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Plant Physiology 49:24-27 (1972)
© 1972 American Society of Plant Biologists

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Articles

Auxin-induced Conjugation Systems in Peas

M. A. Venis1

a Research Institute, Research Branch, Canada Agriculture University Sub Post Office, London 72, Ontario, Canada

Pretreatment of pea (Pisum sativum var. Alaska) sections with any active auxin induces an enzyme which forms aspartate conjugates of exogenously supplied indoleacetic acid, naphthaleneacetic acid, or benzoic acid. Whereas induction of this system is an absolutely auxin-specific process, another enzyme, which forms benzoylmalic acid, is induced both by auxins and by physiologically inactive aromatic carboxylic acids. Induction of both enzymes is abolished by low levels of RNA and protein synthesis inhibitors. The induction specificities and other characteristics of the two systems are compared.

1 Present address: Shell Research Ltd., Biochemistry Division, Sittingbourne, Kent, England.




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Copyright © 1972 by the American Society of Plant Biologists