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Carbonic Anhydrase and Its Influence on Carbon Isotope Discrimination during C4 Photosynthesis. Insights from Antisense RNA in Flaveria bidentis

Cousins, Asaph; Badger, Murray; von Caemmerer, Susanne

Description

In C4 plants, carbonic anhydrase (CA) facilitates both the chemical and isotopic equilibration of atmospheric CO2 and bicarbonate (HCO3-) in the mesophyll cytoplasm. The CA-catalyzed reaction is essential for C4 photosynthesis, and the model of carbon isotope discrimination (Δ13C) in C4 plants predicts that changes in CA activity will influence Δ 13C. However, experimentally, the influence of CA on Δ13C has not been demonstrated in C4 plants. Here, we compared measurements of Δ13C during C4...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
URI: http://hdl.handle.net/1885/85293
Source: Plant Physiology
DOI: 10.1104/pp.106.077776

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