Table 1. Basic global properties of investigated networks.

	Control	cold stress	heat stress	oxidative stress	lactose shift	networks intersection	stable component
Number of edges	243	156	341	138	186	9	169
network density	0.029	0.024	0.042	0.012	0.016	0.0008	0.01512304
isolated nodes	47	44	42	69	55	132	63
Average variance	0.2267887	1.696756	0.3523608	0.6826608	0.4812