Table 2.

Summary of ABC transporters and MATE transporters identified in different plant species.

Transporter	Species	Number of Putative Genes Identified in the Genome	Functionally Characterized Genes Involved in the Accumulation of Flavonoids	Substrates	References
ABC transporter	L. japonicus	91			[113]
	M. truncatula	160	MtABCG10	Medicarpin and its precursors	[114,124]
	G. max	261			[115]
	S. lycopersicum	154			[116]
	A. comosus	100			[117]
	O. sativa	129			[118]
	A. thaliana	120			[119]
	V. vinifera	135	ABCC1	Anthocyanidin 3-O-glucosides	[120,125]
	Z. mays	130	ZmMRP3	Anthocyanin	[121,123]
MATE transporter	G. max	117			[129]
	Z. mays	49			[130]
	S. lycopersicum	67			[131]
	P. trichocarpa	71			[132]
	O. sativa	53			[133]
	A. thaliana	56	TT12	PAs, anthocyanin, epicatechin 3’-O-glucoside	[135,140]
	M. truncatula	40	MATE1	Epicatechin 3’-O-glucoside	[135]
			MATE2	Anthocyanin, flavone glucosides	[20]
	V. vinifera	65	anthoMATE1	Acylated anthocyanins	[136]
			anthoMATE3	Acylated anthocyanins	[136]
			VvMATE1	PAs	[142]
			VvMATE2	PAs	[142]
	S. tuberosum	48			[137]
	V. corymbosum	33			[138]