Table 2. Representation of pathway genes in expression modules.

Expression Module	KEGG pathway genes representing the expression module*	p-value
A	Carbohydrate Metabolism (30 /83)	0.029
B	Glycan Biosynthesis/Metabolism (30 /78)	0.015
C	Lipid Metabolism (45 /114)	0.003
	Metabolism of Cofactors /Vitamins (34 /98)	0.035
	Nucleotide Metabolism (47 /119)	0.002
D	Xenobiotics Biodegradation /Metabolism (31 /80)	0.013
E	Energy Metabolism (23 /83)	0.098
	Replication /Repair (21 /79)	0.095
	Biosynthesis of Secondary Metabolites (21 /81)	0.089
F	Amino Acid Metabolism (36 /77)	0
	Cell Growth/ Death (25 /63)	0.016
G	Signal Transduction (76 /174)	0
	Sorting /Degradation (22 /56)	0.024

*The numbers in the parenthesis show the counts of responsive genes identified from the expression network analysis versus the total number of genes annotated to the specific category of KEGG pathways.