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Rubisco evolution in C4 eudicots: an analysis of Amaranthaceae sensu lato

Kapralov, Maxim V.; Smith, J. Andrew C.; Filatov, Dmitry A.


BACKGROUND Rubisco (ribulose-1,5-bisphosphate carboxylase/oxygenase) catalyses the key reaction in the photosynthetic assimilation of CO₂. In C₄ plants CO₂ is supplied to Rubisco by an auxiliary CO₂-concentrating pathway that helps to maximize the carboxylase activity of the enzyme while suppressing its oxygenase activity. As a consequence, C₄ Rubisco exhibits a higher maximum velocity but lower substrate specificity compared with the C₃ enzyme. Specific amino-acids in Rubisco are associated...[Show more]

CollectionsANU Research Publications
Date published: 2012-12-20
Type: Journal article
Source: PLoS ONE
DOI: 10.1371/journal.pone.0052974


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