Differential Inhibition of P i-ATP Exchange in Relation to ATP Synthesis and Hydrolysis by Glutaraldehyde Modification of Chloroplast Membranes

D Bar-Zvi; N Shavit

doi:https://doi.org/10.1007/978-94-017-6368-4_91

Differential Inhibition of P i-ATP Exchange in Relation to ATP Synthesis and Hydrolysis by Glutaraldehyde Modification of Chloroplast Membranes

D Bar-Zvi, N Shavit

Department of Life Sciences

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

In isolated thylakoid membranes, the chlooroplast ATP synthetase catalyses high rates of ATP synthesis, but rather low rates of the reverse reactions. However, higher rates of ATP hydrolysis and Pi-ATP exchange can be obtained after activation by energization of the membranes in the presence of thiol reagents (Shavit, 1980). The participation of different enzyme conformations or altered catalytic site(s) in the catalysis of ADP and ATP utilizing reactions has been suggested (Shavit, 1980; Pedersen, 1978). Chemical modification of the isolated and membrane-bound CF1 has been used to study its mechanism of action (Vallejos, 1981).

Original language	English GB
Title of host publication	Advances in Photosynthesis Research
Editors	C. Sybesma
Place of Publication	Dordrecht
Publisher	Springer, Dordrecht
Pages	407-410
Volume	2
ISBN (Electronic)	978-94-017-6368-4
ISBN (Print)	978-90-247-2943-2
DOIs	https://doi.org/10.1007/978-94-017-6368-4_91
State	Published - 1984

Publication series

Name	Agricultural Biotechnology

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title = "Differential Inhibition of P i-ATP Exchange in Relation to ATP Synthesis and Hydrolysis by Glutaraldehyde Modification of Chloroplast Membranes",

abstract = "In isolated thylakoid membranes, the chlooroplast ATP synthetase catalyses high rates of ATP synthesis, but rather low rates of the reverse reactions. However, higher rates of ATP hydrolysis and Pi-ATP exchange can be obtained after activation by energization of the membranes in the presence of thiol reagents (Shavit, 1980). The participation of different enzyme conformations or altered catalytic site(s) in the catalysis of ADP and ATP utilizing reactions has been suggested (Shavit, 1980; Pedersen, 1978). Chemical modification of the isolated and membrane-bound CF1 has been used to study its mechanism of action (Vallejos, 1981).",

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language = "אנגלית",

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volume = "2",

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publisher = "Springer, Dordrecht",

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Differential Inhibition of P i-ATP Exchange in Relation to ATP Synthesis and Hydrolysis by Glutaraldehyde Modification of Chloroplast Membranes. / Bar-Zvi, D; Shavit, N.

Advances in Photosynthesis Research. ed. / C. Sybesma . Vol. 2 Dordrecht : Springer, Dordrecht, 1984. p. 407-410 (Agricultural Biotechnology).

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

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AU - Shavit, N

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N2 - In isolated thylakoid membranes, the chlooroplast ATP synthetase catalyses high rates of ATP synthesis, but rather low rates of the reverse reactions. However, higher rates of ATP hydrolysis and Pi-ATP exchange can be obtained after activation by energization of the membranes in the presence of thiol reagents (Shavit, 1980). The participation of different enzyme conformations or altered catalytic site(s) in the catalysis of ADP and ATP utilizing reactions has been suggested (Shavit, 1980; Pedersen, 1978). Chemical modification of the isolated and membrane-bound CF1 has been used to study its mechanism of action (Vallejos, 1981).

AB - In isolated thylakoid membranes, the chlooroplast ATP synthetase catalyses high rates of ATP synthesis, but rather low rates of the reverse reactions. However, higher rates of ATP hydrolysis and Pi-ATP exchange can be obtained after activation by energization of the membranes in the presence of thiol reagents (Shavit, 1980). The participation of different enzyme conformations or altered catalytic site(s) in the catalysis of ADP and ATP utilizing reactions has been suggested (Shavit, 1980; Pedersen, 1978). Chemical modification of the isolated and membrane-bound CF1 has been used to study its mechanism of action (Vallejos, 1981).

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Differential Inhibition of P i-ATP Exchange in Relation to ATP Synthesis and Hydrolysis by Glutaraldehyde Modification of Chloroplast Membranes

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