Inhibition of Polar Auxin Transport by Ethylene | Zendy

Stanley P. Burg | Zendy; Ellen A. Burg | Zendy

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Inhibition of Polar Auxin Transport by Ethylene

Author(s) -

Stanley P. Burg,

Ellen A. Burg

Publication year - 1967

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.42.9.1224

Subject(s) - auxin , etiolation , ethylene , polar auxin transport , polar , chemistry , biophysics , botany , biochemistry , biology , physics , arabidopsis , catalysis , enzyme , astronomy , mutant , gene

Applied ethylene influences the growth of etiolated pea stem sections cut from untreated plants, but has no effect on (14)C-indoleacetic acid uptake, polar transport or destruction. However, the capacity of the polar auxin transport system is markedly reduced in sections cut from plants grown in ethylene, while the velocity of auxin transport is unchanged under these conditions. Inhibition of the polar transport system by ethylene could underlie certain responses in which the gas produces symptoms of auxin deficiency.

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