Inhibition of RNA Synthesis and Auxin-Induced Cell Wall Extensibility and Growth by Actinomycin D
Open Access
- 1 March 1967
- journal article
- research article
- Published by Oxford University Press (OUP) in Plant Physiology
- Vol. 42 (3), 434-439
- https://doi.org/10.1104/pp.42.3.434
Abstract
A linear stress strain analyzer was used to determine the effects of inhibitors of RNA and protein synthesis on auxin-induced increases in cell wall extensibility. With etiolated soybean hypocotyl, maize mesocotyl and Avena coleoptile sections and light-grown pea internode sections, inhibition of RNA synthesis resulted in inhibition of auxin-induced extensibility changes and cell expansion. The results with both actinomycin D and cycloheximide support an earlier conclusion that unstable cell constituents, presumably enzymes, are essential for cell wall loosening induced by auxin as well as for cell elongation.This publication has 9 references indexed in Scilit:
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