Abstract
RECENT work in this Laboratory1 has shown that succinic acid may not only inhibit oxidative processes, as shown by earlier workers2, but also it may be actually toxic to plant material. Succinate supplied to respiring disks of apple peel (in a suitable buffer system at pH 4.1) at concentrations greater than about 0.025 M reduces oxygen uptake and carbon dioxide output, and in a comparatively short time the respiration falls practically to zero and the tissue becomes brown and ‘dead’. At this external concentration of succinate the internal concentration is less than 0.001 M.
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References
Hulme, A. C., and Neal, G. E. (in preparation).
Turner, J. S., and Hanly, V. F., New Phytol., 48, 149 (1949).
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HULME, A. Carbon Dioxide Injury and the Presence of Succinic Acid in Apples. Nature 178, 218–219 (1956). https://doi.org/10.1038/178218b0
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DOI: https://doi.org/10.1038/178218b0
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