The role of hormones in plant stress: The old and new players

Abstract

To adapt to fluctuations in light intensity, temperatures, and water/nutrient availability, plants have to dynamically and flexibly adjust their metabolism and growth processes. Specifically, hormone synthesis and signal transduction promptly respond to environmental stimuli. Understanding the mechanisms by which plants adapt to their environment is a hot spot of plant biology research. In this editorial, we provide a summary of recent advances in the roles and underlying mechanisms of abscisic acid (ABA) in coping with various stresses. Additionally, we highlight the functions of newly discovered hormones such as strigolactone. Furthermore, we emphasize future research directions aimed at gaining a deeper understanding of how plants maintain cellular homeostasis with the goal of improving crop yield in the background of global change.

Keywords

• Abscisic acid
• Environment adaptation
• Hormones
• Plant resilience
• Reactive oxygen species
• Strigolactone