Table 3.

Phytochelatin synthase genes identified in plant species from different families.

Family	Species	Genes	References
Bryophytes
Marchantiaceae	Marchantia polymorpha	MpPCS	[33]
Pteridophytes
Pteridaceae	Pteris vittata	PvPCS1	[253]
Angiosperms
Alliaceae	Allium sativum	AsPCS1	[254]
Amaranthaceae	Salicornia europaea	SePCS1	[141]
Arecaceae	Phoenix dactylifera	PdPCS1	[255]
Asteraceae	Helianthus annuus	HaPCS	[256]
	Lactuca sativa	LsPCS1, LsPCS2	[257,258]
	Tagetes patula	TpPCS1	[259]
Brassicaceae	Arabidopsis halleri	AhPCS1, AhPCS2	[48]
	Arabidopsis thaliana	AtPCS1, AtPCS2	[215,225,244,252,260]
	Brassica juncea	BjPCS1	[173]
	Brassica napus	BnPCS	[261]
	Brassica rapa	BrPCS1, BrPCS2	[133]
	Noccaea caerulescens	NcPCS1, NcPCS2	[48]
	Noccaea japonicum	NjPCS	[262]
Ceratophyllaceae	Ceratophyllum demersum	CdPCS1	[84]
Chenopodiaceae	Suaeda salsa	SsPCS	[263]
Convolvulaceae	Ipomoea pes-caprae	IpPCS1	[226]
Fabaceae	Cajanus cajan	CcPCS1	[182]
	Lotus japonicus	LjPCS1, LjPCS2, LjPCS3	[264]
	Medicago sativa	MsPCS1, MsPCS2	[135,265,266]
	Vicia sativa	VsPCS1	[52]
Moraceae	Morus notabilis	MnPCS1, MnPCS2	[243]
Nelumbonaceae	Nelumbo nucifera	NnPCS1	[267]
Poaceae	Arundo donax	AdPCS1, AdPCS2, AdPCS3	[213]
	Cynodon dactylon	CdPCS1	[268]
	Orysa sativa	OsPCS1, OsPCS2 etc.	[82,233,269,270,271]
	Panicum maximum	PmPCS2	[86]
	Paspalum vaginatum	PvPCS1, PvPCS2	[272]
	Phragmites australis	PaPCS	[273]
	Saccharum officinarum	SoPCS	[232,274]
	Triticum aestivum	TaPCS1	[248,275]
	Zea mays	ZmPCS1	[230]
Rosaceae	Malus hupehensis	MhPCS	[276]
Salicaceae	Populus tomentosa	PtPCS	[277]
	Populus trichocarpa	PtPCS1	[278]
Solanaceae	Nicotiana tabacum	NtPCS1	[279]
	Solanum lycopersicum	SlPCS	[108,280]
Urticaceae	Boehmeria nivea	BnPCS1	[203]