1967
DOI: 10.1515/znb-1967-1013
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Durch Säure-Base-Übergang induzierte ATP-Pa-Austauschreaktion in Chloroplasten

Abstract: Chloroplasts possess an ATP-Pa-exchange activity, which is induced by a transition from acid to base. The reaction is dependant on the presence of Mg 2 ® and a reducing agent, DTT. The exchange reaction induced by acid-base transition has properties similar to the light-triggered ATPPa-exchange and the ATP-synthesis induced by acid-base transition.Die Austauschreaktion zwischen ATP * und anorganischem Phosphat, wie auch die Reaktion der ATP-ase, gelten nach heutigen Erkenntnissen allgemein als Teilreaktionen d… Show more

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Cited by 13 publications
(2 citation statements)
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“…In contrast to light induced phosphorylation; there is no need for electron transport; light and addition of the electron carrier PMS do not enhance the formation of ATP under the described conditions. Furthermore the building up of a high energy membrane state, either by light or by an acid base transition as found necessary for the ATP/Pi exchange [7,9] and for the ATPase [ 12, 181, is no prerequisite for an ATP synthesis from ADP and pyrophosphate. A thiol reagent, activating ATP/Pi exchange and ATP hydrolysis, has no remarkable effect on the ATP synthesis with pyrophosphate.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…In contrast to light induced phosphorylation; there is no need for electron transport; light and addition of the electron carrier PMS do not enhance the formation of ATP under the described conditions. Furthermore the building up of a high energy membrane state, either by light or by an acid base transition as found necessary for the ATP/Pi exchange [7,9] and for the ATPase [ 12, 181, is no prerequisite for an ATP synthesis from ADP and pyrophosphate. A thiol reagent, activating ATP/Pi exchange and ATP hydrolysis, has no remarkable effect on the ATP synthesis with pyrophosphate.…”
Section: Discussionmentioning
confidence: 99%
“…Unfortunately little is known of the nature of the energy-rich intermediates of phos phorylation. Decay times of these intermediates differ markedly, X, of Neumann and Jagendorf [ 191, as measured by pH change, has a half life of 2 to 30 setonds depending on the pH, Xg of Bachofen and Specht [9] and Specht and Bachofen [I 1 ] a half life time up to 30 mm, as measured by the ability to catalyse the ATP/Pi exchange reaction. At the moment it is not possible to estimate the decay time of X -P produced by pyrophosphate.…”
Section: Discussionmentioning
confidence: 99%