PJB-2022-536
STRESS CROSSTALK IN PLANTS- A REVIEW.
Neena Adichirattle
Abstract
Abiotic and biotic stress interactions can occur at multiple levels, depending on the type of the stress (osmotic, ionic), the lifestyle, and infection strategy of the pathogen (biotroph /necrotroph, infection by direct penetration/through stomata, etc.) as well as the pathogensis stage. Until now, scientists were mainly focused on plant responses to individual stress, but have only a few studies were conducted on the complex stress response generated in plants against combined or sequential abiotic stresses, as well as their interaction with each other. Considering the present food needs by the world population, elucidating the regulatory networks operative between various abiotic stresses in agronomically important crops will definitely contribute towards designing strategies for the development of plants with tolerance to multiple stress combinations. In some cases it is noted that one stress can mask the effect of another stress, which in turn helps in the production of some stress tolerant varieties of plants. This review provides a brief overview of the recent studies in the interactive effects of combined and sequentially occurring stresses on crop plants. We assume that this study may ameliorate our understanding and helps to sort out the mechanism of combined stress tolerance in plants, and may also provide a promising result for agronomists, physiologists, as well as molecular biologists.
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