Regulation of nitrate reductase in Chlamydomonas reinhardtii by the redox state of the plastoquinone pool

@inproceedings{Giordano2005RegulationON,
  title={Regulation of nitrate reductase in Chlamydomonas reinhardtii by the redox state of the plastoquinone pool},
  author={Mario Giordano and Y Chen and Michal Kobl{\'i}{\vz}ek and Paul G. Falkowski},
  year={2005}
}
In the chlorophyte alga Chlamydomonas reinhardtii, expression of the nuclear gene NIA1, encoding nitrate reductase, is regulated by light, but the signal transduction mechanism is poorly understood. Using inhibitors, mutants, and physiological manipulation, we searched for signals in the photosynthetic electron transport chain that potentially regulate NIA1 expression. In the NIA1þ wild-type clone CC-1692, nitrate reductase activity is strongly down-regulated when the reduction of plastoquinone… CONTINUE READING

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