Regulation of Gene Expression in Response to Abiotic Stress in Plants

Abstract

The multiple adverse conditions but not necessarily lethal, that occur sporadically as either permanently in a location that plants grow are known as stress. Stress is usually defined as an external factor that carries a disadvantageous influence on the plant, limiting their development and their chances of survival. The concept of stress is intimately related to stress tolerance, which is the plant's ability to confront an unfavorable environment. Stress is, in most definitions, considered as a significant deviation from the optimal conditions for life, and induces to changes and responses in all functional levels of the organism, which are reversible in principle, but may become permanent.