Table 8. The results of gene ontology (GO) analysis of differentially expressed genes (Cellular component, Molecular function and Biological process) in the small intestine (ileum) between control and salmonella-infected group

GO ID	Description	#Genes	Enrichment	p-value	Gene Name
Gene ontology cellular component
GO:0044421	Extracellular region part	8	6.34	7.60E-06	DCN, PI15, CPXM1, BGN, COL3A1, BPI, DKK2, LRRC17
GO:0005576	Extracellular region	8	4.86	5.55E-05	DCN, PI15, CPXM1, BGN, COL3A1, BPI, DKK2, LRRC17
GO:0005615	Extracellular space	6	5.46	3.93E-04	PI15, CPXM1, COL3A1, BPI, DKK2, LRRC17
GO:0031012	Extracellular matrix	3	13.74	0.001178	DCN, BGN, COL3A1
GO:0062023	Collagen-containing extracellular matrix	2	18.95	0.004772	DCN, COL3A1
GO:0038037	G protein-coupled receptor dimeric complex	1	83.36	0.011939	CALCRL
GO:0097648	G protein-coupled receptor complex	1	69.49	0.014311	CALCRL
GO:0044420	Extracellular matrix component	1	52.12	0.019039	COL3A1
GO:0001917	Photoreceptor inner segment	1	46.33	0.021395	ASRGL1
GO:0005581	Collagen trimer	1	19.85	0.049261	COL3A1
Gene ontology molecular function
GO:0005201	Extracellular matrix structural constituent	2	68.58	3.54E-04	DCN, COL3A1
GO:0008238	Exopeptidase activity	2	24.00	0.002947	CPXM1, ASRGL1
GO:0008528	G protein-coupled peptide receptor activity	2	12.80	0.010075	AGTR1, CALCRL
GO:0001653	Peptide receptor activity	2	12.63	0.010336	AGTR1, CALCRL
GO:0030021	Extracellular matrix structural constituent conferring compression resistance	1	96.02	0.010375	DCN
GO:0004181	Metallocarboxypeptidase activity	1	48.01	0.020653	CPXM1
GO:0004180	Carboxypeptidase activity	1	34.29	0.028805	CPXM1
GO:0017046	Peptide hormone binding	1	32.07	0.030833	CALCRL
GO:0001530	Lipopolysaccharide binding	1	28.24	0.034878	BPI
GO:0008137	NADH dehydrogenase (ubiquinone) activity	1	28.24	0.034878	ND6
Gene ontology biological process
GO:0018149	Peptide cross-linking	2	133.64	8.75E-05	BGN, COL3A1
GO:0060415	Muscle tissue morphogenesis	2	37.42	0.001223	ZFPM2, COL3A1
GO:0048644	Muscle organ morphogenesis	2	32.26	0.001648	ZFPM2, COL3A1
GO:0002683	Negative regulation of immune system process	3	10.71	0.002343	COL3A1, BPI, LRRC17
GO:0007507	Heart development	3	9.48	0.003318	ZFPM2, CALCRL, COL3A1
GO:0033002	Muscle cell proliferation	2	18.71	0.004849	ZFPM2, CALCRL
GO:0051241	Negative regulation of multicellular organismal process	4	5.13	0.005729	ZFPM2, COL3A1, BPI, LRRC17
GO:0048514	Blood vessel morphogenesis	3	7.67	0.006035	ZFPM2, CALCRL, COL3A1
GO:0001568	Blood vessel development	3	6.85	0.008274	ZFPM2, CALCRL, COL3A1
GO:0045596	Negative regulation of cell differentiation	3	6.81	0.008386	ZFPM2, COL3A1, LRRC17