Article
Zeaxanthin deficiency enhances the high light sensitivity of an ascorbate-deficient mutant of Arabidopsis.
Plant physiology - 1 Oct 2003
Müller-Moulé Patricia, Havaux Michel, Niyogi Krishna K
Abstract excerpt
The ascorbate content of plants is usually increased in high light (HL), implying a function for ascorbate in the acclimation of plants to HL. Nevertheless, the importance of ascorbate in HL acclimation has not yet been tested directly. Here, we report on the acclimation process of an ascorbate-deficient Arabidopsis mutant to HL. The mutant vtc2 has only 10% to 30% of wild-type levels of ascorbate, and it is also...
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