Table 1

Almost all globally essential reactions in E. coli, S. cerevisiae and S. aureus are UP or UC. The p value represents the probability that the indicated overlap would arise in a null model as discussed in the text.

Organism
E. coli
S. cerevisiae
S. aureus

Total number of reactions
1176
1579
865
Number of globally essential reactions
164
127
196
Number of globally essential reactions that are UP or UC in the entire network
133 (p < 10-37)
86 (p < 10-12)
157 (p < 10-32)
Number of globally essential reactions that are UP or UC in the reduced network
156 (p < 10-62)
117 (p < 10-41)
182 (p < 10-58)

Samal et al. BMC Bioinformatics 2006 7:118   doi:10.1186/1471-2105-7-118