Article
Nitrate Induction of Primary Root Growth Requires Cytokinin Signaling in Arabidopsis thaliana.
Plant & cell physiology - 1 Feb 2020
Naulin Pamela A, Armijo Grace I, Vega Andrea S, Tamayo Karem P, Gras Diana E, de la Cruz Javiera, Gutiérrez Rodrigo A
Abstract excerpt
Nitrate can act as a potent signal to control growth and development in plants. In this study, we show that nitrate is able to stimulate primary root growth via increased meristem activity and cytokinin signaling. Cytokinin perception and biosynthesis mutants displayed shorter roots as compared with wild-type plants when grown with nitrate as the only nitrogen source. Histological analysis of the root tip...
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