of the Maize Oligo Array Project (http://www.maizearray.org/).
 
 
Hybridization protocol Hybridization and post hybridization wash were performed according to the protocal of the Maize Oligo Array Project (http://www.maizearray.org/).
Scan protocol Hybridized slides were scanned by a Genepix 4000B (Axon, USA).
Description Gene expression data from maize kernel
Data processing Raw data from microarray hybridization, exported from GenePix suites 6.0 (Axon, USA), was imported into LIMMA with annotation and spot types. Spots with a negative flag value were assigned a weight of 0.1 in the subsequent analysis. Background-subtracted signal intensities were normalized using a two-step normalization: print-tip group loss (within-array normalization) and then between-array scale normalization.
 
Submission date Oct 19, 2007
Last update date Apr 09, 2008
Contact name Guoying Wang
E-mail(s) gywang@caas.net.cn
Phone 86-10-62162927
Organization name Chinese Academy of Agricultural Sciences
Department Institute of Crop Sciences
Lab Maize Molecular Biology
Street address Zhongguancun Nandajie 12
City Beijing
ZIP/Postal code 100081
Country China
 
Platform ID GPL5439
Series (1)
GSE9386 Genome-wide analysis of gene expression profiles during the kernel development of maize (Zea mays L.)

Data table header descriptions
ID_REF
VALUE same as UNF_VALUE but with flagged values removed
CH_R_SIG CH_R (Cy5) Raw intensity (F635 Mean)
CH_R_BKD CH_R (Cy5) Background median intensity (B635 Median)
CH_G_SIG CH_G (Cy3) Raw intensity (F532 Mean)
CH_G_BKD CH_G (Cy3) Background median intensity (B532 Median)
FLAG 1: good spot; 0.1: undetectable spot or bad spot or saturated spot
UNF_VALUE Normalized log2 ratio (Cy5/Cy3)

Data table
ID_REF VALUE CH_R_SIG CH_R_BKD CH_G_SIG CH_G_BKD FLAG UNF_VALUE
422946 0.009933797 1484 184 1375 123 1 0.009933797
422947 -1.566751779 462 178 798 123 1 -1.566751779
422948 -0.270209361 819 174 833 127 1 -0.270209361
422949 -0.346970611 528 175 514 129 1 -0.346970611
422950 -0.913641875 566 181 745 130 1 -0.913641875
422951 1.710669857 7223 183 2435 127 1 1.710669857
422952 251 181 178 127 0.1 0.300300272
422953 -0.259027124 597 180 558 129 1 -0.259027124
422954 240 179 197 128 0.1 -0.388160133
422955 -0.060793636 290 173 239 128 1 -0.060793636
422956 -0.16760644 1677 182 1744 129 1 -0.16760644
422957 -0.275478175 983 184 1017 128 1 -0.275478175
422958 2.610707872 1228 177 303 130 1 2.610707872
422959 200 176 161 128 0.1 -0.724865098
422960 -0.181587949 650 182 591 127 1 -0.181587949
422961 -0.65731957 13548 180 21647 125 1 -0.65731957
422962 -0.385241696 333 183 294 123 1 -0.385241696
422963 0.423382496 424 179 288 121 1 0.423382496
422964 -0.087574887 366 175 300 120 1 -0.087574887
422965 207 179 154 122 0.1 -0.426274982

Total number of rows: 32448

Table truncated, full table size 1457 Kbytes.




Supplementary data files not provided
Processed data included within Sample table

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