Table 2.

Maize GeneChip Ranges of Normalized Expression Intensities

ExperimentOH43+W64A+su1o1o2o5o9o11Mcfl2
Cumulative normalized expression
   intensity of chip186,852.1176,277.7190,553.2192,550121,364.9191,785.6232,239268,544237,847.6172,352.1
Genes total 1,488 1,488 1,488 1,488 1,488 1,488 1,488 1,488 1,488 1,488
Genes with negative expression
   intensity a 299 301 252 330 551 318 385 300 337 337
Genes with expression intensity <20
   (arbitrary baseline) 873 977 830 796 875 756 721 717 765 885
Genes with expression intensity >20 615 512 658 692 613 732 767 771 723 603
Genes with expression intensity
   >0.1% of cumulative chip intensity 195 135 123 148 266 194 183 188 168 159
Genes with expression intensity >1%
   of cumulative chip intensity 25 21 19 22 25 19 23 23 28 26
  • a Average hybridization signal of matched oligodeoxyribonucleotide probe set < average hybridization signal of mismatch probe set.