Letter | Published:

Phenol Oxidase Activity and Flooding Tolerance in Higher Plants

Naturevolume 214pages427428 (1967) | Download Citation



ONSLOW'S1 investigation of the distribution of phenol oxidases in plants showed that they were widespread in their occurrence, but not universal, being found in 63 per cent of the plants examined. Although it has been shown that the activity of these enzymes increases with age in the tissues that contain them2 and that they may be linked with lignin synthesis3, it has not been possible to relate their presence or absence to any aspect of the physiology, phylogeny or ecology of the plants concerned.

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  1. 1

    Onslow, M. W., The Principles of Plant Biochemistry (Cambridge, 1931).

  2. 2

    Kursanov, A. L., and Kryukova, N. N., Biokhimya, 12, 69 (1947).

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    Siegel, S. M., Physiol. Plant., 6, 134 (1953).

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    Crawford, R. M. M., J. Ecol., 54, 403 (1966).

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    Goddard, D. R., and Bonner, W. D., Plant Physiology, 1A, edit. by Steward, F. C. (New York, 1960).

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    Murphy, J. B., and Kies, M. M., Biochim. Biophys. Acta, 45, 382 (1960).

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    Liebermann, M., and Biale, J. B., Plant Physiol., 31, 425 (1956).

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  1. Department of Botany, University of St. Andrews

    • R. M. M. CRAWFORD


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