Expression studies of the zeaxanthin epoxidase gene in nicotiana plumbaginifolia

  title={Expression studies of the zeaxanthin epoxidase gene in nicotiana plumbaginifolia},
  author={Audran and Borel and Frey and Sotta and Meyer and Simonneau and Marion-Poll},
  journal={Plant physiology},
  volume={118 3},
Abscisic acid (ABA) is a plant hormone involved in the control of a wide range of physiological processes, including adaptation to environmental stress and seed development. In higher plants ABA is a breakdown product of xanthophyll carotenoids (C40) via the C15 intermediate xanthoxin. The ABA2 gene of Nicotiana plumbaginifolia encodes zeaxanthin epoxidase, which catalyzes the conversion of zeaxanthin to violaxanthin. In this study we analyzed steady-state levels of ABA2 mRNA in N… CONTINUE READING
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