Diversity of regulatory mechanisms of photosynthetic carbon metabolism in plants and algae
2015
Tamoi, Masahiro | Shigeoka, Shigeru
To clarify the regulatory mechanisms of the Calvin cycle in algae, we analyzed the molecular properties of the enzymes involved in this cycle. We demonstrated that these enzymes were not regulated by redox modulation through the ferredoxin/thioredoxin system under light/dark conditions and were not sensitive to treatments with hydrogen peroxide in vitro, unlike the chloroplastic thiol-modulated enzymes of plants. On the other hand, we found that cyanobacteria possessed a unique enzyme involved in the Calvin cycle. The CP12 protein played an important role in regulating carbon metabolism in the Calvin cycle in cyanobacteria and eukaryotic algae. This review described the regulatory mechanisms of the Calvin cycle in algae and also the effects of alterations to photosynthetic carbon metabolism on plant productivity, carbon partitioning, and the carbon/nitrogen balance using transgenic plants expressing algal genes.
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Эту запись предоставил National Agricultural Library