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Transgenic maize phosphoenolpyruvate carboxylase alters leaf-atmosphere CO2 and 13CO2 exchanges in Oryza sativa

Giuliani, Rita; Karki, Shanta; Covshoff, Sarah; Lin, Hsiang-Chun; Coe, Robert A; Koteyeva, Nuria K; Evans, Marc A.; Quick, W Paul; von Caemmerer, Susanne; Furbank, Robert; Hibberd, Julian; Edwards, Gerald


The engineering process of C4 photosynthesis into C3 plants requires an increased activity of phosphoenolpyruvate carboxylase (PEPC) in the cytosol of leaf mesophyll cells. The literature varies on the physiological efect of transgenic maize (Zea mays) PEPC (ZmPEPC) leaf expression in Oryza sativa (rice). Therefore, to address this issue, leaf-atmosphere CO2 and 13CO2 exchanges were measured, both in the light (at atmospheric O2 partial pressure of 1.84 kPa and at diferent CO2 levels) and in...[Show more]

CollectionsANU Research Publications
Date published: 2019
Type: Journal article
Source: Photosynthesis Research
DOI: 10.1007/s11120-019-00655-4
Access Rights: Open Access


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