Biochemical properties of fusicoccin receptors are strongly influenced by the phospholipid environment. In this report we have studied the effect of different exogenous phospholipases on fusicoccin binding ability of both plasma membrane and solubilised receptors. Among the phospholipases tested only phospholipase A2 showed an inhibitory effect on fusicoccin binding. In particular, the influence of this enzyme on the time course and reversibility of the fusicoccin binding reaction was studied. The inhibitory effect of phospholipase A2 was the consequence of fatty acid release. The usual fatty acids of plasma membrane phospholipids were active in inhibiting the interaction of fusicoccin with its receptors. It is concluded that a phospholipid associated to the fusicoccin receptor might play a significant role in the modulation of binding.

Aducci, P., Ballio, A., Donini, V., Fogliano, V., Fullone, M.r., Marra, M. (1993). Phospholipase A2 affects the activity of fusicoccin receptors. FEBS LETTERS, 320(2), 173-176 [10.1016/0014-5793(93)80086-A].

Phospholipase A2 affects the activity of fusicoccin receptors

ADUCCI, PATRIZIA;MARRA, MAURO
1993-01-01

Abstract

Biochemical properties of fusicoccin receptors are strongly influenced by the phospholipid environment. In this report we have studied the effect of different exogenous phospholipases on fusicoccin binding ability of both plasma membrane and solubilised receptors. Among the phospholipases tested only phospholipase A2 showed an inhibitory effect on fusicoccin binding. In particular, the influence of this enzyme on the time course and reversibility of the fusicoccin binding reaction was studied. The inhibitory effect of phospholipase A2 was the consequence of fatty acid release. The usual fatty acids of plasma membrane phospholipids were active in inhibiting the interaction of fusicoccin with its receptors. It is concluded that a phospholipid associated to the fusicoccin receptor might play a significant role in the modulation of binding.
1993
Pubblicato
Rilevanza internazionale
Articolo
Sì, ma tipo non specificato
Settore BIO/01 - BOTANICA GENERALE
English
Con Impact Factor ISI
fusicoccin; membrane receptor; zea-mays l
Aducci, P., Ballio, A., Donini, V., Fogliano, V., Fullone, M.r., Marra, M. (1993). Phospholipase A2 affects the activity of fusicoccin receptors. FEBS LETTERS, 320(2), 173-176 [10.1016/0014-5793(93)80086-A].
Aducci, P; Ballio, A; Donini, V; Fogliano, V; Fullone, Mr; Marra, M
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2108/6121
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