Table 1.

Different L-proline transporters in various plants.

Transporters	Plants	References
AtProT1-3	Arabidopsis thaliana	Rentsch et al. (1996) ; Grallath et al. (2005); Naidu et al. (1991)
LeProT1-3	Tomato	Schwacke et al. (1999)
OsProT1	Rice	Igarashi et al. (2000)
HvProT1-2	Barley	Ueda et al. (2001)
ProT1	Sugar beet	Yamada et al. (2011)
ClProT	Chrysanthemum lavandulifolium	Rentsch et al. (1996); Grallath et al. (2005)
Pro/Gluantiporter	Durum of wheat	Hare and Cress (1997)
EgProT1	Oil palm Elaeisguineensis	Yamada et al. (2009)
ProT1–2	Avicennia marina	Waditee et al. (2002)