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Biology Articles » Anatomy & Physiology » Physiology, Plant » Regulation of Potassium Transport in Leaves: from Molecular to Tissue Level » Table 2

Table 2
- Regulation of Potassium Transport in Leaves: from Molecular to Tissue Level

Examples of K+ transporters, their functions and intracellular location in leaves of various plant species
Class
Genes
Species
Expression inleaves
Intracellularlocation
Physiological function
Reference
KUP/HAK/KTtransporters
McHAK1
Ice plant
Mesophyll
Plasmalemma
High (?) affinity K+ uptake
Su et al. (2002)



Epidermis
Plasmalemma



McHAK4
Ice plant
Mesophyll
Plasmalemma
High (?) affinity K+ uptake
Su et al. (2002)



Epidermis
Plasmalemma



OsHAK10
Rice
Epidermis
Tonoplast
K+ efflux from vacuole underK+ deficiency
Banuelos et al. (2002)

HvHAK1
Barley
Phloem
Plasmalemma
High (?) affinity K+ uptake
Su et al. (2002)
HKT transporters
OsHKT1
Rice
Mesophyll
Plasmalemma
High-affinity K+ loading
Golldack et al. (2002)

HKT1
Wheat
Vascular tissue
Plasmalemma
Xylem unloading
Schachtman (2000)
H+/Na+(K+)antiporter
AtNHX1
Arabidopsis
Epidermis
Tonoplast
K+ efflux from vacuole underK+ deficiency
Blumwald et al. (2000)



Mesophyll



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