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High temperature enhances inhibitor production but reduces fallover in tobacco Rubisco

Schrader, Stephen M; Kane, Heather; Sharkey, Thomas D; von Caemmerer, Susanne


High temperature inhibits photosynthesis by several mechanisms including reduction in Rubisco activity. While the initial reaction velocity of purified, fully carbamylated, inhibitor-free Rubisco increases with temperature in vitro, over time, the reaction velocity slowly declines (fallover) because of the enzymatic and non-enzymatic production of inhibitors from the substrate ribulose-1,5-bisphosphate. We tested whether fallover could contribute to the decline in Rubisco activity observed in...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Functional Plant Biology
DOI: 10.1071/FP06059


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