Outer pore residues control the H+ and K+ sensitivity of the Arabidopsis potassium channel AKT3

Plant Cell

Volumn 14, Issue 8, 2002, Pages 1859-1868

  Geiger, Dietmar ^a   Becker, Dirk ^a   Lacombe, Benoit ^a   Hedrich, Rainer ^a  

^a Julius V Sachs Institut   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

CALCIUM; CELLS; MUTAGENESIS; PH EFFECTS; POTASSIUM;

MUTANT CHANNELS;

PLANTS (BOTANY);

ARABIDOPSIS; XENOPUS;

EID: 0036671321     PISSN: 10404651     EISSN: None     Source Type: Journal    
DOI: 10.1105/tpc.003244     Document Type: Article

References (47)

1. + channel involved in phloem unloading
2. +-sensing ion channel
3. + channels in the maize coleoptile: Molecular and biophysical analysis of cells isolated from cortex and vasculature
4. + outward rectifier in Vicia guard cells
5. + uptake into guard cells from Arabidopsis
6. Current inactivation involves a histidine residue in the pore of the rat lymphocyte potassium channel RGK5
7. Multiple genes, tissue specificity, and expression-dependent modulation contribute to the functional diversity of potassium channels in Arabidopsis thaliana
8. Identification and molecular localization of a pH-sensing domain for the inward rectifier potassium channel HIR
9. + channel of Arabidopsis thaliana
10. Functions of AKT1 and AKT2 potassium channels determined by studies of single and double mutants of Arabidopsis
11. The role of ion channels in light-dependent stomatal opening
12. + channel switches between two distinct gating modes resulting in either inward-rectifying or "leak" current
13. in channels is mediated by conserved C-termini and does not affect subunit assembly
14. pH: Signal and messenger in plant cells
15. + release into the xylem sap
16. + channels
17. Inward rectifier potassium channels in plants differ from their animal counterparts in response to voltage and channel modulators
18. + uptake channels
19. + channel α-subunits
20. + channels KST1 and KAT1
21. 2+ requires histidine residues in the S3-S4 linker and in the channel pore
22. + channel profile and electrical properties of Arabidopsis root hairs
23. Regulation of a mammalian Shaker-related potassium channel, hKv1.5, by extracellular potassium and pH
24. + channels: Evidence for non-conducting closed and non-conducting inactivated states
25. + channels
26. pH control of the plant outwardly-rectifying potassium channel SKOR
27. + channel with weak rectification is expressed in both source and sink phloem tissues of Arabidopsis
28. + channel, is blocked by protons
29. Phylogenetic relationships within cation transporter families of Arabidopsis
30. + selectivity filter
31. + channel expressed in potato guard cells
32. Expression of an Arabidopsis potassium channel gene in guard cells
33. + channel
34. + channel expression represents an essential step in coleoptile growth and gravitropism
35. + channel activity in Arabidopsis involves expression of the twin channel subunits KAT1 and KAT2
36. Plant ion transport
37. Expression of an inward-rectifying potassium channel by the Arabidopsis KAT1 cDNA
38. Molecular determinants for activation and inactivation of HERG, a human inward rectifier potassium channel
39. Differential sensitivity of voltage-gated potassium channels Kv1.5 and Kv1.2 to acidic pH and molecular identification of pH sensor
40. KAT1 is not essential for stomatal opening
41. + channel YKC1 identify functional differences between the pore domains
42. +
43. + permeability
44. + channel in Xenopus oocytes: Analysis of macroscopic currents
45. Single channel seeks permeant ion for brief but intimate relationship
46. + channel-Fab complex at 2.0 A resolution
47. Plant ion channels: From molecular structures to physiological functions