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Science 10 November 1967:
Vol. 158. no. 3802, pp. 791 - 793
DOI: 10.1126/science.158.3802.791
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Articles

Induction of Coiling in Tendrils by Auxin and Carbon Dioxide

Leonora Reinhold 1

1 Division of Natural Sciences, University of California, Santa Cruz

Symmetric application of indole-3-acetic acid, CO2, or, to a lesser extent, ethylene can substitute for the contact stimulus in inducing coiling in the tendrils of Marah fabaceus. In the case of auxin, treatment of the apical few millimeters results in strong, permanent coiling throughout the length of the tendril. The speed of the response to CO2 is comparable to that to tactile stimuli. A possible mechanism for thigmotropism is outlined.


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
ACC Synthase Genes are Polymorphic in Watermelon (Citrullus spp.) and Differentially Expressed in Flowers and in Response to Auxin and Gibberellin.
A. Salman-Minkov, A. Levi, S. Wolf, and T. Trebitsh (2008)
Plant Cell Physiol. 49, 740-750
   Abstract »    Full Text »    PDF »
Ethylene Stimulates Nutations That Are Dependent on the ETR1 Receptor.
B. M. Binder, R. C. O'Malley, W. Wang, T. C. Zutz, and A. B. Bleecker (2006)
Plant Physiology 142, 1690-1700
   Abstract »    Full Text »    PDF »


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Science. ISSN 0036-8075 (print), 1095-9203 (online)