Table 4.

Candidate genes explored for imparting drought resistance in legumes.

Legume Crops	Gene Transferred	Function	Reference
Soybean	PgTIP1	Confers drought tolerance	[248]
	GmDREB2	Enhance drought tolerance	[249]
	GmRACK1	Improve drought tolerance during vegetative growth	[250]
	AtABF3	Improve drought tolerance	[251]
	GmFDL19	Enhance drought tolerance	[252]
	GmSK1	Enhance tolerance to drought	[253]
	GmNAC, GmDREB, GmZIP, ERF089	Transcription factors	[238]
	DREB1A, rd29A	Transcription factors	[254]
	GmBIN2	Enhance tolerance to drought	[255]
	GmCaM4	Upreglate several drought-responsive genes	[256]
	CDPK	Enhance water permeability across the membrane	[257]
	GmHK, GmCLV1A, GmCLV1B, GmRLK1, GmRLK2, GmRLK3, GmRLK4	Osmosensor	[258]
Chickpea	Aquaporins	drought stress tolerance	[259]
	DREB2A	Transcription factors	[260]
	MYB, WRKY, bZIP	Transcription factors	[261]
	MyB, AP2/ERF, XPB1	Transcription factors	[262]
Cowpea	VuPLD1, VuNCED1, CPRD8, CPRD12, CPRD14, CPRD22	ABA-biosynthesis	[263]
Mungbean	VrbZIP	Drought-responsive gene	[264]
	codA	Improve abiotic stress tolerance	[265]
	VrWRKY	Enhance abiotic stress tolerance	[266]
Common bean	Asr1, Asr2	ABA signaling pathway	[267]
	PvLEA3	Protein stabilization	[268]
	DREB2B	Non-ABA dependent response	[267]
Pigeonpea	C.cajan_29830, C.cajan_33874	Improve drought tolerance	[269]
	WRKY, MyB, NF-Y	Transcription factors	[270]
Broad bean	VfPIP1	Aquaporin/water transport	[271]
Alfalfa	AtEDT1	Confers drought tolerance	[272]
	SPL13	Improve drought tolerance	[273]
	CsLEA	Enhance tolerance to drought	[274]
	GsZFP1	Confers drought tolerance	[275]
	codA	Enhance tolerance to drought	[276]
	HaHB11	Confers tolerance to water deficit	[277]
	AVP1	Enhance drought tolerance	[278]