Table 5.

Enriched DEGs relative to phenolic acid metabolism in CC vs FC root tissues of Polygonatum odoratum

Pathway	Gene annotation	DEGs	|log2foldchange|	Regulation
Pentose phosphate pathway	FBP: fructose-1,6-biphospatase [EC:3.1.3.11]	60,288.238790	1.8774	+
		60,288.235250	1.6639	+
	PGD: 6-phosphogluconate dehydrogenase [EC:1.1.1.44]	60,288.211711	1.5588	+
	rpe: ribulose-phosphate 3-epimerase [EC:5.1.3.1]	60,288.218462	1.9319	+
	GPI: glucose-6-phosphate isomerase [EC:5.3.1.9]	60,288.243910	2.0490	–
Pentose and glucoronate interconversions	SORD: L-iditol 2-dehydrogenase [EC:1.1.1.14]	60,288.223504	1.8309	+
		60,288.223506	1.6717	+
		60,288.218324	1.7043	+
Starch and sucrose metabolism	malZ: α-glucosidase [EC:3.2.1.20]	60,288.201647	3.9725	+
	glgC: glucose-1-phosphate adenylyltransferase [EC:2.7.7.27]	60,288.33753	3.1600	–
		60,288.33754	2.7498	–
		60,288.206885	2.1132	–
	E3.2.1.4: endoglucanase [EC:3.2.1.4]	60,288.14730	4.4889	–
		60,288.10931	5.5413	–
		60,288.10932	6.4114	–
		60,288.10933	6.1401	–
		60,288.10934	7.8762	–
		60,288.148605	1.8496	–
		60,288.148607	2.5051	–
		60,288.148608	1.9175	–
Phenylalanine, tyrosine and tryptophan biosynthesis	aroK: shikimate kinase [EC:2.7.1.71]	60,288.274987	1.6112	+
		60,288.274989	2.4732	+
		60,288.241945	1.9399	+
	aroC: chorismate synthase [EC:4.2.3.5]	60,288.232788	1.6419	+
		60,288.230454	1.5993	+
		60,288.239452	1.8285	+
		60,288.239453	1.7613	+
		60,288.239454	1.8178	+
Tyrosine metabolism	TYDC: tyrosine decarboxylase [EC:4.1.1.25]	60,288.348666	3.8613	+
		60,288.348669	4.0964	+
		60,288.198712	3.1611	+
	E1.10.3.1: polyphenol oxidase [EC:1.10.3.1]	60,288.244462	2.3452	–
		60,288.367167	2.5857	–

Note: DEGs stands for differentially expressed genes. FC stands for first cropping, and CC stands for continuous cropping. + stands for up-regulation, and - stands for down-regulation