Perceiving molecular evolution processes in Escherichia coliby comprehensive metabolite and gene expression profiling

Table 3 Statistically significant genes involved in various evolved conditions

Evolved condition	Total number of genes taken into account	Number of over-expressed genes (d_i≥ 1)	Number of under-expressed genes (d_i≤ -1)	Total number of differentially expressed genes	Number of intersecting genes	Total number of intersecting genes
MGAdp	4,159	315	318	633	116 (+)	263
DHAdp	4,159	438	376	814	147 (-)
MGAdpGal	4,126	91	115	206	5 (+)	35
DHAdpGal	4,126	357	317	674	30 (-)
MGStat	4,156	306	263	569	69 (+)	120
DHStat	4,156	452	373	825	51 (-)

Genes were assumed to be significant when their score d_i≥ 1 or ≤ -1 (significance analysis of microarrays, T statistic value). (+), over-abundant/expressed candidates; (-), less abundant/under-expressed candidates.

ISSN: 1474-760X