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Table 4 Nestedness (N) quantification for the genome scale network and for the sub-networks of differentially expressed genes during the lag phase of old and young cells

From: Network analysis of the transcriptional pattern of young and old cells of Escherichia coli during lag phase

  Genomic network Young cells network Old cells network
  Sigma factors TFs KEGG paths TIGR functions Sigma factors TFs KEGG paths TIGR functions TFs KEGG paths TIGR functions
N 0.897 0.985 0.911 0.884 0.495 0.829 0.609 0.803 0.490 0.574 0.665
Nr 1 0.588 0.942 0.908 0.967 0.779 0.862 0.657 0.911 0.776 0.827 0.830
Ratio (N/Nr)2 1.526 1.046 1.003 0.914 0.635 0.963 0.927 0.881 0.632 0.694 0.801
p value3 < 0.0001 < 0.0001 0.122 1.000 1.000 0.911 0.889 1.000 0.992 1.000 1.000
  1. 1Nestedness obtained by Montecarlo simulation from 50 matrices randomly generated
  2. 2Ratios are greater than 1 if nestedness is greater than randomly expected
  3. 3Probability that the nestedness coefficient is equal to or less than that randomly generated