Different pH-dependences of K+ channel activity in bundle sheath and mesophyll cells of maize leaves

Planta

Volumn 210, Issue 5, 2000, Pages 792-800

  Keunecke, M ^a   Hansen, U P ^a  

^a UNIVERSITY OF KIEL   (Germany)

Author keywords

Apoplast; ATP; IV Curves; Patch clamp (whole cell); Xylem; Zea mays

Indexed keywords

ACIDIFICATION; CELL ACTIVATION; CELL MEMBRANE TRANSPORT; CONDUCTANCE; ISOLATION PROCEDURE; MESOPHYLL CELL; NUTRIENT; PH; POTASSIUM CHANNEL; PROTOPLAST;

ZEA MAYS;

EID: 0034099951     PISSN: 00320935     EISSN: None     Source Type: Journal    
DOI: 10.1007/s004250050681     Document Type: Article

References (49)

1. Altus DP, Canny MJ (1985) Water pathways in wheat leaves I. The division of fluxes between differerent vein types. Aust J Plant Physiol 12: 173-181
2. Bosabalis AM, Evert RF, Russin WA (1994) Ontogeny of the vascular bundle and contiguous tissues in the maize leaf blade. Am J Bot 81: 745-752
3. Botha CEJ (1992) Plasmodesmatal distribution, structure and frequency in relation to assimilation in C3 and C4 grasses in southern Africa. Planta 187: 348-358
4. Botha CEJ, Evert RF, Cross RHM, Marshall DM (1982) The suherin lamella, a possible barrier to water movement from veins to the mesophyll of Themeda trianda Forsk. Protoplasma 112: 1-8
5. +-ATPase in minor veins of Vicia faba in relation of phloem loading. Plant Physiol 105: 691-697
6. Canny MJ (1987) Locating active proton extrusion in leaves. Plant Cell Environ 10: 271-274
7. Canny MJ (1988) Bundle sheath tissue of legume leaves as a site of recovery of solutes from the transpiration stream. Physiol Plant 73: 457-464
8. Canny MJ (1990a) What becomes of the transpiration stream? New Phytol 114: 341-368
9. Canny MJ (1990b) Fine veins of dicotyledon leaves as sites for enrichment of solutes of the xylem sap. New Phytol 115: 511-516
10. Canny MJ (1995) Apoplastic water and solute movement: new rules for an old space. Annu Rev Plant Physiol Plant Mol Biol 46: 215-236
11. +-ATPase. J Membr Biol 145: 75-86
12. De Boer AH (1999) Potassium translocation into the root xylem. Plant Biol 1: 36-45
13. Dietrich P, Dreyer I, Wiesner P, Hedrich R (1998) Cation sensitivity and kinetics of guard-cell potassium channels differ among species. Planta 205: 277-287
14. Ding JP, Badot PM, Pickard BG (1993) Aluminium and hydrogen ions inhibit a mechanosensory calcium-selective cation channel. Aust J Plant Physiol 20: 771-778
15. Evert RF, Eschrich W, Heyser W (1977) Distribution and structure of the plasmodesmata in mesophyll and bundle-sheath cells of Zea mays L. Planta 136: 77-89
16. Evert RF, Botha CEJ, Mierzwa RJ (1985) Free-space marker studies on the leaf of Zea mays L. Protoplasma 126: 62-73
17. Evert RF, Russin WA. Bosabalidis AM (1996) Anatomical and ultrastructural changes associated with sink-to-source transition in developing maize leaves. Int J Plant Sci 157: 247-261
18. Fritz E, Evert RF, Heyser W (1983) Microautoradiographic studies of phloem loading and transport in the leaf of Zea mays L. Planta 159: 193-206
19. + channels of Arabidopsis thaliana cultured cells. J Plant Physiol 151: 682-688
20. Gollan T, Schurr U, Schulze ED (1992) Stomatal response to drying soil in relation to changes in the xylem sap composition of Helianthus annuus. I. The concentrations of cations, anions, amino acids in, and pH of, the xylem sap. Plant Cell Environ 15: 551-559
21. Gradmann D, Klieber HG, Hansen UP (1987) Reaction-kinetic parameters for ion transport from steady-state current-voltage curves. Biophys J 51: 569-585
22. Grignon C, Sentenac H (1991) pH and ionic conditions in the apoplast. Annu Rev Plant Physiol Plant Mol Biol 42: 103-128
23. Hattersley PW, Browing AJ (1981) Occurrence of the suberized lamella in leaves of grasses of different photosynthetic types. I. In parenchymatous bundle sheaths and PCR ("Kranz") steaths. Protoplasma 109: 371-401
24. Hodgkin AL (1951) The ionic basis of electrical activity in nerve and muscle. Biol Rev 26: 339-409
