Table 2.

Dopamine biosynthesis genes and related genes regulated by dopamine in plants

	Gene names
Dopamine biosynthetic genes	L-amino acid hydroxylase
	Tyrosine decarboxylase
	Tyrosine hydroxylase
	Monophenol hydroxylase
	Dopa decarboxylase
Dopamine metabolism genes	Dopamine β-hydroxylase
	Phenylethanolamine N-methultransferase
Leaf Senescence	Chlorophyll degradation gene (PAO)
	Senescence-associate gene (SAG12)
Carbohydrate metabolism	Sucrose phosphate synthase (MdSPS1)
	Malate dehydrogenase (MdMDH)
	Malic enzyme (MdME)
	Aldose-6-phosphate reductase (MdA6PR)
	Sorbitol dehydrogenase(MdSDH1)
	Cell wall invertase (MdCWINV1)
Salt overly sensitive (SOS) pathway	MdSOS1
	MdSOS2
	MdSOS3
	MdHKT1
	MdNHX1
Nitrate transporters	CsNRT1.1
	CsNR1.
Antioxidant genes	cAPX
	cGR
	MDHAR
	DHAR-1
Aquaporin gene	OsPIP1
	OsPIP2
	OsPIP3
IAA	IAA oxidase genes