Axoplasmic free magnesium levels and magnesium extrusion from squid giant axons

Journal of General Physiology

Volumn 68, Issue 2, 1976, Pages 159-178

  De Weer, Paul ^a  

^a WASHINGTON UNIVERSITY SCHOOL OF MEDICINE   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

MAGNESIUM; RADIOISOTOPE;

AXOPLASM; INVERTEBRATE; THEORETICAL STUDY;

ACTION POTENTIALS; ANIMAL; AXONS; CALCIUM; ELECTROPHYSIOLOGY; MAGNESIUM; MEMBRANE POTENTIALS; SODIUM; SQUID; SUPPORT, U.S. GOV'T, P.H.S.;

EID: 0017162850     PISSN: 00221295     EISSN: 15407748     Source Type: Journal    
DOI: 10.1085/jgp.68.2.159     Document Type: Article

References (26)

1. ASHLEY, C. C, and J. C. ELLORY. 1972. The efflux of magnesium from single crustacean muscle fibres. J. Physiol. (Lond.) 226:653-674.
2. BAKER, P. F., and A. C. CRAWFORD. 1972. Mobility and transport of magnesium in squid giant axons. J. Physiol. (Lond.) 227:855-874.
3. BLAUSTEIN, M. P. 1974. The interrelationship between sodium and calcium fluxes across cell membranes. Rev. Physiol. Biochem. Pharmacol. 70:33-82.
4. BLAUSTEIN, M. P., J. M. RUSSELL, and P. DE WEER. 1974. Calcium efflux from internally dialyzed squid axons: the influence of external and internal cations. J. Supramol. Struct. 2:558-581.
5. BRAY, G. A. 1960. A simple efficient liquid scintillator for counting aqueous solutions in a liquid scintillation counter. Anal. Biochem. 1:279-285.
6. BRINLEY, F. J., Jr., and L. J. MULLINS. 1974. Effects of membrane potential on sodium and potassium fluxes in squid axons. Ann. N.Y. Acad. Sci. 242:406-433.
7. BRINLEY, F. J., Jr., and A. SCARPA. 1975. Ionized magnesium concentration in axoplasm of dialyzed squid axons. FEBS (Fed. Eur. Biochem. Soc) Lett. 50:82-85.
8. DE WEER, P. 1970. Effects of intracellular adenosine-5'-diphosphate and orthophosphate on the sensitivity of sodium efflux from squid axon to external sodium and potassium. J. Gen. Physiol. 56:583-620.
9. DE WEER, P. 1974 a. Axoplasmic free magnesium levels and magnesium ion transport in squid giant axon. Biol. Bull. (Woods Hole) 147:473-474.
10. DE WEER, P. 1974 Na+, K+ exchange and Na+, Na+ exchange in the giant axon of the squid. Ann. N. Y. Acad. Sci. 242:434-444.
11. DE WEER, P., and A. G. LOWE. 1973. Myokinase equilibrium. An enzymatic method for the determination of stability constants of magnesium complexes with adenosine triphosphate, adenosine diphosphate, and adenosine monophosphate in media of high ionic strength. J. Biol. Chem. 248:2829-2835.
12. ENGLAND, P. J., R. M. DENTON, and P. J. RANDLE. 1967. The influence of magnesium ions and other bivalent metal ions on the aconitase equilibrium and its bearing on the binding of magnesium ions by citrate in rat heart. Biochem. J. 105:32C-33C.
13. HASTINGS, J. W., G. MITCHELL, P. H. MATTINGLY.J. R. BLINKS, and M. VAN LEEUWEN. 1969. Response of aequorin bioluminescence to rapid changes in calcium concentration. Nature (Lond.) 222:1047-1050.
14. HODGKIN, A. L., and R. D. KEYNES. 1955. Active transport of cations in giant axons from Sepia and Loligo. J. Physiol. (Lond.) 128:28-60.
15. KOHLHARDT, M., B. BAUER, H. KRAUSE, and A. FLECKENSTEIN. 1972. New selective inhibitors of the transmembrane Ca conductivity in mammalian myocardial fibres.Studies with the voltage clamp technique. Experientia (Basel) 28:288-289.
16. MULLINS, L. J. 1972. Active transport of Na+ and K+ across the squid axon membrane. In The Role of Membranes in Secretory Processes. L. Bolis, editor. North-Holland, Amsterdam. 182-202.
17. MULLINS, L. J., and F.J. BRINLEY, Jr. 1969. Potassium fluxes in dialyzed squid axons. J. Gen. Physiol. 53:704-740.
18. MULLINS, L. J., and F. J. BRINLEY, Jr. 1975. Sensitivity of calcium efflux from squid axons to changes in membrane potential. J. Gen. Physiol. 65:135-152.
19. NANNINGA, L. B. 1961. Calculation of free magnesium, calcium and potassium in muscle. Biochim. Biophys. Acta. 54:338-344.
20. RECHNITZ, G. A. 1975. Membrane electrode probes for biological systems. Science (Wash.D. C.) 190:234-238.
21. ROBINSON, R. A., and R. H. STOKES. 1959. Electrolyte Solutions. Butterworths, London. 2nd edition.
22. SCARPA, A. 1974. Indicators of free magnesium in biological systems. Biochemistry. 13:2789-2794.
23. SKOU, J. C. 1957. The influence of some cations on an adenosine triphosphatase from peripheral nerves. Biochim. Biophys. Acta. 23:394-401.
24. SUMMERS, W. C. 1971. Age and growth of Loligo pealei, a population study of the common Atlantic Coast squid. Biol. Bull. (Woods Hole) 141:189-201.
25. VAN BREEMEN, C, and P. DE WEER. 1970. Lanthanum inhibition of 45Ca efflux from the squid giant axon. Nature (Lond.) 226:760-761.
26. VELOSO, D., R. W. GUYNN, M. OSKARSSON, and R. L. VEECH. 1973. The concentrations of free and bound magnesium in rat tissues. J. Biol. Chem. 248:4811-4819.