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- Title
The Role of Hydroxycinnamic Acid Amide Pathway in Plant Immunity.
- Authors
Liu, Saifei; Jiang, Jincheng; Ma, Zihui; Xiao, Muye; Yang, Lan; Tian, Binnian; Yu, Yang; Bi, Chaowei; Fang, Anfei; Yang, Yuheng
- Abstract
The compounds involved in the hydroxycinnamic acid amide (HCAA) pathway are an important class of metabolites in plants. Extensive studies have reported that a variety of plant hydroxycinnamamides exhibit pivotal roles in plant–pathogen interactions, such as p -coumaroylagmatine and ferulic acid. The aim of this review is to discuss the emerging findings on the functions of hydroxycinnamic acid amides (HCAAs) accumulation associated with plant defenses against plant pathologies, antimicrobial activity of HCAAs, and the mechanism of HCAAs involved in plant immune responses (such as reactive oxygen species (ROS), cell wall response, plant defense hormones, and stomatal immunity). However, these advances have also revealed the complexity of HCAAs participation in plant defense reactions, and many mysteries remain to be revealed. This review provides an overview of the mechanistic and conceptual insights obtained so far and highlights areas for future exploration of phytochemical defense metabolites.
- Subjects
HYDROXYCINNAMIC acids; DISEASE resistance of plants; AMIDES; PLANT defenses; PLANT-pathogen relationships
- Publication
Frontiers in Plant Science, 2022, Vol 13, p1
- ISSN
1664-462X
- Publication type
Article
- DOI
10.3389/fpls.2022.922119