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. 2018;13(9):e1500069.
doi: 10.1080/15592324.2018.1500069. Epub 2018 Aug 6.

Mechanisms for Abscisic Acid Inhibition of Primary Root Growth

Li Rong Sun  1 , Yi Bin Wang  1 , Shi Bin He  1 , Fu Shun Hao  1
Affiliations

Mechanisms for Abscisic Acid Inhibition of Primary Root Growth

Li Rong Sun et al. Plant Signal Behav. 2018.

Abstract

Abscisic acid (ABA) plays pivotal roles in plant growth and development and in responses to diverse stresses. It also modulates the growth of primary and lateral roots. Much evidence indicated that key cellular components auxin, ethylene, PLETHs, reactive oxygen species and Ca2+ are involved in the regulation of ABA suppression of root elongation. In this review, we summary the molecular mechanism for ABA inhibiting primary root growth, focusing on the roles of these components in Arabidopsis.

Keywords: Abscisic acid; Ca2+; PLETHs; auxin; ethylene; primary root growth; reactive oxygen species.

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This work was supported by the National Natural Science Foundation of China [31070239];National Natural Science Foundation of China [30970235];Program for young backbone teachers in universities of Henan Province [2016GGJS-024].
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