TABLE 4.

A summary of omics integration in D. officinale.

Samples	Treatments or conditions	Combinations of omics	Research focus	References
Stems	Purple and normal varieties	UPLC-ESI-MS/MS, RNA-seq	Pigmentation	Zhan et al., 2020
Flowers	Buds and opened flower	RNA-seq, HPLC-MS	Flower development	He et al., 2020
Seeds	Asymbiotic and symbiotic at different stages	RNA-Seq, iTRAQ	Symbiotic germination	Chen J. et al., 2017
Leaves	at 0°C and at 20°C	GC-MS, RNA-seq	Cold acclimation	Wu et al., 2016
Leaves	NaCl treatment	RNA-seq, LC–MS/MS	Salt stress	Zhang et al., 2021
Stems	Fungus MF23	RNA-seq, UHPLC-LTQ	Fungus on growth	Shan et al., 2021
Flowers	Two cultivars	RNA-seq, GC-MS	Volatile terpenoids	Li N. et al., 2021