25. Hoshi T (1995) Regulation of voltage dependence of the KAT1 channel by intracellular factors. J Gen Physiol 105: 309-328
26. Hoth S, Dreyer I, Dietrich P, Becker D, Muller-Rober B, Hedrich R (1997) Molecular basis of plant-specific acid activation of K uptake channels. Proc Natl Acad Sci USA 94: 4806-4810
27. Ilan N, Schwartz A, Moran N (1994) External pH effects on the depolarization-activated K channels in guard cell protoplasts of Vicia faba. J Gen Physiol 103: 807-831
28. Ilan N, Schwartz A, Moran N (1996) External protons enhance the activity of the hyperpolarisation-activated K channels in guard cell protoplasts of Vicia faba. J Membr Biol 154: 169-181
29. Keunecke M, Sutter JU, Sattelmacher B, Hansen UP (1997) Isolation and patch clamp measurements of xylem contact cells for the study of their role in the exchange between apoplast and symplast of leaves. Plant Soil 196: 239-244
30. Leonhardt N, Marin E, Vavasseur A, Forestier C (1997) Evidence for the existence of a sulfonylurea-receptor-like protein in plants: modulation of stomatal movements and guard cell potassium channels by sulfonylureas and potassium channel openers. Proc Natl Acad Sci USA 94: 14156-14161
31. Li W, Assmann SM (1993) Characterization of a G-protein-regulated outward potassium current in mesophyll cells of Vicia faba L. Proc Natl Acad Sci USA 90: 262-266
32. Linz KW, Köhler K (1994) Vacuolar ion currents in the primitive green alga Eremosphera viridis: the electrical properties of both the characeae and higher plants. Protoplasma 179: 34-45
33. + channel, is blocked by protons. Proc Natl Acad Sci USA 96: 7581-7586
34. McDougall J, Stewart D, Morison IM (1994) Cell-wall-bound oxidases from tobacco (Nicotiana tabacum) xylem participate in lignin formation. Planta 194: 9-14
35. Moran N (1996) Membrane-delimited phosphorylation enables the activation of the outward-rectifying K channels in motor cell protoplasts of Samanea saman. Plant Physiol 111: 1281-1292
36. Mühling KH, Plieth C, Hansen UP, Sattelmacher B (1995) Apoplastic pH of intact leaves of Vicia faba as influenced by light. J Exp Bot 46: 377-382
37. + channel expression represents an essential step in coleoptile growth and gravitropism. Proc Natl Acad Sci USA 96: 12186-12191
38. + channel as studies by a kinetic analysis in Chara corallina. Planta 207: 52-59
39. Russin WA, Evert RF, Vanderveer PJ, Sharkey TD, Briggs SP (1996) Modification of a specific class of plasmodesmata and loss of sucrose export ability in the sucrose export defective 1 maize mutant. Plant Cell 8: 645-658
40. - binding order from a reaction kinetic model. J Membr Biol 58: 139-153
41. Schultze R, Draber S (1993) A nonlinear filter algorithm for detection of jumps in patch-clamp data. J Membr Biol 132: 41-52
42. Schurr U, Schulze ED (1996) Effects of drought on nutrient and ABA transport in Ricinus communis. Plant Cell Environ 19: 665-674
43. 2+ and function in cell elongation. J Membr Biol 149: 9-20
44. Thomine S, Zimmermann S, Guern J, Barbier-Brygoo H (1995) ATP-dependent regulation of an anion channel at the plasma membrane of protoplasts from the epidermal cells of Arabidopsis hypocotyls. Plant Cell 7: 2091-2100
45. Trapp S, Tucker SJ, Ashcroft FM (1998) Mechanism of ATP-sensitive K channel inhibition by sulfhydryl modification. J Gen Physiol 112: 325-332
46. Wegner LH, Raschke K (1994) Ion channels in the xylem parenchyma of barley roots. Plant Physiol 105: 799-813
47. 3+, J Membr Biol 142: 363-379
48. Zimmermann S, Thomine S, Guern J, Barbier-Brygoo H (1994) An anion current at the plasma membrane of tobacco protoplasts shows ATP-dependent voltage-regulation and is modulated by auxin. Plant J 6: 707-716
49. Zimmermann S, Talke I, Ehrhardt T, Nast G, Müller-Rober B (1998) Characterization of SKT1, an inwardly rectifying potassium channel from potato, by heterologous expression in insect cells. Plant Physiol 116: 879-890