Abiotic Stress Research Glossary
564 terms total — 24 showing — Last updated 15 Sep 2026
Heat stress tolerance
The physiological capacity of plants to survive and maintain metabolic function under elevated temperature conditions that exceed optimal growth ranges. This involves activation of heat shock proteins and membrane stabilization mechanisms.
abiotic stress tolerance
The capacity of plants to withstand and maintain functionality under non-living environmental stressors. A multifaceted...
Abscisic acid (ABA)
A plant hormone that regulates stress responses, particularly by promoting stomatal closure and reducing water loss duri...
Abscisic acid (ABA) accumulation
The increased biosynthesis and cellular concentration of abscisic acid, a plant hormone that mediates stress-responsive...
Abscisic acid (ABA) signaling
The signal transduction pathway involving the plant hormone abscisic acid, which mediates stress responses including sto...
abscisic acid (ABA) signaling cascade
The intracellular signal transduction pathway triggered by abscisic acid hormones, involving receptor activation, second...
Abscisic acid (ABA) signaling pathway
The cascade of molecular events initiated by abscisic acid hormone binding to cellular receptors, which regulates multip...
abscisic acid accumulation
The increase in concentration of abscisic acid (ABA), a phytohormone that accumulates in plant tissues during abiotic st...
Abscisic Acid Accumulation Pathway
The biosynthetic and signaling cascade leading to increased abscisic acid concentration in plant tissues during abiotic...
Abscisic acid biosynthesis
The metabolic pathway involving the sequential enzymatic conversion of carotenoid precursors to abscisic acid (ABA) thro...
Abscisic Acid Sensitivity
The responsiveness of plant tissues and cells to abscisic acid (ABA) signaling, determining the magnitude and speed of p...
Abscisic Acid Sensitivity Threshold
The minimum concentration of abscisic acid required to trigger stress-responsive physiological changes in plant cells or...
Abscisic acid signal transduction cascade
The sequential molecular signaling pathway initiated by abscisic acid (ABA) hormone binding to cell surface receptors, t...
Abscisic acid signaling
The biochemical cascade initiated by the plant hormone abscisic acid that regulates stress responses, including stomatal...
abscisic acid signaling cascade
The intracellular signal transduction pathway initiated by abscisic acid (ABA) binding to its receptors, triggering down...
Abscisic Acid Signaling Intensity
The magnitude and speed of cellular responses to abscisic acid (ABA) signaling cascades during abiotic stress, measured...
Abscisic acid signaling pathway
The cascade of molecular events initiated by abscisic acid (ABA) binding to receptors, triggering gene expression and ph...
abscisic acid signaling threshold
The minimum level of abscisic acid (ABA) concentration required to trigger downstream physiological responses in plant t...
Abscisic acid-dependent signaling
The hormone-mediated intracellular communication pathway activated by abscisic acid that triggers adaptive responses to...
Abscisic acid-mediated signaling cascade
The multi-step intracellular pathway activated by abscisic acid (ABA) binding to receptor proteins, triggering phosphory...
acclimatization
The process by which plants gradually adjust their physiological and biochemical responses to new environmental conditio...
Accumulation of compatible solutes
The cellular synthesis and sequestration of organic compounds such as proline, glycine betaine, sorbitol, and mannitol t...
Accumulative stress tolerance threshold
The maximum cumulative physiological burden or combined stress intensity that a plant can withstand before experiencing...
Allele-Specific Expression
Differential expression levels of different allelic variants at a single locus, often in response to environmental stres...
Allelopathic stress signaling
The biochemical communication pathway triggered when plants encounter allelopathic compounds from competing plants, resu...