The actions of calmodulin antagonists W-7 and TFP and of calcium on the gating kinetics of the calcium-activated large conductance potassium channel of the Chara protoplasmic drop: A substate-sensitive analysis

Journal of Membrane Biology

Volumn 155, Issue 3, 1997, Pages 263-274

  Laver, D R ^a   Cherry, C A ^b   Walker, N A ^b  

^a Biology and Environment   (Australia)

^b UNIVERSITY OF SYDNEY   (Australia)

Author keywords

Calmodulin; Charophyte; Maxi K channel; Trifluoperazine; W 7

Indexed keywords

CALCIUM ION; CALMODULIN; CALMODULIN INHIBITOR; CHARYBDOTOXIN; N (6 AMINOHEXYL) 5 CHLORO 1 NAPHTHALENESULFONAMIDE; POTASSIUM CHANNEL; TRIFLUOPERAZINE;

ARTICLE; BINDING SITE; CELL MEMBRANE POTENTIAL; CHANNEL GATING; CONDUCTANCE; MICHAELIS MENTEN KINETICS; PLANT; PROTOPLAST;

ALGAE, GREEN; CA(2+)-CALMODULIN DEPENDENT PROTEIN KINASE; CALCIUM; ION CHANNEL GATING; POTASSIUM CHANNELS; SULFONAMIDES; TRIFLUOPERAZINE;

ANIMALIA; CHARA; CHARALES;

EID: 0030934623     PISSN: 00222631     EISSN: None     Source Type: Journal    
DOI: 10.1007/s002329900179     Document Type: Article

References (36)

