Chlorophyll Breakdown in a Fern-Discovery of Phyllobilin Isomers with a Rearranged Carbon Skeleton

Angewandte Chemie
Theresia ErhartThomas Müller

Abstract

All structure-based information on chlorophyll (Chl) breakdown in the higher plants relies on studies with angiosperms. Herein, the first investigation of a fern is reported, revealing a novel type of Chl catabolites (phyllobilins) in leaves of this large division of the vascular plants, and providing structural insights into an astounding metabolic process of the higher plants that appears to have played a role even in early phases of plant evolution. The tetrapyrrolic Chl catabolites in the cosmopolitan bracken fern were discovered to be phyllobilin isomers with an unprecedented skeleton, proposed to be the striking result of a rearrangement of a hypothetical phyllobilin precursor.

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Citations

Apr 17, 2021·Journal of Experimental Botany·Sylvain AubryCyril Zipfel
Dec 22, 2021·The Plant Journal : for Cell and Molecular Biology·Isabel SchumacherSylvain Aubry

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Methods Mentioned

BETA
NMR

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