Mechanisms of solute efflux from seed coats: Whole-cell K+ currents in transfer cell protoplasts derived from coats of developing seeds of Vicia faba L.

Journal of Experimental Botany

Volumn 48, Issue 313, 1997, Pages 1565-1572

  Zhang, W H ^a,d   Walker, N A ^b   Tyerman, S D ^c   Patrick, J W ^a  

^a UNIVERSITY OF NEWCASTLE   (Australia)

^b UNIVERSITY OF NEW SOUTH WALES   (Australia)

^c FLINDERS UNIVERSITY   (Australia)

^d UNIVERSITY OF WESTERN AUSTRALIA   (Australia)

Author keywords

Potassium inward rectifier; Potassium outward rectifier; Seed coat; Transfer cell protoplast; Vicia faba L.

Indexed keywords

VICIA FABA;

EID: 0030758343     PISSN: 00220957     EISSN: None     Source Type: Journal    
DOI: 10.1093/jxb/48.8.1565     Document Type: Article

References (33)

1. Briarty LG, Coult DA, Boulter D. 1969. Protein bodies of developing seeds of Vicia faba. Journal of Experimental Botany 20, 358-72.
2. Corey DP, Steven CF. 1983. Science and technology of patch-recording electrodes. In: Sakmann B, Neher E, eds. Single-channel recording. New York and London: Plenum, 53-68.
3. +-channel activation and deactivation in guard cells from a dicotyledon (Vicia faba L.) and a gramineous monocotyledon (Zea mays). Planta 189, 410-19.
4. Fieuw S, Patrick JW. 1993. Mechanism of photosynthate efflux from Vicia faba L. seed coats. I. Tissue studies. Journal of Experimental Botany 44, 65-74.
5. + inward rectifiers in the plasmalemma of wheat root protoplasts. Journal of Membrane Biology 139, 103-16.
6. Garrill A, Tyerman SD, Findlay GP. 1994. Ion channels in the plasma membrane of protoplasts from the halophytic angiosperm Zostera muelleri. Journal of Membrane Biology 42, 381-93.
7. Hamill OP, Marty A, Neher E, Sakmann B. Sigworth FJ. 1981. Improved patch-clamp techniques for high-resolution current recording from cell-free membrane patches. Pflügers Archiv 391, 85-100.
8. Hodgkin AL, Huxley AF. 1952. A quantitative description of membrane current and its application to conduction and excitation in nerve. Journal of Physiology 117, 500-44.
9. Ketchum KA, Shrier A, Poole RJ. 1989. Characterization of potassium-dependent currents in protoplasts of corn suspension cells. Plant Physiology 89, 1184-92.
10. Maathuis FJM, Sanders D. 1996. Mechanisms of potassium absorption by higher plant roots. Physiologia Plantarum 96, 158-68.
11. McDonald R, Wang HL, Patrick JW, Offler CE. 1995 Cellular pathway of sucrose transport in developing cotyledon of Vicia faba L. and Phaseolus vulgaris L. A physiological assessment. Planta 196, 659-67.
12. Moran N, Ehrenstein G, Iwasa K, Mischke C, Bare C, Satter RL. 1988. Potassium channels in motor cells of Samanea saman: a patch-clamp study. Plant Physiology 88, 643-8.
13. Offler CE, Patrick JW. 1993. Pathway of photosynthate transfer in the developing seed of Vicia faba L: a structural assessment of the role of transfer cells in unloading from the seed coat. Journal of Experimental Botany 44, 711-24.
14. Patrick JW. 1984. Photosynthate unloading from seed coats of Phaseolus vulgaris L. Control by water relations. Journal of Plant Physiology 115, 297-310.
15. Patrick JW. 1993. Osmotic regulation of assimilate unloading from seed coats of Vicia faba. Role of turgor and identification of turgor-dependent fluxes. Physiologia Plantarum 89, 87-96.
16. Patrick JW. 1994. Turgor dependent unloading of photosynthyates from coats of developing seed of Phaseolus vulgaris and Vicia faba. Turgor homeostasis and set points. Physiologia Plantrum 90, 367-77.
17. Patrick JW, Offler CE. 1995. Post-sieve element transport of sucrose in developing seeds. Australian Journal of Plant Physiology 22, 681-702.
18. Patrick JW, Offler CE, Wang X-D. 1995. Cellular pathway of photosynthate transport in coats of developing seed of Vicia faba L. and Phaseolus vulgaris L. I. Extent of transport through the coat symplast. Journal of Experimental Botany 46, 35-47.
19. + selective currents in the plasma membrane of protoplasts from maize root cortex and stele. The Plant Journal 8, 811-25.
20. Robinson RA, Stokes RM. 1959. Electrolyte solutions. Butterworth, London.
21. + selectivity of a cation channel in the plasma membrane of root cells does not differ in salt-tolerant and salt-sensitive wheat species. Plant Physiology 97, 598-605.
22. + channels in the plasma membrane of Vicia faba guard cells. Journal of General Physiology 92, 667-83.
23. 2+-channel blockers on plasma membrane cation channels of Amaranthus tricolor protoplasts. Journal of Experimental Botany 43, 1457-73.
24. Tester M. 1990. Plant ion channels: whole-cell and single channel studies. New Phytologist 114, 305-40.
25. Tyerman SD. 1992. Anion channels in plants. Annual Review of Plant Physiology and Plant Molecular Biology 43, 351-73.
26. + currents in protoplasts from tobacco cell suspension cultures. Journal of Membrane Biology 132, 77-85.
27. + currents across the plasma membrane of tobacco protoplasts from cell-suspension culture. Plant Physiology 101, 81-8.
28. + channels in root cell protoplasts of Plantago media L. Its significance for the P- and K- state. Journal of Membrane Biology 141, 113-22.
29. Walker NA, Patrick JW, Zhang WH, Fieuw S. 1995. Efflux of photosynthate and acid from developing seed coats of Phaseolus vulgaris L.: a chemiosmotic analysis of pump-driven efflux. Journal of Experimental Botany 46, 539-49.
30. Wang X-D, Harrington G, Patrick JW, Offler CE. 1995. Cellular pathway of photosynthate transport in coats of developing seed of Vicia faba L. and Phaseolus vulgaris L. II. Principal cellular site(s) of efflux. Journal of Experimental Botany 46, 49-63.
31. Wegner LH, Raschke K. 1994. Ion channels in the xylem parenchyma of barley roots. Plant Physiology 105, 799-813.
32. White PJ, Lemtiri-Chlieh F. 1995. Potassium current across the plasma membrane of protoplasts derived from rye roots: a patch-clamp study. Journal of Experimental Botany 46, 497-511.
33. Wolswinkel P. 1992. Transport of nutrients into developing seeds: a review of physiological mechanisms. Seed Science Research 2, 59-73.