Article
MES16, a member of the methylesterase protein family, specifically demethylates fluorescent chlorophyll catabolites during chlorophyll breakdown in Arabidopsis.
Plant physiology - 1 Feb 2012
Christ Bastien, Schelbert Silvia, Aubry Sylvain, Süssenbacher Iris, Müller Thomas, Kräutler Bernhard, Hörtensteiner Stefan
Abstract excerpt
During leaf senescence, chlorophyll (Chl) is broken down to nonfluorescent chlorophyll catabolites (NCCs). These arise from intermediary fluorescent chlorophyll catabolites (FCCs) by an acid-catalyzed isomerization inside the vacuole. The chemical structures of NCCs from Arabidopsis (Arabidopsis thaliana) indicate the presence of an enzyme activity that demethylates the C13(2)-carboxymethyl group present at the...
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