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Updated: Nov 9, 2025

Visualizing Visual Adaptation
Published on: April 24, 2017
An evergreen mind and a heart for the colors of fall
Sylvain Aubry1, Bastien Christ2, Bernhard Kräutler3
1Department of Plant and Microbial Biology, University of Zürich, Zürich, Switzerland.
Abstract:
With the finest biochemical and molecular approaches, convincing explorative strategies, and long-term vision, Stefan Hörtensteiner succeeded in elucidating the biochemical pathway responsible for chlorophyll degradation. After having contributed to the identification of key chlorophyll degradation products in the course of the past 25 years, he gradually identified and characterized most of the crucial players in the PAO/phyllobilin degradation pathway of chlorophyll. He was one of the brightest plant biochemists of his generation, and his work opened doors to a better understanding of plant senescence, tetrapyrrole homeostasis, and their complex regulation. He sadly passed away on 5 December 2020, aged 57.
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