Table 6. Stress specific hubs.

Control	Heat stress	Cold stress	Lactose shift	Oxdidative stress	Cold/Heat stress	Common stress response
Pyruvate	Trehalose	Ethanolamine	ethanimidic acid	Lys	Ethanolamine	malate
Norvaline	Ala	Met	Leu	Pyroglutamate	Thr	Val
isopropyl-malate	Uracil	oxalate	glycerol-3-phosphate	Norvaline	Phe	Ala
4-hydroxy-benzoate	Phe	N-carbamyl-Asn	PEP	Cys	2-aminobutyrate	Pro
Norleucine	Arg		Glu	Malate		homoserine
Gln	Pro		2-ketobutyrate	Asn		2-aminobutyrate
Thr	Ethanolamine		Succinate	Glu
				Putrescine

Stress specific hubs and chosen metabolites being hubs in cold/heat stress and in common stress response. Only identified metabolites are mentioned, the full table available in supplementary materials.