Table 1 Coupling between expression noise and expression plasticity for different classes of genes in E. coli
ClassSpearman Correlation Coefficient (rho)PGenes
All0.148.08E−081456
Highly expressed0.237.27E−05291
Essential−0.010.9499
Slow-growth0.070.20312
Dosage-sensitive0.100.01562
Not essential, slow-growth, or dosage-sensitive0.228.53E−08574
Highly expressed and not essential, slow-growth, or dosage-sensitive0.464.20E−07112
NAPs
 H-NS0.656.56E−0642
 Fis0.350.0153
 IHF0.120.4347
Transcription factors
 CRP0.311.19E−04147
 ArcA0.250.0947
 FNR−0.010.9374
 FUR0.310.0931
Sigma factors
 Sigma 700.204.28E−07634
 Sigma 380.412.49E−05100
 Sigma 240.100.24153
 Sigma 280.300.0351
 Sigma 54−0.010.9730
 Sigma 32−0.110.25120
Stress response0.389.43E−07155