C4 photosynthesis at low temperature. A study using transgenic plants with reduced amounts of Rubisco.

@article{Kubien2003C4PA,
  title={C4 photosynthesis at low temperature. A study using transgenic plants with reduced amounts of Rubisco.},
  author={David S. Kubien and Susanne von Caemmerer and Robert T Furbank and Rowan F Sage},
  journal={Plant physiology},
  year={2003},
  volume={132 3},
  pages={1577-85}
}
C(4) plants are rare in the cool climates characteristic of high latitudes and elevations, but the reasons for this are unclear. We tested the hypothesis that CO(2) fixation by Rubisco is the rate-limiting step during C(4) photosynthesis at cool temperatures. We measured photosynthesis and chlorophyll fluorescence from 6 degrees C to 40 degrees C, and in vitro Rubisco and phosphoenolpyruvate carboxylase activity from 0 degrees C to 42 degrees C, in Flaveria bidentis modified by an antisense… CONTINUE READING
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