1. Antkowiak, B., Kirshfeld, K. 1992. Enfurane is a potent inhibitor of high conductance calcium-activated potassium channels of Chara australis. FEBS Lett. 313:281-284
2. Barrett, J.N., Magelby, K.L., Pallotta, B.S. 1982. Properties of single calcium-activated potassium channels in cultured rat muscle. J. Physiol. 331:211-230
3. ++-calmodulin modulates ion channel activity in storage protein vacuoles of barley aleurone cells. The Plant Cell. 6:277-285
4. Blatz, A.L., Magleby, K.L. 1987. Calcium-activated potassium channels. Trends in Neurological Science 10:463-467
5. Chung, S.H., Moore, J.B., Xia, L.G., Premkumar, L.S., Gage, P.W. 1990. Characterization of single channel currents using digital signal processing techniques based on Hidden Markov Models. Phil. Trans. Roy. Soc. Series B 329:265-285
6. Chung, S.H., Krishnamurthy, V., Moore, J.B. 1991. Adaptive processing techniques based on hidden Markov models for characterizing very small channel current buried in noise and deterministic interferences. Phil. Trans. Roy. Soc. Series B 334:357-384
7. Colquhoun, D., Sigworth, F.J. 1983. Fitting and statistical analysis of single-channel records. In: Single-Channel Recording. B. Sakmann and E. Neher, editors. pp. 191-263. Plenum Press, New York
8. Evans, D.E., Askerlund, P., Boyce, J.M., Briars, S.A., Coates, D., Coates, J., Cooke, D.T., Theodoulou, F.L. 1992. Studies on the higher-plant calmodulin-stimulated ATPase. In: Transport and Receptor Proteins of Plant Membranes. D.T. Cooke and D.T. Clarkson, editors, pp. 39-53. Plenum Press, New York
9. Hedrich, R., Neher, E. 1987. Cytoplasmic calcium regulates voltage-dependent ion channels in plant vacuoles. Nature 329:833-836
10. Hidaka, H., Sasaki, Y., Tanaka, T., Endo, T., Ohno, S., Fujii, Y., Nagata, T. 1981. N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamide, a calmodulin antagonist, inhibits cell proliferation. Proc. Natl. Acad. Sci. (USA) 78:c4354-4357
11. + current missing in a mutant of Paramoecium. Science 232:503-506
12. Hsu, Y.T., Molday, R.S. 1994. Interaction of calmodulin with the cyclic-GMP-gated channel of rod photoreceptor cells: modulation of activity, affinity purification and localization. J. Biol. Chem. 269:29765-29770
13. Kamiya, N., Kuroda, K. 1957. Cell operation in Nitella. I. Cell amputation and effusion of the endoplasm. Proc. Japan. Acad. 33:149-152
14. Katsuhara, M., Tazawa, M. 1992. Calcium-regulated channels and their bearing on physiological activities in Characean cells. Phil. Trans. Roy. Soc. (London). Series B 338:19-29
15. Kihira, M., Matsuzawa, K., Tokuno, H., Tomita, T. 1990. Effects of calmodulin antagonists on calcium-activated potassium channels in pregnant rat myometrium. Brit. J. Pharmacol. 100:353-359
16. +-channel protein on calmodulin affinity columns after detergent solubilization of luminal membranes from outer renal medulla. FEBS Lett. 216:211-216
17. Kourie, J.I., Laver, D.R., Junankar, P.R., Gage, P.W., Dulhunty, A.F. 1996. Two types of chloride channel in sarcoplasmic reticulum of rabbit skeletal muscle. Biophys. J. 70:202-221
18. + channel in Chara australis. J. Membrane Biol. 118:55-67
19. + channel from Chara australis. J. Gen. Physiol. 100:269-300
20. + channels in the membrane of cytoplasmic drops of Chara australis. J. Membrane Biol. 100:31-42
21. + channel in the membrane of cytoplasmic drops from Chara australis. J. Membrane Biol. 120:131-139
22. + channels in the membrane of cytoplasmic drop of Chara australis. Protoplasma 133:19-27
23. McCann, J.D., Welsh, M.J. 1987. Neuroleptics antagonize a calcium-activated potassium channel in canine airway smooth muscle. J. Gen. Physiol. 89:339-352
24. --sensitive anion channels in the Chara plasmalemma: a patch-clamp study. Plant Cell Physiol. 34:75-82
25. Onozuka, M., Furuichi, H., Kishii, K., Imai, S. 1987. Calmodulin in the activation process of calcium-dependent potassium channel in Euhadra neurones. Comp. Biochem. Physiol. 86A:589-593
26. + channel. Neuron 9:307-313
27. ++ pump of higher plants. Plant Physiol. 103:385-390
28. Roufogalis, B.D. 1982. Specificity of trifluoperazine and related phenothiazines for calcium-1 binding proteins. In: Calcium and Cell Function. Vol. 3. W.Y. Chung, editor. pp. 129-159. Academic Press, New York
29. Sakano, K., Tazawa, M. 1986. Tonoplast origin of the membrane of cytoplasmic droplets prepared from Chara internodal cells. Protoplasma 131:247-249
30. Shatzman, R.C., Raynor, R.L., Kuo, J.F. 1983. N-(6-aminohexyl)-5-chloro-1-naphthalenesulfonamide (W-7), a calmodulin antagonist, also inhibits phospholipid-sensitive calcium-dependent protein kinase. Biochim. Biophys. Acta. 755:144-147
31. Sigworth, F.J., Sine, S.M. 1987, Data transformations for improved display and fitting of single-channel dwell time histograms. Biophys. J. 52:1047-1054
32. + channel from Chara corallina shown by a transient analysis method. Biophys. J. 61:736-749
33. Weiser, T., Bentrup, F.-W. 1993. Pharmacology of the SV channel in the vacuolar membrane of Chenopodium rubrum suspension cells. J. Membrane Biol. 136:43-54
34. ++-dependent slow-vacuolar ion channel in the tonoplast of Chenopodium rubrum suspension cells. Planta 185:440-442
35. ++ and cytoplasmic streaming in the alga Chara. Nature 296:647-651
36. Woodhull, A.M. 1973. Ionic blockage of sodium channels in nerve. J. Gen. Physiol. 61:687-708