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Keywords:

  • apoptosis;
  • bananas;
  • glycerides;
  • glycosides;
  • tetrapyrroles
Thumbnail image of graphical abstract

The typical degradation of chlorophyll in degreening leaves leads to catabolites that are colorless and difficult to detect. In their Communication on page 5174 ff., B. Kräutler and co-workers report that blue-fluorescent chlorophyll catabolites accumulate in yellowing banana leaves, which exhibit blue luminescence under UV light. These catabolites present new molecular in vivo probes for the study of senescence in plants.