Plastid localization of the key carotenoid enzyme phytoene synthase is altered by isozyme, allelic variation, and activity.

@article{Shumskaya2012PlastidLO,
  title={Plastid localization of the key carotenoid enzyme phytoene synthase is altered by isozyme, allelic variation, and activity.},
  author={Maria Shumskaya and Louis M. T. Bradbury and Regina R. Monaco and Eleanore T. Wurtzel},
  journal={The Plant cell},
  year={2012},
  volume={24 9},
  pages={3725-41}
}
Plant carotenoids have unique physiological roles related to specific plastid suborganellar locations. Carotenoid metabolic engineering could enhance plant adaptation to climate change and improve food security and nutritional value. However, lack of fundamental knowledge on carotenoid pathway localization limits targeted engineering. Phytoene synthase (PSY), a major rate-controlling carotenoid enzyme, is represented by multiple isozymes residing at unknown plastid sites. In maize (Zea mays… CONTINUE READING

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