Summary
Ageing slices of artichoke tuber or carrot root produced a substance, characterised as a protein, which when added to freshly cut slices inhibited invertase development. For maximum effect, it was necessary to expose the tissue to inhibitor immediately on excision, and this resulted in a slower rate of enzyme production and a lower final level. We suggest that there is an interaction between gibberellin, whose production is initiated by wounding, and the inhibitor. Bacterial infection was not the cause of the results obtained.
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Bradshaw, M.J., Chapman, J.M. & Edelman, J. Enzyme formation in higher plant tissue. Planta 90, 323–332 (1970). https://doi.org/10.1007/BF00386384
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DOI: https://doi.org/10.1007/BF00386384