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Abscisic Acid (ABA)
Abscisic acid (ABA) is a significant regulator of numerous flexible traits of plant developmental improvements, including embryo maturation, germination, seed dormancy, floral initiation, and root growth.
1. IntroductionAbscisic acid (ABA) is a plant hormone that helps plants respond to drought. Drought-responsive genes may be divided into two categories based on their ABA response: ABA-dependent and ABA-independent genes . Even though numerous drought-responsive genes are engaged in the ABA signaling system, most drought-induced genes do not react to ABA treatment, indicating the presence of ABA-independent drought-response pathways . Numerous genes are involved in response to drought and salinity stress; under such conditions, tolerance is triggered by osmotic stress, which liberates ABA . ABA-dependent and -independent mechanisms control osmotic stress-responsive gene expression . Plants’ stress response systems, for example, comprise both ABA-dependent and ABA-independent activities. DREB2A/2B, AREB1, RD22BP1, and MYC/MYB are the TFs that interact with their corresponding cis-acting elements, DRE/CRT, ABRE, and MYCRS/MYBRS, respectively, to regulate the ABA-responsive gene expression .
2. TFs Regulatory Network in Response to Drought and Salinity Stress
The entry is from 10.3390/biom11081159
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