PMID: 1193497Jan 1, 1975Paper

Transport properties of membrane vesicles from Acholeplasma laidlawii. III. Evidence of active nature of glucose transport

Folia Microbiologica
N S FedotovM A Tarshis

Abstract

Membrane vesicles obtained from Acholeplasma laidlawii accumulate glucose as well as maltose and fructose against their concentration gradient in the absence of exogenous energy sources. Glucose uptake by membrane vesicles is inhibited by anaerobiosis and by electron transfer inhibitors, such as rotenone and amytal, but not by 2-heptyl-4-hydroxyquinoline N-oxide, antimycin A, cyanide and azide. Rotenone, cyanide and amytal also produce a rapid efflux of glucose from the membrane vesicles. Arsenate, oligomycin and N,N'-dicyclohexylcarbodimide do not inhibit glucose transport. Transport of glucose is markedly inhibited by proton conductors such as CCCP and pentachlorophenol. It is concluded that glucose transport can be driven by a high-energy state of the membrane or by the membrane potential.

References

Oct 25, 1973·Biochimica Et Biophysica Acta·G van Thienen, P W Postma
Feb 18, 1974·Annals of the New York Academy of Sciences·F M Harold
May 26, 1972·Biochemical and Biophysical Research Communications·G D Sprott, R A MacLeod
Feb 18, 1974·Annals of the New York Academy of Sciences·F J LombardiH R Kaback
Jan 23, 1973·Biochemical and Biophysical Research Communications·I C West, T H Wilson
Dec 1, 1973·Proceedings of the National Academy of Sciences of the United States of America·W N Konings, H R Kaback
Dec 3, 1973·European Journal of Biochemistry·M A TarshisH I Bourd
Jul 15, 1969·Biochimica Et Biophysica Acta·H W Cho, H J Morowitz

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Citations

Apr 1, 1979·Archives of Biochemistry and Biophysics·E M BeversL L van Deenen

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