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- Title
Interactions of Polyamines and Phytohormones in Plant Response to Abiotic Stress.
- Authors
Napieraj, Natalia; Janicka, Małgorzata; Reda, Małgorzata
- Abstract
Numerous environmental conditions negatively affect plant production. Abiotic stresses, such as salinity, drought, temperature, and heavy metals, cause damage at the physiological, biochemical, and molecular level, and limit plant growth, development, and survival. Studies have indicated that small amine compounds, polyamines (PAs), play a key role in plant tolerance to various abiotic stresses. Pharmacological and molecular studies, as well as research using genetic and transgenic approaches, have revealed the favorable effects of PAs on growth, ion homeostasis, water maintenance, photosynthesis, reactive oxygen species (ROS) accumulation, and antioxidant systems in many plant species under abiotic stress. PAs display a multitrack action: regulating the expression of stress response genes and the activity of ion channels; improving the stability of membranes, DNA, and other biomolecules; and interacting with signaling molecules and plant hormones. In recent years the number of reports indicating crosstalk between PAs and phytohormones in plant response to abiotic stresses has increased. Interestingly, some plant hormones, previously known as plant growth regulators, can also participate in plant response to abiotic stresses. Therefore, the main goal of this review is to summarize the most significant results that represent the interactions between PAs and plant hormones, such as abscisic acid, brassinosteroids, ethylene, jasmonates, and gibberellins, in plants under abiotic stress. The future perspectives for research focusing on the crosstalk between PAs and plant hormones were also discussed.
- Subjects
ABIOTIC stress; PLANT hormones; PLANT regulators; ION channels; POLYAMINES; ABSCISIC acid; DROUGHT tolerance; REACTIVE oxygen species
- Publication
Plants (2223-7747), 2023, Vol 12, Issue 5, p1159
- ISSN
2223-7747
- Publication type
Article
- DOI
10.3390/plants12051159