Table I. Transporters of the inner envelope membrane of plastids from higher plants

Only transporters with well-defined physiological functions are included. HGT, Horizontal gene transfer.

NameActivityGene IDOriginIdentificationReference
TPTTrioseP/phosphate translocatorAt5g46110Host cellProtein labelingFlügge et al. (1989)
PPT1PEP/phosphate translocator 1At5g33320Host cellProtein purificationFischer et al. (1997)
PPT2PEP/phosphate translocator 2At3g01550Host cellSequence homologyKnappe et al. (2003)
GPT1Glc6P/phosphate translocator 1At5g54800Host cellProtein purificationKammerer et al. (1998)
GPT2Glc6P/phosphate translocator 2At1g61800Host cellSequence homologyKnappe et al. (2003)
XPTXyl5P/phosphate translocatorAt5g17630Host cellSequence homologyEicks et al. (2002)
PHT4.4Phosphate transporterAt4g00370Host cellSequence homologyGuo et al. (2008)
PHT4.2Phosphate transporterAt2g38060Host cellSequence homologyGuo et al. (2008)
PHT4.3Phosphate transporterAt3g46980Host cellSequence homologyGuo et al. (2008)
PHT4.5Phosphate transporterAt5g20380Host cellSequence homologyGuo et al. (2008)
PHT2.1Phosphate transporterAt3g26570HGTSequence homologyVersaw and Harrisson (2002)
Nitr1Nitrite transporterAt1g68570UnknowncDNA IsolationSugiura et al. (2007)
NTT1Nucleotide transportersAt1g80300HGTSequence homologyReiser et al. (2004)
NTT2Nucleotide transportersAt1g15500HGTSequence homologyReiser et al. (2004)
BT1Brittle 1 protein (maize)BT016796Host cellForward geneticsSullivan et al. (1991)
BT1Brittle 1 proteinAt4g32400Host cellSequence homologyLeroch et al. (2005)
NDT1NAD transporterAt2g47490Host cellSequence homologyPalmieri et al. (2009)
DiT1Dicarboxylate transporter 1At5g12860HGTProtein purificationWeber et al. (1995)
DiT2.1Dicarboxylate transporter 2.1At5g64290HGTSequence homologyTaniguchi et al. (2002)
DiT2.2Dicarboxylate transporter 2.2At5g64280HGTSequence homologyRenné et al. (2003)
pGlcTPlastid Glc transporterAt5g16150Host cellProtein labelingWeber et al. (2000)
Mex1Maltose exporter 1At5g17520UnknownForward geneticsNiittylä et al. (2004)
CHX23Cationic proton exchanger 23At1g05580Host cellSequence homologySong et al. (2004)
MGT10Magnesium transporter 10At5g22830Host cellSequence homologyLi et al. (2001)
PIC1Permease in chloroplasts 1At2g15290CyanobacteriumSequence homologyDuy et al. (2007)
ACA1/PEA1Arabidopsis calcium ATPaseAt1g27770UnknownAntibody ScreeningHuang et al. (1993)
PAA1Copper P-type ATPaseAt4g33520CyanobacteriumForward geneticsShikanai et al. (2003)
HMA1Heavy metal ATPase 1At4g37270HGTProteomicsSeigneurin-Berny et al. (2006)
CLT1CRT like transporter 1At5g19380UnknownForward geneticsMaughan et al. (2010)
CLT2CRT like transporter 2At4g24460UnknownForward geneticsMaughan et al. (2010)
CLT3CRT like transporter 3At5g12160UnknownForward geneticsMaughan et al. (2010)
FOLT1Folate transporter 1At5g66830Host cellSequence homologyBedhomme et al. (2005)
FTFolate transporterAt2g32040CyanobacteriumSequence homologyKlaus et al. (2005)
SAMT/CSAM transporter/carrierAt4g39460Host cellSequence homologyBouvier et al. (2006)
BAT5Bile acid transporter like 5At5g12030UnknownCoexpressionGigolashvili et al. (2009)