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Removal of redox-sensitive Rubisco Activase does not alter Rubisco regulation in soybean
Photosynthesis Research, 2022Rubisco activase (Rca) facilitates the catalytic repair of Rubisco, the CO2-fixing enzyme of photosynthesis, following periods of darkness, low to high light transitions or stress. Removal of the redox-regulated isoform of Rubisco activase, Rca-α, enhances photosynthetic induction in Arabidopsis and has been suggested as a strategy for the improvement ...
Christopher M. Harvey +10 more
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Structure of green-type Rubisco activase from tobacco
Nature Structural & Molecular Biology, 2011Rubisco, the enzyme that catalyzes the fixation of atmospheric CO(2) in photosynthesis, is subject to inactivation by inhibitory sugar phosphates. Here we report the 2.95-Å crystal structure of Nicotiana tabacum Rubisco activase (Rca), the enzyme that facilitates the removal of these inhibitors.
Stotz, M. +6 more
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Heat sensitivity of Rubisco, Rubisco activase and Rubisco binding protein in higher plants
Acta Physiologiae Plantarum, 2004During the past few years the investigations concerning Rubisco and the changes of its activity and properties at elevated temperature were reconsidered with special reference to the important role of Rubisco activase and Rubisco binding protein. The major changes in Rubisco, Rubisco activase and Rubisco binding protein reported recently are presented ...
Demirevska-Kepova, K, Feller-Kaiser, Urs
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Biochemistry, 1996
The role of the N-terminal region of tobacco Rubisco activase in ATP hydrolysis and ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) activation was examined by construction of mutant proteins. Deletion of the first 50 amino acids of Rubisco activase almost completely eliminated the ability to activate Rubisco, without changing the ATP ...
F J, van de Loo, M E, Salvucci
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The role of the N-terminal region of tobacco Rubisco activase in ATP hydrolysis and ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) activation was examined by construction of mutant proteins. Deletion of the first 50 amino acids of Rubisco activase almost completely eliminated the ability to activate Rubisco, without changing the ATP ...
F J, van de Loo, M E, Salvucci
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Planta, 1996
Transgenic tobacco (Nicotiana tabacum L. cv. W38) plants with an antisense gene directed against the mRNA of ribulose-1,5-bisphosphate carboxylase/ oxygenase (Rubisco) activase were used to examine the relationship between CO2-assimilation rate, Rubisco carbamylation and activase content.
Colleen J, Mate +4 more
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Transgenic tobacco (Nicotiana tabacum L. cv. W38) plants with an antisense gene directed against the mRNA of ribulose-1,5-bisphosphate carboxylase/ oxygenase (Rubisco) activase were used to examine the relationship between CO2-assimilation rate, Rubisco carbamylation and activase content.
Colleen J, Mate +4 more
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Rubisco's chiropractor: a study of higher plant Rubisco activase
2015Rubisco activase operates as the chaperone responsible for maintaining the catalytic competency of Ribulose 1,5-bisphophate carboxylase oxygenase (Rubisco) in plants. Rubisco is notoriously inefficient, rapidly self-inactivating under physiological conditions. Rubisco activase uses the power released from the hydrolysis of ATP to power a conformational
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Complex formation of rubisco and rubisco activase
Biophysical Journal, 2022Kazi Waheeda, Po-Lin Chiu
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The Regulation of Rubisco Catalysis by Rubisco Activase
1995T. John Andrews +4 more
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