Effects of stress-induced ABA on root architecture development: Positive and negative actions

Zhenning Teng, Jiahan Lyu, Yinke Chen, Jianhua Zhang*, Nenghui Ye*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

6 Citations (Scopus)

Abstract

Root architecture development, an agronomic trait that influences crop yield, is regulated by multiple plant hormones. Abscisic acid (ABA) is a stress hormone that responds to multiple stresses, including salt, drought, and cold stress, and modulates various aspects of plant growth and development. In recent years, it has been found that ABA synthesized under mild stress or well-watered conditions can support plant growth and stress resistance by positively regulating root architecture development. In this review, we summarize the molecular, cellular, and organismal basis of ABA homeostasis in the root and how ABA signaling affects root architecture development both as an inhibitor and as an activator. We discuss the implications of these studies and the potential for exploiting the components of ABA signaling in designing crop plants with improved root system development and stress resistance.

Original languageEnglish
Pages (from-to)1072-1079
Number of pages8
JournalCrop Journal
Volume11
Issue number4
DOIs
Publication statusPublished - Aug 2023

Scopus Subject Areas

  • Agronomy and Crop Science
  • Plant Science

User-Defined Keywords

  • Abscisic acid
  • Growth and development
  • Homeostasis
  • Roots

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