Article Info 제29권 1호 강원 농업생명환경연구 Vol.29, No.1, pp.18-34, 2017
Title Plant Defense Response to Abiotic Stress via Abscisic Acid Signaling Pathway
Author Lee, S. C.*
Institutions Dept. of Life Science, College of Natural Sciences, Chung-Ang University, Seoul 06974, Korea 
Abstract Plants are exposed to stresses such as pathogens, drought, high salt and temperature stress, and
have evolved and developed diverse and sophisticated defense mechanisms to protect themselves
from these stresses. Many hormones are involved in the metabolism of plants and some are known
to affect the control of plant defense mechanisms against pathogen infection and environmental
stress. In biotic and abiotic stress responses, abscisic acid (ABA) regulates key metabolic
pathways. In abiotic stress conditions, plants induce ABA biosynthesis, which activate defense
response at the cellular level, such as expression of stress-related genes and stomatal closure.
Moreover, the molecular components related to ABA signal transduction have been identified and
complex networks of interactions are being analyzed in detail. In this review, I will describe the
ABA signal transduction pathway from the ABA receptor to the ion channel and provide basic
information on the current understanding of the plant defense response to abiotic stress via the
ABA signal transduction pathway.
Keyword ABA, Drought stress, Kinase, Phosphatase, Stomata
02_이성철_[18-34].pdf