Letter | Published:

Auxin-induced Elimination of a Protein in Bean Hypocotyl

Naturevolume 214pages319320 (1967) | Download Citation



IT has been reported that electrophoretic protein patterns of hypocotyledonary hooks of bean (Phaseolus vulgaris, L., var. ‘Burpee's Stringless Greenpod’) were altered when the extracted proteins were incubated with the auxin indolyl-3-acetic acid (IAA)1. The alteration consisted of the complete elimination of one protein band. It seemed useful to determine whether this elimination of a protein could occur in vivo in tissue segments treated with IAA.

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  1. 1

    Spelsberg, T. C., Esposito, V. M., and Sarkissian, I. V., Plant Physiol. suppl., 40, 61 (1965).

  2. 2

    Cleland, R., Handbuch der Pflanzer Physiology (Springer Verlag, Berlin, 754–83 (1961).

  3. 3

    Purves, W. K., and Galston, A. W., Amer. J. Bot., 47, 665 (1960).

  4. 4

    Ockerse, R., Siegel, B. Z., and Glaston, A. W., Science, 151, 452 (1966).

  5. 5

    Siegel, S. M., and Galston, A. W., Proc. U.S. Nat. Acad. Sci., 39, 1111 (1953).

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  1. T. C. SPELSBERG: Pre-doctoral National Defense Education Act Fellow in genetics.


  1. Department of Agronomy and Genetics, West Virginia University, Morgantown

    •  & T. C. SPELSBERG


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