Transport of arginine and aspartic acid into isolated barley mesophyll vacuoles

Martinoia E, Thume M, Vogt E, Rentsch D, Dietz K-J (1991)
PLANT PHYSIOLOGY 97(2): 644-650.

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Autor*in
Martinoia, E.; Thume, M.; Vogt, E.; Rentsch, D.; Dietz, Karl-JosefUniBi
Abstract / Bemerkung
The transport of arginine into isolated barley (Hordeum vulgare L.) mesophyll vacuoles was investigated. in the absence of ATP, arginine uptake was saturable with a K(m) of 0.3 to 0.4 millimolar. Positively charged amino acids inhibited arginine uptake, lysine being most potent with a K(i) of 1.2 millimolar. In the presence of free ATP, but not of its Mg-complex, uptake of arginine was drastically enhanced and a linear function of its concentration up to 16 millimolar. The nonhydrolyzable adenylyl imidodiphosphate, but no other nucleotide tested, could substitute for ATP. Therefore, it is suggested that this process does not require energy and does not involve the tonoplast ATPase. The ATP-dependent arginine uptake was strongly inhibited by p-chloromercuriphenylsulfonic acid. Furthermore, hydrophobic amino acids were inhibitory (I50 phenylalanine 1 millimolar). Similar characteristics were observed for the uptake of aspartic acid. However, rates of ATP-stimulated aspartic acid transport were 10-fold lower as compared to arginine transport. Uptake of aspartate in the absence of ATP was negligible.
Erscheinungsjahr
1991
Zeitschriftentitel
PLANT PHYSIOLOGY
Band
97
Ausgabe
2
Seite(n)
644-650
ISSN
0032-0889
eISSN
1532-2548
Page URI
https://pub.uni-bielefeld.de/record/2408123

Zitieren

Martinoia E, Thume M, Vogt E, Rentsch D, Dietz K-J. Transport of arginine and aspartic acid into isolated barley mesophyll vacuoles. PLANT PHYSIOLOGY. 1991;97(2):644-650.
Martinoia, E., Thume, M., Vogt, E., Rentsch, D., & Dietz, K. - J. (1991). Transport of arginine and aspartic acid into isolated barley mesophyll vacuoles. PLANT PHYSIOLOGY, 97(2), 644-650. doi:10.1104/pp.97.2.644
Martinoia, E., Thume, M., Vogt, E., Rentsch, D., and Dietz, K. - J. (1991). Transport of arginine and aspartic acid into isolated barley mesophyll vacuoles. PLANT PHYSIOLOGY 97, 644-650.
Martinoia, E., et al., 1991. Transport of arginine and aspartic acid into isolated barley mesophyll vacuoles. PLANT PHYSIOLOGY, 97(2), p 644-650.
E. Martinoia, et al., “Transport of arginine and aspartic acid into isolated barley mesophyll vacuoles”, PLANT PHYSIOLOGY, vol. 97, 1991, pp. 644-650.
Martinoia, E., Thume, M., Vogt, E., Rentsch, D., Dietz, K.-J.: Transport of arginine and aspartic acid into isolated barley mesophyll vacuoles. PLANT PHYSIOLOGY. 97, 644-650 (1991).
Martinoia, E., Thume, M., Vogt, E., Rentsch, D., and Dietz, Karl-Josef. “Transport of arginine and aspartic acid into isolated barley mesophyll vacuoles”. PLANT PHYSIOLOGY 97.2 (1991): 644-650.

13 Zitationen in Europe PMC

Daten bereitgestellt von Europe PubMed Central.

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Martinoia E, Massonneau A, Frangne N., Plant Cell Physiol 41(11), 2000
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Jamaï A, Gaillard C, Delrot S, Martinoia E., Planta 196(3), 1995
PMID: 7647680
Glycine uptake into barley mesophyll vacuoles is regulated but not energized by ATP.
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PMID: 16668840

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