ABBAU VON AROMATISCHEN UND HETEROCYCLISCHEN PFLANZENINHALTSSTOFFEN DURCH ZELLSUSPENSIONSKULTUREN

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Abstract
After an analysis of the difficulties in the elucidation of catabolic pathways in higher plants the advantages of cell suspension cultures as experimental systems are described. It could be demonstrated that flavonols, chalcones, flavanones, aurones and phenylethylamines are degraded by various cell suspension cultures ivith the intermediate formation of benzoic acids. The most recent evidence for ring fission reactions in higher plant cells is compared with microbial pathways. Experiments are described which show that anaerobic conditions favour glycosilation of phenols due to inhibition of degradative reactions. The importance of phenolase depending polymerisation reactions of phenols and their structural requirements are discussed. Finally cell suspension cultures of higher plants are shown to be suitable systems for degradative studies of nucleotides and coenzyms.

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