Multifarious Role of ROS in Halophytes: Signaling and Defense

  • G. C. Nikalje
  • S. J. Mirajkar
  • T. D. Nikam
  • P. Suprasanna


Halophytes are the native flora of saline soil. They are well adapted to saline soils and get benefit from salt ions. This ability makes them a potential candidates for understanding physiological and biochemical mechanisms of salinity stress tolerance. Oxidative stress signaling and detoxification of reactive oxygen species (ROS) are both important components of salt tolerance mechanisms in these plants. The reactive oxygen species (ROS) play dual role in plant growth, development, and stress tolerance. The ROS are toxic by-products of cellular metabolism, but their key role in stress signaling and development is now emerging. Different biotic and abiotic stress conditions lead to overaccumulation of different kinds of ROS which cause oxidative damage and cell death. However, they also act as signaling molecules in various cellular and developmental processes. The balance, between production and scavenging of ROS by antioxidants, defines their positive or negative role in plant growth and development. In this article, ROS- production, scavenging systems (enzymatic and nonenzymatic), and their role in stress signaling and defense in halophytes have been discussed.


Halophytes ROS Antioxidants Salt stress Signaling 


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© Springer Nature Singapore Pte Ltd. 2018

Authors and Affiliations

  • G. C. Nikalje
    • 1
    • 2
  • S. J. Mirajkar
    • 3
  • T. D. Nikam
    • 4
  • P. Suprasanna
    • 2
  1. 1.Department of BotanyR. K. Talreja College of Arts, Science and CommerceUlhasnagar, ThaneIndia
  2. 2.Nuclear Agriculture and Biotechnology DivisionBhabha Atomic Research CentreMumbaiIndia
  3. 3.Department of Agricultural BotanyDr. Panjabrao Deshmukh Krishi VidyapithAkolaIndia
  4. 4.Department of BotanySavitribai Phule Pune UniversityPuneIndia

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