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Plant Cell Reports

, Volume 32, Issue 7, pp 971–983 | Cite as

The root of ABA action in environmental stress response

  • Jing Han Hong
  • Seng Wee Seah
  • Jian XuEmail author
Review

Abstract

The growth and development of plants are influenced by the integration of diverse endogenous and environmental signals. Acting as a mediator of extrinsic signals, the stress hormone, abscisic acid (ABA), has been shown to regulate many aspects of plant development in response to unfavourable environmental stresses, allowing the plant to cope and survive in adverse conditions, such as drought, low or high temperature, or high salinity. Here, we summarize recent evidence on the roles of ABA in environmental stress responses in the Arabidopsis root; and on how ABA crosstalks with other phytohormones to modulate root development and growth in Arabidopsis. We also review literature findings showing that, in response to environmental stresses, ABA affects the root system architecture in other plant species, such as rice.

Keywords

ABA Auxin Development Environmental stresses Hormonal interactions Root 

Notes

Acknowledgments

We apologize to colleagues whose works could not be cited due to space constraints. This work is supported by the National Research Foundation Singapore under its Competitive Research Programme (CRP Award No. NRF2010NRF-CRP002-018; J. Xu), National University of Singapore Young Investigator Award (J. Xu) and Ministry of Education of Singapore Academic Research Fund (Tier 2; MOE2012-T2-1-157; J. Xu), National University of Singapore President’s Graduate Fellowship (J.H. Hong) and National University of Singapore research scholarship (S.W. Seah).

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  1. 1.Department of Biological Sciences and NUS Centre for BioImaging SciencesNational University of SingaporeSingaporeSingapore

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