Table 5.

Correlation Between Expression Rate and K4 for Putative Housekeeping Genes



Human—mouse

Mouse—rat
Rate measurea
r
P
N
r
P
N
All genes
    SAGE (human) 0.026 0.761 141
    Microarray (human) -0.134 0.079 172
    SAGE (mouse) -0.068 0.388 166 -0.003 0.96 305
    Microarray (mouse) -0.029 0.684 196 -0.050 0.33 391
GC4≤0.5
    SAGE (human) -0.446 0.006 37
    Microarray (human) -0.038 0.838 32
    SAGE (mouse) -0.401 0.005 47 -0.089 0.43 80
    Microarray (mouse)
-0.137
0.319
55
-0.006
0.96
93

a Rate measures were not averaged over human and mouse in this table to retain acceptable sample sizes. Only nondisparate gene pairs were included.